[ 1525.719808][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1525.720464][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1525.720464][   T10]      dst_init+0x84/0x4a0
[ 1525.720464][   T10]      dst_alloc+0x97/0x150
[ 1525.720464][   T10]      ip6_dst_alloc+0x23/0x90
[ 1525.720464][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1525.720464][   T10]      ip6_pol_route+0x56f/0x840
[ 1525.720464][   T10]      fib6_rule_lookup+0x456/0x630
[ 1525.720464][   T10]      ip6_route_input+0x59c/0xa50
[ 1525.720464][   T10]      ipv6_rcv+0x397/0x810
[ 1525.720464][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1525.720464][   T10]      process_backlog+0x101/0x620
[ 1525.720464][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1525.720464][   T10]      net_rx_action+0x495/0xbe0
[ 1525.720464][   T10]      __do_softirq+0x1b5/0x7f6
[ 1525.720464][   T10] 
[ 1525.722745][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1525.722745][   T10]      netdev_get_by_index+0x5e/0x80
[ 1525.722745][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1525.722745][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1525.722745][   T10]      ip6_route_add+0x1c/0x140
[ 1525.722745][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1525.722745][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1525.722745][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1525.722745][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1525.722745][   T10]      netlink_rcv_skb+0x130/0x360
[ 1525.722745][   T10]      netlink_unicast+0x449/0x710
[ 1525.722745][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1525.722745][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1525.722745][   T10]      ___sys_sendmsg+0xee/0x170
[ 1525.722745][   T10]      __sys_sendmsg+0xcd/0x170
[ 1525.722745][   T10]      do_syscall_64+0xc6/0x1e0
[ 1525.722745][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1525.722745][   T10] 
[ 1525.725041][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1525.725041][   T10]      netdev_get_by_index+0x5e/0x80
[ 1525.725041][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1525.725041][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1525.725041][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1525.725041][   T10]      ipv6_add_addr+0x411/0x2000
[ 1525.725041][   T10]      inet6_addr_add+0x30e/0xa40
[ 1525.725041][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1525.725041][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1525.725041][   T10]      netlink_rcv_skb+0x130/0x360
[ 1525.725041][   T10]      netlink_unicast+0x449/0x710
[ 1525.725041][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1525.725041][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1525.725041][   T10]      ___sys_sendmsg+0xee/0x170
[ 1525.725041][   T10]      __sys_sendmsg+0xcd/0x170
[ 1525.725041][   T10]      do_syscall_64+0xc6/0x1e0
[ 1525.725041][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1525.725041][   T10] 
[ 1525.727307][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1525.727307][   T10]      netdev_get_by_index+0x5e/0x80
[ 1525.727307][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1525.727307][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1525.727307][   T10]      ip6_route_add+0x1c/0x140
[ 1525.727307][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1525.727307][   T10]      addrconf_add_dev+0xe2/0x170
[ 1525.727307][   T10]      inet6_addr_add+0x12f/0xa40
[ 1525.727307][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1525.727307][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1525.727307][   T10]      netlink_rcv_skb+0x130/0x360
[ 1525.727307][   T10]      netlink_unicast+0x449/0x710
[ 1525.727307][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1525.727307][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1525.727307][   T10]      ___sys_sendmsg+0xee/0x170
[ 1525.727307][   T10]      __sys_sendmsg+0xcd/0x170
[ 1525.727307][   T10]      do_syscall_64+0xc6/0x1e0
[ 1525.727307][   T10] 
[ 1525.729497][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1525.729497][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1525.729497][   T10]      ipv6_find_idev+0x102/0x170
[ 1525.729497][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1525.729497][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1525.729497][   T10]      netlink_rcv_skb+0x130/0x360
[ 1525.729497][   T10]      netlink_unicast+0x449/0x710
[ 1525.729497][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1525.729497][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1525.729497][   T10]      ___sys_sendmsg+0xee/0x170
[ 1525.729497][   T10]      __sys_sendmsg+0xcd/0x170
[ 1525.729497][   T10]      do_syscall_64+0xc6/0x1e0
[ 1525.729497][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1525.729497][   T10] 
[ 1525.731228][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1525.731228][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1525.731228][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1525.731228][   T10]      ipv6_find_idev+0x102/0x170
[ 1525.731228][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1525.731228][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1525.731228][   T10]      netlink_rcv_skb+0x130/0x360
[ 1525.731228][   T10]      netlink_unicast+0x449/0x710
[ 1525.731228][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1525.731228][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1525.731228][   T10]      ___sys_sendmsg+0xee/0x170
[ 1525.731228][   T10]      __sys_sendmsg+0xcd/0x170
[ 1525.731228][   T10]      do_syscall_64+0xc6/0x1e0
[ 1525.731228][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1525.731228][   T10] 
[ 1525.733135][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1525.733402][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1525.733402][   T10]      netdev_get_by_index+0x5e/0x80
[ 1525.733402][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1525.733402][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1525.733402][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1525.733402][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1525.733402][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1525.733402][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1525.733402][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1525.733402][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1525.733402][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1525.733402][   T10]      vfs_write+0x9e5/0x10a0
[ 1525.733402][   T10]      ksys_write+0xf5/0x1e0
[ 1525.733402][   T10]      do_syscall_64+0xc6/0x1e0
[ 1525.733402][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1525.733402][   T10] 
[ 1525.735444][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1525.735444][   T10]      netdev_get_by_index+0x5e/0x80
[ 1525.735444][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1525.735444][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1525.735444][   T10]      ip6_route_add+0x1c/0x140
[ 1525.735444][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1525.735444][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1525.735444][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1525.735444][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1525.735444][   T10]      netlink_rcv_skb+0x130/0x360
[ 1525.735444][   T10]      netlink_unicast+0x449/0x710
[ 1525.735444][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1525.735444][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1525.735444][   T10]      ___sys_sendmsg+0xee/0x170
[ 1525.735444][   T10]      __sys_sendmsg+0xcd/0x170
[ 1525.735444][   T10]      do_syscall_64+0xc6/0x1e0
[ 1525.735444][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1525.735444][   T10] 
[ 1525.737677][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1525.737677][   T10]      netdev_get_by_index+0x5e/0x80
[ 1525.737677][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1525.737677][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1525.737677][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1525.737677][   T10]      ipv6_add_addr+0x411/0x2000
[ 1525.737677][   T10]      inet6_addr_add+0x30e/0xa40
[ 1525.737677][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1525.737677][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1525.737677][   T10]      netlink_rcv_skb+0x130/0x360
[ 1525.737677][   T10]      netlink_unicast+0x449/0x710
[ 1525.737677][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1525.737677][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1525.737677][   T10]      ___sys_sendmsg+0xee/0x170
[ 1525.737677][   T10]      __sys_sendmsg+0xcd/0x170
[ 1525.737677][   T10]      do_syscall_64+0xc6/0x1e0
[ 1525.737677][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1525.737677][   T10] 
[ 1525.739911][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1525.739911][   T10]      netdev_get_by_index+0x5e/0x80
[ 1525.739911][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1525.739911][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1525.739911][   T10]      ip6_route_add+0x1c/0x140
[ 1525.739911][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1525.739911][   T10]      addrconf_add_dev+0xe2/0x170
[ 1525.739911][   T10]      inet6_addr_add+0x12f/0xa40
[ 1525.739911][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1525.739911][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1525.739911][   T10]      netlink_rcv_skb+0x130/0x360
[ 1525.739911][   T10]      netlink_unicast+0x449/0x710
[ 1525.739911][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1525.739911][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1525.739911][   T10]      ___sys_sendmsg+0xee/0x170
[ 1525.739911][   T10]      __sys_sendmsg+0xcd/0x170
[ 1525.739911][   T10]      do_syscall_64+0xc6/0x1e0
[ 1525.739911][   T10] 
[ 1525.742106][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1525.742106][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1525.742106][   T10]      ipv6_find_idev+0x102/0x170
[ 1525.742106][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1525.742106][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1525.742106][   T10]      netlink_rcv_skb+0x130/0x360
[ 1525.742106][   T10]      netlink_unicast+0x449/0x710
[ 1525.742106][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1525.742106][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1525.742106][   T10]      ___sys_sendmsg+0xee/0x170
[ 1525.742106][   T10]      __sys_sendmsg+0xcd/0x170
[ 1525.742106][   T10]      do_syscall_64+0xc6/0x1e0
[ 1525.742106][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1525.742106][   T10] 
[ 1525.743820][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1525.743820][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1525.743820][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1525.743820][   T10]      ipv6_find_idev+0x102/0x170
[ 1525.743820][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1525.743820][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1525.743820][   T10]      netlink_rcv_skb+0x130/0x360
[ 1525.743820][   T10]      netlink_unicast+0x449/0x710
[ 1525.743820][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1525.743820][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1525.743820][   T10]      ___sys_sendmsg+0xee/0x170
[ 1525.743820][   T10]      __sys_sendmsg+0xcd/0x170
[ 1525.743820][   T10]      do_syscall_64+0xc6/0x1e0
[ 1525.743820][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1525.743820][   T10] 
[ 1535.959823][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1535.960338][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1535.960338][   T10]      dst_init+0x84/0x4a0
[ 1535.960338][   T10]      dst_alloc+0x97/0x150
[ 1535.960338][   T10]      ip6_dst_alloc+0x23/0x90
[ 1535.960338][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1535.960338][   T10]      ip6_pol_route+0x56f/0x840
[ 1535.960338][   T10]      fib6_rule_lookup+0x456/0x630
[ 1535.960338][   T10]      ip6_route_input+0x59c/0xa50
[ 1535.960338][   T10]      ipv6_rcv+0x397/0x810
[ 1535.960338][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1535.960338][   T10]      process_backlog+0x101/0x620
[ 1535.960338][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1535.960338][   T10]      net_rx_action+0x495/0xbe0
[ 1535.960338][   T10]      __do_softirq+0x1b5/0x7f6
[ 1535.960338][   T10] 
[ 1535.962060][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1535.962060][   T10]      netdev_get_by_index+0x5e/0x80
[ 1535.962060][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1535.962060][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1535.962060][   T10]      ip6_route_add+0x1c/0x140
[ 1535.962060][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1535.962060][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1535.962060][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1535.962060][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1535.962060][   T10]      netlink_rcv_skb+0x130/0x360
[ 1535.962060][   T10]      netlink_unicast+0x449/0x710
[ 1535.962060][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1535.962060][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1535.962060][   T10]      ___sys_sendmsg+0xee/0x170
[ 1535.962060][   T10]      __sys_sendmsg+0xcd/0x170
[ 1535.962060][   T10]      do_syscall_64+0xc6/0x1e0
[ 1535.962060][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1535.962060][   T10] 
[ 1535.964100][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1535.964100][   T10]      netdev_get_by_index+0x5e/0x80
[ 1535.964100][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1535.964100][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1535.964100][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1535.964100][   T10]      ipv6_add_addr+0x411/0x2000
[ 1535.964100][   T10]      inet6_addr_add+0x30e/0xa40
[ 1535.964100][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1535.964100][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1535.964100][   T10]      netlink_rcv_skb+0x130/0x360
[ 1535.964100][   T10]      netlink_unicast+0x449/0x710
[ 1535.964100][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1535.964100][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1535.964100][   T10]      ___sys_sendmsg+0xee/0x170
[ 1535.964100][   T10]      __sys_sendmsg+0xcd/0x170
[ 1535.964100][   T10]      do_syscall_64+0xc6/0x1e0
[ 1535.964100][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1535.964100][   T10] 
[ 1535.966125][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1535.966125][   T10]      netdev_get_by_index+0x5e/0x80
[ 1535.966125][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1535.966125][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1535.966125][   T10]      ip6_route_add+0x1c/0x140
[ 1535.966125][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1535.966125][   T10]      addrconf_add_dev+0xe2/0x170
[ 1535.966125][   T10]      inet6_addr_add+0x12f/0xa40
[ 1535.966125][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1535.966125][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1535.966125][   T10]      netlink_rcv_skb+0x130/0x360
[ 1535.966125][   T10]      netlink_unicast+0x449/0x710
[ 1535.966125][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1535.966125][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1535.966125][   T10]      ___sys_sendmsg+0xee/0x170
[ 1535.966125][   T10]      __sys_sendmsg+0xcd/0x170
[ 1535.966125][   T10]      do_syscall_64+0xc6/0x1e0
[ 1535.966125][   T10] 
[ 1535.968143][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1535.968143][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1535.968143][   T10]      ipv6_find_idev+0x102/0x170
[ 1535.968143][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1535.968143][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1535.968143][   T10]      netlink_rcv_skb+0x130/0x360
[ 1535.968143][   T10]      netlink_unicast+0x449/0x710
[ 1535.968143][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1535.968143][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1535.968143][   T10]      ___sys_sendmsg+0xee/0x170
[ 1535.968143][   T10]      __sys_sendmsg+0xcd/0x170
[ 1535.968143][   T10]      do_syscall_64+0xc6/0x1e0
[ 1535.968143][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1535.968143][   T10] 
[ 1535.969697][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1535.969697][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1535.969697][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1535.969697][   T10]      ipv6_find_idev+0x102/0x170
[ 1535.969697][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1535.969697][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1535.969697][   T10]      netlink_rcv_skb+0x130/0x360
[ 1535.969697][   T10]      netlink_unicast+0x449/0x710
[ 1535.969697][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1535.969697][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1535.969697][   T10]      ___sys_sendmsg+0xee/0x170
[ 1535.969697][   T10]      __sys_sendmsg+0xcd/0x170
[ 1535.969697][   T10]      do_syscall_64+0xc6/0x1e0
[ 1535.969697][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1535.969697][   T10] 
[ 1535.971441][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1535.971720][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1535.971720][   T10]      netdev_get_by_index+0x5e/0x80
[ 1535.971720][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1535.971720][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1535.971720][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1535.971720][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1535.971720][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1535.971720][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1535.971720][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1535.971720][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1535.971720][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1535.971720][   T10]      vfs_write+0x9e5/0x10a0
[ 1535.971720][   T10]      ksys_write+0xf5/0x1e0
[ 1535.971720][   T10]      do_syscall_64+0xc6/0x1e0
[ 1535.971720][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1535.971720][   T10] 
[ 1535.973561][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1535.973561][   T10]      netdev_get_by_index+0x5e/0x80
[ 1535.973561][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1535.973561][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1535.973561][   T10]      ip6_route_add+0x1c/0x140
[ 1535.973561][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1535.973561][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1535.973561][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1535.973561][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1535.973561][   T10]      netlink_rcv_skb+0x130/0x360
[ 1535.973561][   T10]      netlink_unicast+0x449/0x710
[ 1535.973561][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1535.973561][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1535.973561][   T10]      ___sys_sendmsg+0xee/0x170
[ 1535.973561][   T10]      __sys_sendmsg+0xcd/0x170
[ 1535.973561][   T10]      do_syscall_64+0xc6/0x1e0
[ 1535.973561][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1535.973561][   T10] 
[ 1535.975583][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1535.975583][   T10]      netdev_get_by_index+0x5e/0x80
[ 1535.975583][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1535.975583][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1535.975583][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1535.975583][   T10]      ipv6_add_addr+0x411/0x2000
[ 1535.975583][   T10]      inet6_addr_add+0x30e/0xa40
[ 1535.975583][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1535.975583][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1535.975583][   T10]      netlink_rcv_skb+0x130/0x360
[ 1535.975583][   T10]      netlink_unicast+0x449/0x710
[ 1535.975583][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1535.975583][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1535.975583][   T10]      ___sys_sendmsg+0xee/0x170
[ 1535.975583][   T10]      __sys_sendmsg+0xcd/0x170
[ 1535.975583][   T10]      do_syscall_64+0xc6/0x1e0
[ 1535.975583][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1535.975583][   T10] 
[ 1535.977647][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1535.977647][   T10]      netdev_get_by_index+0x5e/0x80
[ 1535.977647][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1535.977647][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1535.977647][   T10]      ip6_route_add+0x1c/0x140
[ 1535.977647][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1535.977647][   T10]      addrconf_add_dev+0xe2/0x170
[ 1535.977647][   T10]      inet6_addr_add+0x12f/0xa40
[ 1535.977647][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1535.977647][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1535.977647][   T10]      netlink_rcv_skb+0x130/0x360
[ 1535.977647][   T10]      netlink_unicast+0x449/0x710
[ 1535.977647][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1535.977647][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1535.977647][   T10]      ___sys_sendmsg+0xee/0x170
[ 1535.977647][   T10]      __sys_sendmsg+0xcd/0x170
[ 1535.977647][   T10]      do_syscall_64+0xc6/0x1e0
[ 1535.977647][   T10] 
[ 1535.979639][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1535.979639][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1535.979639][   T10]      ipv6_find_idev+0x102/0x170
[ 1535.979639][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1535.979639][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1535.979639][   T10]      netlink_rcv_skb+0x130/0x360
[ 1535.979639][   T10]      netlink_unicast+0x449/0x710
[ 1535.979639][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1535.979639][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1535.979639][   T10]      ___sys_sendmsg+0xee/0x170
[ 1535.979639][   T10]      __sys_sendmsg+0xcd/0x170
[ 1535.979639][   T10]      do_syscall_64+0xc6/0x1e0
[ 1535.979639][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1535.979639][   T10] 
[ 1535.981199][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1535.981199][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1535.981199][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1535.981199][   T10]      ipv6_find_idev+0x102/0x170
[ 1535.981199][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1535.981199][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1535.981199][   T10]      netlink_rcv_skb+0x130/0x360
[ 1535.981199][   T10]      netlink_unicast+0x449/0x710
[ 1535.981199][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1535.981199][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1535.981199][   T10]      ___sys_sendmsg+0xee/0x170
[ 1535.981199][   T10]      __sys_sendmsg+0xcd/0x170
[ 1535.981199][   T10]      do_syscall_64+0xc6/0x1e0
[ 1535.981199][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1535.981199][   T10] 
[ 1546.223817][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1546.224319][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1546.224319][   T10]      dst_init+0x84/0x4a0
[ 1546.224319][   T10]      dst_alloc+0x97/0x150
[ 1546.224319][   T10]      ip6_dst_alloc+0x23/0x90
[ 1546.224319][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1546.224319][   T10]      ip6_pol_route+0x56f/0x840
[ 1546.224319][   T10]      fib6_rule_lookup+0x456/0x630
[ 1546.224319][   T10]      ip6_route_input+0x59c/0xa50
[ 1546.224319][   T10]      ipv6_rcv+0x397/0x810
[ 1546.224319][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1546.224319][   T10]      process_backlog+0x101/0x620
[ 1546.224319][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1546.224319][   T10]      net_rx_action+0x495/0xbe0
[ 1546.224319][   T10]      __do_softirq+0x1b5/0x7f6
[ 1546.224319][   T10] 
[ 1546.226025][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1546.226025][   T10]      netdev_get_by_index+0x5e/0x80
[ 1546.226025][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1546.226025][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1546.226025][   T10]      ip6_route_add+0x1c/0x140
[ 1546.226025][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1546.226025][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1546.226025][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1546.226025][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1546.226025][   T10]      netlink_rcv_skb+0x130/0x360
[ 1546.226025][   T10]      netlink_unicast+0x449/0x710
[ 1546.226025][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1546.226025][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1546.226025][   T10]      ___sys_sendmsg+0xee/0x170
[ 1546.226025][   T10]      __sys_sendmsg+0xcd/0x170
[ 1546.226025][   T10]      do_syscall_64+0xc6/0x1e0
[ 1546.226025][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1546.226025][   T10] 
[ 1546.228087][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1546.228087][   T10]      netdev_get_by_index+0x5e/0x80
[ 1546.228087][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1546.228087][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1546.228087][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1546.228087][   T10]      ipv6_add_addr+0x411/0x2000
[ 1546.228087][   T10]      inet6_addr_add+0x30e/0xa40
[ 1546.228087][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1546.228087][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1546.228087][   T10]      netlink_rcv_skb+0x130/0x360
[ 1546.228087][   T10]      netlink_unicast+0x449/0x710
[ 1546.228087][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1546.228087][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1546.228087][   T10]      ___sys_sendmsg+0xee/0x170
[ 1546.228087][   T10]      __sys_sendmsg+0xcd/0x170
[ 1546.228087][   T10]      do_syscall_64+0xc6/0x1e0
[ 1546.228087][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1546.228087][   T10] 
[ 1546.230118][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1546.230118][   T10]      netdev_get_by_index+0x5e/0x80
[ 1546.230118][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1546.230118][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1546.230118][   T10]      ip6_route_add+0x1c/0x140
[ 1546.230118][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1546.230118][   T10]      addrconf_add_dev+0xe2/0x170
[ 1546.230118][   T10]      inet6_addr_add+0x12f/0xa40
[ 1546.230118][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1546.230118][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1546.230118][   T10]      netlink_rcv_skb+0x130/0x360
[ 1546.230118][   T10]      netlink_unicast+0x449/0x710
[ 1546.230118][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1546.230118][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1546.230118][   T10]      ___sys_sendmsg+0xee/0x170
[ 1546.230118][   T10]      __sys_sendmsg+0xcd/0x170
[ 1546.230118][   T10]      do_syscall_64+0xc6/0x1e0
[ 1546.230118][   T10] 
[ 1546.232124][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1546.232124][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1546.232124][   T10]      ipv6_find_idev+0x102/0x170
[ 1546.232124][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1546.232124][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1546.232124][   T10]      netlink_rcv_skb+0x130/0x360
[ 1546.232124][   T10]      netlink_unicast+0x449/0x710
[ 1546.232124][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1546.232124][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1546.232124][   T10]      ___sys_sendmsg+0xee/0x170
[ 1546.232124][   T10]      __sys_sendmsg+0xcd/0x170
[ 1546.232124][   T10]      do_syscall_64+0xc6/0x1e0
[ 1546.232124][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1546.232124][   T10] 
[ 1546.233697][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1546.233697][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1546.233697][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1546.233697][   T10]      ipv6_find_idev+0x102/0x170
[ 1546.233697][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1546.233697][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1546.233697][   T10]      netlink_rcv_skb+0x130/0x360
[ 1546.233697][   T10]      netlink_unicast+0x449/0x710
[ 1546.233697][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1546.233697][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1546.233697][   T10]      ___sys_sendmsg+0xee/0x170
[ 1546.233697][   T10]      __sys_sendmsg+0xcd/0x170
[ 1546.233697][   T10]      do_syscall_64+0xc6/0x1e0
[ 1546.233697][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1546.233697][   T10] 
[ 1546.235444][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1546.235710][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1546.235710][   T10]      netdev_get_by_index+0x5e/0x80
[ 1546.235710][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1546.235710][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1546.235710][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1546.235710][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1546.235710][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1546.235710][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1546.235710][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1546.235710][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1546.235710][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1546.235710][   T10]      vfs_write+0x9e5/0x10a0
[ 1546.235710][   T10]      ksys_write+0xf5/0x1e0
[ 1546.235710][   T10]      do_syscall_64+0xc6/0x1e0
[ 1546.235710][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1546.235710][   T10] 
[ 1546.237568][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1546.237568][   T10]      netdev_get_by_index+0x5e/0x80
[ 1546.237568][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1546.237568][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1546.237568][   T10]      ip6_route_add+0x1c/0x140
[ 1546.237568][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1546.237568][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1546.237568][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1546.237568][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1546.237568][   T10]      netlink_rcv_skb+0x130/0x360
[ 1546.237568][   T10]      netlink_unicast+0x449/0x710
[ 1546.237568][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1546.237568][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1546.237568][   T10]      ___sys_sendmsg+0xee/0x170
[ 1546.237568][   T10]      __sys_sendmsg+0xcd/0x170
[ 1546.237568][   T10]      do_syscall_64+0xc6/0x1e0
[ 1546.237568][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1546.237568][   T10] 
[ 1546.239599][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1546.239599][   T10]      netdev_get_by_index+0x5e/0x80
[ 1546.239599][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1546.239599][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1546.239599][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1546.239599][   T10]      ipv6_add_addr+0x411/0x2000
[ 1546.239599][   T10]      inet6_addr_add+0x30e/0xa40
[ 1546.239599][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1546.239599][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1546.239599][   T10]      netlink_rcv_skb+0x130/0x360
[ 1546.239599][   T10]      netlink_unicast+0x449/0x710
[ 1546.239599][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1546.239599][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1546.239599][   T10]      ___sys_sendmsg+0xee/0x170
[ 1546.239599][   T10]      __sys_sendmsg+0xcd/0x170
[ 1546.239599][   T10]      do_syscall_64+0xc6/0x1e0
[ 1546.239599][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1546.239599][   T10] 
[ 1546.241629][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1546.241629][   T10]      netdev_get_by_index+0x5e/0x80
[ 1546.241629][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1546.241629][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1546.241629][   T10]      ip6_route_add+0x1c/0x140
[ 1546.241629][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1546.241629][   T10]      addrconf_add_dev+0xe2/0x170
[ 1546.241629][   T10]      inet6_addr_add+0x12f/0xa40
[ 1546.241629][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1546.241629][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1546.241629][   T10]      netlink_rcv_skb+0x130/0x360
[ 1546.241629][   T10]      netlink_unicast+0x449/0x710
[ 1546.241629][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1546.241629][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1546.241629][   T10]      ___sys_sendmsg+0xee/0x170
[ 1546.241629][   T10]      __sys_sendmsg+0xcd/0x170
[ 1546.241629][   T10]      do_syscall_64+0xc6/0x1e0
[ 1546.241629][   T10] 
[ 1546.243627][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1546.243627][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1546.243627][   T10]      ipv6_find_idev+0x102/0x170
[ 1546.243627][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1546.243627][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1546.243627][   T10]      netlink_rcv_skb+0x130/0x360
[ 1546.243627][   T10]      netlink_unicast+0x449/0x710
[ 1546.243627][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1546.243627][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1546.243627][   T10]      ___sys_sendmsg+0xee/0x170
[ 1546.243627][   T10]      __sys_sendmsg+0xcd/0x170
[ 1546.243627][   T10]      do_syscall_64+0xc6/0x1e0
[ 1546.243627][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1546.243627][   T10] 
[ 1546.245200][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1546.245200][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1546.245200][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1546.245200][   T10]      ipv6_find_idev+0x102/0x170
[ 1546.245200][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1546.245200][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1546.245200][   T10]      netlink_rcv_skb+0x130/0x360
[ 1546.245200][   T10]      netlink_unicast+0x449/0x710
[ 1546.245200][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1546.245200][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1546.245200][   T10]      ___sys_sendmsg+0xee/0x170
[ 1546.245200][   T10]      __sys_sendmsg+0xcd/0x170
[ 1546.245200][   T10]      do_syscall_64+0xc6/0x1e0
[ 1546.245200][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1546.245200][   T10] 
[ 1556.375803][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1556.376307][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1556.376307][   T10]      dst_init+0x84/0x4a0
[ 1556.376307][   T10]      dst_alloc+0x97/0x150
[ 1556.376307][   T10]      ip6_dst_alloc+0x23/0x90
[ 1556.376307][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1556.376307][   T10]      ip6_pol_route+0x56f/0x840
[ 1556.376307][   T10]      fib6_rule_lookup+0x456/0x630
[ 1556.376307][   T10]      ip6_route_input+0x59c/0xa50
[ 1556.376307][   T10]      ipv6_rcv+0x397/0x810
[ 1556.376307][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1556.376307][   T10]      process_backlog+0x101/0x620
[ 1556.376307][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1556.376307][   T10]      net_rx_action+0x495/0xbe0
[ 1556.376307][   T10]      __do_softirq+0x1b5/0x7f6
[ 1556.376307][   T10] 
[ 1556.378077][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1556.378077][   T10]      netdev_get_by_index+0x5e/0x80
[ 1556.378077][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1556.378077][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1556.378077][   T10]      ip6_route_add+0x1c/0x140
[ 1556.378077][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1556.378077][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1556.378077][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1556.378077][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1556.378077][   T10]      netlink_rcv_skb+0x130/0x360
[ 1556.378077][   T10]      netlink_unicast+0x449/0x710
[ 1556.378077][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1556.378077][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1556.378077][   T10]      ___sys_sendmsg+0xee/0x170
[ 1556.378077][   T10]      __sys_sendmsg+0xcd/0x170
[ 1556.378077][   T10]      do_syscall_64+0xc6/0x1e0
[ 1556.378077][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1556.378077][   T10] 
[ 1556.380230][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1556.380230][   T10]      netdev_get_by_index+0x5e/0x80
[ 1556.380230][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1556.380230][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1556.380230][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1556.380230][   T10]      ipv6_add_addr+0x411/0x2000
[ 1556.380230][   T10]      inet6_addr_add+0x30e/0xa40
[ 1556.380230][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1556.380230][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1556.380230][   T10]      netlink_rcv_skb+0x130/0x360
[ 1556.380230][   T10]      netlink_unicast+0x449/0x710
[ 1556.380230][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1556.380230][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1556.380230][   T10]      ___sys_sendmsg+0xee/0x170
[ 1556.380230][   T10]      __sys_sendmsg+0xcd/0x170
[ 1556.380230][   T10]      do_syscall_64+0xc6/0x1e0
[ 1556.380230][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1556.380230][   T10] 
[ 1556.382252][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1556.382252][   T10]      netdev_get_by_index+0x5e/0x80
[ 1556.382252][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1556.382252][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1556.382252][   T10]      ip6_route_add+0x1c/0x140
[ 1556.382252][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1556.382252][   T10]      addrconf_add_dev+0xe2/0x170
[ 1556.382252][   T10]      inet6_addr_add+0x12f/0xa40
[ 1556.382252][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1556.382252][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1556.382252][   T10]      netlink_rcv_skb+0x130/0x360
[ 1556.382252][   T10]      netlink_unicast+0x449/0x710
[ 1556.382252][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1556.382252][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1556.382252][   T10]      ___sys_sendmsg+0xee/0x170
[ 1556.382252][   T10]      __sys_sendmsg+0xcd/0x170
[ 1556.382252][   T10]      do_syscall_64+0xc6/0x1e0
[ 1556.382252][   T10] 
[ 1556.384247][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1556.384247][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1556.384247][   T10]      ipv6_find_idev+0x102/0x170
[ 1556.384247][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1556.384247][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1556.384247][   T10]      netlink_rcv_skb+0x130/0x360
[ 1556.384247][   T10]      netlink_unicast+0x449/0x710
[ 1556.384247][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1556.384247][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1556.384247][   T10]      ___sys_sendmsg+0xee/0x170
[ 1556.384247][   T10]      __sys_sendmsg+0xcd/0x170
[ 1556.384247][   T10]      do_syscall_64+0xc6/0x1e0
[ 1556.384247][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1556.384247][   T10] 
[ 1556.385816][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1556.385816][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1556.385816][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1556.385816][   T10]      ipv6_find_idev+0x102/0x170
[ 1556.385816][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1556.385816][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1556.385816][   T10]      netlink_rcv_skb+0x130/0x360
[ 1556.385816][   T10]      netlink_unicast+0x449/0x710
[ 1556.385816][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1556.385816][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1556.385816][   T10]      ___sys_sendmsg+0xee/0x170
[ 1556.385816][   T10]      __sys_sendmsg+0xcd/0x170
[ 1556.385816][   T10]      do_syscall_64+0xc6/0x1e0
[ 1556.385816][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1556.385816][   T10] 
[ 1556.387571][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1556.388229][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1556.388229][   T10]      netdev_get_by_index+0x5e/0x80
[ 1556.388229][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1556.388229][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1556.388229][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1556.388229][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1556.388229][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1556.388229][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1556.388229][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1556.388229][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1556.388229][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1556.388229][   T10]      vfs_write+0x9e5/0x10a0
[ 1556.388229][   T10]      ksys_write+0xf5/0x1e0
[ 1556.388229][   T10]      do_syscall_64+0xc6/0x1e0
[ 1556.388229][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1556.388229][   T10] 
[ 1556.390102][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1556.390102][   T10]      netdev_get_by_index+0x5e/0x80
[ 1556.390102][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1556.390102][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1556.390102][   T10]      ip6_route_add+0x1c/0x140
[ 1556.390102][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1556.390102][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1556.390102][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1556.390102][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1556.390102][   T10]      netlink_rcv_skb+0x130/0x360
[ 1556.390102][   T10]      netlink_unicast+0x449/0x710
[ 1556.390102][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1556.390102][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1556.390102][   T10]      ___sys_sendmsg+0xee/0x170
[ 1556.390102][   T10]      __sys_sendmsg+0xcd/0x170
[ 1556.390102][   T10]      do_syscall_64+0xc6/0x1e0
[ 1556.390102][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1556.390102][   T10] 
[ 1556.392133][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1556.392133][   T10]      netdev_get_by_index+0x5e/0x80
[ 1556.392133][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1556.392133][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1556.392133][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1556.392133][   T10]      ipv6_add_addr+0x411/0x2000
[ 1556.392133][   T10]      inet6_addr_add+0x30e/0xa40
[ 1556.392133][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1556.392133][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1556.392133][   T10]      netlink_rcv_skb+0x130/0x360
[ 1556.392133][   T10]      netlink_unicast+0x449/0x710
[ 1556.392133][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1556.392133][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1556.392133][   T10]      ___sys_sendmsg+0xee/0x170
[ 1556.392133][   T10]      __sys_sendmsg+0xcd/0x170
[ 1556.392133][   T10]      do_syscall_64+0xc6/0x1e0
[ 1556.392133][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1556.392133][   T10] 
[ 1556.394157][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1556.394157][   T10]      netdev_get_by_index+0x5e/0x80
[ 1556.394157][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1556.394157][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1556.394157][   T10]      ip6_route_add+0x1c/0x140
[ 1556.394157][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1556.394157][   T10]      addrconf_add_dev+0xe2/0x170
[ 1556.394157][   T10]      inet6_addr_add+0x12f/0xa40
[ 1556.394157][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1556.394157][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1556.394157][   T10]      netlink_rcv_skb+0x130/0x360
[ 1556.394157][   T10]      netlink_unicast+0x449/0x710
[ 1556.394157][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1556.394157][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1556.394157][   T10]      ___sys_sendmsg+0xee/0x170
[ 1556.394157][   T10]      __sys_sendmsg+0xcd/0x170
[ 1556.394157][   T10]      do_syscall_64+0xc6/0x1e0
[ 1556.394157][   T10] 
[ 1556.396151][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1556.396151][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1556.396151][   T10]      ipv6_find_idev+0x102/0x170
[ 1556.396151][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1556.396151][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1556.396151][   T10]      netlink_rcv_skb+0x130/0x360
[ 1556.396151][   T10]      netlink_unicast+0x449/0x710
[ 1556.396151][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1556.396151][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1556.396151][   T10]      ___sys_sendmsg+0xee/0x170
[ 1556.396151][   T10]      __sys_sendmsg+0xcd/0x170
[ 1556.396151][   T10]      do_syscall_64+0xc6/0x1e0
[ 1556.396151][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1556.396151][   T10] 
[ 1556.397726][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1556.397726][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1556.397726][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1556.397726][   T10]      ipv6_find_idev+0x102/0x170
[ 1556.397726][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1556.397726][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1556.397726][   T10]      netlink_rcv_skb+0x130/0x360
[ 1556.397726][   T10]      netlink_unicast+0x449/0x710
[ 1556.397726][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1556.397726][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1556.397726][   T10]      ___sys_sendmsg+0xee/0x170
[ 1556.397726][   T10]      __sys_sendmsg+0xcd/0x170
[ 1556.397726][   T10]      do_syscall_64+0xc6/0x1e0
[ 1556.397726][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1556.397726][   T10] 
[ 1566.639801][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1566.640277][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1566.640277][   T10]      dst_init+0x84/0x4a0
[ 1566.640277][   T10]      dst_alloc+0x97/0x150
[ 1566.640277][   T10]      ip6_dst_alloc+0x23/0x90
[ 1566.640277][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1566.640277][   T10]      ip6_pol_route+0x56f/0x840
[ 1566.640277][   T10]      fib6_rule_lookup+0x456/0x630
[ 1566.640277][   T10]      ip6_route_input+0x59c/0xa50
[ 1566.640277][   T10]      ipv6_rcv+0x397/0x810
[ 1566.640277][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1566.640277][   T10]      process_backlog+0x101/0x620
[ 1566.640277][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1566.640277][   T10]      net_rx_action+0x495/0xbe0
[ 1566.640277][   T10]      __do_softirq+0x1b5/0x7f6
[ 1566.640277][   T10] 
[ 1566.641995][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1566.641995][   T10]      netdev_get_by_index+0x5e/0x80
[ 1566.641995][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1566.641995][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1566.641995][   T10]      ip6_route_add+0x1c/0x140
[ 1566.641995][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1566.641995][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1566.641995][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1566.641995][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1566.641995][   T10]      netlink_rcv_skb+0x130/0x360
[ 1566.641995][   T10]      netlink_unicast+0x449/0x710
[ 1566.641995][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1566.641995][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1566.641995][   T10]      ___sys_sendmsg+0xee/0x170
[ 1566.641995][   T10]      __sys_sendmsg+0xcd/0x170
[ 1566.641995][   T10]      do_syscall_64+0xc6/0x1e0
[ 1566.641995][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1566.641995][   T10] 
[ 1566.644053][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1566.644053][   T10]      netdev_get_by_index+0x5e/0x80
[ 1566.644053][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1566.644053][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1566.644053][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1566.644053][   T10]      ipv6_add_addr+0x411/0x2000
[ 1566.644053][   T10]      inet6_addr_add+0x30e/0xa40
[ 1566.644053][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1566.644053][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1566.644053][   T10]      netlink_rcv_skb+0x130/0x360
[ 1566.644053][   T10]      netlink_unicast+0x449/0x710
[ 1566.644053][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1566.644053][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1566.644053][   T10]      ___sys_sendmsg+0xee/0x170
[ 1566.644053][   T10]      __sys_sendmsg+0xcd/0x170
[ 1566.644053][   T10]      do_syscall_64+0xc6/0x1e0
[ 1566.644053][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1566.644053][   T10] 
[ 1566.646097][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1566.646097][   T10]      netdev_get_by_index+0x5e/0x80
[ 1566.646097][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1566.646097][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1566.646097][   T10]      ip6_route_add+0x1c/0x140
[ 1566.646097][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1566.646097][   T10]      addrconf_add_dev+0xe2/0x170
[ 1566.646097][   T10]      inet6_addr_add+0x12f/0xa40
[ 1566.646097][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1566.646097][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1566.646097][   T10]      netlink_rcv_skb+0x130/0x360
[ 1566.646097][   T10]      netlink_unicast+0x449/0x710
[ 1566.646097][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1566.646097][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1566.646097][   T10]      ___sys_sendmsg+0xee/0x170
[ 1566.646097][   T10]      __sys_sendmsg+0xcd/0x170
[ 1566.646097][   T10]      do_syscall_64+0xc6/0x1e0
[ 1566.646097][   T10] 
[ 1566.648123][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1566.648123][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1566.648123][   T10]      ipv6_find_idev+0x102/0x170
[ 1566.648123][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1566.648123][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1566.648123][   T10]      netlink_rcv_skb+0x130/0x360
[ 1566.648123][   T10]      netlink_unicast+0x449/0x710
[ 1566.648123][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1566.648123][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1566.648123][   T10]      ___sys_sendmsg+0xee/0x170
[ 1566.648123][   T10]      __sys_sendmsg+0xcd/0x170
[ 1566.648123][   T10]      do_syscall_64+0xc6/0x1e0
[ 1566.648123][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1566.648123][   T10] 
[ 1566.649674][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1566.649674][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1566.649674][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1566.649674][   T10]      ipv6_find_idev+0x102/0x170
[ 1566.649674][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1566.649674][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1566.649674][   T10]      netlink_rcv_skb+0x130/0x360
[ 1566.649674][   T10]      netlink_unicast+0x449/0x710
[ 1566.649674][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1566.649674][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1566.649674][   T10]      ___sys_sendmsg+0xee/0x170
[ 1566.649674][   T10]      __sys_sendmsg+0xcd/0x170
[ 1566.649674][   T10]      do_syscall_64+0xc6/0x1e0
[ 1566.649674][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1566.649674][   T10] 
[ 1566.651427][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1566.651696][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1566.651696][   T10]      netdev_get_by_index+0x5e/0x80
[ 1566.651696][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1566.651696][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1566.651696][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1566.651696][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1566.651696][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1566.651696][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1566.651696][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1566.651696][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1566.651696][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1566.651696][   T10]      vfs_write+0x9e5/0x10a0
[ 1566.651696][   T10]      ksys_write+0xf5/0x1e0
[ 1566.651696][   T10]      do_syscall_64+0xc6/0x1e0
[ 1566.651696][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1566.651696][   T10] 
[ 1566.653562][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1566.653562][   T10]      netdev_get_by_index+0x5e/0x80
[ 1566.653562][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1566.653562][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1566.653562][   T10]      ip6_route_add+0x1c/0x140
[ 1566.653562][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1566.653562][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1566.653562][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1566.653562][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1566.653562][   T10]      netlink_rcv_skb+0x130/0x360
[ 1566.653562][   T10]      netlink_unicast+0x449/0x710
[ 1566.653562][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1566.653562][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1566.653562][   T10]      ___sys_sendmsg+0xee/0x170
[ 1566.653562][   T10]      __sys_sendmsg+0xcd/0x170
[ 1566.653562][   T10]      do_syscall_64+0xc6/0x1e0
[ 1566.653562][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1566.653562][   T10] 
[ 1566.655605][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1566.655605][   T10]      netdev_get_by_index+0x5e/0x80
[ 1566.655605][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1566.655605][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1566.655605][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1566.655605][   T10]      ipv6_add_addr+0x411/0x2000
[ 1566.655605][   T10]      inet6_addr_add+0x30e/0xa40
[ 1566.655605][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1566.655605][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1566.655605][   T10]      netlink_rcv_skb+0x130/0x360
[ 1566.655605][   T10]      netlink_unicast+0x449/0x710
[ 1566.655605][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1566.655605][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1566.655605][   T10]      ___sys_sendmsg+0xee/0x170
[ 1566.655605][   T10]      __sys_sendmsg+0xcd/0x170
[ 1566.655605][   T10]      do_syscall_64+0xc6/0x1e0
[ 1566.655605][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1566.655605][   T10] 
[ 1566.657642][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1566.657642][   T10]      netdev_get_by_index+0x5e/0x80
[ 1566.657642][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1566.657642][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1566.657642][   T10]      ip6_route_add+0x1c/0x140
[ 1566.657642][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1566.657642][   T10]      addrconf_add_dev+0xe2/0x170
[ 1566.657642][   T10]      inet6_addr_add+0x12f/0xa40
[ 1566.657642][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1566.657642][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1566.657642][   T10]      netlink_rcv_skb+0x130/0x360
[ 1566.657642][   T10]      netlink_unicast+0x449/0x710
[ 1566.657642][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1566.657642][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1566.657642][   T10]      ___sys_sendmsg+0xee/0x170
[ 1566.657642][   T10]      __sys_sendmsg+0xcd/0x170
[ 1566.657642][   T10]      do_syscall_64+0xc6/0x1e0
[ 1566.657642][   T10] 
[ 1566.659633][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1566.659633][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1566.659633][   T10]      ipv6_find_idev+0x102/0x170
[ 1566.659633][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1566.659633][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1566.659633][   T10]      netlink_rcv_skb+0x130/0x360
[ 1566.659633][   T10]      netlink_unicast+0x449/0x710
[ 1566.659633][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1566.659633][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1566.659633][   T10]      ___sys_sendmsg+0xee/0x170
[ 1566.659633][   T10]      __sys_sendmsg+0xcd/0x170
[ 1566.659633][   T10]      do_syscall_64+0xc6/0x1e0
[ 1566.659633][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1566.659633][   T10] 
[ 1566.661207][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1566.661207][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1566.661207][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1566.661207][   T10]      ipv6_find_idev+0x102/0x170
[ 1566.661207][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1566.661207][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1566.661207][   T10]      netlink_rcv_skb+0x130/0x360
[ 1566.661207][   T10]      netlink_unicast+0x449/0x710
[ 1566.661207][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1566.661207][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1566.661207][   T10]      ___sys_sendmsg+0xee/0x170
[ 1566.661207][   T10]      __sys_sendmsg+0xcd/0x170
[ 1566.661207][   T10]      do_syscall_64+0xc6/0x1e0
[ 1566.661207][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1566.661207][   T10] 
[ 1576.727879][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1576.728414][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1576.728414][   T10]      dst_init+0x84/0x4a0
[ 1576.728414][   T10]      dst_alloc+0x97/0x150
[ 1576.728414][   T10]      ip6_dst_alloc+0x23/0x90
[ 1576.728414][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1576.728414][   T10]      ip6_pol_route+0x56f/0x840
[ 1576.728414][   T10]      fib6_rule_lookup+0x456/0x630
[ 1576.728414][   T10]      ip6_route_input+0x59c/0xa50
[ 1576.728414][   T10]      ipv6_rcv+0x397/0x810
[ 1576.728414][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1576.728414][   T10]      process_backlog+0x101/0x620
[ 1576.728414][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1576.728414][   T10]      net_rx_action+0x495/0xbe0
[ 1576.728414][   T10]      __do_softirq+0x1b5/0x7f6
[ 1576.728414][   T10] 
[ 1576.730498][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1576.730498][   T10]      netdev_get_by_index+0x5e/0x80
[ 1576.730498][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1576.730498][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1576.730498][   T10]      ip6_route_add+0x1c/0x140
[ 1576.730498][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1576.730498][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1576.730498][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1576.730498][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1576.730498][   T10]      netlink_rcv_skb+0x130/0x360
[ 1576.730498][   T10]      netlink_unicast+0x449/0x710
[ 1576.730498][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1576.730498][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1576.730498][   T10]      ___sys_sendmsg+0xee/0x170
[ 1576.730498][   T10]      __sys_sendmsg+0xcd/0x170
[ 1576.730498][   T10]      do_syscall_64+0xc6/0x1e0
[ 1576.730498][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1576.730498][   T10] 
[ 1576.733768][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1576.733768][   T10]      netdev_get_by_index+0x5e/0x80
[ 1576.733768][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1576.733768][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1576.733768][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1576.733768][   T10]      ipv6_add_addr+0x411/0x2000
[ 1576.733768][   T10]      inet6_addr_add+0x30e/0xa40
[ 1576.733768][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1576.733768][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1576.733768][   T10]      netlink_rcv_skb+0x130/0x360
[ 1576.733768][   T10]      netlink_unicast+0x449/0x710
[ 1576.733768][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1576.733768][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1576.733768][   T10]      ___sys_sendmsg+0xee/0x170
[ 1576.733768][   T10]      __sys_sendmsg+0xcd/0x170
[ 1576.733768][   T10]      do_syscall_64+0xc6/0x1e0
[ 1576.733768][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1576.733768][   T10] 
[ 1576.737056][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1576.737056][   T10]      netdev_get_by_index+0x5e/0x80
[ 1576.737056][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1576.737056][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1576.737056][   T10]      ip6_route_add+0x1c/0x140
[ 1576.737056][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1576.737056][   T10]      addrconf_add_dev+0xe2/0x170
[ 1576.737056][   T10]      inet6_addr_add+0x12f/0xa40
[ 1576.737056][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1576.737056][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1576.737056][   T10]      netlink_rcv_skb+0x130/0x360
[ 1576.737056][   T10]      netlink_unicast+0x449/0x710
[ 1576.737056][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1576.737056][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1576.737056][   T10]      ___sys_sendmsg+0xee/0x170
[ 1576.737056][   T10]      __sys_sendmsg+0xcd/0x170
[ 1576.737056][   T10]      do_syscall_64+0xc6/0x1e0
[ 1576.737056][   T10] 
[ 1576.739972][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1576.739972][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1576.739972][   T10]      ipv6_find_idev+0x102/0x170
[ 1576.739972][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1576.739972][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1576.739972][   T10]      netlink_rcv_skb+0x130/0x360
[ 1576.739972][   T10]      netlink_unicast+0x449/0x710
[ 1576.739972][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1576.739972][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1576.739972][   T10]      ___sys_sendmsg+0xee/0x170
[ 1576.739972][   T10]      __sys_sendmsg+0xcd/0x170
[ 1576.739972][   T10]      do_syscall_64+0xc6/0x1e0
[ 1576.739972][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1576.739972][   T10] 
[ 1576.742431][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1576.742431][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1576.742431][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1576.742431][   T10]      ipv6_find_idev+0x102/0x170
[ 1576.742431][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1576.742431][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1576.742431][   T10]      netlink_rcv_skb+0x130/0x360
[ 1576.742431][   T10]      netlink_unicast+0x449/0x710
[ 1576.742431][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1576.742431][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1576.742431][   T10]      ___sys_sendmsg+0xee/0x170
[ 1576.742431][   T10]      __sys_sendmsg+0xcd/0x170
[ 1576.742431][   T10]      do_syscall_64+0xc6/0x1e0
[ 1576.742431][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1576.742431][   T10] 
[ 1576.745215][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1576.745634][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1576.745634][   T10]      netdev_get_by_index+0x5e/0x80
[ 1576.745634][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1576.745634][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1576.745634][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1576.745634][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1576.745634][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1576.745634][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1576.745634][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1576.745634][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1576.745634][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1576.745634][   T10]      vfs_write+0x9e5/0x10a0
[ 1576.745634][   T10]      ksys_write+0xf5/0x1e0
[ 1576.745634][   T10]      do_syscall_64+0xc6/0x1e0
[ 1576.745634][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1576.745634][   T10] 
[ 1576.748610][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1576.748610][   T10]      netdev_get_by_index+0x5e/0x80
[ 1576.748610][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1576.748610][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1576.748610][   T10]      ip6_route_add+0x1c/0x140
[ 1576.748610][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1576.748610][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1576.748610][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1576.748610][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1576.748610][   T10]      netlink_rcv_skb+0x130/0x360
[ 1576.748610][   T10]      netlink_unicast+0x449/0x710
[ 1576.748610][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1576.748610][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1576.748610][   T10]      ___sys_sendmsg+0xee/0x170
[ 1576.748610][   T10]      __sys_sendmsg+0xcd/0x170
[ 1576.748610][   T10]      do_syscall_64+0xc6/0x1e0
[ 1576.748610][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1576.748610][   T10] 
[ 1576.750936][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1576.750936][   T10]      netdev_get_by_index+0x5e/0x80
[ 1576.750936][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1576.750936][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1576.750936][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1576.750936][   T10]      ipv6_add_addr+0x411/0x2000
[ 1576.750936][   T10]      inet6_addr_add+0x30e/0xa40
[ 1576.750936][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1576.750936][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1576.750936][   T10]      netlink_rcv_skb+0x130/0x360
[ 1576.750936][   T10]      netlink_unicast+0x449/0x710
[ 1576.750936][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1576.750936][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1576.750936][   T10]      ___sys_sendmsg+0xee/0x170
[ 1576.750936][   T10]      __sys_sendmsg+0xcd/0x170
[ 1576.750936][   T10]      do_syscall_64+0xc6/0x1e0
[ 1576.750936][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1576.750936][   T10] 
[ 1576.753174][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1576.753174][   T10]      netdev_get_by_index+0x5e/0x80
[ 1576.753174][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1576.753174][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1576.753174][   T10]      ip6_route_add+0x1c/0x140
[ 1576.753174][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1576.753174][   T10]      addrconf_add_dev+0xe2/0x170
[ 1576.753174][   T10]      inet6_addr_add+0x12f/0xa40
[ 1576.753174][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1576.753174][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1576.753174][   T10]      netlink_rcv_skb+0x130/0x360
[ 1576.753174][   T10]      netlink_unicast+0x449/0x710
[ 1576.753174][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1576.753174][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1576.753174][   T10]      ___sys_sendmsg+0xee/0x170
[ 1576.753174][   T10]      __sys_sendmsg+0xcd/0x170
[ 1576.753174][   T10]      do_syscall_64+0xc6/0x1e0
[ 1576.753174][   T10] 
[ 1576.755343][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1576.755343][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1576.755343][   T10]      ipv6_find_idev+0x102/0x170
[ 1576.755343][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1576.755343][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1576.755343][   T10]      netlink_rcv_skb+0x130/0x360
[ 1576.755343][   T10]      netlink_unicast+0x449/0x710
[ 1576.755343][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1576.755343][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1576.755343][   T10]      ___sys_sendmsg+0xee/0x170
[ 1576.755343][   T10]      __sys_sendmsg+0xcd/0x170
[ 1576.755343][   T10]      do_syscall_64+0xc6/0x1e0
[ 1576.755343][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1576.755343][   T10] 
[ 1576.757242][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1576.757242][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1576.757242][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1576.757242][   T10]      ipv6_find_idev+0x102/0x170
[ 1576.757242][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1576.757242][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1576.757242][   T10]      netlink_rcv_skb+0x130/0x360
[ 1576.757242][   T10]      netlink_unicast+0x449/0x710
[ 1576.757242][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1576.757242][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1576.757242][   T10]      ___sys_sendmsg+0xee/0x170
[ 1576.757242][   T10]      __sys_sendmsg+0xcd/0x170
[ 1576.757242][   T10]      do_syscall_64+0xc6/0x1e0
[ 1576.757242][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1576.757242][   T10] 
[ 1586.839846][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1586.840352][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1586.840352][   T10]      dst_init+0x84/0x4a0
[ 1586.840352][   T10]      dst_alloc+0x97/0x150
[ 1586.840352][   T10]      ip6_dst_alloc+0x23/0x90
[ 1586.840352][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1586.840352][   T10]      ip6_pol_route+0x56f/0x840
[ 1586.840352][   T10]      fib6_rule_lookup+0x456/0x630
[ 1586.840352][   T10]      ip6_route_input+0x59c/0xa50
[ 1586.840352][   T10]      ipv6_rcv+0x397/0x810
[ 1586.840352][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1586.840352][   T10]      process_backlog+0x101/0x620
[ 1586.840352][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1586.840352][   T10]      net_rx_action+0x495/0xbe0
[ 1586.840352][   T10]      __do_softirq+0x1b5/0x7f6
[ 1586.840352][   T10] 
[ 1586.842274][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1586.842274][   T10]      netdev_get_by_index+0x5e/0x80
[ 1586.842274][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1586.842274][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1586.842274][   T10]      ip6_route_add+0x1c/0x140
[ 1586.842274][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1586.842274][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1586.842274][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1586.842274][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1586.842274][   T10]      netlink_rcv_skb+0x130/0x360
[ 1586.842274][   T10]      netlink_unicast+0x449/0x710
[ 1586.842274][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1586.842274][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1586.842274][   T10]      ___sys_sendmsg+0xee/0x170
[ 1586.842274][   T10]      __sys_sendmsg+0xcd/0x170
[ 1586.842274][   T10]      do_syscall_64+0xc6/0x1e0
[ 1586.842274][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1586.842274][   T10] 
[ 1586.844607][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1586.844607][   T10]      netdev_get_by_index+0x5e/0x80
[ 1586.844607][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1586.844607][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1586.844607][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1586.844607][   T10]      ipv6_add_addr+0x411/0x2000
[ 1586.844607][   T10]      inet6_addr_add+0x30e/0xa40
[ 1586.844607][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1586.844607][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1586.844607][   T10]      netlink_rcv_skb+0x130/0x360
[ 1586.844607][   T10]      netlink_unicast+0x449/0x710
[ 1586.844607][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1586.844607][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1586.844607][   T10]      ___sys_sendmsg+0xee/0x170
[ 1586.844607][   T10]      __sys_sendmsg+0xcd/0x170
[ 1586.844607][   T10]      do_syscall_64+0xc6/0x1e0
[ 1586.844607][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1586.844607][   T10] 
[ 1586.846904][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1586.846904][   T10]      netdev_get_by_index+0x5e/0x80
[ 1586.846904][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1586.846904][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1586.846904][   T10]      ip6_route_add+0x1c/0x140
[ 1586.846904][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1586.846904][   T10]      addrconf_add_dev+0xe2/0x170
[ 1586.846904][   T10]      inet6_addr_add+0x12f/0xa40
[ 1586.846904][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1586.846904][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1586.846904][   T10]      netlink_rcv_skb+0x130/0x360
[ 1586.846904][   T10]      netlink_unicast+0x449/0x710
[ 1586.846904][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1586.846904][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1586.846904][   T10]      ___sys_sendmsg+0xee/0x170
[ 1586.846904][   T10]      __sys_sendmsg+0xcd/0x170
[ 1586.846904][   T10]      do_syscall_64+0xc6/0x1e0
[ 1586.846904][   T10] 
[ 1586.849180][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1586.849180][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1586.849180][   T10]      ipv6_find_idev+0x102/0x170
[ 1586.849180][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1586.849180][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1586.849180][   T10]      netlink_rcv_skb+0x130/0x360
[ 1586.849180][   T10]      netlink_unicast+0x449/0x710
[ 1586.849180][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1586.849180][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1586.849180][   T10]      ___sys_sendmsg+0xee/0x170
[ 1586.849180][   T10]      __sys_sendmsg+0xcd/0x170
[ 1586.849180][   T10]      do_syscall_64+0xc6/0x1e0
[ 1586.849180][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1586.849180][   T10] 
[ 1586.850965][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1586.850965][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1586.850965][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1586.850965][   T10]      ipv6_find_idev+0x102/0x170
[ 1586.850965][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1586.850965][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1586.850965][   T10]      netlink_rcv_skb+0x130/0x360
[ 1586.850965][   T10]      netlink_unicast+0x449/0x710
[ 1586.850965][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1586.850965][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1586.850965][   T10]      ___sys_sendmsg+0xee/0x170
[ 1586.850965][   T10]      __sys_sendmsg+0xcd/0x170
[ 1586.850965][   T10]      do_syscall_64+0xc6/0x1e0
[ 1586.850965][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1586.850965][   T10] 
[ 1586.853021][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1586.853298][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1586.853298][   T10]      netdev_get_by_index+0x5e/0x80
[ 1586.853298][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1586.853298][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1586.853298][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1586.853298][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1586.853298][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1586.853298][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1586.853298][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1586.853298][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1586.853298][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1586.853298][   T10]      vfs_write+0x9e5/0x10a0
[ 1586.853298][   T10]      ksys_write+0xf5/0x1e0
[ 1586.853298][   T10]      do_syscall_64+0xc6/0x1e0
[ 1586.853298][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1586.853298][   T10] 
[ 1586.855369][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1586.855369][   T10]      netdev_get_by_index+0x5e/0x80
[ 1586.855369][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1586.855369][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1586.855369][   T10]      ip6_route_add+0x1c/0x140
[ 1586.855369][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1586.855369][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1586.855369][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1586.855369][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1586.855369][   T10]      netlink_rcv_skb+0x130/0x360
[ 1586.855369][   T10]      netlink_unicast+0x449/0x710
[ 1586.855369][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1586.855369][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1586.855369][   T10]      ___sys_sendmsg+0xee/0x170
[ 1586.855369][   T10]      __sys_sendmsg+0xcd/0x170
[ 1586.855369][   T10]      do_syscall_64+0xc6/0x1e0
[ 1586.855369][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1586.855369][   T10] 
[ 1586.857648][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1586.857648][   T10]      netdev_get_by_index+0x5e/0x80
[ 1586.857648][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1586.857648][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1586.857648][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1586.857648][   T10]      ipv6_add_addr+0x411/0x2000
[ 1586.857648][   T10]      inet6_addr_add+0x30e/0xa40
[ 1586.857648][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1586.857648][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1586.857648][   T10]      netlink_rcv_skb+0x130/0x360
[ 1586.857648][   T10]      netlink_unicast+0x449/0x710
[ 1586.857648][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1586.857648][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1586.857648][   T10]      ___sys_sendmsg+0xee/0x170
[ 1586.857648][   T10]      __sys_sendmsg+0xcd/0x170
[ 1586.857648][   T10]      do_syscall_64+0xc6/0x1e0
[ 1586.857648][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1586.857648][   T10] 
[ 1586.859920][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1586.859920][   T10]      netdev_get_by_index+0x5e/0x80
[ 1586.859920][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1586.859920][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1586.859920][   T10]      ip6_route_add+0x1c/0x140
[ 1586.859920][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1586.859920][   T10]      addrconf_add_dev+0xe2/0x170
[ 1586.859920][   T10]      inet6_addr_add+0x12f/0xa40
[ 1586.859920][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1586.859920][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1586.859920][   T10]      netlink_rcv_skb+0x130/0x360
[ 1586.859920][   T10]      netlink_unicast+0x449/0x710
[ 1586.859920][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1586.859920][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1586.859920][   T10]      ___sys_sendmsg+0xee/0x170
[ 1586.859920][   T10]      __sys_sendmsg+0xcd/0x170
[ 1586.859920][   T10]      do_syscall_64+0xc6/0x1e0
[ 1586.859920][   T10] 
[ 1586.862186][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1586.862186][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1586.862186][   T10]      ipv6_find_idev+0x102/0x170
[ 1586.862186][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1586.862186][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1586.862186][   T10]      netlink_rcv_skb+0x130/0x360
[ 1586.862186][   T10]      netlink_unicast+0x449/0x710
[ 1586.862186][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1586.862186][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1586.862186][   T10]      ___sys_sendmsg+0xee/0x170
[ 1586.862186][   T10]      __sys_sendmsg+0xcd/0x170
[ 1586.862186][   T10]      do_syscall_64+0xc6/0x1e0
[ 1586.862186][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1586.862186][   T10] 
[ 1586.863941][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1586.863941][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1586.863941][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1586.863941][   T10]      ipv6_find_idev+0x102/0x170
[ 1586.863941][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1586.863941][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1586.863941][   T10]      netlink_rcv_skb+0x130/0x360
[ 1586.863941][   T10]      netlink_unicast+0x449/0x710
[ 1586.863941][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1586.863941][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1586.863941][   T10]      ___sys_sendmsg+0xee/0x170
[ 1586.863941][   T10]      __sys_sendmsg+0xcd/0x170
[ 1586.863941][   T10]      do_syscall_64+0xc6/0x1e0
[ 1586.863941][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1586.863941][   T10] 
[ 1596.887803][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1596.888385][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1596.888385][   T10]      dst_init+0x84/0x4a0
[ 1596.888385][   T10]      dst_alloc+0x97/0x150
[ 1596.888385][   T10]      ip6_dst_alloc+0x23/0x90
[ 1596.888385][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1596.888385][   T10]      ip6_pol_route+0x56f/0x840
[ 1596.888385][   T10]      fib6_rule_lookup+0x456/0x630
[ 1596.888385][   T10]      ip6_route_input+0x59c/0xa50
[ 1596.888385][   T10]      ipv6_rcv+0x397/0x810
[ 1596.888385][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1596.888385][   T10]      process_backlog+0x101/0x620
[ 1596.888385][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1596.888385][   T10]      net_rx_action+0x495/0xbe0
[ 1596.888385][   T10]      __do_softirq+0x1b5/0x7f6
[ 1596.888385][   T10] 
[ 1596.890108][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1596.890108][   T10]      netdev_get_by_index+0x5e/0x80
[ 1596.890108][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1596.890108][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1596.890108][   T10]      ip6_route_add+0x1c/0x140
[ 1596.890108][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1596.890108][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1596.890108][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1596.890108][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1596.890108][   T10]      netlink_rcv_skb+0x130/0x360
[ 1596.890108][   T10]      netlink_unicast+0x449/0x710
[ 1596.890108][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1596.890108][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1596.890108][   T10]      ___sys_sendmsg+0xee/0x170
[ 1596.890108][   T10]      __sys_sendmsg+0xcd/0x170
[ 1596.890108][   T10]      do_syscall_64+0xc6/0x1e0
[ 1596.890108][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1596.890108][   T10] 
[ 1596.892177][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1596.892177][   T10]      netdev_get_by_index+0x5e/0x80
[ 1596.892177][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1596.892177][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1596.892177][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1596.892177][   T10]      ipv6_add_addr+0x411/0x2000
[ 1596.892177][   T10]      inet6_addr_add+0x30e/0xa40
[ 1596.892177][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1596.892177][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1596.892177][   T10]      netlink_rcv_skb+0x130/0x360
[ 1596.892177][   T10]      netlink_unicast+0x449/0x710
[ 1596.892177][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1596.892177][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1596.892177][   T10]      ___sys_sendmsg+0xee/0x170
[ 1596.892177][   T10]      __sys_sendmsg+0xcd/0x170
[ 1596.892177][   T10]      do_syscall_64+0xc6/0x1e0
[ 1596.892177][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1596.892177][   T10] 
[ 1596.894253][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1596.894253][   T10]      netdev_get_by_index+0x5e/0x80
[ 1596.894253][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1596.894253][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1596.894253][   T10]      ip6_route_add+0x1c/0x140
[ 1596.894253][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1596.894253][   T10]      addrconf_add_dev+0xe2/0x170
[ 1596.894253][   T10]      inet6_addr_add+0x12f/0xa40
[ 1596.894253][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1596.894253][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1596.894253][   T10]      netlink_rcv_skb+0x130/0x360
[ 1596.894253][   T10]      netlink_unicast+0x449/0x710
[ 1596.894253][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1596.894253][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1596.894253][   T10]      ___sys_sendmsg+0xee/0x170
[ 1596.894253][   T10]      __sys_sendmsg+0xcd/0x170
[ 1596.894253][   T10]      do_syscall_64+0xc6/0x1e0
[ 1596.894253][   T10] 
[ 1596.896271][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1596.896271][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1596.896271][   T10]      ipv6_find_idev+0x102/0x170
[ 1596.896271][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1596.896271][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1596.896271][   T10]      netlink_rcv_skb+0x130/0x360
[ 1596.896271][   T10]      netlink_unicast+0x449/0x710
[ 1596.896271][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1596.896271][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1596.896271][   T10]      ___sys_sendmsg+0xee/0x170
[ 1596.896271][   T10]      __sys_sendmsg+0xcd/0x170
[ 1596.896271][   T10]      do_syscall_64+0xc6/0x1e0
[ 1596.896271][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1596.896271][   T10] 
[ 1596.897877][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1596.897877][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1596.897877][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1596.897877][   T10]      ipv6_find_idev+0x102/0x170
[ 1596.897877][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1596.897877][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1596.897877][   T10]      netlink_rcv_skb+0x130/0x360
[ 1596.897877][   T10]      netlink_unicast+0x449/0x710
[ 1596.897877][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1596.897877][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1596.897877][   T10]      ___sys_sendmsg+0xee/0x170
[ 1596.897877][   T10]      __sys_sendmsg+0xcd/0x170
[ 1596.897877][   T10]      do_syscall_64+0xc6/0x1e0
[ 1596.897877][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1596.897877][   T10] 
[ 1596.899618][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1596.899889][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1596.899889][   T10]      netdev_get_by_index+0x5e/0x80
[ 1596.899889][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1596.899889][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1596.899889][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1596.899889][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1596.899889][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1596.899889][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1596.899889][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1596.899889][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1596.899889][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1596.899889][   T10]      vfs_write+0x9e5/0x10a0
[ 1596.899889][   T10]      ksys_write+0xf5/0x1e0
[ 1596.899889][   T10]      do_syscall_64+0xc6/0x1e0
[ 1596.899889][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1596.899889][   T10] 
[ 1596.901779][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1596.901779][   T10]      netdev_get_by_index+0x5e/0x80
[ 1596.901779][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1596.901779][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1596.901779][   T10]      ip6_route_add+0x1c/0x140
[ 1596.901779][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1596.901779][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1596.901779][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1596.901779][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1596.901779][   T10]      netlink_rcv_skb+0x130/0x360
[ 1596.901779][   T10]      netlink_unicast+0x449/0x710
[ 1596.901779][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1596.901779][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1596.901779][   T10]      ___sys_sendmsg+0xee/0x170
[ 1596.901779][   T10]      __sys_sendmsg+0xcd/0x170
[ 1596.901779][   T10]      do_syscall_64+0xc6/0x1e0
[ 1596.901779][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1596.901779][   T10] 
[ 1596.903847][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1596.903847][   T10]      netdev_get_by_index+0x5e/0x80
[ 1596.903847][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1596.903847][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1596.903847][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1596.903847][   T10]      ipv6_add_addr+0x411/0x2000
[ 1596.903847][   T10]      inet6_addr_add+0x30e/0xa40
[ 1596.903847][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1596.903847][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1596.903847][   T10]      netlink_rcv_skb+0x130/0x360
[ 1596.903847][   T10]      netlink_unicast+0x449/0x710
[ 1596.903847][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1596.903847][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1596.903847][   T10]      ___sys_sendmsg+0xee/0x170
[ 1596.903847][   T10]      __sys_sendmsg+0xcd/0x170
[ 1596.903847][   T10]      do_syscall_64+0xc6/0x1e0
[ 1596.903847][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1596.903847][   T10] 
[ 1596.905892][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1596.905892][   T10]      netdev_get_by_index+0x5e/0x80
[ 1596.905892][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1596.905892][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1596.905892][   T10]      ip6_route_add+0x1c/0x140
[ 1596.905892][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1596.905892][   T10]      addrconf_add_dev+0xe2/0x170
[ 1596.905892][   T10]      inet6_addr_add+0x12f/0xa40
[ 1596.905892][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1596.905892][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1596.905892][   T10]      netlink_rcv_skb+0x130/0x360
[ 1596.905892][   T10]      netlink_unicast+0x449/0x710
[ 1596.905892][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1596.905892][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1596.905892][   T10]      ___sys_sendmsg+0xee/0x170
[ 1596.905892][   T10]      __sys_sendmsg+0xcd/0x170
[ 1596.905892][   T10]      do_syscall_64+0xc6/0x1e0
[ 1596.905892][   T10] 
[ 1596.907886][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1596.907886][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1596.907886][   T10]      ipv6_find_idev+0x102/0x170
[ 1596.907886][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1596.907886][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1596.907886][   T10]      netlink_rcv_skb+0x130/0x360
[ 1596.907886][   T10]      netlink_unicast+0x449/0x710
[ 1596.907886][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1596.907886][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1596.907886][   T10]      ___sys_sendmsg+0xee/0x170
[ 1596.907886][   T10]      __sys_sendmsg+0xcd/0x170
[ 1596.907886][   T10]      do_syscall_64+0xc6/0x1e0
[ 1596.907886][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1596.907886][   T10] 
[ 1596.909444][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1596.909444][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1596.909444][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1596.909444][   T10]      ipv6_find_idev+0x102/0x170
[ 1596.909444][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1596.909444][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1596.909444][   T10]      netlink_rcv_skb+0x130/0x360
[ 1596.909444][   T10]      netlink_unicast+0x449/0x710
[ 1596.909444][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1596.909444][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1596.909444][   T10]      ___sys_sendmsg+0xee/0x170
[ 1596.909444][   T10]      __sys_sendmsg+0xcd/0x170
[ 1596.909444][   T10]      do_syscall_64+0xc6/0x1e0
[ 1596.909444][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1596.909444][   T10] 
[ 1606.911819][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1606.912239][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1606.912239][   T10]      dst_init+0x84/0x4a0
[ 1606.912239][   T10]      dst_alloc+0x97/0x150
[ 1606.912239][   T10]      ip6_dst_alloc+0x23/0x90
[ 1606.912239][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1606.912239][   T10]      ip6_pol_route+0x56f/0x840
[ 1606.912239][   T10]      fib6_rule_lookup+0x456/0x630
[ 1606.912239][   T10]      ip6_route_input+0x59c/0xa50
[ 1606.912239][   T10]      ipv6_rcv+0x397/0x810
[ 1606.912239][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1606.912239][   T10]      process_backlog+0x101/0x620
[ 1606.912239][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1606.912239][   T10]      net_rx_action+0x495/0xbe0
[ 1606.912239][   T10]      __do_softirq+0x1b5/0x7f6
[ 1606.912239][   T10] 
[ 1606.913947][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1606.913947][   T10]      netdev_get_by_index+0x5e/0x80
[ 1606.913947][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1606.913947][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1606.913947][   T10]      ip6_route_add+0x1c/0x140
[ 1606.913947][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1606.913947][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1606.913947][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1606.913947][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1606.913947][   T10]      netlink_rcv_skb+0x130/0x360
[ 1606.913947][   T10]      netlink_unicast+0x449/0x710
[ 1606.913947][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1606.913947][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1606.913947][   T10]      ___sys_sendmsg+0xee/0x170
[ 1606.913947][   T10]      __sys_sendmsg+0xcd/0x170
[ 1606.913947][   T10]      do_syscall_64+0xc6/0x1e0
[ 1606.913947][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1606.913947][   T10] 
[ 1606.915970][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1606.915970][   T10]      netdev_get_by_index+0x5e/0x80
[ 1606.915970][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1606.915970][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1606.915970][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1606.915970][   T10]      ipv6_add_addr+0x411/0x2000
[ 1606.915970][   T10]      inet6_addr_add+0x30e/0xa40
[ 1606.915970][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1606.915970][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1606.915970][   T10]      netlink_rcv_skb+0x130/0x360
[ 1606.915970][   T10]      netlink_unicast+0x449/0x710
[ 1606.915970][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1606.915970][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1606.915970][   T10]      ___sys_sendmsg+0xee/0x170
[ 1606.915970][   T10]      __sys_sendmsg+0xcd/0x170
[ 1606.915970][   T10]      do_syscall_64+0xc6/0x1e0
[ 1606.915970][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1606.915970][   T10] 
[ 1606.918038][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1606.918038][   T10]      netdev_get_by_index+0x5e/0x80
[ 1606.918038][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1606.918038][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1606.918038][   T10]      ip6_route_add+0x1c/0x140
[ 1606.918038][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1606.918038][   T10]      addrconf_add_dev+0xe2/0x170
[ 1606.918038][   T10]      inet6_addr_add+0x12f/0xa40
[ 1606.918038][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1606.918038][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1606.918038][   T10]      netlink_rcv_skb+0x130/0x360
[ 1606.918038][   T10]      netlink_unicast+0x449/0x710
[ 1606.918038][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1606.918038][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1606.918038][   T10]      ___sys_sendmsg+0xee/0x170
[ 1606.918038][   T10]      __sys_sendmsg+0xcd/0x170
[ 1606.918038][   T10]      do_syscall_64+0xc6/0x1e0
[ 1606.918038][   T10] 
[ 1606.920022][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1606.920022][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1606.920022][   T10]      ipv6_find_idev+0x102/0x170
[ 1606.920022][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1606.920022][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1606.920022][   T10]      netlink_rcv_skb+0x130/0x360
[ 1606.920022][   T10]      netlink_unicast+0x449/0x710
[ 1606.920022][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1606.920022][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1606.920022][   T10]      ___sys_sendmsg+0xee/0x170
[ 1606.920022][   T10]      __sys_sendmsg+0xcd/0x170
[ 1606.920022][   T10]      do_syscall_64+0xc6/0x1e0
[ 1606.920022][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1606.920022][   T10] 
[ 1606.921589][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1606.921589][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1606.921589][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1606.921589][   T10]      ipv6_find_idev+0x102/0x170
[ 1606.921589][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1606.921589][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1606.921589][   T10]      netlink_rcv_skb+0x130/0x360
[ 1606.921589][   T10]      netlink_unicast+0x449/0x710
[ 1606.921589][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1606.921589][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1606.921589][   T10]      ___sys_sendmsg+0xee/0x170
[ 1606.921589][   T10]      __sys_sendmsg+0xcd/0x170
[ 1606.921589][   T10]      do_syscall_64+0xc6/0x1e0
[ 1606.921589][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1606.921589][   T10] 
[ 1606.923309][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1606.923567][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1606.923567][   T10]      netdev_get_by_index+0x5e/0x80
[ 1606.923567][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1606.923567][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1606.923567][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1606.923567][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1606.923567][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1606.923567][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1606.923567][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1606.923567][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1606.923567][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1606.923567][   T10]      vfs_write+0x9e5/0x10a0
[ 1606.923567][   T10]      ksys_write+0xf5/0x1e0
[ 1606.923567][   T10]      do_syscall_64+0xc6/0x1e0
[ 1606.923567][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1606.923567][   T10] 
[ 1606.925402][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1606.925402][   T10]      netdev_get_by_index+0x5e/0x80
[ 1606.925402][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1606.925402][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1606.925402][   T10]      ip6_route_add+0x1c/0x140
[ 1606.925402][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1606.925402][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1606.925402][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1606.925402][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1606.925402][   T10]      netlink_rcv_skb+0x130/0x360
[ 1606.925402][   T10]      netlink_unicast+0x449/0x710
[ 1606.925402][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1606.925402][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1606.925402][   T10]      ___sys_sendmsg+0xee/0x170
[ 1606.925402][   T10]      __sys_sendmsg+0xcd/0x170
[ 1606.925402][   T10]      do_syscall_64+0xc6/0x1e0
[ 1606.925402][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1606.925402][   T10] 
[ 1606.927403][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1606.927403][   T10]      netdev_get_by_index+0x5e/0x80
[ 1606.927403][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1606.927403][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1606.927403][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1606.927403][   T10]      ipv6_add_addr+0x411/0x2000
[ 1606.927403][   T10]      inet6_addr_add+0x30e/0xa40
[ 1606.927403][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1606.927403][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1606.927403][   T10]      netlink_rcv_skb+0x130/0x360
[ 1606.927403][   T10]      netlink_unicast+0x449/0x710
[ 1606.927403][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1606.927403][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1606.927403][   T10]      ___sys_sendmsg+0xee/0x170
[ 1606.927403][   T10]      __sys_sendmsg+0xcd/0x170
[ 1606.927403][   T10]      do_syscall_64+0xc6/0x1e0
[ 1606.927403][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1606.927403][   T10] 
[ 1606.929392][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1606.929392][   T10]      netdev_get_by_index+0x5e/0x80
[ 1606.929392][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1606.929392][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1606.929392][   T10]      ip6_route_add+0x1c/0x140
[ 1606.929392][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1606.929392][   T10]      addrconf_add_dev+0xe2/0x170
[ 1606.929392][   T10]      inet6_addr_add+0x12f/0xa40
[ 1606.929392][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1606.929392][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1606.929392][   T10]      netlink_rcv_skb+0x130/0x360
[ 1606.929392][   T10]      netlink_unicast+0x449/0x710
[ 1606.929392][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1606.929392][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1606.929392][   T10]      ___sys_sendmsg+0xee/0x170
[ 1606.929392][   T10]      __sys_sendmsg+0xcd/0x170
[ 1606.929392][   T10]      do_syscall_64+0xc6/0x1e0
[ 1606.929392][   T10] 
[ 1606.931331][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1606.931331][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1606.931331][   T10]      ipv6_find_idev+0x102/0x170
[ 1606.931331][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1606.931331][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1606.931331][   T10]      netlink_rcv_skb+0x130/0x360
[ 1606.931331][   T10]      netlink_unicast+0x449/0x710
[ 1606.931331][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1606.931331][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1606.931331][   T10]      ___sys_sendmsg+0xee/0x170
[ 1606.931331][   T10]      __sys_sendmsg+0xcd/0x170
[ 1606.931331][   T10]      do_syscall_64+0xc6/0x1e0
[ 1606.931331][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1606.931331][   T10] 
[ 1606.932843][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1606.932843][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1606.932843][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1606.932843][   T10]      ipv6_find_idev+0x102/0x170
[ 1606.932843][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1606.932843][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1606.932843][   T10]      netlink_rcv_skb+0x130/0x360
[ 1606.932843][   T10]      netlink_unicast+0x449/0x710
[ 1606.932843][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1606.932843][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1606.932843][   T10]      ___sys_sendmsg+0xee/0x170
[ 1606.932843][   T10]      __sys_sendmsg+0xcd/0x170
[ 1606.932843][   T10]      do_syscall_64+0xc6/0x1e0
[ 1606.932843][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1606.932843][   T10] 
[ 1617.119800][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1617.120307][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1617.120307][   T10]      dst_init+0x84/0x4a0
[ 1617.120307][   T10]      dst_alloc+0x97/0x150
[ 1617.120307][   T10]      ip6_dst_alloc+0x23/0x90
[ 1617.120307][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1617.120307][   T10]      ip6_pol_route+0x56f/0x840
[ 1617.120307][   T10]      fib6_rule_lookup+0x456/0x630
[ 1617.120307][   T10]      ip6_route_input+0x59c/0xa50
[ 1617.120307][   T10]      ipv6_rcv+0x397/0x810
[ 1617.120307][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1617.120307][   T10]      process_backlog+0x101/0x620
[ 1617.120307][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1617.120307][   T10]      net_rx_action+0x495/0xbe0
[ 1617.120307][   T10]      __do_softirq+0x1b5/0x7f6
[ 1617.120307][   T10] 
[ 1617.122024][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1617.122024][   T10]      netdev_get_by_index+0x5e/0x80
[ 1617.122024][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1617.122024][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1617.122024][   T10]      ip6_route_add+0x1c/0x140
[ 1617.122024][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1617.122024][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1617.122024][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1617.122024][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1617.122024][   T10]      netlink_rcv_skb+0x130/0x360
[ 1617.122024][   T10]      netlink_unicast+0x449/0x710
[ 1617.122024][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1617.122024][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1617.122024][   T10]      ___sys_sendmsg+0xee/0x170
[ 1617.122024][   T10]      __sys_sendmsg+0xcd/0x170
[ 1617.122024][   T10]      do_syscall_64+0xc6/0x1e0
[ 1617.122024][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1617.122024][   T10] 
[ 1617.124093][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1617.124093][   T10]      netdev_get_by_index+0x5e/0x80
[ 1617.124093][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1617.124093][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1617.124093][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1617.124093][   T10]      ipv6_add_addr+0x411/0x2000
[ 1617.124093][   T10]      inet6_addr_add+0x30e/0xa40
[ 1617.124093][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1617.124093][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1617.124093][   T10]      netlink_rcv_skb+0x130/0x360
[ 1617.124093][   T10]      netlink_unicast+0x449/0x710
[ 1617.124093][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1617.124093][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1617.124093][   T10]      ___sys_sendmsg+0xee/0x170
[ 1617.124093][   T10]      __sys_sendmsg+0xcd/0x170
[ 1617.124093][   T10]      do_syscall_64+0xc6/0x1e0
[ 1617.124093][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1617.124093][   T10] 
[ 1617.126162][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1617.126162][   T10]      netdev_get_by_index+0x5e/0x80
[ 1617.126162][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1617.126162][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1617.126162][   T10]      ip6_route_add+0x1c/0x140
[ 1617.126162][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1617.126162][   T10]      addrconf_add_dev+0xe2/0x170
[ 1617.126162][   T10]      inet6_addr_add+0x12f/0xa40
[ 1617.126162][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1617.126162][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1617.126162][   T10]      netlink_rcv_skb+0x130/0x360
[ 1617.126162][   T10]      netlink_unicast+0x449/0x710
[ 1617.126162][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1617.126162][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1617.126162][   T10]      ___sys_sendmsg+0xee/0x170
[ 1617.126162][   T10]      __sys_sendmsg+0xcd/0x170
[ 1617.126162][   T10]      do_syscall_64+0xc6/0x1e0
[ 1617.126162][   T10] 
[ 1617.128163][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1617.128163][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1617.128163][   T10]      ipv6_find_idev+0x102/0x170
[ 1617.128163][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1617.128163][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1617.128163][   T10]      netlink_rcv_skb+0x130/0x360
[ 1617.128163][   T10]      netlink_unicast+0x449/0x710
[ 1617.128163][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1617.128163][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1617.128163][   T10]      ___sys_sendmsg+0xee/0x170
[ 1617.128163][   T10]      __sys_sendmsg+0xcd/0x170
[ 1617.128163][   T10]      do_syscall_64+0xc6/0x1e0
[ 1617.128163][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1617.128163][   T10] 
[ 1617.129725][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1617.129725][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1617.129725][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1617.129725][   T10]      ipv6_find_idev+0x102/0x170
[ 1617.129725][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1617.129725][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1617.129725][   T10]      netlink_rcv_skb+0x130/0x360
[ 1617.129725][   T10]      netlink_unicast+0x449/0x710
[ 1617.129725][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1617.129725][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1617.129725][   T10]      ___sys_sendmsg+0xee/0x170
[ 1617.129725][   T10]      __sys_sendmsg+0xcd/0x170
[ 1617.129725][   T10]      do_syscall_64+0xc6/0x1e0
[ 1617.129725][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1617.129725][   T10] 
[ 1617.131447][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1617.131703][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1617.131703][   T10]      netdev_get_by_index+0x5e/0x80
[ 1617.131703][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1617.131703][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1617.131703][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1617.131703][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1617.131703][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1617.131703][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1617.131703][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1617.131703][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1617.131703][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1617.131703][   T10]      vfs_write+0x9e5/0x10a0
[ 1617.131703][   T10]      ksys_write+0xf5/0x1e0
[ 1617.131703][   T10]      do_syscall_64+0xc6/0x1e0
[ 1617.131703][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1617.131703][   T10] 
[ 1617.133529][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1617.133529][   T10]      netdev_get_by_index+0x5e/0x80
[ 1617.133529][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1617.133529][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1617.133529][   T10]      ip6_route_add+0x1c/0x140
[ 1617.133529][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1617.133529][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1617.133529][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1617.133529][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1617.133529][   T10]      netlink_rcv_skb+0x130/0x360
[ 1617.133529][   T10]      netlink_unicast+0x449/0x710
[ 1617.133529][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1617.133529][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1617.133529][   T10]      ___sys_sendmsg+0xee/0x170
[ 1617.133529][   T10]      __sys_sendmsg+0xcd/0x170
[ 1617.133529][   T10]      do_syscall_64+0xc6/0x1e0
[ 1617.133529][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1617.133529][   T10] 
[ 1617.135548][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1617.135548][   T10]      netdev_get_by_index+0x5e/0x80
[ 1617.135548][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1617.135548][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1617.135548][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1617.135548][   T10]      ipv6_add_addr+0x411/0x2000
[ 1617.135548][   T10]      inet6_addr_add+0x30e/0xa40
[ 1617.135548][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1617.135548][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1617.135548][   T10]      netlink_rcv_skb+0x130/0x360
[ 1617.135548][   T10]      netlink_unicast+0x449/0x710
[ 1617.135548][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1617.135548][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1617.135548][   T10]      ___sys_sendmsg+0xee/0x170
[ 1617.135548][   T10]      __sys_sendmsg+0xcd/0x170
[ 1617.135548][   T10]      do_syscall_64+0xc6/0x1e0
[ 1617.135548][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1617.135548][   T10] 
[ 1617.137575][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1617.137575][   T10]      netdev_get_by_index+0x5e/0x80
[ 1617.137575][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1617.137575][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1617.137575][   T10]      ip6_route_add+0x1c/0x140
[ 1617.137575][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1617.137575][   T10]      addrconf_add_dev+0xe2/0x170
[ 1617.137575][   T10]      inet6_addr_add+0x12f/0xa40
[ 1617.137575][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1617.137575][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1617.137575][   T10]      netlink_rcv_skb+0x130/0x360
[ 1617.137575][   T10]      netlink_unicast+0x449/0x710
[ 1617.137575][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1617.137575][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1617.137575][   T10]      ___sys_sendmsg+0xee/0x170
[ 1617.137575][   T10]      __sys_sendmsg+0xcd/0x170
[ 1617.137575][   T10]      do_syscall_64+0xc6/0x1e0
[ 1617.137575][   T10] 
[ 1617.139557][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1617.139557][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1617.139557][   T10]      ipv6_find_idev+0x102/0x170
[ 1617.139557][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1617.139557][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1617.139557][   T10]      netlink_rcv_skb+0x130/0x360
[ 1617.139557][   T10]      netlink_unicast+0x449/0x710
[ 1617.139557][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1617.139557][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1617.139557][   T10]      ___sys_sendmsg+0xee/0x170
[ 1617.139557][   T10]      __sys_sendmsg+0xcd/0x170
[ 1617.139557][   T10]      do_syscall_64+0xc6/0x1e0
[ 1617.139557][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1617.139557][   T10] 
[ 1617.141114][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1617.141114][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1617.141114][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1617.141114][   T10]      ipv6_find_idev+0x102/0x170
[ 1617.141114][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1617.141114][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1617.141114][   T10]      netlink_rcv_skb+0x130/0x360
[ 1617.141114][   T10]      netlink_unicast+0x449/0x710
[ 1617.141114][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1617.141114][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1617.141114][   T10]      ___sys_sendmsg+0xee/0x170
[ 1617.141114][   T10]      __sys_sendmsg+0xcd/0x170
[ 1617.141114][   T10]      do_syscall_64+0xc6/0x1e0
[ 1617.141114][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1617.141114][   T10] 
[ 1627.199778][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1627.200437][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1627.200437][   T10]      dst_init+0x84/0x4a0
[ 1627.200437][   T10]      dst_alloc+0x97/0x150
[ 1627.200437][   T10]      ip6_dst_alloc+0x23/0x90
[ 1627.200437][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1627.200437][   T10]      ip6_pol_route+0x56f/0x840
[ 1627.200437][   T10]      fib6_rule_lookup+0x456/0x630
[ 1627.200437][   T10]      ip6_route_input+0x59c/0xa50
[ 1627.200437][   T10]      ipv6_rcv+0x397/0x810
[ 1627.200437][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1627.200437][   T10]      process_backlog+0x101/0x620
[ 1627.200437][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1627.200437][   T10]      net_rx_action+0x495/0xbe0
[ 1627.200437][   T10]      __do_softirq+0x1b5/0x7f6
[ 1627.200437][   T10] 
[ 1627.203191][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1627.203191][   T10]      netdev_get_by_index+0x5e/0x80
[ 1627.203191][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1627.203191][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1627.203191][   T10]      ip6_route_add+0x1c/0x140
[ 1627.203191][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1627.203191][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1627.203191][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1627.203191][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1627.203191][   T10]      netlink_rcv_skb+0x130/0x360
[ 1627.203191][   T10]      netlink_unicast+0x449/0x710
[ 1627.203191][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1627.203191][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1627.203191][   T10]      ___sys_sendmsg+0xee/0x170
[ 1627.203191][   T10]      __sys_sendmsg+0xcd/0x170
[ 1627.203191][   T10]      do_syscall_64+0xc6/0x1e0
[ 1627.203191][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1627.203191][   T10] 
[ 1627.206384][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1627.206384][   T10]      netdev_get_by_index+0x5e/0x80
[ 1627.206384][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1627.206384][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1627.206384][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1627.206384][   T10]      ipv6_add_addr+0x411/0x2000
[ 1627.206384][   T10]      inet6_addr_add+0x30e/0xa40
[ 1627.206384][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1627.206384][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1627.206384][   T10]      netlink_rcv_skb+0x130/0x360
[ 1627.206384][   T10]      netlink_unicast+0x449/0x710
[ 1627.206384][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1627.206384][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1627.206384][   T10]      ___sys_sendmsg+0xee/0x170
[ 1627.206384][   T10]      __sys_sendmsg+0xcd/0x170
[ 1627.206384][   T10]      do_syscall_64+0xc6/0x1e0
[ 1627.206384][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1627.206384][   T10] 
[ 1627.208657][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1627.208657][   T10]      netdev_get_by_index+0x5e/0x80
[ 1627.208657][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1627.208657][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1627.208657][   T10]      ip6_route_add+0x1c/0x140
[ 1627.208657][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1627.208657][   T10]      addrconf_add_dev+0xe2/0x170
[ 1627.208657][   T10]      inet6_addr_add+0x12f/0xa40
[ 1627.208657][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1627.208657][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1627.208657][   T10]      netlink_rcv_skb+0x130/0x360
[ 1627.208657][   T10]      netlink_unicast+0x449/0x710
[ 1627.208657][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1627.208657][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1627.208657][   T10]      ___sys_sendmsg+0xee/0x170
[ 1627.208657][   T10]      __sys_sendmsg+0xcd/0x170
[ 1627.208657][   T10]      do_syscall_64+0xc6/0x1e0
[ 1627.208657][   T10] 
[ 1627.210864][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1627.210864][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1627.210864][   T10]      ipv6_find_idev+0x102/0x170
[ 1627.210864][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1627.210864][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1627.210864][   T10]      netlink_rcv_skb+0x130/0x360
[ 1627.210864][   T10]      netlink_unicast+0x449/0x710
[ 1627.210864][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1627.210864][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1627.210864][   T10]      ___sys_sendmsg+0xee/0x170
[ 1627.210864][   T10]      __sys_sendmsg+0xcd/0x170
[ 1627.210864][   T10]      do_syscall_64+0xc6/0x1e0
[ 1627.210864][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1627.210864][   T10] 
[ 1627.212578][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1627.212578][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1627.212578][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1627.212578][   T10]      ipv6_find_idev+0x102/0x170
[ 1627.212578][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1627.212578][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1627.212578][   T10]      netlink_rcv_skb+0x130/0x360
[ 1627.212578][   T10]      netlink_unicast+0x449/0x710
[ 1627.212578][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1627.212578][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1627.212578][   T10]      ___sys_sendmsg+0xee/0x170
[ 1627.212578][   T10]      __sys_sendmsg+0xcd/0x170
[ 1627.212578][   T10]      do_syscall_64+0xc6/0x1e0
[ 1627.212578][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1627.212578][   T10] 
[ 1627.215198][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1627.215642][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1627.215642][   T10]      netdev_get_by_index+0x5e/0x80
[ 1627.215642][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1627.215642][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1627.215642][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1627.215642][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1627.215642][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1627.215642][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1627.215642][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1627.215642][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1627.215642][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1627.215642][   T10]      vfs_write+0x9e5/0x10a0
[ 1627.215642][   T10]      ksys_write+0xf5/0x1e0
[ 1627.215642][   T10]      do_syscall_64+0xc6/0x1e0
[ 1627.215642][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1627.215642][   T10] 
[ 1627.218700][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1627.218700][   T10]      netdev_get_by_index+0x5e/0x80
[ 1627.218700][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1627.218700][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1627.218700][   T10]      ip6_route_add+0x1c/0x140
[ 1627.218700][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1627.218700][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1627.218700][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1627.218700][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1627.218700][   T10]      netlink_rcv_skb+0x130/0x360
[ 1627.218700][   T10]      netlink_unicast+0x449/0x710
[ 1627.218700][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1627.218700][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1627.218700][   T10]      ___sys_sendmsg+0xee/0x170
[ 1627.218700][   T10]      __sys_sendmsg+0xcd/0x170
[ 1627.218700][   T10]      do_syscall_64+0xc6/0x1e0
[ 1627.218700][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1627.218700][   T10] 
[ 1627.221945][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1627.221945][   T10]      netdev_get_by_index+0x5e/0x80
[ 1627.221945][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1627.221945][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1627.221945][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1627.221945][   T10]      ipv6_add_addr+0x411/0x2000
[ 1627.221945][   T10]      inet6_addr_add+0x30e/0xa40
[ 1627.221945][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1627.221945][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1627.221945][   T10]      netlink_rcv_skb+0x130/0x360
[ 1627.221945][   T10]      netlink_unicast+0x449/0x710
[ 1627.221945][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1627.221945][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1627.221945][   T10]      ___sys_sendmsg+0xee/0x170
[ 1627.221945][   T10]      __sys_sendmsg+0xcd/0x170
[ 1627.221945][   T10]      do_syscall_64+0xc6/0x1e0
[ 1627.221945][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1627.221945][   T10] 
[ 1627.224185][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1627.224185][   T10]      netdev_get_by_index+0x5e/0x80
[ 1627.224185][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1627.224185][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1627.224185][   T10]      ip6_route_add+0x1c/0x140
[ 1627.224185][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1627.224185][   T10]      addrconf_add_dev+0xe2/0x170
[ 1627.224185][   T10]      inet6_addr_add+0x12f/0xa40
[ 1627.224185][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1627.224185][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1627.224185][   T10]      netlink_rcv_skb+0x130/0x360
[ 1627.224185][   T10]      netlink_unicast+0x449/0x710
[ 1627.224185][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1627.224185][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1627.224185][   T10]      ___sys_sendmsg+0xee/0x170
[ 1627.224185][   T10]      __sys_sendmsg+0xcd/0x170
[ 1627.224185][   T10]      do_syscall_64+0xc6/0x1e0
[ 1627.224185][   T10] 
[ 1627.226393][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1627.226393][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1627.226393][   T10]      ipv6_find_idev+0x102/0x170
[ 1627.226393][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1627.226393][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1627.226393][   T10]      netlink_rcv_skb+0x130/0x360
[ 1627.226393][   T10]      netlink_unicast+0x449/0x710
[ 1627.226393][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1627.226393][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1627.226393][   T10]      ___sys_sendmsg+0xee/0x170
[ 1627.226393][   T10]      __sys_sendmsg+0xcd/0x170
[ 1627.226393][   T10]      do_syscall_64+0xc6/0x1e0
[ 1627.226393][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1627.226393][   T10] 
[ 1627.228121][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1627.228121][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1627.228121][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1627.228121][   T10]      ipv6_find_idev+0x102/0x170
[ 1627.228121][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1627.228121][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1627.228121][   T10]      netlink_rcv_skb+0x130/0x360
[ 1627.228121][   T10]      netlink_unicast+0x449/0x710
[ 1627.228121][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1627.228121][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1627.228121][   T10]      ___sys_sendmsg+0xee/0x170
[ 1627.228121][   T10]      __sys_sendmsg+0xcd/0x170
[ 1627.228121][   T10]      do_syscall_64+0xc6/0x1e0
[ 1627.228121][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1627.228121][   T10] 
[ 1637.471819][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1637.472314][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1637.472314][   T10]      dst_init+0x84/0x4a0
[ 1637.472314][   T10]      dst_alloc+0x97/0x150
[ 1637.472314][   T10]      ip6_dst_alloc+0x23/0x90
[ 1637.472314][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1637.472314][   T10]      ip6_pol_route+0x56f/0x840
[ 1637.472314][   T10]      fib6_rule_lookup+0x456/0x630
[ 1637.472314][   T10]      ip6_route_input+0x59c/0xa50
[ 1637.472314][   T10]      ipv6_rcv+0x397/0x810
[ 1637.472314][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1637.472314][   T10]      process_backlog+0x101/0x620
[ 1637.472314][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1637.472314][   T10]      net_rx_action+0x495/0xbe0
[ 1637.472314][   T10]      __do_softirq+0x1b5/0x7f6
[ 1637.472314][   T10] 
[ 1637.474174][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1637.474174][   T10]      netdev_get_by_index+0x5e/0x80
[ 1637.474174][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1637.474174][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1637.474174][   T10]      ip6_route_add+0x1c/0x140
[ 1637.474174][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1637.474174][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1637.474174][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1637.474174][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1637.474174][   T10]      netlink_rcv_skb+0x130/0x360
[ 1637.474174][   T10]      netlink_unicast+0x449/0x710
[ 1637.474174][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1637.474174][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1637.474174][   T10]      ___sys_sendmsg+0xee/0x170
[ 1637.474174][   T10]      __sys_sendmsg+0xcd/0x170
[ 1637.474174][   T10]      do_syscall_64+0xc6/0x1e0
[ 1637.474174][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1637.474174][   T10] 
[ 1637.476412][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1637.476412][   T10]      netdev_get_by_index+0x5e/0x80
[ 1637.476412][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1637.476412][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1637.476412][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1637.476412][   T10]      ipv6_add_addr+0x411/0x2000
[ 1637.476412][   T10]      inet6_addr_add+0x30e/0xa40
[ 1637.476412][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1637.476412][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1637.476412][   T10]      netlink_rcv_skb+0x130/0x360
[ 1637.476412][   T10]      netlink_unicast+0x449/0x710
[ 1637.476412][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1637.476412][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1637.476412][   T10]      ___sys_sendmsg+0xee/0x170
[ 1637.476412][   T10]      __sys_sendmsg+0xcd/0x170
[ 1637.476412][   T10]      do_syscall_64+0xc6/0x1e0
[ 1637.476412][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1637.476412][   T10] 
[ 1637.478644][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1637.478644][   T10]      netdev_get_by_index+0x5e/0x80
[ 1637.478644][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1637.478644][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1637.478644][   T10]      ip6_route_add+0x1c/0x140
[ 1637.478644][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1637.478644][   T10]      addrconf_add_dev+0xe2/0x170
[ 1637.478644][   T10]      inet6_addr_add+0x12f/0xa40
[ 1637.478644][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1637.478644][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1637.478644][   T10]      netlink_rcv_skb+0x130/0x360
[ 1637.478644][   T10]      netlink_unicast+0x449/0x710
[ 1637.478644][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1637.478644][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1637.478644][   T10]      ___sys_sendmsg+0xee/0x170
[ 1637.478644][   T10]      __sys_sendmsg+0xcd/0x170
[ 1637.478644][   T10]      do_syscall_64+0xc6/0x1e0
[ 1637.478644][   T10] 
[ 1637.480832][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1637.480832][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1637.480832][   T10]      ipv6_find_idev+0x102/0x170
[ 1637.480832][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1637.480832][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1637.480832][   T10]      netlink_rcv_skb+0x130/0x360
[ 1637.480832][   T10]      netlink_unicast+0x449/0x710
[ 1637.480832][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1637.480832][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1637.480832][   T10]      ___sys_sendmsg+0xee/0x170
[ 1637.480832][   T10]      __sys_sendmsg+0xcd/0x170
[ 1637.480832][   T10]      do_syscall_64+0xc6/0x1e0
[ 1637.480832][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1637.480832][   T10] 
[ 1637.482556][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1637.482556][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1637.482556][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1637.482556][   T10]      ipv6_find_idev+0x102/0x170
[ 1637.482556][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1637.482556][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1637.482556][   T10]      netlink_rcv_skb+0x130/0x360
[ 1637.482556][   T10]      netlink_unicast+0x449/0x710
[ 1637.482556][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1637.482556][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1637.482556][   T10]      ___sys_sendmsg+0xee/0x170
[ 1637.482556][   T10]      __sys_sendmsg+0xcd/0x170
[ 1637.482556][   T10]      do_syscall_64+0xc6/0x1e0
[ 1637.482556][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1637.482556][   T10] 
[ 1637.484440][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1637.484714][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1637.484714][   T10]      netdev_get_by_index+0x5e/0x80
[ 1637.484714][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1637.484714][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1637.484714][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1637.484714][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1637.484714][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1637.484714][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1637.484714][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1637.484714][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1637.484714][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1637.484714][   T10]      vfs_write+0x9e5/0x10a0
[ 1637.484714][   T10]      ksys_write+0xf5/0x1e0
[ 1637.484714][   T10]      do_syscall_64+0xc6/0x1e0
[ 1637.484714][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1637.484714][   T10] 
[ 1637.486728][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1637.486728][   T10]      netdev_get_by_index+0x5e/0x80
[ 1637.486728][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1637.486728][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1637.486728][   T10]      ip6_route_add+0x1c/0x140
[ 1637.486728][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1637.486728][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1637.486728][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1637.486728][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1637.486728][   T10]      netlink_rcv_skb+0x130/0x360
[ 1637.486728][   T10]      netlink_unicast+0x449/0x710
[ 1637.486728][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1637.486728][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1637.486728][   T10]      ___sys_sendmsg+0xee/0x170
[ 1637.486728][   T10]      __sys_sendmsg+0xcd/0x170
[ 1637.486728][   T10]      do_syscall_64+0xc6/0x1e0
[ 1637.486728][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1637.486728][   T10] 
[ 1637.488956][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1637.488956][   T10]      netdev_get_by_index+0x5e/0x80
[ 1637.488956][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1637.488956][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1637.488956][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1637.488956][   T10]      ipv6_add_addr+0x411/0x2000
[ 1637.488956][   T10]      inet6_addr_add+0x30e/0xa40
[ 1637.488956][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1637.488956][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1637.488956][   T10]      netlink_rcv_skb+0x130/0x360
[ 1637.488956][   T10]      netlink_unicast+0x449/0x710
[ 1637.488956][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1637.488956][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1637.488956][   T10]      ___sys_sendmsg+0xee/0x170
[ 1637.488956][   T10]      __sys_sendmsg+0xcd/0x170
[ 1637.488956][   T10]      do_syscall_64+0xc6/0x1e0
[ 1637.488956][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1637.488956][   T10] 
[ 1637.491189][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1637.491189][   T10]      netdev_get_by_index+0x5e/0x80
[ 1637.491189][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1637.491189][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1637.491189][   T10]      ip6_route_add+0x1c/0x140
[ 1637.491189][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1637.491189][   T10]      addrconf_add_dev+0xe2/0x170
[ 1637.491189][   T10]      inet6_addr_add+0x12f/0xa40
[ 1637.491189][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1637.491189][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1637.491189][   T10]      netlink_rcv_skb+0x130/0x360
[ 1637.491189][   T10]      netlink_unicast+0x449/0x710
[ 1637.491189][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1637.491189][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1637.491189][   T10]      ___sys_sendmsg+0xee/0x170
[ 1637.491189][   T10]      __sys_sendmsg+0xcd/0x170
[ 1637.491189][   T10]      do_syscall_64+0xc6/0x1e0
[ 1637.491189][   T10] 
[ 1637.493378][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1637.493378][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1637.493378][   T10]      ipv6_find_idev+0x102/0x170
[ 1637.493378][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1637.493378][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1637.493378][   T10]      netlink_rcv_skb+0x130/0x360
[ 1637.493378][   T10]      netlink_unicast+0x449/0x710
[ 1637.493378][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1637.493378][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1637.493378][   T10]      ___sys_sendmsg+0xee/0x170
[ 1637.493378][   T10]      __sys_sendmsg+0xcd/0x170
[ 1637.493378][   T10]      do_syscall_64+0xc6/0x1e0
[ 1637.493378][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1637.493378][   T10] 
[ 1637.495088][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1637.495088][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1637.495088][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1637.495088][   T10]      ipv6_find_idev+0x102/0x170
[ 1637.495088][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1637.495088][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1637.495088][   T10]      netlink_rcv_skb+0x130/0x360
[ 1637.495088][   T10]      netlink_unicast+0x449/0x710
[ 1637.495088][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1637.495088][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1637.495088][   T10]      ___sys_sendmsg+0xee/0x170
[ 1637.495088][   T10]      __sys_sendmsg+0xcd/0x170
[ 1637.495088][   T10]      do_syscall_64+0xc6/0x1e0
[ 1637.495088][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1637.495088][   T10] 
[ 1647.735798][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1647.736212][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1647.736212][   T10]      dst_init+0x84/0x4a0
[ 1647.736212][   T10]      dst_alloc+0x97/0x150
[ 1647.736212][   T10]      ip6_dst_alloc+0x23/0x90
[ 1647.736212][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1647.736212][   T10]      ip6_pol_route+0x56f/0x840
[ 1647.736212][   T10]      fib6_rule_lookup+0x456/0x630
[ 1647.736212][   T10]      ip6_route_input+0x59c/0xa50
[ 1647.736212][   T10]      ipv6_rcv+0x397/0x810
[ 1647.736212][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1647.736212][   T10]      process_backlog+0x101/0x620
[ 1647.736212][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1647.736212][   T10]      net_rx_action+0x495/0xbe0
[ 1647.736212][   T10]      __do_softirq+0x1b5/0x7f6
[ 1647.736212][   T10] 
[ 1647.737933][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1647.737933][   T10]      netdev_get_by_index+0x5e/0x80
[ 1647.737933][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1647.737933][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1647.737933][   T10]      ip6_route_add+0x1c/0x140
[ 1647.737933][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1647.737933][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1647.737933][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1647.737933][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1647.737933][   T10]      netlink_rcv_skb+0x130/0x360
[ 1647.737933][   T10]      netlink_unicast+0x449/0x710
[ 1647.737933][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1647.737933][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1647.737933][   T10]      ___sys_sendmsg+0xee/0x170
[ 1647.737933][   T10]      __sys_sendmsg+0xcd/0x170
[ 1647.737933][   T10]      do_syscall_64+0xc6/0x1e0
[ 1647.737933][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1647.737933][   T10] 
[ 1647.739953][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1647.739953][   T10]      netdev_get_by_index+0x5e/0x80
[ 1647.739953][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1647.739953][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1647.739953][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1647.739953][   T10]      ipv6_add_addr+0x411/0x2000
[ 1647.739953][   T10]      inet6_addr_add+0x30e/0xa40
[ 1647.739953][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1647.739953][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1647.739953][   T10]      netlink_rcv_skb+0x130/0x360
[ 1647.739953][   T10]      netlink_unicast+0x449/0x710
[ 1647.739953][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1647.739953][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1647.739953][   T10]      ___sys_sendmsg+0xee/0x170
[ 1647.739953][   T10]      __sys_sendmsg+0xcd/0x170
[ 1647.739953][   T10]      do_syscall_64+0xc6/0x1e0
[ 1647.739953][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1647.739953][   T10] 
[ 1647.741961][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1647.741961][   T10]      netdev_get_by_index+0x5e/0x80
[ 1647.741961][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1647.741961][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1647.741961][   T10]      ip6_route_add+0x1c/0x140
[ 1647.741961][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1647.741961][   T10]      addrconf_add_dev+0xe2/0x170
[ 1647.741961][   T10]      inet6_addr_add+0x12f/0xa40
[ 1647.741961][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1647.741961][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1647.741961][   T10]      netlink_rcv_skb+0x130/0x360
[ 1647.741961][   T10]      netlink_unicast+0x449/0x710
[ 1647.741961][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1647.741961][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1647.741961][   T10]      ___sys_sendmsg+0xee/0x170
[ 1647.741961][   T10]      __sys_sendmsg+0xcd/0x170
[ 1647.741961][   T10]      do_syscall_64+0xc6/0x1e0
[ 1647.741961][   T10] 
[ 1647.743928][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1647.743928][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1647.743928][   T10]      ipv6_find_idev+0x102/0x170
[ 1647.743928][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1647.743928][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1647.743928][   T10]      netlink_rcv_skb+0x130/0x360
[ 1647.743928][   T10]      netlink_unicast+0x449/0x710
[ 1647.743928][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1647.743928][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1647.743928][   T10]      ___sys_sendmsg+0xee/0x170
[ 1647.743928][   T10]      __sys_sendmsg+0xcd/0x170
[ 1647.743928][   T10]      do_syscall_64+0xc6/0x1e0
[ 1647.743928][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1647.743928][   T10] 
[ 1647.745484][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1647.745484][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1647.745484][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1647.745484][   T10]      ipv6_find_idev+0x102/0x170
[ 1647.745484][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1647.745484][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1647.745484][   T10]      netlink_rcv_skb+0x130/0x360
[ 1647.745484][   T10]      netlink_unicast+0x449/0x710
[ 1647.745484][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1647.745484][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1647.745484][   T10]      ___sys_sendmsg+0xee/0x170
[ 1647.745484][   T10]      __sys_sendmsg+0xcd/0x170
[ 1647.745484][   T10]      do_syscall_64+0xc6/0x1e0
[ 1647.745484][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1647.745484][   T10] 
[ 1647.747190][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1647.747444][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1647.747444][   T10]      netdev_get_by_index+0x5e/0x80
[ 1647.747444][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1647.747444][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1647.747444][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1647.747444][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1647.747444][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1647.747444][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1647.747444][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1647.747444][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1647.747444][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1647.747444][   T10]      vfs_write+0x9e5/0x10a0
[ 1647.747444][   T10]      ksys_write+0xf5/0x1e0
[ 1647.747444][   T10]      do_syscall_64+0xc6/0x1e0
[ 1647.747444][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1647.747444][   T10] 
[ 1647.749266][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1647.749266][   T10]      netdev_get_by_index+0x5e/0x80
[ 1647.749266][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1647.749266][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1647.749266][   T10]      ip6_route_add+0x1c/0x140
[ 1647.749266][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1647.749266][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1647.749266][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1647.749266][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1647.749266][   T10]      netlink_rcv_skb+0x130/0x360
[ 1647.749266][   T10]      netlink_unicast+0x449/0x710
[ 1647.749266][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1647.749266][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1647.749266][   T10]      ___sys_sendmsg+0xee/0x170
[ 1647.749266][   T10]      __sys_sendmsg+0xcd/0x170
[ 1647.749266][   T10]      do_syscall_64+0xc6/0x1e0
[ 1647.749266][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1647.749266][   T10] 
[ 1647.751274][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1647.751274][   T10]      netdev_get_by_index+0x5e/0x80
[ 1647.751274][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1647.751274][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1647.751274][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1647.751274][   T10]      ipv6_add_addr+0x411/0x2000
[ 1647.751274][   T10]      inet6_addr_add+0x30e/0xa40
[ 1647.751274][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1647.751274][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1647.751274][   T10]      netlink_rcv_skb+0x130/0x360
[ 1647.751274][   T10]      netlink_unicast+0x449/0x710
[ 1647.751274][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1647.751274][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1647.751274][   T10]      ___sys_sendmsg+0xee/0x170
[ 1647.751274][   T10]      __sys_sendmsg+0xcd/0x170
[ 1647.751274][   T10]      do_syscall_64+0xc6/0x1e0
[ 1647.751274][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1647.751274][   T10] 
[ 1647.753282][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1647.753282][   T10]      netdev_get_by_index+0x5e/0x80
[ 1647.753282][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1647.753282][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1647.753282][   T10]      ip6_route_add+0x1c/0x140
[ 1647.753282][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1647.753282][   T10]      addrconf_add_dev+0xe2/0x170
[ 1647.753282][   T10]      inet6_addr_add+0x12f/0xa40
[ 1647.753282][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1647.753282][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1647.753282][   T10]      netlink_rcv_skb+0x130/0x360
[ 1647.753282][   T10]      netlink_unicast+0x449/0x710
[ 1647.753282][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1647.753282][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1647.753282][   T10]      ___sys_sendmsg+0xee/0x170
[ 1647.753282][   T10]      __sys_sendmsg+0xcd/0x170
[ 1647.753282][   T10]      do_syscall_64+0xc6/0x1e0
[ 1647.753282][   T10] 
[ 1647.755258][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1647.755258][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1647.755258][   T10]      ipv6_find_idev+0x102/0x170
[ 1647.755258][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1647.755258][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1647.755258][   T10]      netlink_rcv_skb+0x130/0x360
[ 1647.755258][   T10]      netlink_unicast+0x449/0x710
[ 1647.755258][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1647.755258][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1647.755258][   T10]      ___sys_sendmsg+0xee/0x170
[ 1647.755258][   T10]      __sys_sendmsg+0xcd/0x170
[ 1647.755258][   T10]      do_syscall_64+0xc6/0x1e0
[ 1647.755258][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1647.755258][   T10] 
[ 1647.756812][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1647.756812][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1647.756812][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1647.756812][   T10]      ipv6_find_idev+0x102/0x170
[ 1647.756812][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1647.756812][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1647.756812][   T10]      netlink_rcv_skb+0x130/0x360
[ 1647.756812][   T10]      netlink_unicast+0x449/0x710
[ 1647.756812][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1647.756812][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1647.756812][   T10]      ___sys_sendmsg+0xee/0x170
[ 1647.756812][   T10]      __sys_sendmsg+0xcd/0x170
[ 1647.756812][   T10]      do_syscall_64+0xc6/0x1e0
[ 1647.756812][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1647.756812][   T10] 
[ 1657.967811][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1657.968243][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1657.968243][   T10]      dst_init+0x84/0x4a0
[ 1657.968243][   T10]      dst_alloc+0x97/0x150
[ 1657.968243][   T10]      ip6_dst_alloc+0x23/0x90
[ 1657.968243][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1657.968243][   T10]      ip6_pol_route+0x56f/0x840
[ 1657.968243][   T10]      fib6_rule_lookup+0x456/0x630
[ 1657.968243][   T10]      ip6_route_input+0x59c/0xa50
[ 1657.968243][   T10]      ipv6_rcv+0x397/0x810
[ 1657.968243][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1657.968243][   T10]      process_backlog+0x101/0x620
[ 1657.968243][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1657.968243][   T10]      net_rx_action+0x495/0xbe0
[ 1657.968243][   T10]      __do_softirq+0x1b5/0x7f6
[ 1657.968243][   T10] 
[ 1657.970138][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1657.970138][   T10]      netdev_get_by_index+0x5e/0x80
[ 1657.970138][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1657.970138][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1657.970138][   T10]      ip6_route_add+0x1c/0x140
[ 1657.970138][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1657.970138][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1657.970138][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1657.970138][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1657.970138][   T10]      netlink_rcv_skb+0x130/0x360
[ 1657.970138][   T10]      netlink_unicast+0x449/0x710
[ 1657.970138][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1657.970138][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1657.970138][   T10]      ___sys_sendmsg+0xee/0x170
[ 1657.970138][   T10]      __sys_sendmsg+0xcd/0x170
[ 1657.970138][   T10]      do_syscall_64+0xc6/0x1e0
[ 1657.970138][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1657.970138][   T10] 
[ 1657.972379][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1657.972379][   T10]      netdev_get_by_index+0x5e/0x80
[ 1657.972379][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1657.972379][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1657.972379][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1657.972379][   T10]      ipv6_add_addr+0x411/0x2000
[ 1657.972379][   T10]      inet6_addr_add+0x30e/0xa40
[ 1657.972379][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1657.972379][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1657.972379][   T10]      netlink_rcv_skb+0x130/0x360
[ 1657.972379][   T10]      netlink_unicast+0x449/0x710
[ 1657.972379][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1657.972379][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1657.972379][   T10]      ___sys_sendmsg+0xee/0x170
[ 1657.972379][   T10]      __sys_sendmsg+0xcd/0x170
[ 1657.972379][   T10]      do_syscall_64+0xc6/0x1e0
[ 1657.972379][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1657.972379][   T10] 
[ 1657.974658][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1657.974658][   T10]      netdev_get_by_index+0x5e/0x80
[ 1657.974658][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1657.974658][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1657.974658][   T10]      ip6_route_add+0x1c/0x140
[ 1657.974658][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1657.974658][   T10]      addrconf_add_dev+0xe2/0x170
[ 1657.974658][   T10]      inet6_addr_add+0x12f/0xa40
[ 1657.974658][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1657.974658][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1657.974658][   T10]      netlink_rcv_skb+0x130/0x360
[ 1657.974658][   T10]      netlink_unicast+0x449/0x710
[ 1657.974658][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1657.974658][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1657.974658][   T10]      ___sys_sendmsg+0xee/0x170
[ 1657.974658][   T10]      __sys_sendmsg+0xcd/0x170
[ 1657.974658][   T10]      do_syscall_64+0xc6/0x1e0
[ 1657.974658][   T10] 
[ 1657.976898][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1657.976898][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1657.976898][   T10]      ipv6_find_idev+0x102/0x170
[ 1657.976898][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1657.976898][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1657.976898][   T10]      netlink_rcv_skb+0x130/0x360
[ 1657.976898][   T10]      netlink_unicast+0x449/0x710
[ 1657.976898][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1657.976898][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1657.976898][   T10]      ___sys_sendmsg+0xee/0x170
[ 1657.976898][   T10]      __sys_sendmsg+0xcd/0x170
[ 1657.976898][   T10]      do_syscall_64+0xc6/0x1e0
[ 1657.976898][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1657.976898][   T10] 
[ 1657.978635][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1657.978635][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1657.978635][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1657.978635][   T10]      ipv6_find_idev+0x102/0x170
[ 1657.978635][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1657.978635][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1657.978635][   T10]      netlink_rcv_skb+0x130/0x360
[ 1657.978635][   T10]      netlink_unicast+0x449/0x710
[ 1657.978635][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1657.978635][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1657.978635][   T10]      ___sys_sendmsg+0xee/0x170
[ 1657.978635][   T10]      __sys_sendmsg+0xcd/0x170
[ 1657.978635][   T10]      do_syscall_64+0xc6/0x1e0
[ 1657.978635][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1657.978635][   T10] 
[ 1657.980537][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1657.980824][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1657.980824][   T10]      netdev_get_by_index+0x5e/0x80
[ 1657.980824][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1657.980824][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1657.980824][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1657.980824][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1657.980824][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1657.980824][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1657.980824][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1657.980824][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1657.980824][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1657.980824][   T10]      vfs_write+0x9e5/0x10a0
[ 1657.980824][   T10]      ksys_write+0xf5/0x1e0
[ 1657.980824][   T10]      do_syscall_64+0xc6/0x1e0
[ 1657.980824][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1657.980824][   T10] 
[ 1657.982863][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1657.982863][   T10]      netdev_get_by_index+0x5e/0x80
[ 1657.982863][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1657.982863][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1657.982863][   T10]      ip6_route_add+0x1c/0x140
[ 1657.982863][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1657.982863][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1657.982863][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1657.982863][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1657.982863][   T10]      netlink_rcv_skb+0x130/0x360
[ 1657.982863][   T10]      netlink_unicast+0x449/0x710
[ 1657.982863][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1657.982863][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1657.982863][   T10]      ___sys_sendmsg+0xee/0x170
[ 1657.982863][   T10]      __sys_sendmsg+0xcd/0x170
[ 1657.982863][   T10]      do_syscall_64+0xc6/0x1e0
[ 1657.982863][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1657.982863][   T10] 
[ 1657.985095][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1657.985095][   T10]      netdev_get_by_index+0x5e/0x80
[ 1657.985095][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1657.985095][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1657.985095][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1657.985095][   T10]      ipv6_add_addr+0x411/0x2000
[ 1657.985095][   T10]      inet6_addr_add+0x30e/0xa40
[ 1657.985095][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1657.985095][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1657.985095][   T10]      netlink_rcv_skb+0x130/0x360
[ 1657.985095][   T10]      netlink_unicast+0x449/0x710
[ 1657.985095][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1657.985095][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1657.985095][   T10]      ___sys_sendmsg+0xee/0x170
[ 1657.985095][   T10]      __sys_sendmsg+0xcd/0x170
[ 1657.985095][   T10]      do_syscall_64+0xc6/0x1e0
[ 1657.985095][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1657.985095][   T10] 
[ 1657.987364][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1657.987364][   T10]      netdev_get_by_index+0x5e/0x80
[ 1657.987364][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1657.987364][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1657.987364][   T10]      ip6_route_add+0x1c/0x140
[ 1657.987364][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1657.987364][   T10]      addrconf_add_dev+0xe2/0x170
[ 1657.987364][   T10]      inet6_addr_add+0x12f/0xa40
[ 1657.987364][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1657.987364][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1657.987364][   T10]      netlink_rcv_skb+0x130/0x360
[ 1657.987364][   T10]      netlink_unicast+0x449/0x710
[ 1657.987364][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1657.987364][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1657.987364][   T10]      ___sys_sendmsg+0xee/0x170
[ 1657.987364][   T10]      __sys_sendmsg+0xcd/0x170
[ 1657.987364][   T10]      do_syscall_64+0xc6/0x1e0
[ 1657.987364][   T10] 
[ 1657.989588][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1657.989588][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1657.989588][   T10]      ipv6_find_idev+0x102/0x170
[ 1657.989588][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1657.989588][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1657.989588][   T10]      netlink_rcv_skb+0x130/0x360
[ 1657.989588][   T10]      netlink_unicast+0x449/0x710
[ 1657.989588][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1657.989588][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1657.989588][   T10]      ___sys_sendmsg+0xee/0x170
[ 1657.989588][   T10]      __sys_sendmsg+0xcd/0x170
[ 1657.989588][   T10]      do_syscall_64+0xc6/0x1e0
[ 1657.989588][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1657.989588][   T10] 
[ 1657.991329][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1657.991329][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1657.991329][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1657.991329][   T10]      ipv6_find_idev+0x102/0x170
[ 1657.991329][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1657.991329][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1657.991329][   T10]      netlink_rcv_skb+0x130/0x360
[ 1657.991329][   T10]      netlink_unicast+0x449/0x710
[ 1657.991329][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1657.991329][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1657.991329][   T10]      ___sys_sendmsg+0xee/0x170
[ 1657.991329][   T10]      __sys_sendmsg+0xcd/0x170
[ 1657.991329][   T10]      do_syscall_64+0xc6/0x1e0
[ 1657.991329][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1657.991329][   T10] 
[ 1668.231797][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1668.232248][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1668.232248][   T10]      dst_init+0x84/0x4a0
[ 1668.232248][   T10]      dst_alloc+0x97/0x150
[ 1668.232248][   T10]      ip6_dst_alloc+0x23/0x90
[ 1668.232248][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1668.232248][   T10]      ip6_pol_route+0x56f/0x840
[ 1668.232248][   T10]      fib6_rule_lookup+0x456/0x630
[ 1668.232248][   T10]      ip6_route_input+0x59c/0xa50
[ 1668.232248][   T10]      ipv6_rcv+0x397/0x810
[ 1668.232248][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1668.232248][   T10]      process_backlog+0x101/0x620
[ 1668.232248][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1668.232248][   T10]      net_rx_action+0x495/0xbe0
[ 1668.232248][   T10]      __do_softirq+0x1b5/0x7f6
[ 1668.232248][   T10] 
[ 1668.233961][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1668.233961][   T10]      netdev_get_by_index+0x5e/0x80
[ 1668.233961][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1668.233961][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1668.233961][   T10]      ip6_route_add+0x1c/0x140
[ 1668.233961][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1668.233961][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1668.233961][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1668.233961][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1668.233961][   T10]      netlink_rcv_skb+0x130/0x360
[ 1668.233961][   T10]      netlink_unicast+0x449/0x710
[ 1668.233961][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1668.233961][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1668.233961][   T10]      ___sys_sendmsg+0xee/0x170
[ 1668.233961][   T10]      __sys_sendmsg+0xcd/0x170
[ 1668.233961][   T10]      do_syscall_64+0xc6/0x1e0
[ 1668.233961][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1668.233961][   T10] 
[ 1668.236035][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1668.236035][   T10]      netdev_get_by_index+0x5e/0x80
[ 1668.236035][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1668.236035][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1668.236035][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1668.236035][   T10]      ipv6_add_addr+0x411/0x2000
[ 1668.236035][   T10]      inet6_addr_add+0x30e/0xa40
[ 1668.236035][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1668.236035][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1668.236035][   T10]      netlink_rcv_skb+0x130/0x360
[ 1668.236035][   T10]      netlink_unicast+0x449/0x710
[ 1668.236035][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1668.236035][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1668.236035][   T10]      ___sys_sendmsg+0xee/0x170
[ 1668.236035][   T10]      __sys_sendmsg+0xcd/0x170
[ 1668.236035][   T10]      do_syscall_64+0xc6/0x1e0
[ 1668.236035][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1668.236035][   T10] 
[ 1668.238094][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1668.238094][   T10]      netdev_get_by_index+0x5e/0x80
[ 1668.238094][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1668.238094][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1668.238094][   T10]      ip6_route_add+0x1c/0x140
[ 1668.238094][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1668.238094][   T10]      addrconf_add_dev+0xe2/0x170
[ 1668.238094][   T10]      inet6_addr_add+0x12f/0xa40
[ 1668.238094][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1668.238094][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1668.238094][   T10]      netlink_rcv_skb+0x130/0x360
[ 1668.238094][   T10]      netlink_unicast+0x449/0x710
[ 1668.238094][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1668.238094][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1668.238094][   T10]      ___sys_sendmsg+0xee/0x170
[ 1668.238094][   T10]      __sys_sendmsg+0xcd/0x170
[ 1668.238094][   T10]      do_syscall_64+0xc6/0x1e0
[ 1668.238094][   T10] 
[ 1668.240103][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1668.240103][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1668.240103][   T10]      ipv6_find_idev+0x102/0x170
[ 1668.240103][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1668.240103][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1668.240103][   T10]      netlink_rcv_skb+0x130/0x360
[ 1668.240103][   T10]      netlink_unicast+0x449/0x710
[ 1668.240103][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1668.240103][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1668.240103][   T10]      ___sys_sendmsg+0xee/0x170
[ 1668.240103][   T10]      __sys_sendmsg+0xcd/0x170
[ 1668.240103][   T10]      do_syscall_64+0xc6/0x1e0
[ 1668.240103][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1668.240103][   T10] 
[ 1668.241676][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1668.241676][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1668.241676][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1668.241676][   T10]      ipv6_find_idev+0x102/0x170
[ 1668.241676][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1668.241676][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1668.241676][   T10]      netlink_rcv_skb+0x130/0x360
[ 1668.241676][   T10]      netlink_unicast+0x449/0x710
[ 1668.241676][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1668.241676][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1668.241676][   T10]      ___sys_sendmsg+0xee/0x170
[ 1668.241676][   T10]      __sys_sendmsg+0xcd/0x170
[ 1668.241676][   T10]      do_syscall_64+0xc6/0x1e0
[ 1668.241676][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1668.241676][   T10] 
[ 1668.243428][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1668.243691][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1668.243691][   T10]      netdev_get_by_index+0x5e/0x80
[ 1668.243691][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1668.243691][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1668.243691][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1668.243691][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1668.243691][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1668.243691][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1668.243691][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1668.243691][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1668.243691][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1668.243691][   T10]      vfs_write+0x9e5/0x10a0
[ 1668.243691][   T10]      ksys_write+0xf5/0x1e0
[ 1668.243691][   T10]      do_syscall_64+0xc6/0x1e0
[ 1668.243691][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1668.243691][   T10] 
[ 1668.245568][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1668.245568][   T10]      netdev_get_by_index+0x5e/0x80
[ 1668.245568][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1668.245568][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1668.245568][   T10]      ip6_route_add+0x1c/0x140
[ 1668.245568][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1668.245568][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1668.245568][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1668.245568][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1668.245568][   T10]      netlink_rcv_skb+0x130/0x360
[ 1668.245568][   T10]      netlink_unicast+0x449/0x710
[ 1668.245568][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1668.245568][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1668.245568][   T10]      ___sys_sendmsg+0xee/0x170
[ 1668.245568][   T10]      __sys_sendmsg+0xcd/0x170
[ 1668.245568][   T10]      do_syscall_64+0xc6/0x1e0
[ 1668.245568][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1668.245568][   T10] 
[ 1668.247613][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1668.247613][   T10]      netdev_get_by_index+0x5e/0x80
[ 1668.247613][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1668.247613][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1668.247613][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1668.247613][   T10]      ipv6_add_addr+0x411/0x2000
[ 1668.247613][   T10]      inet6_addr_add+0x30e/0xa40
[ 1668.247613][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1668.247613][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1668.247613][   T10]      netlink_rcv_skb+0x130/0x360
[ 1668.247613][   T10]      netlink_unicast+0x449/0x710
[ 1668.247613][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1668.247613][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1668.247613][   T10]      ___sys_sendmsg+0xee/0x170
[ 1668.247613][   T10]      __sys_sendmsg+0xcd/0x170
[ 1668.247613][   T10]      do_syscall_64+0xc6/0x1e0
[ 1668.247613][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1668.247613][   T10] 
[ 1668.249649][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1668.249649][   T10]      netdev_get_by_index+0x5e/0x80
[ 1668.249649][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1668.249649][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1668.249649][   T10]      ip6_route_add+0x1c/0x140
[ 1668.249649][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1668.249649][   T10]      addrconf_add_dev+0xe2/0x170
[ 1668.249649][   T10]      inet6_addr_add+0x12f/0xa40
[ 1668.249649][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1668.249649][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1668.249649][   T10]      netlink_rcv_skb+0x130/0x360
[ 1668.249649][   T10]      netlink_unicast+0x449/0x710
[ 1668.249649][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1668.249649][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1668.249649][   T10]      ___sys_sendmsg+0xee/0x170
[ 1668.249649][   T10]      __sys_sendmsg+0xcd/0x170
[ 1668.249649][   T10]      do_syscall_64+0xc6/0x1e0
[ 1668.249649][   T10] 
[ 1668.251649][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1668.251649][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1668.251649][   T10]      ipv6_find_idev+0x102/0x170
[ 1668.251649][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1668.251649][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1668.251649][   T10]      netlink_rcv_skb+0x130/0x360
[ 1668.251649][   T10]      netlink_unicast+0x449/0x710
[ 1668.251649][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1668.251649][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1668.251649][   T10]      ___sys_sendmsg+0xee/0x170
[ 1668.251649][   T10]      __sys_sendmsg+0xcd/0x170
[ 1668.251649][   T10]      do_syscall_64+0xc6/0x1e0
[ 1668.251649][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1668.251649][   T10] 
[ 1668.253217][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1668.253217][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1668.253217][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1668.253217][   T10]      ipv6_find_idev+0x102/0x170
[ 1668.253217][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1668.253217][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1668.253217][   T10]      netlink_rcv_skb+0x130/0x360
[ 1668.253217][   T10]      netlink_unicast+0x449/0x710
[ 1668.253217][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1668.253217][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1668.253217][   T10]      ___sys_sendmsg+0xee/0x170
[ 1668.253217][   T10]      __sys_sendmsg+0xcd/0x170
[ 1668.253217][   T10]      do_syscall_64+0xc6/0x1e0
[ 1668.253217][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1668.253217][   T10] 
[ 1678.495759][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1678.496395][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1678.496395][   T10]      dst_init+0x84/0x4a0
[ 1678.496395][   T10]      dst_alloc+0x97/0x150
[ 1678.496395][   T10]      ip6_dst_alloc+0x23/0x90
[ 1678.496395][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1678.496395][   T10]      ip6_pol_route+0x56f/0x840
[ 1678.496395][   T10]      fib6_rule_lookup+0x456/0x630
[ 1678.496395][   T10]      ip6_route_input+0x59c/0xa50
[ 1678.496395][   T10]      ipv6_rcv+0x397/0x810
[ 1678.496395][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1678.496395][   T10]      process_backlog+0x101/0x620
[ 1678.496395][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1678.496395][   T10]      net_rx_action+0x495/0xbe0
[ 1678.496395][   T10]      __do_softirq+0x1b5/0x7f6
[ 1678.496395][   T10] 
[ 1678.498945][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1678.498945][   T10]      netdev_get_by_index+0x5e/0x80
[ 1678.498945][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1678.498945][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1678.498945][   T10]      ip6_route_add+0x1c/0x140
[ 1678.498945][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1678.498945][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1678.498945][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1678.498945][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1678.498945][   T10]      netlink_rcv_skb+0x130/0x360
[ 1678.498945][   T10]      netlink_unicast+0x449/0x710
[ 1678.498945][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1678.498945][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1678.498945][   T10]      ___sys_sendmsg+0xee/0x170
[ 1678.498945][   T10]      __sys_sendmsg+0xcd/0x170
[ 1678.498945][   T10]      do_syscall_64+0xc6/0x1e0
[ 1678.498945][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1678.498945][   T10] 
[ 1678.501716][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1678.501716][   T10]      netdev_get_by_index+0x5e/0x80
[ 1678.501716][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1678.501716][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1678.501716][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1678.501716][   T10]      ipv6_add_addr+0x411/0x2000
[ 1678.501716][   T10]      inet6_addr_add+0x30e/0xa40
[ 1678.501716][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1678.501716][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1678.501716][   T10]      netlink_rcv_skb+0x130/0x360
[ 1678.501716][   T10]      netlink_unicast+0x449/0x710
[ 1678.501716][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1678.501716][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1678.501716][   T10]      ___sys_sendmsg+0xee/0x170
[ 1678.501716][   T10]      __sys_sendmsg+0xcd/0x170
[ 1678.501716][   T10]      do_syscall_64+0xc6/0x1e0
[ 1678.501716][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1678.501716][   T10] 
[ 1678.504728][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1678.504728][   T10]      netdev_get_by_index+0x5e/0x80
[ 1678.504728][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1678.504728][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1678.504728][   T10]      ip6_route_add+0x1c/0x140
[ 1678.504728][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1678.504728][   T10]      addrconf_add_dev+0xe2/0x170
[ 1678.504728][   T10]      inet6_addr_add+0x12f/0xa40
[ 1678.504728][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1678.504728][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1678.504728][   T10]      netlink_rcv_skb+0x130/0x360
[ 1678.504728][   T10]      netlink_unicast+0x449/0x710
[ 1678.504728][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1678.504728][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1678.504728][   T10]      ___sys_sendmsg+0xee/0x170
[ 1678.504728][   T10]      __sys_sendmsg+0xcd/0x170
[ 1678.504728][   T10]      do_syscall_64+0xc6/0x1e0
[ 1678.504728][   T10] 
[ 1678.507733][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1678.507733][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1678.507733][   T10]      ipv6_find_idev+0x102/0x170
[ 1678.507733][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1678.507733][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1678.507733][   T10]      netlink_rcv_skb+0x130/0x360
[ 1678.507733][   T10]      netlink_unicast+0x449/0x710
[ 1678.507733][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1678.507733][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1678.507733][   T10]      ___sys_sendmsg+0xee/0x170
[ 1678.507733][   T10]      __sys_sendmsg+0xcd/0x170
[ 1678.507733][   T10]      do_syscall_64+0xc6/0x1e0
[ 1678.507733][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1678.507733][   T10] 
[ 1678.510048][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1678.510048][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1678.510048][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1678.510048][   T10]      ipv6_find_idev+0x102/0x170
[ 1678.510048][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1678.510048][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1678.510048][   T10]      netlink_rcv_skb+0x130/0x360
[ 1678.510048][   T10]      netlink_unicast+0x449/0x710
[ 1678.510048][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1678.510048][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1678.510048][   T10]      ___sys_sendmsg+0xee/0x170
[ 1678.510048][   T10]      __sys_sendmsg+0xcd/0x170
[ 1678.510048][   T10]      do_syscall_64+0xc6/0x1e0
[ 1678.510048][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1678.510048][   T10] 
[ 1678.512434][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1678.512706][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1678.512706][   T10]      netdev_get_by_index+0x5e/0x80
[ 1678.512706][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1678.512706][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1678.512706][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1678.512706][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1678.512706][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1678.512706][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1678.512706][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1678.512706][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1678.512706][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1678.512706][   T10]      vfs_write+0x9e5/0x10a0
[ 1678.512706][   T10]      ksys_write+0xf5/0x1e0
[ 1678.512706][   T10]      do_syscall_64+0xc6/0x1e0
[ 1678.512706][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1678.512706][   T10] 
[ 1678.514572][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1678.514572][   T10]      netdev_get_by_index+0x5e/0x80
[ 1678.514572][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1678.514572][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1678.514572][   T10]      ip6_route_add+0x1c/0x140
[ 1678.514572][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1678.514572][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1678.514572][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1678.514572][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1678.514572][   T10]      netlink_rcv_skb+0x130/0x360
[ 1678.514572][   T10]      netlink_unicast+0x449/0x710
[ 1678.514572][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1678.514572][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1678.514572][   T10]      ___sys_sendmsg+0xee/0x170
[ 1678.514572][   T10]      __sys_sendmsg+0xcd/0x170
[ 1678.514572][   T10]      do_syscall_64+0xc6/0x1e0
[ 1678.514572][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1678.514572][   T10] 
[ 1678.516646][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1678.516646][   T10]      netdev_get_by_index+0x5e/0x80
[ 1678.516646][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1678.516646][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1678.516646][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1678.516646][   T10]      ipv6_add_addr+0x411/0x2000
[ 1678.516646][   T10]      inet6_addr_add+0x30e/0xa40
[ 1678.516646][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1678.516646][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1678.516646][   T10]      netlink_rcv_skb+0x130/0x360
[ 1678.516646][   T10]      netlink_unicast+0x449/0x710
[ 1678.516646][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1678.516646][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1678.516646][   T10]      ___sys_sendmsg+0xee/0x170
[ 1678.516646][   T10]      __sys_sendmsg+0xcd/0x170
[ 1678.516646][   T10]      do_syscall_64+0xc6/0x1e0
[ 1678.516646][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1678.516646][   T10] 
[ 1678.518683][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1678.518683][   T10]      netdev_get_by_index+0x5e/0x80
[ 1678.518683][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1678.518683][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1678.518683][   T10]      ip6_route_add+0x1c/0x140
[ 1678.518683][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1678.518683][   T10]      addrconf_add_dev+0xe2/0x170
[ 1678.518683][   T10]      inet6_addr_add+0x12f/0xa40
[ 1678.518683][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1678.518683][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1678.518683][   T10]      netlink_rcv_skb+0x130/0x360
[ 1678.518683][   T10]      netlink_unicast+0x449/0x710
[ 1678.518683][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1678.518683][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1678.518683][   T10]      ___sys_sendmsg+0xee/0x170
[ 1678.518683][   T10]      __sys_sendmsg+0xcd/0x170
[ 1678.518683][   T10]      do_syscall_64+0xc6/0x1e0
[ 1678.518683][   T10] 
[ 1678.520689][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1678.520689][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1678.520689][   T10]      ipv6_find_idev+0x102/0x170
[ 1678.520689][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1678.520689][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1678.520689][   T10]      netlink_rcv_skb+0x130/0x360
[ 1678.520689][   T10]      netlink_unicast+0x449/0x710
[ 1678.520689][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1678.520689][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1678.520689][   T10]      ___sys_sendmsg+0xee/0x170
[ 1678.520689][   T10]      __sys_sendmsg+0xcd/0x170
[ 1678.520689][   T10]      do_syscall_64+0xc6/0x1e0
[ 1678.520689][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1678.520689][   T10] 
[ 1678.522255][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1678.522255][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1678.522255][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1678.522255][   T10]      ipv6_find_idev+0x102/0x170
[ 1678.522255][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1678.522255][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1678.522255][   T10]      netlink_rcv_skb+0x130/0x360
[ 1678.522255][   T10]      netlink_unicast+0x449/0x710
[ 1678.522255][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1678.522255][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1678.522255][   T10]      ___sys_sendmsg+0xee/0x170
[ 1678.522255][   T10]      __sys_sendmsg+0xcd/0x170
[ 1678.522255][   T10]      do_syscall_64+0xc6/0x1e0
[ 1678.522255][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1678.522255][   T10] 
[ 1688.759745][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1688.760193][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1688.760193][   T10]      dst_init+0x84/0x4a0
[ 1688.760193][   T10]      dst_alloc+0x97/0x150
[ 1688.760193][   T10]      ip6_dst_alloc+0x23/0x90
[ 1688.760193][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1688.760193][   T10]      ip6_pol_route+0x56f/0x840
[ 1688.760193][   T10]      fib6_rule_lookup+0x456/0x630
[ 1688.760193][   T10]      ip6_route_input+0x59c/0xa50
[ 1688.760193][   T10]      ipv6_rcv+0x397/0x810
[ 1688.760193][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1688.760193][   T10]      process_backlog+0x101/0x620
[ 1688.760193][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1688.760193][   T10]      net_rx_action+0x495/0xbe0
[ 1688.760193][   T10]      __do_softirq+0x1b5/0x7f6
[ 1688.760193][   T10] 
[ 1688.761890][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1688.761890][   T10]      netdev_get_by_index+0x5e/0x80
[ 1688.761890][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1688.761890][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1688.761890][   T10]      ip6_route_add+0x1c/0x140
[ 1688.761890][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1688.761890][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1688.761890][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1688.761890][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1688.761890][   T10]      netlink_rcv_skb+0x130/0x360
[ 1688.761890][   T10]      netlink_unicast+0x449/0x710
[ 1688.761890][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1688.761890][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1688.761890][   T10]      ___sys_sendmsg+0xee/0x170
[ 1688.761890][   T10]      __sys_sendmsg+0xcd/0x170
[ 1688.761890][   T10]      do_syscall_64+0xc6/0x1e0
[ 1688.761890][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1688.761890][   T10] 
[ 1688.763949][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1688.763949][   T10]      netdev_get_by_index+0x5e/0x80
[ 1688.763949][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1688.763949][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1688.763949][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1688.763949][   T10]      ipv6_add_addr+0x411/0x2000
[ 1688.763949][   T10]      inet6_addr_add+0x30e/0xa40
[ 1688.763949][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1688.763949][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1688.763949][   T10]      netlink_rcv_skb+0x130/0x360
[ 1688.763949][   T10]      netlink_unicast+0x449/0x710
[ 1688.763949][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1688.763949][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1688.763949][   T10]      ___sys_sendmsg+0xee/0x170
[ 1688.763949][   T10]      __sys_sendmsg+0xcd/0x170
[ 1688.763949][   T10]      do_syscall_64+0xc6/0x1e0
[ 1688.763949][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1688.763949][   T10] 
[ 1688.765987][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1688.765987][   T10]      netdev_get_by_index+0x5e/0x80
[ 1688.765987][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1688.765987][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1688.765987][   T10]      ip6_route_add+0x1c/0x140
[ 1688.765987][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1688.765987][   T10]      addrconf_add_dev+0xe2/0x170
[ 1688.765987][   T10]      inet6_addr_add+0x12f/0xa40
[ 1688.765987][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1688.765987][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1688.765987][   T10]      netlink_rcv_skb+0x130/0x360
[ 1688.765987][   T10]      netlink_unicast+0x449/0x710
[ 1688.765987][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1688.765987][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1688.765987][   T10]      ___sys_sendmsg+0xee/0x170
[ 1688.765987][   T10]      __sys_sendmsg+0xcd/0x170
[ 1688.765987][   T10]      do_syscall_64+0xc6/0x1e0
[ 1688.765987][   T10] 
[ 1688.768022][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1688.768022][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1688.768022][   T10]      ipv6_find_idev+0x102/0x170
[ 1688.768022][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1688.768022][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1688.768022][   T10]      netlink_rcv_skb+0x130/0x360
[ 1688.768022][   T10]      netlink_unicast+0x449/0x710
[ 1688.768022][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1688.768022][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1688.768022][   T10]      ___sys_sendmsg+0xee/0x170
[ 1688.768022][   T10]      __sys_sendmsg+0xcd/0x170
[ 1688.768022][   T10]      do_syscall_64+0xc6/0x1e0
[ 1688.768022][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1688.768022][   T10] 
[ 1688.769623][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1688.769623][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1688.769623][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1688.769623][   T10]      ipv6_find_idev+0x102/0x170
[ 1688.769623][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1688.769623][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1688.769623][   T10]      netlink_rcv_skb+0x130/0x360
[ 1688.769623][   T10]      netlink_unicast+0x449/0x710
[ 1688.769623][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1688.769623][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1688.769623][   T10]      ___sys_sendmsg+0xee/0x170
[ 1688.769623][   T10]      __sys_sendmsg+0xcd/0x170
[ 1688.769623][   T10]      do_syscall_64+0xc6/0x1e0
[ 1688.769623][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1688.769623][   T10] 
[ 1688.771412][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1688.771676][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1688.771676][   T10]      netdev_get_by_index+0x5e/0x80
[ 1688.771676][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1688.771676][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1688.771676][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1688.771676][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1688.771676][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1688.771676][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1688.771676][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1688.771676][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1688.771676][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1688.771676][   T10]      vfs_write+0x9e5/0x10a0
[ 1688.771676][   T10]      ksys_write+0xf5/0x1e0
[ 1688.771676][   T10]      do_syscall_64+0xc6/0x1e0
[ 1688.771676][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1688.771676][   T10] 
[ 1688.773562][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1688.773562][   T10]      netdev_get_by_index+0x5e/0x80
[ 1688.773562][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1688.773562][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1688.773562][   T10]      ip6_route_add+0x1c/0x140
[ 1688.773562][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1688.773562][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1688.773562][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1688.773562][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1688.773562][   T10]      netlink_rcv_skb+0x130/0x360
[ 1688.773562][   T10]      netlink_unicast+0x449/0x710
[ 1688.773562][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1688.773562][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1688.773562][   T10]      ___sys_sendmsg+0xee/0x170
[ 1688.773562][   T10]      __sys_sendmsg+0xcd/0x170
[ 1688.773562][   T10]      do_syscall_64+0xc6/0x1e0
[ 1688.773562][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1688.773562][   T10] 
[ 1688.775609][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1688.775609][   T10]      netdev_get_by_index+0x5e/0x80
[ 1688.775609][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1688.775609][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1688.775609][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1688.775609][   T10]      ipv6_add_addr+0x411/0x2000
[ 1688.775609][   T10]      inet6_addr_add+0x30e/0xa40
[ 1688.775609][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1688.775609][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1688.775609][   T10]      netlink_rcv_skb+0x130/0x360
[ 1688.775609][   T10]      netlink_unicast+0x449/0x710
[ 1688.775609][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1688.775609][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1688.775609][   T10]      ___sys_sendmsg+0xee/0x170
[ 1688.775609][   T10]      __sys_sendmsg+0xcd/0x170
[ 1688.775609][   T10]      do_syscall_64+0xc6/0x1e0
[ 1688.775609][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1688.775609][   T10] 
[ 1688.777662][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1688.777662][   T10]      netdev_get_by_index+0x5e/0x80
[ 1688.777662][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1688.777662][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1688.777662][   T10]      ip6_route_add+0x1c/0x140
[ 1688.777662][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1688.777662][   T10]      addrconf_add_dev+0xe2/0x170
[ 1688.777662][   T10]      inet6_addr_add+0x12f/0xa40
[ 1688.777662][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1688.777662][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1688.777662][   T10]      netlink_rcv_skb+0x130/0x360
[ 1688.777662][   T10]      netlink_unicast+0x449/0x710
[ 1688.777662][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1688.777662][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1688.777662][   T10]      ___sys_sendmsg+0xee/0x170
[ 1688.777662][   T10]      __sys_sendmsg+0xcd/0x170
[ 1688.777662][   T10]      do_syscall_64+0xc6/0x1e0
[ 1688.777662][   T10] 
[ 1688.779660][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1688.779660][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1688.779660][   T10]      ipv6_find_idev+0x102/0x170
[ 1688.779660][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1688.779660][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1688.779660][   T10]      netlink_rcv_skb+0x130/0x360
[ 1688.779660][   T10]      netlink_unicast+0x449/0x710
[ 1688.779660][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1688.779660][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1688.779660][   T10]      ___sys_sendmsg+0xee/0x170
[ 1688.779660][   T10]      __sys_sendmsg+0xcd/0x170
[ 1688.779660][   T10]      do_syscall_64+0xc6/0x1e0
[ 1688.779660][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1688.779660][   T10] 
[ 1688.781236][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1688.781236][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1688.781236][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1688.781236][   T10]      ipv6_find_idev+0x102/0x170
[ 1688.781236][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1688.781236][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1688.781236][   T10]      netlink_rcv_skb+0x130/0x360
[ 1688.781236][   T10]      netlink_unicast+0x449/0x710
[ 1688.781236][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1688.781236][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1688.781236][   T10]      ___sys_sendmsg+0xee/0x170
[ 1688.781236][   T10]      __sys_sendmsg+0xcd/0x170
[ 1688.781236][   T10]      do_syscall_64+0xc6/0x1e0
[ 1688.781236][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1688.781236][   T10] 
[ 1699.023728][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1699.024169][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1699.024169][   T10]      dst_init+0x84/0x4a0
[ 1699.024169][   T10]      dst_alloc+0x97/0x150
[ 1699.024169][   T10]      ip6_dst_alloc+0x23/0x90
[ 1699.024169][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1699.024169][   T10]      ip6_pol_route+0x56f/0x840
[ 1699.024169][   T10]      fib6_rule_lookup+0x456/0x630
[ 1699.024169][   T10]      ip6_route_input+0x59c/0xa50
[ 1699.024169][   T10]      ipv6_rcv+0x397/0x810
[ 1699.024169][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1699.024169][   T10]      process_backlog+0x101/0x620
[ 1699.024169][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1699.024169][   T10]      net_rx_action+0x495/0xbe0
[ 1699.024169][   T10]      __do_softirq+0x1b5/0x7f6
[ 1699.024169][   T10] 
[ 1699.025901][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1699.025901][   T10]      netdev_get_by_index+0x5e/0x80
[ 1699.025901][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1699.025901][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1699.025901][   T10]      ip6_route_add+0x1c/0x140
[ 1699.025901][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1699.025901][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1699.025901][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1699.025901][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1699.025901][   T10]      netlink_rcv_skb+0x130/0x360
[ 1699.025901][   T10]      netlink_unicast+0x449/0x710
[ 1699.025901][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1699.025901][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1699.025901][   T10]      ___sys_sendmsg+0xee/0x170
[ 1699.025901][   T10]      __sys_sendmsg+0xcd/0x170
[ 1699.025901][   T10]      do_syscall_64+0xc6/0x1e0
[ 1699.025901][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1699.025901][   T10] 
[ 1699.027948][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1699.027948][   T10]      netdev_get_by_index+0x5e/0x80
[ 1699.027948][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1699.027948][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1699.027948][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1699.027948][   T10]      ipv6_add_addr+0x411/0x2000
[ 1699.027948][   T10]      inet6_addr_add+0x30e/0xa40
[ 1699.027948][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1699.027948][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1699.027948][   T10]      netlink_rcv_skb+0x130/0x360
[ 1699.027948][   T10]      netlink_unicast+0x449/0x710
[ 1699.027948][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1699.027948][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1699.027948][   T10]      ___sys_sendmsg+0xee/0x170
[ 1699.027948][   T10]      __sys_sendmsg+0xcd/0x170
[ 1699.027948][   T10]      do_syscall_64+0xc6/0x1e0
[ 1699.027948][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1699.027948][   T10] 
[ 1699.029978][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1699.029978][   T10]      netdev_get_by_index+0x5e/0x80
[ 1699.029978][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1699.029978][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1699.029978][   T10]      ip6_route_add+0x1c/0x140
[ 1699.029978][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1699.029978][   T10]      addrconf_add_dev+0xe2/0x170
[ 1699.029978][   T10]      inet6_addr_add+0x12f/0xa40
[ 1699.029978][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1699.029978][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1699.029978][   T10]      netlink_rcv_skb+0x130/0x360
[ 1699.029978][   T10]      netlink_unicast+0x449/0x710
[ 1699.029978][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1699.029978][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1699.029978][   T10]      ___sys_sendmsg+0xee/0x170
[ 1699.029978][   T10]      __sys_sendmsg+0xcd/0x170
[ 1699.029978][   T10]      do_syscall_64+0xc6/0x1e0
[ 1699.029978][   T10] 
[ 1699.032000][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1699.032000][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1699.032000][   T10]      ipv6_find_idev+0x102/0x170
[ 1699.032000][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1699.032000][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1699.032000][   T10]      netlink_rcv_skb+0x130/0x360
[ 1699.032000][   T10]      netlink_unicast+0x449/0x710
[ 1699.032000][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1699.032000][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1699.032000][   T10]      ___sys_sendmsg+0xee/0x170
[ 1699.032000][   T10]      __sys_sendmsg+0xcd/0x170
[ 1699.032000][   T10]      do_syscall_64+0xc6/0x1e0
[ 1699.032000][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1699.032000][   T10] 
[ 1699.033571][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1699.033571][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1699.033571][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1699.033571][   T10]      ipv6_find_idev+0x102/0x170
[ 1699.033571][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1699.033571][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1699.033571][   T10]      netlink_rcv_skb+0x130/0x360
[ 1699.033571][   T10]      netlink_unicast+0x449/0x710
[ 1699.033571][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1699.033571][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1699.033571][   T10]      ___sys_sendmsg+0xee/0x170
[ 1699.033571][   T10]      __sys_sendmsg+0xcd/0x170
[ 1699.033571][   T10]      do_syscall_64+0xc6/0x1e0
[ 1699.033571][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1699.033571][   T10] 
[ 1699.035308][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1699.035580][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1699.035580][   T10]      netdev_get_by_index+0x5e/0x80
[ 1699.035580][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1699.035580][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1699.035580][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1699.035580][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1699.035580][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1699.035580][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1699.035580][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1699.035580][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1699.035580][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1699.035580][   T10]      vfs_write+0x9e5/0x10a0
[ 1699.035580][   T10]      ksys_write+0xf5/0x1e0
[ 1699.035580][   T10]      do_syscall_64+0xc6/0x1e0
[ 1699.035580][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1699.035580][   T10] 
[ 1699.037439][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1699.037439][   T10]      netdev_get_by_index+0x5e/0x80
[ 1699.037439][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1699.037439][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1699.037439][   T10]      ip6_route_add+0x1c/0x140
[ 1699.037439][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1699.037439][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1699.037439][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1699.037439][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1699.037439][   T10]      netlink_rcv_skb+0x130/0x360
[ 1699.037439][   T10]      netlink_unicast+0x449/0x710
[ 1699.037439][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1699.037439][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1699.037439][   T10]      ___sys_sendmsg+0xee/0x170
[ 1699.037439][   T10]      __sys_sendmsg+0xcd/0x170
[ 1699.037439][   T10]      do_syscall_64+0xc6/0x1e0
[ 1699.037439][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1699.037439][   T10] 
[ 1699.039473][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1699.039473][   T10]      netdev_get_by_index+0x5e/0x80
[ 1699.039473][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1699.039473][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1699.039473][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1699.039473][   T10]      ipv6_add_addr+0x411/0x2000
[ 1699.039473][   T10]      inet6_addr_add+0x30e/0xa40
[ 1699.039473][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1699.039473][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1699.039473][   T10]      netlink_rcv_skb+0x130/0x360
[ 1699.039473][   T10]      netlink_unicast+0x449/0x710
[ 1699.039473][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1699.039473][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1699.039473][   T10]      ___sys_sendmsg+0xee/0x170
[ 1699.039473][   T10]      __sys_sendmsg+0xcd/0x170
[ 1699.039473][   T10]      do_syscall_64+0xc6/0x1e0
[ 1699.039473][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1699.039473][   T10] 
[ 1699.041499][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1699.041499][   T10]      netdev_get_by_index+0x5e/0x80
[ 1699.041499][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1699.041499][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1699.041499][   T10]      ip6_route_add+0x1c/0x140
[ 1699.041499][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1699.041499][   T10]      addrconf_add_dev+0xe2/0x170
[ 1699.041499][   T10]      inet6_addr_add+0x12f/0xa40
[ 1699.041499][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1699.041499][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1699.041499][   T10]      netlink_rcv_skb+0x130/0x360
[ 1699.041499][   T10]      netlink_unicast+0x449/0x710
[ 1699.041499][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1699.041499][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1699.041499][   T10]      ___sys_sendmsg+0xee/0x170
[ 1699.041499][   T10]      __sys_sendmsg+0xcd/0x170
[ 1699.041499][   T10]      do_syscall_64+0xc6/0x1e0
[ 1699.041499][   T10] 
[ 1699.043506][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1699.043506][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1699.043506][   T10]      ipv6_find_idev+0x102/0x170
[ 1699.043506][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1699.043506][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1699.043506][   T10]      netlink_rcv_skb+0x130/0x360
[ 1699.043506][   T10]      netlink_unicast+0x449/0x710
[ 1699.043506][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1699.043506][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1699.043506][   T10]      ___sys_sendmsg+0xee/0x170
[ 1699.043506][   T10]      __sys_sendmsg+0xcd/0x170
[ 1699.043506][   T10]      do_syscall_64+0xc6/0x1e0
[ 1699.043506][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1699.043506][   T10] 
[ 1699.045065][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1699.045065][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1699.045065][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1699.045065][   T10]      ipv6_find_idev+0x102/0x170
[ 1699.045065][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1699.045065][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1699.045065][   T10]      netlink_rcv_skb+0x130/0x360
[ 1699.045065][   T10]      netlink_unicast+0x449/0x710
[ 1699.045065][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1699.045065][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1699.045065][   T10]      ___sys_sendmsg+0xee/0x170
[ 1699.045065][   T10]      __sys_sendmsg+0xcd/0x170
[ 1699.045065][   T10]      do_syscall_64+0xc6/0x1e0
[ 1699.045065][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1699.045065][   T10] 
[ 1709.295811][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1709.296278][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1709.296278][   T10]      dst_init+0x84/0x4a0
[ 1709.296278][   T10]      dst_alloc+0x97/0x150
[ 1709.296278][   T10]      ip6_dst_alloc+0x23/0x90
[ 1709.296278][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1709.296278][   T10]      ip6_pol_route+0x56f/0x840
[ 1709.296278][   T10]      fib6_rule_lookup+0x456/0x630
[ 1709.296278][   T10]      ip6_route_input+0x59c/0xa50
[ 1709.296278][   T10]      ipv6_rcv+0x397/0x810
[ 1709.296278][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1709.296278][   T10]      process_backlog+0x101/0x620
[ 1709.296278][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1709.296278][   T10]      net_rx_action+0x495/0xbe0
[ 1709.296278][   T10]      __do_softirq+0x1b5/0x7f6
[ 1709.296278][   T10] 
[ 1709.297994][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1709.297994][   T10]      netdev_get_by_index+0x5e/0x80
[ 1709.297994][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1709.297994][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1709.297994][   T10]      ip6_route_add+0x1c/0x140
[ 1709.297994][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1709.297994][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1709.297994][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1709.297994][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1709.297994][   T10]      netlink_rcv_skb+0x130/0x360
[ 1709.297994][   T10]      netlink_unicast+0x449/0x710
[ 1709.297994][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1709.297994][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1709.297994][   T10]      ___sys_sendmsg+0xee/0x170
[ 1709.297994][   T10]      __sys_sendmsg+0xcd/0x170
[ 1709.297994][   T10]      do_syscall_64+0xc6/0x1e0
[ 1709.297994][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1709.297994][   T10] 
[ 1709.300005][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1709.300005][   T10]      netdev_get_by_index+0x5e/0x80
[ 1709.300005][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1709.300005][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1709.300005][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1709.300005][   T10]      ipv6_add_addr+0x411/0x2000
[ 1709.300005][   T10]      inet6_addr_add+0x30e/0xa40
[ 1709.300005][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1709.300005][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1709.300005][   T10]      netlink_rcv_skb+0x130/0x360
[ 1709.300005][   T10]      netlink_unicast+0x449/0x710
[ 1709.300005][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1709.300005][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1709.300005][   T10]      ___sys_sendmsg+0xee/0x170
[ 1709.300005][   T10]      __sys_sendmsg+0xcd/0x170
[ 1709.300005][   T10]      do_syscall_64+0xc6/0x1e0
[ 1709.300005][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1709.300005][   T10] 
[ 1709.302010][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1709.302010][   T10]      netdev_get_by_index+0x5e/0x80
[ 1709.302010][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1709.302010][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1709.302010][   T10]      ip6_route_add+0x1c/0x140
[ 1709.302010][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1709.302010][   T10]      addrconf_add_dev+0xe2/0x170
[ 1709.302010][   T10]      inet6_addr_add+0x12f/0xa40
[ 1709.302010][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1709.302010][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1709.302010][   T10]      netlink_rcv_skb+0x130/0x360
[ 1709.302010][   T10]      netlink_unicast+0x449/0x710
[ 1709.302010][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1709.302010][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1709.302010][   T10]      ___sys_sendmsg+0xee/0x170
[ 1709.302010][   T10]      __sys_sendmsg+0xcd/0x170
[ 1709.302010][   T10]      do_syscall_64+0xc6/0x1e0
[ 1709.302010][   T10] 
[ 1709.303971][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1709.303971][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1709.303971][   T10]      ipv6_find_idev+0x102/0x170
[ 1709.303971][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1709.303971][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1709.303971][   T10]      netlink_rcv_skb+0x130/0x360
[ 1709.303971][   T10]      netlink_unicast+0x449/0x710
[ 1709.303971][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1709.303971][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1709.303971][   T10]      ___sys_sendmsg+0xee/0x170
[ 1709.303971][   T10]      __sys_sendmsg+0xcd/0x170
[ 1709.303971][   T10]      do_syscall_64+0xc6/0x1e0
[ 1709.303971][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1709.303971][   T10] 
[ 1709.305512][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1709.305512][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1709.305512][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1709.305512][   T10]      ipv6_find_idev+0x102/0x170
[ 1709.305512][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1709.305512][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1709.305512][   T10]      netlink_rcv_skb+0x130/0x360
[ 1709.305512][   T10]      netlink_unicast+0x449/0x710
[ 1709.305512][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1709.305512][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1709.305512][   T10]      ___sys_sendmsg+0xee/0x170
[ 1709.305512][   T10]      __sys_sendmsg+0xcd/0x170
[ 1709.305512][   T10]      do_syscall_64+0xc6/0x1e0
[ 1709.305512][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1709.305512][   T10] 
[ 1709.307220][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1709.307468][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1709.307468][   T10]      netdev_get_by_index+0x5e/0x80
[ 1709.307468][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1709.307468][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1709.307468][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1709.307468][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1709.307468][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1709.307468][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1709.307468][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1709.307468][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1709.307468][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1709.307468][   T10]      vfs_write+0x9e5/0x10a0
[ 1709.307468][   T10]      ksys_write+0xf5/0x1e0
[ 1709.307468][   T10]      do_syscall_64+0xc6/0x1e0
[ 1709.307468][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1709.307468][   T10] 
[ 1709.309286][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1709.309286][   T10]      netdev_get_by_index+0x5e/0x80
[ 1709.309286][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1709.309286][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1709.309286][   T10]      ip6_route_add+0x1c/0x140
[ 1709.309286][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1709.309286][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1709.309286][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1709.309286][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1709.309286][   T10]      netlink_rcv_skb+0x130/0x360
[ 1709.309286][   T10]      netlink_unicast+0x449/0x710
[ 1709.309286][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1709.309286][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1709.309286][   T10]      ___sys_sendmsg+0xee/0x170
[ 1709.309286][   T10]      __sys_sendmsg+0xcd/0x170
[ 1709.309286][   T10]      do_syscall_64+0xc6/0x1e0
[ 1709.309286][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1709.309286][   T10] 
[ 1709.311386][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1709.311386][   T10]      netdev_get_by_index+0x5e/0x80
[ 1709.311386][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1709.311386][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1709.311386][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1709.311386][   T10]      ipv6_add_addr+0x411/0x2000
[ 1709.311386][   T10]      inet6_addr_add+0x30e/0xa40
[ 1709.311386][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1709.311386][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1709.311386][   T10]      netlink_rcv_skb+0x130/0x360
[ 1709.311386][   T10]      netlink_unicast+0x449/0x710
[ 1709.311386][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1709.311386][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1709.311386][   T10]      ___sys_sendmsg+0xee/0x170
[ 1709.311386][   T10]      __sys_sendmsg+0xcd/0x170
[ 1709.311386][   T10]      do_syscall_64+0xc6/0x1e0
[ 1709.311386][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1709.311386][   T10] 
[ 1709.313385][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1709.313385][   T10]      netdev_get_by_index+0x5e/0x80
[ 1709.313385][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1709.313385][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1709.313385][   T10]      ip6_route_add+0x1c/0x140
[ 1709.313385][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1709.313385][   T10]      addrconf_add_dev+0xe2/0x170
[ 1709.313385][   T10]      inet6_addr_add+0x12f/0xa40
[ 1709.313385][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1709.313385][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1709.313385][   T10]      netlink_rcv_skb+0x130/0x360
[ 1709.313385][   T10]      netlink_unicast+0x449/0x710
[ 1709.313385][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1709.313385][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1709.313385][   T10]      ___sys_sendmsg+0xee/0x170
[ 1709.313385][   T10]      __sys_sendmsg+0xcd/0x170
[ 1709.313385][   T10]      do_syscall_64+0xc6/0x1e0
[ 1709.313385][   T10] 
[ 1709.315351][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1709.315351][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1709.315351][   T10]      ipv6_find_idev+0x102/0x170
[ 1709.315351][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1709.315351][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1709.315351][   T10]      netlink_rcv_skb+0x130/0x360
[ 1709.315351][   T10]      netlink_unicast+0x449/0x710
[ 1709.315351][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1709.315351][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1709.315351][   T10]      ___sys_sendmsg+0xee/0x170
[ 1709.315351][   T10]      __sys_sendmsg+0xcd/0x170
[ 1709.315351][   T10]      do_syscall_64+0xc6/0x1e0
[ 1709.315351][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1709.315351][   T10] 
[ 1709.316918][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1709.316918][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1709.316918][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1709.316918][   T10]      ipv6_find_idev+0x102/0x170
[ 1709.316918][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1709.316918][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1709.316918][   T10]      netlink_rcv_skb+0x130/0x360
[ 1709.316918][   T10]      netlink_unicast+0x449/0x710
[ 1709.316918][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1709.316918][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1709.316918][   T10]      ___sys_sendmsg+0xee/0x170
[ 1709.316918][   T10]      __sys_sendmsg+0xcd/0x170
[ 1709.316918][   T10]      do_syscall_64+0xc6/0x1e0
[ 1709.316918][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1709.316918][   T10] 
[ 1719.559807][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1719.560279][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1719.560279][   T10]      dst_init+0x84/0x4a0
[ 1719.560279][   T10]      dst_alloc+0x97/0x150
[ 1719.560279][   T10]      ip6_dst_alloc+0x23/0x90
[ 1719.560279][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1719.560279][   T10]      ip6_pol_route+0x56f/0x840
[ 1719.560279][   T10]      fib6_rule_lookup+0x456/0x630
[ 1719.560279][   T10]      ip6_route_input+0x59c/0xa50
[ 1719.560279][   T10]      ipv6_rcv+0x397/0x810
[ 1719.560279][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1719.560279][   T10]      process_backlog+0x101/0x620
[ 1719.560279][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1719.560279][   T10]      net_rx_action+0x495/0xbe0
[ 1719.560279][   T10]      __do_softirq+0x1b5/0x7f6
[ 1719.560279][   T10] 
[ 1719.561957][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1719.561957][   T10]      netdev_get_by_index+0x5e/0x80
[ 1719.561957][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1719.561957][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1719.561957][   T10]      ip6_route_add+0x1c/0x140
[ 1719.561957][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1719.561957][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1719.561957][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1719.561957][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1719.561957][   T10]      netlink_rcv_skb+0x130/0x360
[ 1719.561957][   T10]      netlink_unicast+0x449/0x710
[ 1719.561957][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1719.561957][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1719.561957][   T10]      ___sys_sendmsg+0xee/0x170
[ 1719.561957][   T10]      __sys_sendmsg+0xcd/0x170
[ 1719.561957][   T10]      do_syscall_64+0xc6/0x1e0
[ 1719.561957][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1719.561957][   T10] 
[ 1719.563967][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1719.563967][   T10]      netdev_get_by_index+0x5e/0x80
[ 1719.563967][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1719.563967][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1719.563967][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1719.563967][   T10]      ipv6_add_addr+0x411/0x2000
[ 1719.563967][   T10]      inet6_addr_add+0x30e/0xa40
[ 1719.563967][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1719.563967][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1719.563967][   T10]      netlink_rcv_skb+0x130/0x360
[ 1719.563967][   T10]      netlink_unicast+0x449/0x710
[ 1719.563967][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1719.563967][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1719.563967][   T10]      ___sys_sendmsg+0xee/0x170
[ 1719.563967][   T10]      __sys_sendmsg+0xcd/0x170
[ 1719.563967][   T10]      do_syscall_64+0xc6/0x1e0
[ 1719.563967][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1719.563967][   T10] 
[ 1719.565982][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1719.565982][   T10]      netdev_get_by_index+0x5e/0x80
[ 1719.565982][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1719.565982][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1719.565982][   T10]      ip6_route_add+0x1c/0x140
[ 1719.565982][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1719.565982][   T10]      addrconf_add_dev+0xe2/0x170
[ 1719.565982][   T10]      inet6_addr_add+0x12f/0xa40
[ 1719.565982][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1719.565982][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1719.565982][   T10]      netlink_rcv_skb+0x130/0x360
[ 1719.565982][   T10]      netlink_unicast+0x449/0x710
[ 1719.565982][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1719.565982][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1719.565982][   T10]      ___sys_sendmsg+0xee/0x170
[ 1719.565982][   T10]      __sys_sendmsg+0xcd/0x170
[ 1719.565982][   T10]      do_syscall_64+0xc6/0x1e0
[ 1719.565982][   T10] 
[ 1719.567966][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1719.567966][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1719.567966][   T10]      ipv6_find_idev+0x102/0x170
[ 1719.567966][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1719.567966][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1719.567966][   T10]      netlink_rcv_skb+0x130/0x360
[ 1719.567966][   T10]      netlink_unicast+0x449/0x710
[ 1719.567966][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1719.567966][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1719.567966][   T10]      ___sys_sendmsg+0xee/0x170
[ 1719.567966][   T10]      __sys_sendmsg+0xcd/0x170
[ 1719.567966][   T10]      do_syscall_64+0xc6/0x1e0
[ 1719.567966][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1719.567966][   T10] 
[ 1719.569526][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1719.569526][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1719.569526][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1719.569526][   T10]      ipv6_find_idev+0x102/0x170
[ 1719.569526][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1719.569526][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1719.569526][   T10]      netlink_rcv_skb+0x130/0x360
[ 1719.569526][   T10]      netlink_unicast+0x449/0x710
[ 1719.569526][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1719.569526][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1719.569526][   T10]      ___sys_sendmsg+0xee/0x170
[ 1719.569526][   T10]      __sys_sendmsg+0xcd/0x170
[ 1719.569526][   T10]      do_syscall_64+0xc6/0x1e0
[ 1719.569526][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1719.569526][   T10] 
[ 1719.571226][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1719.571480][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1719.571480][   T10]      netdev_get_by_index+0x5e/0x80
[ 1719.571480][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1719.571480][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1719.571480][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1719.571480][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1719.571480][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1719.571480][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1719.571480][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1719.571480][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1719.571480][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1719.571480][   T10]      vfs_write+0x9e5/0x10a0
[ 1719.571480][   T10]      ksys_write+0xf5/0x1e0
[ 1719.571480][   T10]      do_syscall_64+0xc6/0x1e0
[ 1719.571480][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1719.571480][   T10] 
[ 1719.573303][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1719.573303][   T10]      netdev_get_by_index+0x5e/0x80
[ 1719.573303][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1719.573303][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1719.573303][   T10]      ip6_route_add+0x1c/0x140
[ 1719.573303][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1719.573303][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1719.573303][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1719.573303][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1719.573303][   T10]      netlink_rcv_skb+0x130/0x360
[ 1719.573303][   T10]      netlink_unicast+0x449/0x710
[ 1719.573303][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1719.573303][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1719.573303][   T10]      ___sys_sendmsg+0xee/0x170
[ 1719.573303][   T10]      __sys_sendmsg+0xcd/0x170
[ 1719.573303][   T10]      do_syscall_64+0xc6/0x1e0
[ 1719.573303][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1719.573303][   T10] 
[ 1719.575296][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1719.575296][   T10]      netdev_get_by_index+0x5e/0x80
[ 1719.575296][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1719.575296][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1719.575296][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1719.575296][   T10]      ipv6_add_addr+0x411/0x2000
[ 1719.575296][   T10]      inet6_addr_add+0x30e/0xa40
[ 1719.575296][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1719.575296][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1719.575296][   T10]      netlink_rcv_skb+0x130/0x360
[ 1719.575296][   T10]      netlink_unicast+0x449/0x710
[ 1719.575296][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1719.575296][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1719.575296][   T10]      ___sys_sendmsg+0xee/0x170
[ 1719.575296][   T10]      __sys_sendmsg+0xcd/0x170
[ 1719.575296][   T10]      do_syscall_64+0xc6/0x1e0
[ 1719.575296][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1719.575296][   T10] 
[ 1719.577315][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1719.577315][   T10]      netdev_get_by_index+0x5e/0x80
[ 1719.577315][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1719.577315][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1719.577315][   T10]      ip6_route_add+0x1c/0x140
[ 1719.577315][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1719.577315][   T10]      addrconf_add_dev+0xe2/0x170
[ 1719.577315][   T10]      inet6_addr_add+0x12f/0xa40
[ 1719.577315][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1719.577315][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1719.577315][   T10]      netlink_rcv_skb+0x130/0x360
[ 1719.577315][   T10]      netlink_unicast+0x449/0x710
[ 1719.577315][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1719.577315][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1719.577315][   T10]      ___sys_sendmsg+0xee/0x170
[ 1719.577315][   T10]      __sys_sendmsg+0xcd/0x170
[ 1719.577315][   T10]      do_syscall_64+0xc6/0x1e0
[ 1719.577315][   T10] 
[ 1719.579291][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1719.579291][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1719.579291][   T10]      ipv6_find_idev+0x102/0x170
[ 1719.579291][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1719.579291][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1719.579291][   T10]      netlink_rcv_skb+0x130/0x360
[ 1719.579291][   T10]      netlink_unicast+0x449/0x710
[ 1719.579291][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1719.579291][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1719.579291][   T10]      ___sys_sendmsg+0xee/0x170
[ 1719.579291][   T10]      __sys_sendmsg+0xcd/0x170
[ 1719.579291][   T10]      do_syscall_64+0xc6/0x1e0
[ 1719.579291][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1719.579291][   T10] 
[ 1719.580834][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1719.580834][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1719.580834][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1719.580834][   T10]      ipv6_find_idev+0x102/0x170
[ 1719.580834][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1719.580834][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1719.580834][   T10]      netlink_rcv_skb+0x130/0x360
[ 1719.580834][   T10]      netlink_unicast+0x449/0x710
[ 1719.580834][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1719.580834][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1719.580834][   T10]      ___sys_sendmsg+0xee/0x170
[ 1719.580834][   T10]      __sys_sendmsg+0xcd/0x170
[ 1719.580834][   T10]      do_syscall_64+0xc6/0x1e0
[ 1719.580834][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1719.580834][   T10] 
[ 1721.639893][   T42] INFO: task modprobe:13029 blocked for more than 122 seconds.
[ 1721.640514][   T42]       Not tainted 6.8.0-virtme #1
[ 1721.640667][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1721.640947][   T42] task:modprobe        state:D stack:25744 pid:13029 tgid:13029 ppid:38     flags:0x00004002
[ 1721.641236][   T42] Call Trace:
[ 1721.641349][   T42]  <TASK>
[ 1721.641430][   T42]  __schedule+0x705/0x1ac0
[ 1721.641592][   T42]  ? __pfx___schedule+0x10/0x10
[ 1721.641772][   T42]  ? schedule+0x1a5/0x210
[ 1721.641888][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1721.642033][   T42]  ? mark_lock+0x38/0x3e0
[ 1721.642141][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 1721.642288][   T42]  ? schedule+0x1a5/0x210
[ 1721.642398][   T42]  schedule+0xdf/0x210
[ 1721.642507][   T42]  schedule_preempt_disabled+0x15/0x30
[ 1721.642938][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[ 1721.643091][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 1721.643272][   T42]  ? kasan_save_stack+0x34/0x50
[ 1721.643412][   T42]  ? kasan_save_stack+0x24/0x50
[ 1721.643559][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1721.643716][   T42]  ? lock_acquire+0x1c1/0x220
[ 1721.643855][   T42]  ? register_pernet_subsys+0x1a/0x50
[ 1721.644003][   T42]  down_write+0x1c9/0x200
[ 1721.644109][   T42]  ? __pfx_down_write+0x10/0x10
[ 1721.644255][   T42]  ? __pfx___lock_release+0x10/0x10
[ 1721.644407][   T42]  ? __pfx_tls_register+0x10/0x10 [tls]
[ 1721.644579][   T42]  register_pernet_subsys+0x1a/0x50
[ 1721.644729][   T42]  tls_register+0x17/0x60 [tls]
[ 1721.644889][   T42]  do_one_initcall+0xc8/0x3f0
[ 1721.645031][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[ 1721.645175][   T42]  ? __create_object+0x5e/0xb0
[ 1721.645318][   T42]  ? kasan_unpoison+0x27/0x60
[ 1721.645466][   T42]  do_init_module+0x233/0x740
[ 1721.645623][   T42]  load_module+0x16b5/0x2350
[ 1721.645785][   T42]  ? __pfx_load_module+0x10/0x10
[ 1721.645922][   T42]  ? kernel_read_file+0x3d2/0x520
[ 1721.646066][   T42]  ? kernel_read_file+0x300/0x520
[ 1721.646214][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[ 1721.646368][   T42]  ? init_module_from_file+0xd2/0x130
[ 1721.646506][   T42]  init_module_from_file+0xd2/0x130
[ 1721.646644][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[ 1721.646841][   T42]  ? __lock_release+0x103/0x460
[ 1721.646983][   T42]  ? idempotent_init_module+0x32a/0x620
[ 1721.647132][   T42]  ? idempotent_init_module+0x32a/0x620
[ 1721.647269][   T42]  ? do_raw_spin_unlock+0x58/0x220
[ 1721.647413][   T42]  idempotent_init_module+0x342/0x620
[ 1721.647553][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 1721.647757][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 1721.647905][   T42]  do_syscall_64+0xc6/0x1e0
[ 1721.648052][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1721.648225][   T42] RIP: 0033:0x7f87f9f64e5d
[ 1721.648372][   T42] RSP: 002b:00007ffd1f8c9508 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 1721.648585][   T42] RAX: ffffffffffffffda RBX: 000056185e3e39f0 RCX: 00007f87f9f64e5d
[ 1721.648803][   T42] RDX: 0000000000000000 RSI: 00005618200b9a2a RDI: 0000000000000000
[ 1721.649017][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffd1f8c9640
[ 1721.649228][   T42] R10: 0000000000000000 R11: 0000000000000246 R12: 00005618200b9a2a
[ 1721.649435][   T42] R13: 000056185e3e3b30 R14: 000056185e3e3e10 R15: 000056185e3e3a5c
[ 1721.649657][   T42]  </TASK>
[ 1721.649774][   T42] INFO: task modprobe:13031 blocked for more than 122 seconds.
[ 1721.649974][   T42]       Not tainted 6.8.0-virtme #1
[ 1721.650108][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1721.650330][   T42] task:modprobe        state:D stack:26704 pid:13031 tgid:13031 ppid:39     flags:0x00000002
[ 1721.650604][   T42] Call Trace:
[ 1721.650716][   T42]  <TASK>
[ 1721.650793][   T42]  __schedule+0x705/0x1ac0
[ 1721.650937][   T42]  ? __pfx___schedule+0x10/0x10
[ 1721.651075][   T42]  ? schedule+0x1a5/0x210
[ 1721.651183][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1721.651334][   T42]  ? schedule+0x1a5/0x210
[ 1721.651443][   T42]  schedule+0xdf/0x210
[ 1721.651551][   T42]  schedule_timeout+0x212/0x250
[ 1721.651722][   T42]  ? __pfx_schedule_timeout+0x10/0x10
[ 1721.651870][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1721.652011][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 1721.652151][   T42]  ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1721.652293][   T42]  ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370
[ 1721.652468][   T42]  __wait_for_common+0x1c9/0x5f0
[ 1721.652609][   T42]  ? __pfx_schedule_timeout+0x10/0x10
[ 1721.652756][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1721.652897][   T42]  ? vm_mmap_pgoff+0x1d2/0x2f0
[ 1721.653037][   T42]  ? __pfx___wait_for_common+0x10/0x10
[ 1721.653174][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 1721.653311][   T42]  ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1721.653459][   T42]  ? idempotent_init_module+0x286/0x620
[ 1721.653601][   T42]  idempotent_init_module+0x290/0x620
[ 1721.653748][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 1721.653936][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 1721.654078][   T42]  do_syscall_64+0xc6/0x1e0
[ 1721.654218][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1721.654387][   T42] RIP: 0033:0x7fdfabab6e5d
[ 1721.654525][   T42] RSP: 002b:00007fffc6cb7488 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 1721.654746][   T42] RAX: ffffffffffffffda RBX: 0000562d96eed9f0 RCX: 00007fdfabab6e5d
[ 1721.654946][   T42] RDX: 0000000000000000 RSI: 0000562d624b1a2a RDI: 0000000000000000
[ 1721.655147][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007fffc6cb75c0
[ 1721.655347][   T42] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562d624b1a2a
[ 1721.655553][   T42] R13: 0000562d96eedb30 R14: 0000562d96eede10 R15: 0000562d96eeda5c
[ 1721.655793][   T42]  </TASK>
[ 1721.655903][   T42] INFO: task modprobe:13035 blocked for more than 122 seconds.
[ 1721.656093][   T42]       Not tainted 6.8.0-virtme #1
[ 1721.656222][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1721.656449][   T42] task:modprobe        state:D stack:26704 pid:13035 tgid:13035 ppid:57     flags:0x00000002
[ 1721.656736][   T42] Call Trace:
[ 1721.656840][   T42]  <TASK>
[ 1721.656915][   T42]  __schedule+0x705/0x1ac0
[ 1721.657059][   T42]  ? __pfx___schedule+0x10/0x10
[ 1721.657195][   T42]  ? schedule+0x1a5/0x210
[ 1721.657305][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1721.657451][   T42]  ? schedule+0x1a5/0x210
[ 1721.657558][   T42]  schedule+0xdf/0x210
[ 1721.657665][   T42]  schedule_timeout+0x212/0x250
[ 1721.657821][   T42]  ? __pfx_schedule_timeout+0x10/0x10
[ 1721.657957][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1721.658097][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 1721.658238][   T42]  ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1721.658379][   T42]  ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370
[ 1721.658549][   T42]  __wait_for_common+0x1c9/0x5f0
[ 1721.658698][   T42]  ? __pfx_schedule_timeout+0x10/0x10
[ 1721.658842][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1721.658980][   T42]  ? vm_mmap_pgoff+0x1d2/0x2f0
[ 1721.659123][   T42]  ? __pfx___wait_for_common+0x10/0x10
[ 1721.659280][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 1721.659423][   T42]  ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1721.659561][   T42]  ? idempotent_init_module+0x286/0x620
[ 1721.659726][   T42]  idempotent_init_module+0x290/0x620
[ 1721.659867][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 1721.660068][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 1721.660208][   T42]  do_syscall_64+0xc6/0x1e0
[ 1721.660347][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1721.660519][   T42] RIP: 0033:0x7f28fb549e5d
[ 1721.660661][   T42] RSP: 002b:00007ffcd9283a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 1721.660876][   T42] RAX: ffffffffffffffda RBX: 00005588c793e9f0 RCX: 00007f28fb549e5d
[ 1721.661086][   T42] RDX: 0000000000000000 RSI: 000055888ff63a2a RDI: 0000000000000000
[ 1721.661291][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffcd9283bc0
[ 1721.661494][   T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055888ff63a2a
[ 1721.661707][   T42] R13: 00005588c793eb30 R14: 00005588c793ee10 R15: 00005588c793ea5c
[ 1721.661925][   T42]  </TASK>
[ 1721.662032][   T42] 
[ 1721.662032][   T42] Showing all locks held in the system:
[ 1721.662240][   T42] 3 locks held by kworker/u16:0/10:
[ 1721.662376][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1721.662658][   T42]  #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1721.662908][   T42]  #2: ffffffffbc56a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[ 1721.663157][   T42] 2 locks held by kworker/u17:0/36:
[ 1721.663287][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1721.663560][   T42]  #1: ffffc90000297da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1721.663886][   T42] 2 locks held by kworker/u19:0/38:
[ 1721.664018][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1721.664300][   T42]  #1: ffffc900002b7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1721.664603][   T42] 2 locks held by kworker/u20:0/39:
[ 1721.664745][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1721.665022][   T42]  #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1721.665330][   T42] 1 lock held by khungtaskd/42:
[ 1721.665462][   T42]  #0: ffffffffbbd591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[ 1721.665712][   T42] 2 locks held by kworker/u17:1/44:
[ 1721.665843][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1721.666115][   T42]  #1: ffffc90000317da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1721.666441][   T42] 2 locks held by kworker/u19:1/57:
[ 1721.666577][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1721.666861][   T42]  #1: ffffc900003e7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1721.667173][   T42] 1 lock held by modprobe/13029:
[ 1721.667415][   T42]  #0: ffffffffbc56a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[ 1721.667716][   T42] 2 locks held by kworker/u19:2/13034:
[ 1721.667856][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1721.668190][   T42]  #1: ffffc9000043fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1721.668493][   T42] 2 locks held by kworker/u19:3/13038:
[ 1721.668682][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1721.668968][   T42]  #1: ffffc9000053fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1721.669384][   T42] 1 lock held by tls/13048:
[ 1721.669515][   T42]  #0: ffff888006325bd8 (sk_lock-AF_INET){+.+.}-{0:0}, at: do_tcp_setsockopt+0x5dc/0x2180
[ 1721.669769][   T42] 
[ 1721.669842][   T42] =============================================
[ 1721.669842][   T42] 
[ 1729.823799][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1729.824207][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1729.824207][   T10]      dst_init+0x84/0x4a0
[ 1729.824207][   T10]      dst_alloc+0x97/0x150
[ 1729.824207][   T10]      ip6_dst_alloc+0x23/0x90
[ 1729.824207][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1729.824207][   T10]      ip6_pol_route+0x56f/0x840
[ 1729.824207][   T10]      fib6_rule_lookup+0x456/0x630
[ 1729.824207][   T10]      ip6_route_input+0x59c/0xa50
[ 1729.824207][   T10]      ipv6_rcv+0x397/0x810
[ 1729.824207][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1729.824207][   T10]      process_backlog+0x101/0x620
[ 1729.824207][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1729.824207][   T10]      net_rx_action+0x495/0xbe0
[ 1729.824207][   T10]      __do_softirq+0x1b5/0x7f6
[ 1729.824207][   T10] 
[ 1729.825890][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1729.825890][   T10]      netdev_get_by_index+0x5e/0x80
[ 1729.825890][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1729.825890][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1729.825890][   T10]      ip6_route_add+0x1c/0x140
[ 1729.825890][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1729.825890][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1729.825890][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1729.825890][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1729.825890][   T10]      netlink_rcv_skb+0x130/0x360
[ 1729.825890][   T10]      netlink_unicast+0x449/0x710
[ 1729.825890][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1729.825890][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1729.825890][   T10]      ___sys_sendmsg+0xee/0x170
[ 1729.825890][   T10]      __sys_sendmsg+0xcd/0x170
[ 1729.825890][   T10]      do_syscall_64+0xc6/0x1e0
[ 1729.825890][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1729.825890][   T10] 
[ 1729.827905][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1729.827905][   T10]      netdev_get_by_index+0x5e/0x80
[ 1729.827905][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1729.827905][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1729.827905][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1729.827905][   T10]      ipv6_add_addr+0x411/0x2000
[ 1729.827905][   T10]      inet6_addr_add+0x30e/0xa40
[ 1729.827905][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1729.827905][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1729.827905][   T10]      netlink_rcv_skb+0x130/0x360
[ 1729.827905][   T10]      netlink_unicast+0x449/0x710
[ 1729.827905][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1729.827905][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1729.827905][   T10]      ___sys_sendmsg+0xee/0x170
[ 1729.827905][   T10]      __sys_sendmsg+0xcd/0x170
[ 1729.827905][   T10]      do_syscall_64+0xc6/0x1e0
[ 1729.827905][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1729.827905][   T10] 
[ 1729.829926][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1729.829926][   T10]      netdev_get_by_index+0x5e/0x80
[ 1729.829926][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1729.829926][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1729.829926][   T10]      ip6_route_add+0x1c/0x140
[ 1729.829926][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1729.829926][   T10]      addrconf_add_dev+0xe2/0x170
[ 1729.829926][   T10]      inet6_addr_add+0x12f/0xa40
[ 1729.829926][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1729.829926][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1729.829926][   T10]      netlink_rcv_skb+0x130/0x360
[ 1729.829926][   T10]      netlink_unicast+0x449/0x710
[ 1729.829926][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1729.829926][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1729.829926][   T10]      ___sys_sendmsg+0xee/0x170
[ 1729.829926][   T10]      __sys_sendmsg+0xcd/0x170
[ 1729.829926][   T10]      do_syscall_64+0xc6/0x1e0
[ 1729.829926][   T10] 
[ 1729.831915][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1729.831915][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1729.831915][   T10]      ipv6_find_idev+0x102/0x170
[ 1729.831915][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1729.831915][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1729.831915][   T10]      netlink_rcv_skb+0x130/0x360
[ 1729.831915][   T10]      netlink_unicast+0x449/0x710
[ 1729.831915][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1729.831915][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1729.831915][   T10]      ___sys_sendmsg+0xee/0x170
[ 1729.831915][   T10]      __sys_sendmsg+0xcd/0x170
[ 1729.831915][   T10]      do_syscall_64+0xc6/0x1e0
[ 1729.831915][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1729.831915][   T10] 
[ 1729.833476][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1729.833476][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1729.833476][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1729.833476][   T10]      ipv6_find_idev+0x102/0x170
[ 1729.833476][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1729.833476][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1729.833476][   T10]      netlink_rcv_skb+0x130/0x360
[ 1729.833476][   T10]      netlink_unicast+0x449/0x710
[ 1729.833476][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1729.833476][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1729.833476][   T10]      ___sys_sendmsg+0xee/0x170
[ 1729.833476][   T10]      __sys_sendmsg+0xcd/0x170
[ 1729.833476][   T10]      do_syscall_64+0xc6/0x1e0
[ 1729.833476][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1729.833476][   T10] 
[ 1729.835197][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1729.835445][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1729.835445][   T10]      netdev_get_by_index+0x5e/0x80
[ 1729.835445][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1729.835445][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1729.835445][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1729.835445][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1729.835445][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1729.835445][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1729.835445][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1729.835445][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1729.835445][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1729.835445][   T10]      vfs_write+0x9e5/0x10a0
[ 1729.835445][   T10]      ksys_write+0xf5/0x1e0
[ 1729.835445][   T10]      do_syscall_64+0xc6/0x1e0
[ 1729.835445][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1729.835445][   T10] 
[ 1729.837284][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1729.837284][   T10]      netdev_get_by_index+0x5e/0x80
[ 1729.837284][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1729.837284][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1729.837284][   T10]      ip6_route_add+0x1c/0x140
[ 1729.837284][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1729.837284][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1729.837284][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1729.837284][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1729.837284][   T10]      netlink_rcv_skb+0x130/0x360
[ 1729.837284][   T10]      netlink_unicast+0x449/0x710
[ 1729.837284][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1729.837284][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1729.837284][   T10]      ___sys_sendmsg+0xee/0x170
[ 1729.837284][   T10]      __sys_sendmsg+0xcd/0x170
[ 1729.837284][   T10]      do_syscall_64+0xc6/0x1e0
[ 1729.837284][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1729.837284][   T10] 
[ 1729.839279][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1729.839279][   T10]      netdev_get_by_index+0x5e/0x80
[ 1729.839279][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1729.839279][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1729.839279][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1729.839279][   T10]      ipv6_add_addr+0x411/0x2000
[ 1729.839279][   T10]      inet6_addr_add+0x30e/0xa40
[ 1729.839279][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1729.839279][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1729.839279][   T10]      netlink_rcv_skb+0x130/0x360
[ 1729.839279][   T10]      netlink_unicast+0x449/0x710
[ 1729.839279][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1729.839279][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1729.839279][   T10]      ___sys_sendmsg+0xee/0x170
[ 1729.839279][   T10]      __sys_sendmsg+0xcd/0x170
[ 1729.839279][   T10]      do_syscall_64+0xc6/0x1e0
[ 1729.839279][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1729.839279][   T10] 
[ 1729.841279][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1729.841279][   T10]      netdev_get_by_index+0x5e/0x80
[ 1729.841279][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1729.841279][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1729.841279][   T10]      ip6_route_add+0x1c/0x140
[ 1729.841279][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1729.841279][   T10]      addrconf_add_dev+0xe2/0x170
[ 1729.841279][   T10]      inet6_addr_add+0x12f/0xa40
[ 1729.841279][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1729.841279][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1729.841279][   T10]      netlink_rcv_skb+0x130/0x360
[ 1729.841279][   T10]      netlink_unicast+0x449/0x710
[ 1729.841279][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1729.841279][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1729.841279][   T10]      ___sys_sendmsg+0xee/0x170
[ 1729.841279][   T10]      __sys_sendmsg+0xcd/0x170
[ 1729.841279][   T10]      do_syscall_64+0xc6/0x1e0
[ 1729.841279][   T10] 
[ 1729.843230][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1729.843230][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1729.843230][   T10]      ipv6_find_idev+0x102/0x170
[ 1729.843230][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1729.843230][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1729.843230][   T10]      netlink_rcv_skb+0x130/0x360
[ 1729.843230][   T10]      netlink_unicast+0x449/0x710
[ 1729.843230][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1729.843230][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1729.843230][   T10]      ___sys_sendmsg+0xee/0x170
[ 1729.843230][   T10]      __sys_sendmsg+0xcd/0x170
[ 1729.843230][   T10]      do_syscall_64+0xc6/0x1e0
[ 1729.843230][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1729.843230][   T10] 
[ 1729.844757][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1729.844757][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1729.844757][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1729.844757][   T10]      ipv6_find_idev+0x102/0x170
[ 1729.844757][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1729.844757][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1729.844757][   T10]      netlink_rcv_skb+0x130/0x360
[ 1729.844757][   T10]      netlink_unicast+0x449/0x710
[ 1729.844757][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1729.844757][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1729.844757][   T10]      ___sys_sendmsg+0xee/0x170
[ 1729.844757][   T10]      __sys_sendmsg+0xcd/0x170
[ 1729.844757][   T10]      do_syscall_64+0xc6/0x1e0
[ 1729.844757][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1729.844757][   T10] 
[ 1740.087801][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1740.088218][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1740.088218][   T10]      dst_init+0x84/0x4a0
[ 1740.088218][   T10]      dst_alloc+0x97/0x150
[ 1740.088218][   T10]      ip6_dst_alloc+0x23/0x90
[ 1740.088218][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1740.088218][   T10]      ip6_pol_route+0x56f/0x840
[ 1740.088218][   T10]      fib6_rule_lookup+0x456/0x630
[ 1740.088218][   T10]      ip6_route_input+0x59c/0xa50
[ 1740.088218][   T10]      ipv6_rcv+0x397/0x810
[ 1740.088218][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1740.088218][   T10]      process_backlog+0x101/0x620
[ 1740.088218][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1740.088218][   T10]      net_rx_action+0x495/0xbe0
[ 1740.088218][   T10]      __do_softirq+0x1b5/0x7f6
[ 1740.088218][   T10] 
[ 1740.089920][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1740.089920][   T10]      netdev_get_by_index+0x5e/0x80
[ 1740.089920][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1740.089920][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1740.089920][   T10]      ip6_route_add+0x1c/0x140
[ 1740.089920][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1740.089920][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1740.089920][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1740.089920][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1740.089920][   T10]      netlink_rcv_skb+0x130/0x360
[ 1740.089920][   T10]      netlink_unicast+0x449/0x710
[ 1740.089920][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1740.089920][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1740.089920][   T10]      ___sys_sendmsg+0xee/0x170
[ 1740.089920][   T10]      __sys_sendmsg+0xcd/0x170
[ 1740.089920][   T10]      do_syscall_64+0xc6/0x1e0
[ 1740.089920][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1740.089920][   T10] 
[ 1740.091985][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1740.091985][   T10]      netdev_get_by_index+0x5e/0x80
[ 1740.091985][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1740.091985][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1740.091985][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1740.091985][   T10]      ipv6_add_addr+0x411/0x2000
[ 1740.091985][   T10]      inet6_addr_add+0x30e/0xa40
[ 1740.091985][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1740.091985][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1740.091985][   T10]      netlink_rcv_skb+0x130/0x360
[ 1740.091985][   T10]      netlink_unicast+0x449/0x710
[ 1740.091985][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1740.091985][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1740.091985][   T10]      ___sys_sendmsg+0xee/0x170
[ 1740.091985][   T10]      __sys_sendmsg+0xcd/0x170
[ 1740.091985][   T10]      do_syscall_64+0xc6/0x1e0
[ 1740.091985][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1740.091985][   T10] 
[ 1740.094038][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1740.094038][   T10]      netdev_get_by_index+0x5e/0x80
[ 1740.094038][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1740.094038][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1740.094038][   T10]      ip6_route_add+0x1c/0x140
[ 1740.094038][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1740.094038][   T10]      addrconf_add_dev+0xe2/0x170
[ 1740.094038][   T10]      inet6_addr_add+0x12f/0xa40
[ 1740.094038][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1740.094038][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1740.094038][   T10]      netlink_rcv_skb+0x130/0x360
[ 1740.094038][   T10]      netlink_unicast+0x449/0x710
[ 1740.094038][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1740.094038][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1740.094038][   T10]      ___sys_sendmsg+0xee/0x170
[ 1740.094038][   T10]      __sys_sendmsg+0xcd/0x170
[ 1740.094038][   T10]      do_syscall_64+0xc6/0x1e0
[ 1740.094038][   T10] 
[ 1740.096068][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1740.096068][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1740.096068][   T10]      ipv6_find_idev+0x102/0x170
[ 1740.096068][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1740.096068][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1740.096068][   T10]      netlink_rcv_skb+0x130/0x360
[ 1740.096068][   T10]      netlink_unicast+0x449/0x710
[ 1740.096068][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1740.096068][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1740.096068][   T10]      ___sys_sendmsg+0xee/0x170
[ 1740.096068][   T10]      __sys_sendmsg+0xcd/0x170
[ 1740.096068][   T10]      do_syscall_64+0xc6/0x1e0
[ 1740.096068][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1740.096068][   T10] 
[ 1740.097649][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1740.097649][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1740.097649][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1740.097649][   T10]      ipv6_find_idev+0x102/0x170
[ 1740.097649][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1740.097649][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1740.097649][   T10]      netlink_rcv_skb+0x130/0x360
[ 1740.097649][   T10]      netlink_unicast+0x449/0x710
[ 1740.097649][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1740.097649][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1740.097649][   T10]      ___sys_sendmsg+0xee/0x170
[ 1740.097649][   T10]      __sys_sendmsg+0xcd/0x170
[ 1740.097649][   T10]      do_syscall_64+0xc6/0x1e0
[ 1740.097649][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1740.097649][   T10] 
[ 1740.099350][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1740.099604][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1740.099604][   T10]      netdev_get_by_index+0x5e/0x80
[ 1740.099604][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1740.099604][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1740.099604][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1740.099604][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1740.099604][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1740.099604][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1740.099604][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1740.099604][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1740.099604][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1740.099604][   T10]      vfs_write+0x9e5/0x10a0
[ 1740.099604][   T10]      ksys_write+0xf5/0x1e0
[ 1740.099604][   T10]      do_syscall_64+0xc6/0x1e0
[ 1740.099604][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1740.099604][   T10] 
[ 1740.101472][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1740.101472][   T10]      netdev_get_by_index+0x5e/0x80
[ 1740.101472][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1740.101472][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1740.101472][   T10]      ip6_route_add+0x1c/0x140
[ 1740.101472][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1740.101472][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1740.101472][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1740.101472][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1740.101472][   T10]      netlink_rcv_skb+0x130/0x360
[ 1740.101472][   T10]      netlink_unicast+0x449/0x710
[ 1740.101472][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1740.101472][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1740.101472][   T10]      ___sys_sendmsg+0xee/0x170
[ 1740.101472][   T10]      __sys_sendmsg+0xcd/0x170
[ 1740.101472][   T10]      do_syscall_64+0xc6/0x1e0
[ 1740.101472][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1740.101472][   T10] 
[ 1740.103493][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1740.103493][   T10]      netdev_get_by_index+0x5e/0x80
[ 1740.103493][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1740.103493][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1740.103493][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1740.103493][   T10]      ipv6_add_addr+0x411/0x2000
[ 1740.103493][   T10]      inet6_addr_add+0x30e/0xa40
[ 1740.103493][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1740.103493][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1740.103493][   T10]      netlink_rcv_skb+0x130/0x360
[ 1740.103493][   T10]      netlink_unicast+0x449/0x710
[ 1740.103493][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1740.103493][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1740.103493][   T10]      ___sys_sendmsg+0xee/0x170
[ 1740.103493][   T10]      __sys_sendmsg+0xcd/0x170
[ 1740.103493][   T10]      do_syscall_64+0xc6/0x1e0
[ 1740.103493][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1740.103493][   T10] 
[ 1740.105491][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1740.105491][   T10]      netdev_get_by_index+0x5e/0x80
[ 1740.105491][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1740.105491][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1740.105491][   T10]      ip6_route_add+0x1c/0x140
[ 1740.105491][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1740.105491][   T10]      addrconf_add_dev+0xe2/0x170
[ 1740.105491][   T10]      inet6_addr_add+0x12f/0xa40
[ 1740.105491][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1740.105491][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1740.105491][   T10]      netlink_rcv_skb+0x130/0x360
[ 1740.105491][   T10]      netlink_unicast+0x449/0x710
[ 1740.105491][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1740.105491][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1740.105491][   T10]      ___sys_sendmsg+0xee/0x170
[ 1740.105491][   T10]      __sys_sendmsg+0xcd/0x170
[ 1740.105491][   T10]      do_syscall_64+0xc6/0x1e0
[ 1740.105491][   T10] 
[ 1740.107483][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1740.107483][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1740.107483][   T10]      ipv6_find_idev+0x102/0x170
[ 1740.107483][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1740.107483][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1740.107483][   T10]      netlink_rcv_skb+0x130/0x360
[ 1740.107483][   T10]      netlink_unicast+0x449/0x710
[ 1740.107483][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1740.107483][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1740.107483][   T10]      ___sys_sendmsg+0xee/0x170
[ 1740.107483][   T10]      __sys_sendmsg+0xcd/0x170
[ 1740.107483][   T10]      do_syscall_64+0xc6/0x1e0
[ 1740.107483][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1740.107483][   T10] 
[ 1740.109046][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1740.109046][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1740.109046][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1740.109046][   T10]      ipv6_find_idev+0x102/0x170
[ 1740.109046][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1740.109046][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1740.109046][   T10]      netlink_rcv_skb+0x130/0x360
[ 1740.109046][   T10]      netlink_unicast+0x449/0x710
[ 1740.109046][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1740.109046][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1740.109046][   T10]      ___sys_sendmsg+0xee/0x170
[ 1740.109046][   T10]      __sys_sendmsg+0xcd/0x170
[ 1740.109046][   T10]      do_syscall_64+0xc6/0x1e0
[ 1740.109046][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1740.109046][   T10] 
[ 1750.351796][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1750.352285][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1750.352285][   T10]      dst_init+0x84/0x4a0
[ 1750.352285][   T10]      dst_alloc+0x97/0x150
[ 1750.352285][   T10]      ip6_dst_alloc+0x23/0x90
[ 1750.352285][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1750.352285][   T10]      ip6_pol_route+0x56f/0x840
[ 1750.352285][   T10]      fib6_rule_lookup+0x456/0x630
[ 1750.352285][   T10]      ip6_route_input+0x59c/0xa50
[ 1750.352285][   T10]      ipv6_rcv+0x397/0x810
[ 1750.352285][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1750.352285][   T10]      process_backlog+0x101/0x620
[ 1750.352285][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1750.352285][   T10]      net_rx_action+0x495/0xbe0
[ 1750.352285][   T10]      __do_softirq+0x1b5/0x7f6
[ 1750.352285][   T10] 
[ 1750.353986][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1750.353986][   T10]      netdev_get_by_index+0x5e/0x80
[ 1750.353986][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1750.353986][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1750.353986][   T10]      ip6_route_add+0x1c/0x140
[ 1750.353986][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1750.353986][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1750.353986][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1750.353986][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1750.353986][   T10]      netlink_rcv_skb+0x130/0x360
[ 1750.353986][   T10]      netlink_unicast+0x449/0x710
[ 1750.353986][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1750.353986][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1750.353986][   T10]      ___sys_sendmsg+0xee/0x170
[ 1750.353986][   T10]      __sys_sendmsg+0xcd/0x170
[ 1750.353986][   T10]      do_syscall_64+0xc6/0x1e0
[ 1750.353986][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1750.353986][   T10] 
[ 1750.356000][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1750.356000][   T10]      netdev_get_by_index+0x5e/0x80
[ 1750.356000][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1750.356000][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1750.356000][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1750.356000][   T10]      ipv6_add_addr+0x411/0x2000
[ 1750.356000][   T10]      inet6_addr_add+0x30e/0xa40
[ 1750.356000][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1750.356000][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1750.356000][   T10]      netlink_rcv_skb+0x130/0x360
[ 1750.356000][   T10]      netlink_unicast+0x449/0x710
[ 1750.356000][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1750.356000][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1750.356000][   T10]      ___sys_sendmsg+0xee/0x170
[ 1750.356000][   T10]      __sys_sendmsg+0xcd/0x170
[ 1750.356000][   T10]      do_syscall_64+0xc6/0x1e0
[ 1750.356000][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1750.356000][   T10] 
[ 1750.358038][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1750.358038][   T10]      netdev_get_by_index+0x5e/0x80
[ 1750.358038][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1750.358038][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1750.358038][   T10]      ip6_route_add+0x1c/0x140
[ 1750.358038][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1750.358038][   T10]      addrconf_add_dev+0xe2/0x170
[ 1750.358038][   T10]      inet6_addr_add+0x12f/0xa40
[ 1750.358038][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1750.358038][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1750.358038][   T10]      netlink_rcv_skb+0x130/0x360
[ 1750.358038][   T10]      netlink_unicast+0x449/0x710
[ 1750.358038][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1750.358038][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1750.358038][   T10]      ___sys_sendmsg+0xee/0x170
[ 1750.358038][   T10]      __sys_sendmsg+0xcd/0x170
[ 1750.358038][   T10]      do_syscall_64+0xc6/0x1e0
[ 1750.358038][   T10] 
[ 1750.360022][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1750.360022][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1750.360022][   T10]      ipv6_find_idev+0x102/0x170
[ 1750.360022][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1750.360022][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1750.360022][   T10]      netlink_rcv_skb+0x130/0x360
[ 1750.360022][   T10]      netlink_unicast+0x449/0x710
[ 1750.360022][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1750.360022][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1750.360022][   T10]      ___sys_sendmsg+0xee/0x170
[ 1750.360022][   T10]      __sys_sendmsg+0xcd/0x170
[ 1750.360022][   T10]      do_syscall_64+0xc6/0x1e0
[ 1750.360022][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1750.360022][   T10] 
[ 1750.361572][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1750.361572][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1750.361572][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1750.361572][   T10]      ipv6_find_idev+0x102/0x170
[ 1750.361572][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1750.361572][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1750.361572][   T10]      netlink_rcv_skb+0x130/0x360
[ 1750.361572][   T10]      netlink_unicast+0x449/0x710
[ 1750.361572][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1750.361572][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1750.361572][   T10]      ___sys_sendmsg+0xee/0x170
[ 1750.361572][   T10]      __sys_sendmsg+0xcd/0x170
[ 1750.361572][   T10]      do_syscall_64+0xc6/0x1e0
[ 1750.361572][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1750.361572][   T10] 
[ 1750.363275][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1750.363527][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1750.363527][   T10]      netdev_get_by_index+0x5e/0x80
[ 1750.363527][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1750.363527][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1750.363527][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1750.363527][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1750.363527][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1750.363527][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1750.363527][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1750.363527][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1750.363527][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1750.363527][   T10]      vfs_write+0x9e5/0x10a0
[ 1750.363527][   T10]      ksys_write+0xf5/0x1e0
[ 1750.363527][   T10]      do_syscall_64+0xc6/0x1e0
[ 1750.363527][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1750.363527][   T10] 
[ 1750.365364][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1750.365364][   T10]      netdev_get_by_index+0x5e/0x80
[ 1750.365364][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1750.365364][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1750.365364][   T10]      ip6_route_add+0x1c/0x140
[ 1750.365364][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1750.365364][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1750.365364][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1750.365364][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1750.365364][   T10]      netlink_rcv_skb+0x130/0x360
[ 1750.365364][   T10]      netlink_unicast+0x449/0x710
[ 1750.365364][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1750.365364][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1750.365364][   T10]      ___sys_sendmsg+0xee/0x170
[ 1750.365364][   T10]      __sys_sendmsg+0xcd/0x170
[ 1750.365364][   T10]      do_syscall_64+0xc6/0x1e0
[ 1750.365364][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1750.365364][   T10] 
[ 1750.367385][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1750.367385][   T10]      netdev_get_by_index+0x5e/0x80
[ 1750.367385][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1750.367385][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1750.367385][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1750.367385][   T10]      ipv6_add_addr+0x411/0x2000
[ 1750.367385][   T10]      inet6_addr_add+0x30e/0xa40
[ 1750.367385][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1750.367385][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1750.367385][   T10]      netlink_rcv_skb+0x130/0x360
[ 1750.367385][   T10]      netlink_unicast+0x449/0x710
[ 1750.367385][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1750.367385][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1750.367385][   T10]      ___sys_sendmsg+0xee/0x170
[ 1750.367385][   T10]      __sys_sendmsg+0xcd/0x170
[ 1750.367385][   T10]      do_syscall_64+0xc6/0x1e0
[ 1750.367385][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1750.367385][   T10] 
[ 1750.369391][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1750.369391][   T10]      netdev_get_by_index+0x5e/0x80
[ 1750.369391][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1750.369391][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1750.369391][   T10]      ip6_route_add+0x1c/0x140
[ 1750.369391][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1750.369391][   T10]      addrconf_add_dev+0xe2/0x170
[ 1750.369391][   T10]      inet6_addr_add+0x12f/0xa40
[ 1750.369391][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1750.369391][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1750.369391][   T10]      netlink_rcv_skb+0x130/0x360
[ 1750.369391][   T10]      netlink_unicast+0x449/0x710
[ 1750.369391][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1750.369391][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1750.369391][   T10]      ___sys_sendmsg+0xee/0x170
[ 1750.369391][   T10]      __sys_sendmsg+0xcd/0x170
[ 1750.369391][   T10]      do_syscall_64+0xc6/0x1e0
[ 1750.369391][   T10] 
[ 1750.371380][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1750.371380][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1750.371380][   T10]      ipv6_find_idev+0x102/0x170
[ 1750.371380][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1750.371380][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1750.371380][   T10]      netlink_rcv_skb+0x130/0x360
[ 1750.371380][   T10]      netlink_unicast+0x449/0x710
[ 1750.371380][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1750.371380][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1750.371380][   T10]      ___sys_sendmsg+0xee/0x170
[ 1750.371380][   T10]      __sys_sendmsg+0xcd/0x170
[ 1750.371380][   T10]      do_syscall_64+0xc6/0x1e0
[ 1750.371380][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1750.371380][   T10] 
[ 1750.372918][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1750.372918][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1750.372918][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1750.372918][   T10]      ipv6_find_idev+0x102/0x170
[ 1750.372918][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1750.372918][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1750.372918][   T10]      netlink_rcv_skb+0x130/0x360
[ 1750.372918][   T10]      netlink_unicast+0x449/0x710
[ 1750.372918][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1750.372918][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1750.372918][   T10]      ___sys_sendmsg+0xee/0x170
[ 1750.372918][   T10]      __sys_sendmsg+0xcd/0x170
[ 1750.372918][   T10]      do_syscall_64+0xc6/0x1e0
[ 1750.372918][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1750.372918][   T10] 
[ 1760.615745][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1760.616084][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1760.616084][   T10]      dst_init+0x84/0x4a0
[ 1760.616084][   T10]      dst_alloc+0x97/0x150
[ 1760.616084][   T10]      ip6_dst_alloc+0x23/0x90
[ 1760.616084][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1760.616084][   T10]      ip6_pol_route+0x56f/0x840
[ 1760.616084][   T10]      fib6_rule_lookup+0x456/0x630
[ 1760.616084][   T10]      ip6_route_input+0x59c/0xa50
[ 1760.616084][   T10]      ipv6_rcv+0x397/0x810
[ 1760.616084][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1760.616084][   T10]      process_backlog+0x101/0x620
[ 1760.616084][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1760.616084][   T10]      net_rx_action+0x495/0xbe0
[ 1760.616084][   T10]      __do_softirq+0x1b5/0x7f6
[ 1760.616084][   T10] 
[ 1760.617785][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1760.617785][   T10]      netdev_get_by_index+0x5e/0x80
[ 1760.617785][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1760.617785][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1760.617785][   T10]      ip6_route_add+0x1c/0x140
[ 1760.617785][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1760.617785][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1760.617785][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1760.617785][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1760.617785][   T10]      netlink_rcv_skb+0x130/0x360
[ 1760.617785][   T10]      netlink_unicast+0x449/0x710
[ 1760.617785][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1760.617785][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1760.617785][   T10]      ___sys_sendmsg+0xee/0x170
[ 1760.617785][   T10]      __sys_sendmsg+0xcd/0x170
[ 1760.617785][   T10]      do_syscall_64+0xc6/0x1e0
[ 1760.617785][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1760.617785][   T10] 
[ 1760.619783][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1760.619783][   T10]      netdev_get_by_index+0x5e/0x80
[ 1760.619783][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1760.619783][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1760.619783][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1760.619783][   T10]      ipv6_add_addr+0x411/0x2000
[ 1760.619783][   T10]      inet6_addr_add+0x30e/0xa40
[ 1760.619783][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1760.619783][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1760.619783][   T10]      netlink_rcv_skb+0x130/0x360
[ 1760.619783][   T10]      netlink_unicast+0x449/0x710
[ 1760.619783][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1760.619783][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1760.619783][   T10]      ___sys_sendmsg+0xee/0x170
[ 1760.619783][   T10]      __sys_sendmsg+0xcd/0x170
[ 1760.619783][   T10]      do_syscall_64+0xc6/0x1e0
[ 1760.619783][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1760.619783][   T10] 
[ 1760.621835][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1760.621835][   T10]      netdev_get_by_index+0x5e/0x80
[ 1760.621835][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1760.621835][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1760.621835][   T10]      ip6_route_add+0x1c/0x140
[ 1760.621835][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1760.621835][   T10]      addrconf_add_dev+0xe2/0x170
[ 1760.621835][   T10]      inet6_addr_add+0x12f/0xa40
[ 1760.621835][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1760.621835][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1760.621835][   T10]      netlink_rcv_skb+0x130/0x360
[ 1760.621835][   T10]      netlink_unicast+0x449/0x710
[ 1760.621835][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1760.621835][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1760.621835][   T10]      ___sys_sendmsg+0xee/0x170
[ 1760.621835][   T10]      __sys_sendmsg+0xcd/0x170
[ 1760.621835][   T10]      do_syscall_64+0xc6/0x1e0
[ 1760.621835][   T10] 
[ 1760.623836][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1760.623836][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1760.623836][   T10]      ipv6_find_idev+0x102/0x170
[ 1760.623836][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1760.623836][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1760.623836][   T10]      netlink_rcv_skb+0x130/0x360
[ 1760.623836][   T10]      netlink_unicast+0x449/0x710
[ 1760.623836][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1760.623836][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1760.623836][   T10]      ___sys_sendmsg+0xee/0x170
[ 1760.623836][   T10]      __sys_sendmsg+0xcd/0x170
[ 1760.623836][   T10]      do_syscall_64+0xc6/0x1e0
[ 1760.623836][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1760.623836][   T10] 
[ 1760.625377][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1760.625377][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1760.625377][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1760.625377][   T10]      ipv6_find_idev+0x102/0x170
[ 1760.625377][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1760.625377][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1760.625377][   T10]      netlink_rcv_skb+0x130/0x360
[ 1760.625377][   T10]      netlink_unicast+0x449/0x710
[ 1760.625377][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1760.625377][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1760.625377][   T10]      ___sys_sendmsg+0xee/0x170
[ 1760.625377][   T10]      __sys_sendmsg+0xcd/0x170
[ 1760.625377][   T10]      do_syscall_64+0xc6/0x1e0
[ 1760.625377][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1760.625377][   T10] 
[ 1760.627140][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1760.627386][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1760.627386][   T10]      netdev_get_by_index+0x5e/0x80
[ 1760.627386][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1760.627386][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1760.627386][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1760.627386][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1760.627386][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1760.627386][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1760.627386][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1760.627386][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1760.627386][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1760.627386][   T10]      vfs_write+0x9e5/0x10a0
[ 1760.627386][   T10]      ksys_write+0xf5/0x1e0
[ 1760.627386][   T10]      do_syscall_64+0xc6/0x1e0
[ 1760.627386][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1760.627386][   T10] 
[ 1760.629248][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1760.629248][   T10]      netdev_get_by_index+0x5e/0x80
[ 1760.629248][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1760.629248][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1760.629248][   T10]      ip6_route_add+0x1c/0x140
[ 1760.629248][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1760.629248][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1760.629248][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1760.629248][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1760.629248][   T10]      netlink_rcv_skb+0x130/0x360
[ 1760.629248][   T10]      netlink_unicast+0x449/0x710
[ 1760.629248][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1760.629248][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1760.629248][   T10]      ___sys_sendmsg+0xee/0x170
[ 1760.629248][   T10]      __sys_sendmsg+0xcd/0x170
[ 1760.629248][   T10]      do_syscall_64+0xc6/0x1e0
[ 1760.629248][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1760.629248][   T10] 
[ 1760.631625][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1760.631625][   T10]      netdev_get_by_index+0x5e/0x80
[ 1760.631625][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1760.631625][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1760.631625][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1760.631625][   T10]      ipv6_add_addr+0x411/0x2000
[ 1760.631625][   T10]      inet6_addr_add+0x30e/0xa40
[ 1760.631625][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1760.631625][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1760.631625][   T10]      netlink_rcv_skb+0x130/0x360
[ 1760.631625][   T10]      netlink_unicast+0x449/0x710
[ 1760.631625][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1760.631625][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1760.631625][   T10]      ___sys_sendmsg+0xee/0x170
[ 1760.631625][   T10]      __sys_sendmsg+0xcd/0x170
[ 1760.631625][   T10]      do_syscall_64+0xc6/0x1e0
[ 1760.631625][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1760.631625][   T10] 
[ 1760.633872][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1760.633872][   T10]      netdev_get_by_index+0x5e/0x80
[ 1760.633872][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1760.633872][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1760.633872][   T10]      ip6_route_add+0x1c/0x140
[ 1760.633872][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1760.633872][   T10]      addrconf_add_dev+0xe2/0x170
[ 1760.633872][   T10]      inet6_addr_add+0x12f/0xa40
[ 1760.633872][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1760.633872][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1760.633872][   T10]      netlink_rcv_skb+0x130/0x360
[ 1760.633872][   T10]      netlink_unicast+0x449/0x710
[ 1760.633872][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1760.633872][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1760.633872][   T10]      ___sys_sendmsg+0xee/0x170
[ 1760.633872][   T10]      __sys_sendmsg+0xcd/0x170
[ 1760.633872][   T10]      do_syscall_64+0xc6/0x1e0
[ 1760.633872][   T10] 
[ 1760.636060][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1760.636060][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1760.636060][   T10]      ipv6_find_idev+0x102/0x170
[ 1760.636060][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1760.636060][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1760.636060][   T10]      netlink_rcv_skb+0x130/0x360
[ 1760.636060][   T10]      netlink_unicast+0x449/0x710
[ 1760.636060][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1760.636060][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1760.636060][   T10]      ___sys_sendmsg+0xee/0x170
[ 1760.636060][   T10]      __sys_sendmsg+0xcd/0x170
[ 1760.636060][   T10]      do_syscall_64+0xc6/0x1e0
[ 1760.636060][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1760.636060][   T10] 
[ 1760.637854][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1760.637854][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1760.637854][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1760.637854][   T10]      ipv6_find_idev+0x102/0x170
[ 1760.637854][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1760.637854][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1760.637854][   T10]      netlink_rcv_skb+0x130/0x360
[ 1760.637854][   T10]      netlink_unicast+0x449/0x710
[ 1760.637854][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1760.637854][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1760.637854][   T10]      ___sys_sendmsg+0xee/0x170
[ 1760.637854][   T10]      __sys_sendmsg+0xcd/0x170
[ 1760.637854][   T10]      do_syscall_64+0xc6/0x1e0
[ 1760.637854][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1760.637854][   T10] 
[ 1770.775891][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1770.776332][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1770.776332][   T10]      dst_init+0x84/0x4a0
[ 1770.776332][   T10]      dst_alloc+0x97/0x150
[ 1770.776332][   T10]      ip6_dst_alloc+0x23/0x90
[ 1770.776332][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1770.776332][   T10]      ip6_pol_route+0x56f/0x840
[ 1770.776332][   T10]      fib6_rule_lookup+0x456/0x630
[ 1770.776332][   T10]      ip6_route_input+0x59c/0xa50
[ 1770.776332][   T10]      ipv6_rcv+0x397/0x810
[ 1770.776332][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1770.776332][   T10]      process_backlog+0x101/0x620
[ 1770.776332][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1770.776332][   T10]      net_rx_action+0x495/0xbe0
[ 1770.776332][   T10]      __do_softirq+0x1b5/0x7f6
[ 1770.776332][   T10] 
[ 1770.778041][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1770.778041][   T10]      netdev_get_by_index+0x5e/0x80
[ 1770.778041][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1770.778041][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1770.778041][   T10]      ip6_route_add+0x1c/0x140
[ 1770.778041][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1770.778041][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1770.778041][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1770.778041][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1770.778041][   T10]      netlink_rcv_skb+0x130/0x360
[ 1770.778041][   T10]      netlink_unicast+0x449/0x710
[ 1770.778041][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1770.778041][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1770.778041][   T10]      ___sys_sendmsg+0xee/0x170
[ 1770.778041][   T10]      __sys_sendmsg+0xcd/0x170
[ 1770.778041][   T10]      do_syscall_64+0xc6/0x1e0
[ 1770.778041][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1770.778041][   T10] 
[ 1770.780057][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1770.780057][   T10]      netdev_get_by_index+0x5e/0x80
[ 1770.780057][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1770.780057][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1770.780057][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1770.780057][   T10]      ipv6_add_addr+0x411/0x2000
[ 1770.780057][   T10]      inet6_addr_add+0x30e/0xa40
[ 1770.780057][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1770.780057][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1770.780057][   T10]      netlink_rcv_skb+0x130/0x360
[ 1770.780057][   T10]      netlink_unicast+0x449/0x710
[ 1770.780057][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1770.780057][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1770.780057][   T10]      ___sys_sendmsg+0xee/0x170
[ 1770.780057][   T10]      __sys_sendmsg+0xcd/0x170
[ 1770.780057][   T10]      do_syscall_64+0xc6/0x1e0
[ 1770.780057][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1770.780057][   T10] 
[ 1770.782069][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1770.782069][   T10]      netdev_get_by_index+0x5e/0x80
[ 1770.782069][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1770.782069][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1770.782069][   T10]      ip6_route_add+0x1c/0x140
[ 1770.782069][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1770.782069][   T10]      addrconf_add_dev+0xe2/0x170
[ 1770.782069][   T10]      inet6_addr_add+0x12f/0xa40
[ 1770.782069][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1770.782069][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1770.782069][   T10]      netlink_rcv_skb+0x130/0x360
[ 1770.782069][   T10]      netlink_unicast+0x449/0x710
[ 1770.782069][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1770.782069][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1770.782069][   T10]      ___sys_sendmsg+0xee/0x170
[ 1770.782069][   T10]      __sys_sendmsg+0xcd/0x170
[ 1770.782069][   T10]      do_syscall_64+0xc6/0x1e0
[ 1770.782069][   T10] 
[ 1770.784041][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1770.784041][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1770.784041][   T10]      ipv6_find_idev+0x102/0x170
[ 1770.784041][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1770.784041][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1770.784041][   T10]      netlink_rcv_skb+0x130/0x360
[ 1770.784041][   T10]      netlink_unicast+0x449/0x710
[ 1770.784041][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1770.784041][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1770.784041][   T10]      ___sys_sendmsg+0xee/0x170
[ 1770.784041][   T10]      __sys_sendmsg+0xcd/0x170
[ 1770.784041][   T10]      do_syscall_64+0xc6/0x1e0
[ 1770.784041][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1770.784041][   T10] 
[ 1770.785584][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1770.785584][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1770.785584][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1770.785584][   T10]      ipv6_find_idev+0x102/0x170
[ 1770.785584][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1770.785584][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1770.785584][   T10]      netlink_rcv_skb+0x130/0x360
[ 1770.785584][   T10]      netlink_unicast+0x449/0x710
[ 1770.785584][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1770.785584][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1770.785584][   T10]      ___sys_sendmsg+0xee/0x170
[ 1770.785584][   T10]      __sys_sendmsg+0xcd/0x170
[ 1770.785584][   T10]      do_syscall_64+0xc6/0x1e0
[ 1770.785584][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1770.785584][   T10] 
[ 1770.787300][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1770.787551][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1770.787551][   T10]      netdev_get_by_index+0x5e/0x80
[ 1770.787551][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1770.787551][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1770.787551][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1770.787551][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1770.787551][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1770.787551][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1770.787551][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1770.787551][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1770.787551][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1770.787551][   T10]      vfs_write+0x9e5/0x10a0
[ 1770.787551][   T10]      ksys_write+0xf5/0x1e0
[ 1770.787551][   T10]      do_syscall_64+0xc6/0x1e0
[ 1770.787551][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1770.787551][   T10] 
[ 1770.789395][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1770.789395][   T10]      netdev_get_by_index+0x5e/0x80
[ 1770.789395][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1770.789395][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1770.789395][   T10]      ip6_route_add+0x1c/0x140
[ 1770.789395][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1770.789395][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1770.789395][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1770.789395][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1770.789395][   T10]      netlink_rcv_skb+0x130/0x360
[ 1770.789395][   T10]      netlink_unicast+0x449/0x710
[ 1770.789395][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1770.789395][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1770.789395][   T10]      ___sys_sendmsg+0xee/0x170
[ 1770.789395][   T10]      __sys_sendmsg+0xcd/0x170
[ 1770.789395][   T10]      do_syscall_64+0xc6/0x1e0
[ 1770.789395][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1770.789395][   T10] 
[ 1770.791419][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1770.791419][   T10]      netdev_get_by_index+0x5e/0x80
[ 1770.791419][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1770.791419][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1770.791419][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1770.791419][   T10]      ipv6_add_addr+0x411/0x2000
[ 1770.791419][   T10]      inet6_addr_add+0x30e/0xa40
[ 1770.791419][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1770.791419][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1770.791419][   T10]      netlink_rcv_skb+0x130/0x360
[ 1770.791419][   T10]      netlink_unicast+0x449/0x710
[ 1770.791419][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1770.791419][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1770.791419][   T10]      ___sys_sendmsg+0xee/0x170
[ 1770.791419][   T10]      __sys_sendmsg+0xcd/0x170
[ 1770.791419][   T10]      do_syscall_64+0xc6/0x1e0
[ 1770.791419][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1770.791419][   T10] 
[ 1770.793437][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1770.793437][   T10]      netdev_get_by_index+0x5e/0x80
[ 1770.793437][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1770.793437][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1770.793437][   T10]      ip6_route_add+0x1c/0x140
[ 1770.793437][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1770.793437][   T10]      addrconf_add_dev+0xe2/0x170
[ 1770.793437][   T10]      inet6_addr_add+0x12f/0xa40
[ 1770.793437][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1770.793437][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1770.793437][   T10]      netlink_rcv_skb+0x130/0x360
[ 1770.793437][   T10]      netlink_unicast+0x449/0x710
[ 1770.793437][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1770.793437][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1770.793437][   T10]      ___sys_sendmsg+0xee/0x170
[ 1770.793437][   T10]      __sys_sendmsg+0xcd/0x170
[ 1770.793437][   T10]      do_syscall_64+0xc6/0x1e0
[ 1770.793437][   T10] 
[ 1770.795426][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1770.795426][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1770.795426][   T10]      ipv6_find_idev+0x102/0x170
[ 1770.795426][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1770.795426][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1770.795426][   T10]      netlink_rcv_skb+0x130/0x360
[ 1770.795426][   T10]      netlink_unicast+0x449/0x710
[ 1770.795426][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1770.795426][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1770.795426][   T10]      ___sys_sendmsg+0xee/0x170
[ 1770.795426][   T10]      __sys_sendmsg+0xcd/0x170
[ 1770.795426][   T10]      do_syscall_64+0xc6/0x1e0
[ 1770.795426][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1770.795426][   T10] 
[ 1770.797005][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1770.797005][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1770.797005][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1770.797005][   T10]      ipv6_find_idev+0x102/0x170
[ 1770.797005][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1770.797005][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1770.797005][   T10]      netlink_rcv_skb+0x130/0x360
[ 1770.797005][   T10]      netlink_unicast+0x449/0x710
[ 1770.797005][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1770.797005][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1770.797005][   T10]      ___sys_sendmsg+0xee/0x170
[ 1770.797005][   T10]      __sys_sendmsg+0xcd/0x170
[ 1770.797005][   T10]      do_syscall_64+0xc6/0x1e0
[ 1770.797005][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1770.797005][   T10] 
[ 1781.039740][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1781.040154][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1781.040154][   T10]      dst_init+0x84/0x4a0
[ 1781.040154][   T10]      dst_alloc+0x97/0x150
[ 1781.040154][   T10]      ip6_dst_alloc+0x23/0x90
[ 1781.040154][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1781.040154][   T10]      ip6_pol_route+0x56f/0x840
[ 1781.040154][   T10]      fib6_rule_lookup+0x456/0x630
[ 1781.040154][   T10]      ip6_route_input+0x59c/0xa50
[ 1781.040154][   T10]      ipv6_rcv+0x397/0x810
[ 1781.040154][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1781.040154][   T10]      process_backlog+0x101/0x620
[ 1781.040154][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1781.040154][   T10]      net_rx_action+0x495/0xbe0
[ 1781.040154][   T10]      __do_softirq+0x1b5/0x7f6
[ 1781.040154][   T10] 
[ 1781.041848][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1781.041848][   T10]      netdev_get_by_index+0x5e/0x80
[ 1781.041848][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1781.041848][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1781.041848][   T10]      ip6_route_add+0x1c/0x140
[ 1781.041848][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1781.041848][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1781.041848][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1781.041848][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1781.041848][   T10]      netlink_rcv_skb+0x130/0x360
[ 1781.041848][   T10]      netlink_unicast+0x449/0x710
[ 1781.041848][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1781.041848][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1781.041848][   T10]      ___sys_sendmsg+0xee/0x170
[ 1781.041848][   T10]      __sys_sendmsg+0xcd/0x170
[ 1781.041848][   T10]      do_syscall_64+0xc6/0x1e0
[ 1781.041848][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1781.041848][   T10] 
[ 1781.043863][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1781.043863][   T10]      netdev_get_by_index+0x5e/0x80
[ 1781.043863][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1781.043863][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1781.043863][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1781.043863][   T10]      ipv6_add_addr+0x411/0x2000
[ 1781.043863][   T10]      inet6_addr_add+0x30e/0xa40
[ 1781.043863][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1781.043863][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1781.043863][   T10]      netlink_rcv_skb+0x130/0x360
[ 1781.043863][   T10]      netlink_unicast+0x449/0x710
[ 1781.043863][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1781.043863][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1781.043863][   T10]      ___sys_sendmsg+0xee/0x170
[ 1781.043863][   T10]      __sys_sendmsg+0xcd/0x170
[ 1781.043863][   T10]      do_syscall_64+0xc6/0x1e0
[ 1781.043863][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1781.043863][   T10] 
[ 1781.045881][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1781.045881][   T10]      netdev_get_by_index+0x5e/0x80
[ 1781.045881][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1781.045881][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1781.045881][   T10]      ip6_route_add+0x1c/0x140
[ 1781.045881][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1781.045881][   T10]      addrconf_add_dev+0xe2/0x170
[ 1781.045881][   T10]      inet6_addr_add+0x12f/0xa40
[ 1781.045881][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1781.045881][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1781.045881][   T10]      netlink_rcv_skb+0x130/0x360
[ 1781.045881][   T10]      netlink_unicast+0x449/0x710
[ 1781.045881][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1781.045881][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1781.045881][   T10]      ___sys_sendmsg+0xee/0x170
[ 1781.045881][   T10]      __sys_sendmsg+0xcd/0x170
[ 1781.045881][   T10]      do_syscall_64+0xc6/0x1e0
[ 1781.045881][   T10] 
[ 1781.047871][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1781.047871][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1781.047871][   T10]      ipv6_find_idev+0x102/0x170
[ 1781.047871][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1781.047871][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1781.047871][   T10]      netlink_rcv_skb+0x130/0x360
[ 1781.047871][   T10]      netlink_unicast+0x449/0x710
[ 1781.047871][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1781.047871][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1781.047871][   T10]      ___sys_sendmsg+0xee/0x170
[ 1781.047871][   T10]      __sys_sendmsg+0xcd/0x170
[ 1781.047871][   T10]      do_syscall_64+0xc6/0x1e0
[ 1781.047871][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1781.047871][   T10] 
[ 1781.049412][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1781.049412][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1781.049412][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1781.049412][   T10]      ipv6_find_idev+0x102/0x170
[ 1781.049412][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1781.049412][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1781.049412][   T10]      netlink_rcv_skb+0x130/0x360
[ 1781.049412][   T10]      netlink_unicast+0x449/0x710
[ 1781.049412][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1781.049412][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1781.049412][   T10]      ___sys_sendmsg+0xee/0x170
[ 1781.049412][   T10]      __sys_sendmsg+0xcd/0x170
[ 1781.049412][   T10]      do_syscall_64+0xc6/0x1e0
[ 1781.049412][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1781.049412][   T10] 
[ 1781.051107][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1781.051373][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1781.051373][   T10]      netdev_get_by_index+0x5e/0x80
[ 1781.051373][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1781.051373][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1781.051373][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1781.051373][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1781.051373][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1781.051373][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1781.051373][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1781.051373][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1781.051373][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1781.051373][   T10]      vfs_write+0x9e5/0x10a0
[ 1781.051373][   T10]      ksys_write+0xf5/0x1e0
[ 1781.051373][   T10]      do_syscall_64+0xc6/0x1e0
[ 1781.051373][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1781.051373][   T10] 
[ 1781.053201][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1781.053201][   T10]      netdev_get_by_index+0x5e/0x80
[ 1781.053201][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1781.053201][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1781.053201][   T10]      ip6_route_add+0x1c/0x140
[ 1781.053201][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1781.053201][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1781.053201][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1781.053201][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1781.053201][   T10]      netlink_rcv_skb+0x130/0x360
[ 1781.053201][   T10]      netlink_unicast+0x449/0x710
[ 1781.053201][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1781.053201][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1781.053201][   T10]      ___sys_sendmsg+0xee/0x170
[ 1781.053201][   T10]      __sys_sendmsg+0xcd/0x170
[ 1781.053201][   T10]      do_syscall_64+0xc6/0x1e0
[ 1781.053201][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1781.053201][   T10] 
[ 1781.055206][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1781.055206][   T10]      netdev_get_by_index+0x5e/0x80
[ 1781.055206][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1781.055206][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1781.055206][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1781.055206][   T10]      ipv6_add_addr+0x411/0x2000
[ 1781.055206][   T10]      inet6_addr_add+0x30e/0xa40
[ 1781.055206][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1781.055206][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1781.055206][   T10]      netlink_rcv_skb+0x130/0x360
[ 1781.055206][   T10]      netlink_unicast+0x449/0x710
[ 1781.055206][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1781.055206][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1781.055206][   T10]      ___sys_sendmsg+0xee/0x170
[ 1781.055206][   T10]      __sys_sendmsg+0xcd/0x170
[ 1781.055206][   T10]      do_syscall_64+0xc6/0x1e0
[ 1781.055206][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1781.055206][   T10] 
[ 1781.057213][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1781.057213][   T10]      netdev_get_by_index+0x5e/0x80
[ 1781.057213][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1781.057213][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1781.057213][   T10]      ip6_route_add+0x1c/0x140
[ 1781.057213][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1781.057213][   T10]      addrconf_add_dev+0xe2/0x170
[ 1781.057213][   T10]      inet6_addr_add+0x12f/0xa40
[ 1781.057213][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1781.057213][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1781.057213][   T10]      netlink_rcv_skb+0x130/0x360
[ 1781.057213][   T10]      netlink_unicast+0x449/0x710
[ 1781.057213][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1781.057213][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1781.057213][   T10]      ___sys_sendmsg+0xee/0x170
[ 1781.057213][   T10]      __sys_sendmsg+0xcd/0x170
[ 1781.057213][   T10]      do_syscall_64+0xc6/0x1e0
[ 1781.057213][   T10] 
[ 1781.059171][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1781.059171][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1781.059171][   T10]      ipv6_find_idev+0x102/0x170
[ 1781.059171][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1781.059171][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1781.059171][   T10]      netlink_rcv_skb+0x130/0x360
[ 1781.059171][   T10]      netlink_unicast+0x449/0x710
[ 1781.059171][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1781.059171][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1781.059171][   T10]      ___sys_sendmsg+0xee/0x170
[ 1781.059171][   T10]      __sys_sendmsg+0xcd/0x170
[ 1781.059171][   T10]      do_syscall_64+0xc6/0x1e0
[ 1781.059171][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1781.059171][   T10] 
[ 1781.060709][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1781.060709][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1781.060709][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1781.060709][   T10]      ipv6_find_idev+0x102/0x170
[ 1781.060709][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1781.060709][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1781.060709][   T10]      netlink_rcv_skb+0x130/0x360
[ 1781.060709][   T10]      netlink_unicast+0x449/0x710
[ 1781.060709][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1781.060709][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1781.060709][   T10]      ___sys_sendmsg+0xee/0x170
[ 1781.060709][   T10]      __sys_sendmsg+0xcd/0x170
[ 1781.060709][   T10]      do_syscall_64+0xc6/0x1e0
[ 1781.060709][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1781.060709][   T10] 
[ 1791.303800][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1791.304243][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1791.304243][   T10]      dst_init+0x84/0x4a0
[ 1791.304243][   T10]      dst_alloc+0x97/0x150
[ 1791.304243][   T10]      ip6_dst_alloc+0x23/0x90
[ 1791.304243][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1791.304243][   T10]      ip6_pol_route+0x56f/0x840
[ 1791.304243][   T10]      fib6_rule_lookup+0x456/0x630
[ 1791.304243][   T10]      ip6_route_input+0x59c/0xa50
[ 1791.304243][   T10]      ipv6_rcv+0x397/0x810
[ 1791.304243][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1791.304243][   T10]      process_backlog+0x101/0x620
[ 1791.304243][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1791.304243][   T10]      net_rx_action+0x495/0xbe0
[ 1791.304243][   T10]      __do_softirq+0x1b5/0x7f6
[ 1791.304243][   T10] 
[ 1791.305918][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1791.305918][   T10]      netdev_get_by_index+0x5e/0x80
[ 1791.305918][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1791.305918][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1791.305918][   T10]      ip6_route_add+0x1c/0x140
[ 1791.305918][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1791.305918][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1791.305918][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1791.305918][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1791.305918][   T10]      netlink_rcv_skb+0x130/0x360
[ 1791.305918][   T10]      netlink_unicast+0x449/0x710
[ 1791.305918][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1791.305918][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1791.305918][   T10]      ___sys_sendmsg+0xee/0x170
[ 1791.305918][   T10]      __sys_sendmsg+0xcd/0x170
[ 1791.305918][   T10]      do_syscall_64+0xc6/0x1e0
[ 1791.305918][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1791.305918][   T10] 
[ 1791.307961][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1791.307961][   T10]      netdev_get_by_index+0x5e/0x80
[ 1791.307961][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1791.307961][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1791.307961][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1791.307961][   T10]      ipv6_add_addr+0x411/0x2000
[ 1791.307961][   T10]      inet6_addr_add+0x30e/0xa40
[ 1791.307961][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1791.307961][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1791.307961][   T10]      netlink_rcv_skb+0x130/0x360
[ 1791.307961][   T10]      netlink_unicast+0x449/0x710
[ 1791.307961][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1791.307961][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1791.307961][   T10]      ___sys_sendmsg+0xee/0x170
[ 1791.307961][   T10]      __sys_sendmsg+0xcd/0x170
[ 1791.307961][   T10]      do_syscall_64+0xc6/0x1e0
[ 1791.307961][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1791.307961][   T10] 
[ 1791.309986][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1791.309986][   T10]      netdev_get_by_index+0x5e/0x80
[ 1791.309986][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1791.309986][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1791.309986][   T10]      ip6_route_add+0x1c/0x140
[ 1791.309986][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1791.309986][   T10]      addrconf_add_dev+0xe2/0x170
[ 1791.309986][   T10]      inet6_addr_add+0x12f/0xa40
[ 1791.309986][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1791.309986][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1791.309986][   T10]      netlink_rcv_skb+0x130/0x360
[ 1791.309986][   T10]      netlink_unicast+0x449/0x710
[ 1791.309986][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1791.309986][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1791.309986][   T10]      ___sys_sendmsg+0xee/0x170
[ 1791.309986][   T10]      __sys_sendmsg+0xcd/0x170
[ 1791.309986][   T10]      do_syscall_64+0xc6/0x1e0
[ 1791.309986][   T10] 
[ 1791.312052][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1791.312052][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1791.312052][   T10]      ipv6_find_idev+0x102/0x170
[ 1791.312052][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1791.312052][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1791.312052][   T10]      netlink_rcv_skb+0x130/0x360
[ 1791.312052][   T10]      netlink_unicast+0x449/0x710
[ 1791.312052][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1791.312052][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1791.312052][   T10]      ___sys_sendmsg+0xee/0x170
[ 1791.312052][   T10]      __sys_sendmsg+0xcd/0x170
[ 1791.312052][   T10]      do_syscall_64+0xc6/0x1e0
[ 1791.312052][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1791.312052][   T10] 
[ 1791.313604][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1791.313604][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1791.313604][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1791.313604][   T10]      ipv6_find_idev+0x102/0x170
[ 1791.313604][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1791.313604][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1791.313604][   T10]      netlink_rcv_skb+0x130/0x360
[ 1791.313604][   T10]      netlink_unicast+0x449/0x710
[ 1791.313604][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1791.313604][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1791.313604][   T10]      ___sys_sendmsg+0xee/0x170
[ 1791.313604][   T10]      __sys_sendmsg+0xcd/0x170
[ 1791.313604][   T10]      do_syscall_64+0xc6/0x1e0
[ 1791.313604][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1791.313604][   T10] 
[ 1791.315329][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1791.315578][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1791.315578][   T10]      netdev_get_by_index+0x5e/0x80
[ 1791.315578][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1791.315578][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1791.315578][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1791.315578][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1791.315578][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1791.315578][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1791.315578][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1791.315578][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1791.315578][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1791.315578][   T10]      vfs_write+0x9e5/0x10a0
[ 1791.315578][   T10]      ksys_write+0xf5/0x1e0
[ 1791.315578][   T10]      do_syscall_64+0xc6/0x1e0
[ 1791.315578][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1791.315578][   T10] 
[ 1791.317426][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1791.317426][   T10]      netdev_get_by_index+0x5e/0x80
[ 1791.317426][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1791.317426][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1791.317426][   T10]      ip6_route_add+0x1c/0x140
[ 1791.317426][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1791.317426][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1791.317426][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1791.317426][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1791.317426][   T10]      netlink_rcv_skb+0x130/0x360
[ 1791.317426][   T10]      netlink_unicast+0x449/0x710
[ 1791.317426][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1791.317426][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1791.317426][   T10]      ___sys_sendmsg+0xee/0x170
[ 1791.317426][   T10]      __sys_sendmsg+0xcd/0x170
[ 1791.317426][   T10]      do_syscall_64+0xc6/0x1e0
[ 1791.317426][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1791.317426][   T10] 
[ 1791.319450][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1791.319450][   T10]      netdev_get_by_index+0x5e/0x80
[ 1791.319450][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1791.319450][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1791.319450][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1791.319450][   T10]      ipv6_add_addr+0x411/0x2000
[ 1791.319450][   T10]      inet6_addr_add+0x30e/0xa40
[ 1791.319450][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1791.319450][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1791.319450][   T10]      netlink_rcv_skb+0x130/0x360
[ 1791.319450][   T10]      netlink_unicast+0x449/0x710
[ 1791.319450][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1791.319450][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1791.319450][   T10]      ___sys_sendmsg+0xee/0x170
[ 1791.319450][   T10]      __sys_sendmsg+0xcd/0x170
[ 1791.319450][   T10]      do_syscall_64+0xc6/0x1e0
[ 1791.319450][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1791.319450][   T10] 
[ 1791.321457][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1791.321457][   T10]      netdev_get_by_index+0x5e/0x80
[ 1791.321457][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1791.321457][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1791.321457][   T10]      ip6_route_add+0x1c/0x140
[ 1791.321457][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1791.321457][   T10]      addrconf_add_dev+0xe2/0x170
[ 1791.321457][   T10]      inet6_addr_add+0x12f/0xa40
[ 1791.321457][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1791.321457][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1791.321457][   T10]      netlink_rcv_skb+0x130/0x360
[ 1791.321457][   T10]      netlink_unicast+0x449/0x710
[ 1791.321457][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1791.321457][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1791.321457][   T10]      ___sys_sendmsg+0xee/0x170
[ 1791.321457][   T10]      __sys_sendmsg+0xcd/0x170
[ 1791.321457][   T10]      do_syscall_64+0xc6/0x1e0
[ 1791.321457][   T10] 
[ 1791.323433][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1791.323433][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1791.323433][   T10]      ipv6_find_idev+0x102/0x170
[ 1791.323433][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1791.323433][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1791.323433][   T10]      netlink_rcv_skb+0x130/0x360
[ 1791.323433][   T10]      netlink_unicast+0x449/0x710
[ 1791.323433][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1791.323433][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1791.323433][   T10]      ___sys_sendmsg+0xee/0x170
[ 1791.323433][   T10]      __sys_sendmsg+0xcd/0x170
[ 1791.323433][   T10]      do_syscall_64+0xc6/0x1e0
[ 1791.323433][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1791.323433][   T10] 
[ 1791.324973][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1791.324973][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1791.324973][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1791.324973][   T10]      ipv6_find_idev+0x102/0x170
[ 1791.324973][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1791.324973][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1791.324973][   T10]      netlink_rcv_skb+0x130/0x360
[ 1791.324973][   T10]      netlink_unicast+0x449/0x710
[ 1791.324973][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1791.324973][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1791.324973][   T10]      ___sys_sendmsg+0xee/0x170
[ 1791.324973][   T10]      __sys_sendmsg+0xcd/0x170
[ 1791.324973][   T10]      do_syscall_64+0xc6/0x1e0
[ 1791.324973][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1791.324973][   T10] 
[ 1801.567738][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1801.568158][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1801.568158][   T10]      dst_init+0x84/0x4a0
[ 1801.568158][   T10]      dst_alloc+0x97/0x150
[ 1801.568158][   T10]      ip6_dst_alloc+0x23/0x90
[ 1801.568158][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1801.568158][   T10]      ip6_pol_route+0x56f/0x840
[ 1801.568158][   T10]      fib6_rule_lookup+0x456/0x630
[ 1801.568158][   T10]      ip6_route_input+0x59c/0xa50
[ 1801.568158][   T10]      ipv6_rcv+0x397/0x810
[ 1801.568158][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1801.568158][   T10]      process_backlog+0x101/0x620
[ 1801.568158][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1801.568158][   T10]      net_rx_action+0x495/0xbe0
[ 1801.568158][   T10]      __do_softirq+0x1b5/0x7f6
[ 1801.568158][   T10] 
[ 1801.569856][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1801.569856][   T10]      netdev_get_by_index+0x5e/0x80
[ 1801.569856][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1801.569856][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1801.569856][   T10]      ip6_route_add+0x1c/0x140
[ 1801.569856][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1801.569856][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1801.569856][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1801.569856][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1801.569856][   T10]      netlink_rcv_skb+0x130/0x360
[ 1801.569856][   T10]      netlink_unicast+0x449/0x710
[ 1801.569856][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1801.569856][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1801.569856][   T10]      ___sys_sendmsg+0xee/0x170
[ 1801.569856][   T10]      __sys_sendmsg+0xcd/0x170
[ 1801.569856][   T10]      do_syscall_64+0xc6/0x1e0
[ 1801.569856][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1801.569856][   T10] 
[ 1801.571862][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1801.571862][   T10]      netdev_get_by_index+0x5e/0x80
[ 1801.571862][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1801.571862][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1801.571862][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1801.571862][   T10]      ipv6_add_addr+0x411/0x2000
[ 1801.571862][   T10]      inet6_addr_add+0x30e/0xa40
[ 1801.571862][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1801.571862][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1801.571862][   T10]      netlink_rcv_skb+0x130/0x360
[ 1801.571862][   T10]      netlink_unicast+0x449/0x710
[ 1801.571862][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1801.571862][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1801.571862][   T10]      ___sys_sendmsg+0xee/0x170
[ 1801.571862][   T10]      __sys_sendmsg+0xcd/0x170
[ 1801.571862][   T10]      do_syscall_64+0xc6/0x1e0
[ 1801.571862][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1801.571862][   T10] 
[ 1801.573887][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1801.573887][   T10]      netdev_get_by_index+0x5e/0x80
[ 1801.573887][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1801.573887][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1801.573887][   T10]      ip6_route_add+0x1c/0x140
[ 1801.573887][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1801.573887][   T10]      addrconf_add_dev+0xe2/0x170
[ 1801.573887][   T10]      inet6_addr_add+0x12f/0xa40
[ 1801.573887][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1801.573887][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1801.573887][   T10]      netlink_rcv_skb+0x130/0x360
[ 1801.573887][   T10]      netlink_unicast+0x449/0x710
[ 1801.573887][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1801.573887][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1801.573887][   T10]      ___sys_sendmsg+0xee/0x170
[ 1801.573887][   T10]      __sys_sendmsg+0xcd/0x170
[ 1801.573887][   T10]      do_syscall_64+0xc6/0x1e0
[ 1801.573887][   T10] 
[ 1801.575872][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1801.575872][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1801.575872][   T10]      ipv6_find_idev+0x102/0x170
[ 1801.575872][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1801.575872][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1801.575872][   T10]      netlink_rcv_skb+0x130/0x360
[ 1801.575872][   T10]      netlink_unicast+0x449/0x710
[ 1801.575872][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1801.575872][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1801.575872][   T10]      ___sys_sendmsg+0xee/0x170
[ 1801.575872][   T10]      __sys_sendmsg+0xcd/0x170
[ 1801.575872][   T10]      do_syscall_64+0xc6/0x1e0
[ 1801.575872][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1801.575872][   T10] 
[ 1801.577436][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1801.577436][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1801.577436][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1801.577436][   T10]      ipv6_find_idev+0x102/0x170
[ 1801.577436][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1801.577436][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1801.577436][   T10]      netlink_rcv_skb+0x130/0x360
[ 1801.577436][   T10]      netlink_unicast+0x449/0x710
[ 1801.577436][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1801.577436][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1801.577436][   T10]      ___sys_sendmsg+0xee/0x170
[ 1801.577436][   T10]      __sys_sendmsg+0xcd/0x170
[ 1801.577436][   T10]      do_syscall_64+0xc6/0x1e0
[ 1801.577436][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1801.577436][   T10] 
[ 1801.579149][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1801.579407][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1801.579407][   T10]      netdev_get_by_index+0x5e/0x80
[ 1801.579407][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1801.579407][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1801.579407][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1801.579407][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1801.579407][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1801.579407][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1801.579407][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1801.579407][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1801.579407][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1801.579407][   T10]      vfs_write+0x9e5/0x10a0
[ 1801.579407][   T10]      ksys_write+0xf5/0x1e0
[ 1801.579407][   T10]      do_syscall_64+0xc6/0x1e0
[ 1801.579407][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1801.579407][   T10] 
[ 1801.581235][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1801.581235][   T10]      netdev_get_by_index+0x5e/0x80
[ 1801.581235][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1801.581235][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1801.581235][   T10]      ip6_route_add+0x1c/0x140
[ 1801.581235][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1801.581235][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1801.581235][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1801.581235][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1801.581235][   T10]      netlink_rcv_skb+0x130/0x360
[ 1801.581235][   T10]      netlink_unicast+0x449/0x710
[ 1801.581235][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1801.581235][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1801.581235][   T10]      ___sys_sendmsg+0xee/0x170
[ 1801.581235][   T10]      __sys_sendmsg+0xcd/0x170
[ 1801.581235][   T10]      do_syscall_64+0xc6/0x1e0
[ 1801.581235][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1801.581235][   T10] 
[ 1801.583248][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1801.583248][   T10]      netdev_get_by_index+0x5e/0x80
[ 1801.583248][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1801.583248][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1801.583248][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1801.583248][   T10]      ipv6_add_addr+0x411/0x2000
[ 1801.583248][   T10]      inet6_addr_add+0x30e/0xa40
[ 1801.583248][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1801.583248][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1801.583248][   T10]      netlink_rcv_skb+0x130/0x360
[ 1801.583248][   T10]      netlink_unicast+0x449/0x710
[ 1801.583248][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1801.583248][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1801.583248][   T10]      ___sys_sendmsg+0xee/0x170
[ 1801.583248][   T10]      __sys_sendmsg+0xcd/0x170
[ 1801.583248][   T10]      do_syscall_64+0xc6/0x1e0
[ 1801.583248][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1801.583248][   T10] 
[ 1801.585264][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1801.585264][   T10]      netdev_get_by_index+0x5e/0x80
[ 1801.585264][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1801.585264][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1801.585264][   T10]      ip6_route_add+0x1c/0x140
[ 1801.585264][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1801.585264][   T10]      addrconf_add_dev+0xe2/0x170
[ 1801.585264][   T10]      inet6_addr_add+0x12f/0xa40
[ 1801.585264][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1801.585264][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1801.585264][   T10]      netlink_rcv_skb+0x130/0x360
[ 1801.585264][   T10]      netlink_unicast+0x449/0x710
[ 1801.585264][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1801.585264][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1801.585264][   T10]      ___sys_sendmsg+0xee/0x170
[ 1801.585264][   T10]      __sys_sendmsg+0xcd/0x170
[ 1801.585264][   T10]      do_syscall_64+0xc6/0x1e0
[ 1801.585264][   T10] 
[ 1801.587243][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1801.587243][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1801.587243][   T10]      ipv6_find_idev+0x102/0x170
[ 1801.587243][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1801.587243][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1801.587243][   T10]      netlink_rcv_skb+0x130/0x360
[ 1801.587243][   T10]      netlink_unicast+0x449/0x710
[ 1801.587243][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1801.587243][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1801.587243][   T10]      ___sys_sendmsg+0xee/0x170
[ 1801.587243][   T10]      __sys_sendmsg+0xcd/0x170
[ 1801.587243][   T10]      do_syscall_64+0xc6/0x1e0
[ 1801.587243][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1801.587243][   T10] 
[ 1801.588806][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1801.588806][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1801.588806][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1801.588806][   T10]      ipv6_find_idev+0x102/0x170
[ 1801.588806][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1801.588806][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1801.588806][   T10]      netlink_rcv_skb+0x130/0x360
[ 1801.588806][   T10]      netlink_unicast+0x449/0x710
[ 1801.588806][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1801.588806][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1801.588806][   T10]      ___sys_sendmsg+0xee/0x170
[ 1801.588806][   T10]      __sys_sendmsg+0xcd/0x170
[ 1801.588806][   T10]      do_syscall_64+0xc6/0x1e0
[ 1801.588806][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1801.588806][   T10] 
[ 1811.831798][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1811.832283][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1811.832283][   T10]      dst_init+0x84/0x4a0
[ 1811.832283][   T10]      dst_alloc+0x97/0x150
[ 1811.832283][   T10]      ip6_dst_alloc+0x23/0x90
[ 1811.832283][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1811.832283][   T10]      ip6_pol_route+0x56f/0x840
[ 1811.832283][   T10]      fib6_rule_lookup+0x456/0x630
[ 1811.832283][   T10]      ip6_route_input+0x59c/0xa50
[ 1811.832283][   T10]      ipv6_rcv+0x397/0x810
[ 1811.832283][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1811.832283][   T10]      process_backlog+0x101/0x620
[ 1811.832283][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1811.832283][   T10]      net_rx_action+0x495/0xbe0
[ 1811.832283][   T10]      __do_softirq+0x1b5/0x7f6
[ 1811.832283][   T10] 
[ 1811.833983][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1811.833983][   T10]      netdev_get_by_index+0x5e/0x80
[ 1811.833983][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1811.833983][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1811.833983][   T10]      ip6_route_add+0x1c/0x140
[ 1811.833983][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1811.833983][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1811.833983][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1811.833983][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1811.833983][   T10]      netlink_rcv_skb+0x130/0x360
[ 1811.833983][   T10]      netlink_unicast+0x449/0x710
[ 1811.833983][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1811.833983][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1811.833983][   T10]      ___sys_sendmsg+0xee/0x170
[ 1811.833983][   T10]      __sys_sendmsg+0xcd/0x170
[ 1811.833983][   T10]      do_syscall_64+0xc6/0x1e0
[ 1811.833983][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1811.833983][   T10] 
[ 1811.836033][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1811.836033][   T10]      netdev_get_by_index+0x5e/0x80
[ 1811.836033][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1811.836033][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1811.836033][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1811.836033][   T10]      ipv6_add_addr+0x411/0x2000
[ 1811.836033][   T10]      inet6_addr_add+0x30e/0xa40
[ 1811.836033][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1811.836033][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1811.836033][   T10]      netlink_rcv_skb+0x130/0x360
[ 1811.836033][   T10]      netlink_unicast+0x449/0x710
[ 1811.836033][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1811.836033][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1811.836033][   T10]      ___sys_sendmsg+0xee/0x170
[ 1811.836033][   T10]      __sys_sendmsg+0xcd/0x170
[ 1811.836033][   T10]      do_syscall_64+0xc6/0x1e0
[ 1811.836033][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1811.836033][   T10] 
[ 1811.838056][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1811.838056][   T10]      netdev_get_by_index+0x5e/0x80
[ 1811.838056][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1811.838056][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1811.838056][   T10]      ip6_route_add+0x1c/0x140
[ 1811.838056][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1811.838056][   T10]      addrconf_add_dev+0xe2/0x170
[ 1811.838056][   T10]      inet6_addr_add+0x12f/0xa40
[ 1811.838056][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1811.838056][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1811.838056][   T10]      netlink_rcv_skb+0x130/0x360
[ 1811.838056][   T10]      netlink_unicast+0x449/0x710
[ 1811.838056][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1811.838056][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1811.838056][   T10]      ___sys_sendmsg+0xee/0x170
[ 1811.838056][   T10]      __sys_sendmsg+0xcd/0x170
[ 1811.838056][   T10]      do_syscall_64+0xc6/0x1e0
[ 1811.838056][   T10] 
[ 1811.840028][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1811.840028][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1811.840028][   T10]      ipv6_find_idev+0x102/0x170
[ 1811.840028][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1811.840028][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1811.840028][   T10]      netlink_rcv_skb+0x130/0x360
[ 1811.840028][   T10]      netlink_unicast+0x449/0x710
[ 1811.840028][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1811.840028][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1811.840028][   T10]      ___sys_sendmsg+0xee/0x170
[ 1811.840028][   T10]      __sys_sendmsg+0xcd/0x170
[ 1811.840028][   T10]      do_syscall_64+0xc6/0x1e0
[ 1811.840028][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1811.840028][   T10] 
[ 1811.841673][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1811.841673][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1811.841673][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1811.841673][   T10]      ipv6_find_idev+0x102/0x170
[ 1811.841673][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1811.841673][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1811.841673][   T10]      netlink_rcv_skb+0x130/0x360
[ 1811.841673][   T10]      netlink_unicast+0x449/0x710
[ 1811.841673][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1811.841673][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1811.841673][   T10]      ___sys_sendmsg+0xee/0x170
[ 1811.841673][   T10]      __sys_sendmsg+0xcd/0x170
[ 1811.841673][   T10]      do_syscall_64+0xc6/0x1e0
[ 1811.841673][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1811.841673][   T10] 
[ 1811.843364][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1811.843618][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1811.843618][   T10]      netdev_get_by_index+0x5e/0x80
[ 1811.843618][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1811.843618][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1811.843618][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1811.843618][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1811.843618][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1811.843618][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1811.843618][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1811.843618][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1811.843618][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1811.843618][   T10]      vfs_write+0x9e5/0x10a0
[ 1811.843618][   T10]      ksys_write+0xf5/0x1e0
[ 1811.843618][   T10]      do_syscall_64+0xc6/0x1e0
[ 1811.843618][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1811.843618][   T10] 
[ 1811.845451][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1811.845451][   T10]      netdev_get_by_index+0x5e/0x80
[ 1811.845451][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1811.845451][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1811.845451][   T10]      ip6_route_add+0x1c/0x140
[ 1811.845451][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1811.845451][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1811.845451][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1811.845451][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1811.845451][   T10]      netlink_rcv_skb+0x130/0x360
[ 1811.845451][   T10]      netlink_unicast+0x449/0x710
[ 1811.845451][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1811.845451][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1811.845451][   T10]      ___sys_sendmsg+0xee/0x170
[ 1811.845451][   T10]      __sys_sendmsg+0xcd/0x170
[ 1811.845451][   T10]      do_syscall_64+0xc6/0x1e0
[ 1811.845451][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1811.845451][   T10] 
[ 1811.847462][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1811.847462][   T10]      netdev_get_by_index+0x5e/0x80
[ 1811.847462][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1811.847462][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1811.847462][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1811.847462][   T10]      ipv6_add_addr+0x411/0x2000
[ 1811.847462][   T10]      inet6_addr_add+0x30e/0xa40
[ 1811.847462][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1811.847462][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1811.847462][   T10]      netlink_rcv_skb+0x130/0x360
[ 1811.847462][   T10]      netlink_unicast+0x449/0x710
[ 1811.847462][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1811.847462][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1811.847462][   T10]      ___sys_sendmsg+0xee/0x170
[ 1811.847462][   T10]      __sys_sendmsg+0xcd/0x170
[ 1811.847462][   T10]      do_syscall_64+0xc6/0x1e0
[ 1811.847462][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1811.847462][   T10] 
[ 1811.849469][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1811.849469][   T10]      netdev_get_by_index+0x5e/0x80
[ 1811.849469][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1811.849469][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1811.849469][   T10]      ip6_route_add+0x1c/0x140
[ 1811.849469][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1811.849469][   T10]      addrconf_add_dev+0xe2/0x170
[ 1811.849469][   T10]      inet6_addr_add+0x12f/0xa40
[ 1811.849469][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1811.849469][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1811.849469][   T10]      netlink_rcv_skb+0x130/0x360
[ 1811.849469][   T10]      netlink_unicast+0x449/0x710
[ 1811.849469][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1811.849469][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1811.849469][   T10]      ___sys_sendmsg+0xee/0x170
[ 1811.849469][   T10]      __sys_sendmsg+0xcd/0x170
[ 1811.849469][   T10]      do_syscall_64+0xc6/0x1e0
[ 1811.849469][   T10] 
[ 1811.851446][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1811.851446][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1811.851446][   T10]      ipv6_find_idev+0x102/0x170
[ 1811.851446][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1811.851446][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1811.851446][   T10]      netlink_rcv_skb+0x130/0x360
[ 1811.851446][   T10]      netlink_unicast+0x449/0x710
[ 1811.851446][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1811.851446][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1811.851446][   T10]      ___sys_sendmsg+0xee/0x170
[ 1811.851446][   T10]      __sys_sendmsg+0xcd/0x170
[ 1811.851446][   T10]      do_syscall_64+0xc6/0x1e0
[ 1811.851446][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1811.851446][   T10] 
[ 1811.852994][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1811.852994][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1811.852994][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1811.852994][   T10]      ipv6_find_idev+0x102/0x170
[ 1811.852994][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1811.852994][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1811.852994][   T10]      netlink_rcv_skb+0x130/0x360
[ 1811.852994][   T10]      netlink_unicast+0x449/0x710
[ 1811.852994][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1811.852994][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1811.852994][   T10]      ___sys_sendmsg+0xee/0x170
[ 1811.852994][   T10]      __sys_sendmsg+0xcd/0x170
[ 1811.852994][   T10]      do_syscall_64+0xc6/0x1e0
[ 1811.852994][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1811.852994][   T10] 
[ 1822.095796][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1822.096266][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1822.096266][   T10]      dst_init+0x84/0x4a0
[ 1822.096266][   T10]      dst_alloc+0x97/0x150
[ 1822.096266][   T10]      ip6_dst_alloc+0x23/0x90
[ 1822.096266][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1822.096266][   T10]      ip6_pol_route+0x56f/0x840
[ 1822.096266][   T10]      fib6_rule_lookup+0x456/0x630
[ 1822.096266][   T10]      ip6_route_input+0x59c/0xa50
[ 1822.096266][   T10]      ipv6_rcv+0x397/0x810
[ 1822.096266][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1822.096266][   T10]      process_backlog+0x101/0x620
[ 1822.096266][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1822.096266][   T10]      net_rx_action+0x495/0xbe0
[ 1822.096266][   T10]      __do_softirq+0x1b5/0x7f6
[ 1822.096266][   T10] 
[ 1822.097973][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1822.097973][   T10]      netdev_get_by_index+0x5e/0x80
[ 1822.097973][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1822.097973][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1822.097973][   T10]      ip6_route_add+0x1c/0x140
[ 1822.097973][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1822.097973][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1822.097973][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1822.097973][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1822.097973][   T10]      netlink_rcv_skb+0x130/0x360
[ 1822.097973][   T10]      netlink_unicast+0x449/0x710
[ 1822.097973][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1822.097973][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1822.097973][   T10]      ___sys_sendmsg+0xee/0x170
[ 1822.097973][   T10]      __sys_sendmsg+0xcd/0x170
[ 1822.097973][   T10]      do_syscall_64+0xc6/0x1e0
[ 1822.097973][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1822.097973][   T10] 
[ 1822.099995][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1822.099995][   T10]      netdev_get_by_index+0x5e/0x80
[ 1822.099995][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1822.099995][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1822.099995][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1822.099995][   T10]      ipv6_add_addr+0x411/0x2000
[ 1822.099995][   T10]      inet6_addr_add+0x30e/0xa40
[ 1822.099995][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1822.099995][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1822.099995][   T10]      netlink_rcv_skb+0x130/0x360
[ 1822.099995][   T10]      netlink_unicast+0x449/0x710
[ 1822.099995][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1822.099995][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1822.099995][   T10]      ___sys_sendmsg+0xee/0x170
[ 1822.099995][   T10]      __sys_sendmsg+0xcd/0x170
[ 1822.099995][   T10]      do_syscall_64+0xc6/0x1e0
[ 1822.099995][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1822.099995][   T10] 
[ 1822.102039][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1822.102039][   T10]      netdev_get_by_index+0x5e/0x80
[ 1822.102039][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1822.102039][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1822.102039][   T10]      ip6_route_add+0x1c/0x140
[ 1822.102039][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1822.102039][   T10]      addrconf_add_dev+0xe2/0x170
[ 1822.102039][   T10]      inet6_addr_add+0x12f/0xa40
[ 1822.102039][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1822.102039][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1822.102039][   T10]      netlink_rcv_skb+0x130/0x360
[ 1822.102039][   T10]      netlink_unicast+0x449/0x710
[ 1822.102039][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1822.102039][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1822.102039][   T10]      ___sys_sendmsg+0xee/0x170
[ 1822.102039][   T10]      __sys_sendmsg+0xcd/0x170
[ 1822.102039][   T10]      do_syscall_64+0xc6/0x1e0
[ 1822.102039][   T10] 
[ 1822.104015][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1822.104015][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1822.104015][   T10]      ipv6_find_idev+0x102/0x170
[ 1822.104015][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1822.104015][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1822.104015][   T10]      netlink_rcv_skb+0x130/0x360
[ 1822.104015][   T10]      netlink_unicast+0x449/0x710
[ 1822.104015][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1822.104015][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1822.104015][   T10]      ___sys_sendmsg+0xee/0x170
[ 1822.104015][   T10]      __sys_sendmsg+0xcd/0x170
[ 1822.104015][   T10]      do_syscall_64+0xc6/0x1e0
[ 1822.104015][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1822.104015][   T10] 
[ 1822.105592][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1822.105592][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1822.105592][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1822.105592][   T10]      ipv6_find_idev+0x102/0x170
[ 1822.105592][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1822.105592][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1822.105592][   T10]      netlink_rcv_skb+0x130/0x360
[ 1822.105592][   T10]      netlink_unicast+0x449/0x710
[ 1822.105592][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1822.105592][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1822.105592][   T10]      ___sys_sendmsg+0xee/0x170
[ 1822.105592][   T10]      __sys_sendmsg+0xcd/0x170
[ 1822.105592][   T10]      do_syscall_64+0xc6/0x1e0
[ 1822.105592][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1822.105592][   T10] 
[ 1822.107299][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1822.107548][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1822.107548][   T10]      netdev_get_by_index+0x5e/0x80
[ 1822.107548][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1822.107548][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1822.107548][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1822.107548][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1822.107548][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1822.107548][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1822.107548][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1822.107548][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1822.107548][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1822.107548][   T10]      vfs_write+0x9e5/0x10a0
[ 1822.107548][   T10]      ksys_write+0xf5/0x1e0
[ 1822.107548][   T10]      do_syscall_64+0xc6/0x1e0
[ 1822.107548][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1822.107548][   T10] 
[ 1822.109365][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1822.109365][   T10]      netdev_get_by_index+0x5e/0x80
[ 1822.109365][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1822.109365][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1822.109365][   T10]      ip6_route_add+0x1c/0x140
[ 1822.109365][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1822.109365][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1822.109365][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1822.109365][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1822.109365][   T10]      netlink_rcv_skb+0x130/0x360
[ 1822.109365][   T10]      netlink_unicast+0x449/0x710
[ 1822.109365][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1822.109365][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1822.109365][   T10]      ___sys_sendmsg+0xee/0x170
[ 1822.109365][   T10]      __sys_sendmsg+0xcd/0x170
[ 1822.109365][   T10]      do_syscall_64+0xc6/0x1e0
[ 1822.109365][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1822.109365][   T10] 
[ 1822.111372][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1822.111372][   T10]      netdev_get_by_index+0x5e/0x80
[ 1822.111372][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1822.111372][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1822.111372][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1822.111372][   T10]      ipv6_add_addr+0x411/0x2000
[ 1822.111372][   T10]      inet6_addr_add+0x30e/0xa40
[ 1822.111372][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1822.111372][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1822.111372][   T10]      netlink_rcv_skb+0x130/0x360
[ 1822.111372][   T10]      netlink_unicast+0x449/0x710
[ 1822.111372][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1822.111372][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1822.111372][   T10]      ___sys_sendmsg+0xee/0x170
[ 1822.111372][   T10]      __sys_sendmsg+0xcd/0x170
[ 1822.111372][   T10]      do_syscall_64+0xc6/0x1e0
[ 1822.111372][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1822.111372][   T10] 
[ 1822.113370][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1822.113370][   T10]      netdev_get_by_index+0x5e/0x80
[ 1822.113370][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1822.113370][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1822.113370][   T10]      ip6_route_add+0x1c/0x140
[ 1822.113370][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1822.113370][   T10]      addrconf_add_dev+0xe2/0x170
[ 1822.113370][   T10]      inet6_addr_add+0x12f/0xa40
[ 1822.113370][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1822.113370][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1822.113370][   T10]      netlink_rcv_skb+0x130/0x360
[ 1822.113370][   T10]      netlink_unicast+0x449/0x710
[ 1822.113370][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1822.113370][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1822.113370][   T10]      ___sys_sendmsg+0xee/0x170
[ 1822.113370][   T10]      __sys_sendmsg+0xcd/0x170
[ 1822.113370][   T10]      do_syscall_64+0xc6/0x1e0
[ 1822.113370][   T10] 
[ 1822.115383][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1822.115383][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1822.115383][   T10]      ipv6_find_idev+0x102/0x170
[ 1822.115383][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1822.115383][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1822.115383][   T10]      netlink_rcv_skb+0x130/0x360
[ 1822.115383][   T10]      netlink_unicast+0x449/0x710
[ 1822.115383][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1822.115383][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1822.115383][   T10]      ___sys_sendmsg+0xee/0x170
[ 1822.115383][   T10]      __sys_sendmsg+0xcd/0x170
[ 1822.115383][   T10]      do_syscall_64+0xc6/0x1e0
[ 1822.115383][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1822.115383][   T10] 
[ 1822.116923][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1822.116923][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1822.116923][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1822.116923][   T10]      ipv6_find_idev+0x102/0x170
[ 1822.116923][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1822.116923][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1822.116923][   T10]      netlink_rcv_skb+0x130/0x360
[ 1822.116923][   T10]      netlink_unicast+0x449/0x710
[ 1822.116923][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1822.116923][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1822.116923][   T10]      ___sys_sendmsg+0xee/0x170
[ 1822.116923][   T10]      __sys_sendmsg+0xcd/0x170
[ 1822.116923][   T10]      do_syscall_64+0xc6/0x1e0
[ 1822.116923][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1822.116923][   T10] 
[ 1832.223851][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1832.224277][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1832.224277][   T10]      dst_init+0x84/0x4a0
[ 1832.224277][   T10]      dst_alloc+0x97/0x150
[ 1832.224277][   T10]      ip6_dst_alloc+0x23/0x90
[ 1832.224277][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1832.224277][   T10]      ip6_pol_route+0x56f/0x840
[ 1832.224277][   T10]      fib6_rule_lookup+0x456/0x630
[ 1832.224277][   T10]      ip6_route_input+0x59c/0xa50
[ 1832.224277][   T10]      ipv6_rcv+0x397/0x810
[ 1832.224277][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1832.224277][   T10]      process_backlog+0x101/0x620
[ 1832.224277][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1832.224277][   T10]      net_rx_action+0x495/0xbe0
[ 1832.224277][   T10]      __do_softirq+0x1b5/0x7f6
[ 1832.224277][   T10] 
[ 1832.225955][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1832.225955][   T10]      netdev_get_by_index+0x5e/0x80
[ 1832.225955][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1832.225955][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1832.225955][   T10]      ip6_route_add+0x1c/0x140
[ 1832.225955][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1832.225955][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1832.225955][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1832.225955][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1832.225955][   T10]      netlink_rcv_skb+0x130/0x360
[ 1832.225955][   T10]      netlink_unicast+0x449/0x710
[ 1832.225955][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1832.225955][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1832.225955][   T10]      ___sys_sendmsg+0xee/0x170
[ 1832.225955][   T10]      __sys_sendmsg+0xcd/0x170
[ 1832.225955][   T10]      do_syscall_64+0xc6/0x1e0
[ 1832.225955][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1832.225955][   T10] 
[ 1832.227985][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1832.227985][   T10]      netdev_get_by_index+0x5e/0x80
[ 1832.227985][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1832.227985][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1832.227985][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1832.227985][   T10]      ipv6_add_addr+0x411/0x2000
[ 1832.227985][   T10]      inet6_addr_add+0x30e/0xa40
[ 1832.227985][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1832.227985][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1832.227985][   T10]      netlink_rcv_skb+0x130/0x360
[ 1832.227985][   T10]      netlink_unicast+0x449/0x710
[ 1832.227985][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1832.227985][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1832.227985][   T10]      ___sys_sendmsg+0xee/0x170
[ 1832.227985][   T10]      __sys_sendmsg+0xcd/0x170
[ 1832.227985][   T10]      do_syscall_64+0xc6/0x1e0
[ 1832.227985][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1832.227985][   T10] 
[ 1832.230011][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1832.230011][   T10]      netdev_get_by_index+0x5e/0x80
[ 1832.230011][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1832.230011][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1832.230011][   T10]      ip6_route_add+0x1c/0x140
[ 1832.230011][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1832.230011][   T10]      addrconf_add_dev+0xe2/0x170
[ 1832.230011][   T10]      inet6_addr_add+0x12f/0xa40
[ 1832.230011][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1832.230011][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1832.230011][   T10]      netlink_rcv_skb+0x130/0x360
[ 1832.230011][   T10]      netlink_unicast+0x449/0x710
[ 1832.230011][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1832.230011][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1832.230011][   T10]      ___sys_sendmsg+0xee/0x170
[ 1832.230011][   T10]      __sys_sendmsg+0xcd/0x170
[ 1832.230011][   T10]      do_syscall_64+0xc6/0x1e0
[ 1832.230011][   T10] 
[ 1832.231993][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1832.231993][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1832.231993][   T10]      ipv6_find_idev+0x102/0x170
[ 1832.231993][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1832.231993][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1832.231993][   T10]      netlink_rcv_skb+0x130/0x360
[ 1832.231993][   T10]      netlink_unicast+0x449/0x710
[ 1832.231993][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1832.231993][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1832.231993][   T10]      ___sys_sendmsg+0xee/0x170
[ 1832.231993][   T10]      __sys_sendmsg+0xcd/0x170
[ 1832.231993][   T10]      do_syscall_64+0xc6/0x1e0
[ 1832.231993][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1832.231993][   T10] 
[ 1832.233657][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1832.233657][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1832.233657][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1832.233657][   T10]      ipv6_find_idev+0x102/0x170
[ 1832.233657][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1832.233657][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1832.233657][   T10]      netlink_rcv_skb+0x130/0x360
[ 1832.233657][   T10]      netlink_unicast+0x449/0x710
[ 1832.233657][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1832.233657][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1832.233657][   T10]      ___sys_sendmsg+0xee/0x170
[ 1832.233657][   T10]      __sys_sendmsg+0xcd/0x170
[ 1832.233657][   T10]      do_syscall_64+0xc6/0x1e0
[ 1832.233657][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1832.233657][   T10] 
[ 1832.235372][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1832.235628][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1832.235628][   T10]      netdev_get_by_index+0x5e/0x80
[ 1832.235628][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1832.235628][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1832.235628][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1832.235628][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1832.235628][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1832.235628][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1832.235628][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1832.235628][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1832.235628][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1832.235628][   T10]      vfs_write+0x9e5/0x10a0
[ 1832.235628][   T10]      ksys_write+0xf5/0x1e0
[ 1832.235628][   T10]      do_syscall_64+0xc6/0x1e0
[ 1832.235628][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1832.235628][   T10] 
[ 1832.237453][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1832.237453][   T10]      netdev_get_by_index+0x5e/0x80
[ 1832.237453][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1832.237453][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1832.237453][   T10]      ip6_route_add+0x1c/0x140
[ 1832.237453][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1832.237453][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1832.237453][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1832.237453][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1832.237453][   T10]      netlink_rcv_skb+0x130/0x360
[ 1832.237453][   T10]      netlink_unicast+0x449/0x710
[ 1832.237453][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1832.237453][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1832.237453][   T10]      ___sys_sendmsg+0xee/0x170
[ 1832.237453][   T10]      __sys_sendmsg+0xcd/0x170
[ 1832.237453][   T10]      do_syscall_64+0xc6/0x1e0
[ 1832.237453][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1832.237453][   T10] 
[ 1832.239469][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1832.239469][   T10]      netdev_get_by_index+0x5e/0x80
[ 1832.239469][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1832.239469][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1832.239469][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1832.239469][   T10]      ipv6_add_addr+0x411/0x2000
[ 1832.239469][   T10]      inet6_addr_add+0x30e/0xa40
[ 1832.239469][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1832.239469][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1832.239469][   T10]      netlink_rcv_skb+0x130/0x360
[ 1832.239469][   T10]      netlink_unicast+0x449/0x710
[ 1832.239469][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1832.239469][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1832.239469][   T10]      ___sys_sendmsg+0xee/0x170
[ 1832.239469][   T10]      __sys_sendmsg+0xcd/0x170
[ 1832.239469][   T10]      do_syscall_64+0xc6/0x1e0
[ 1832.239469][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1832.239469][   T10] 
[ 1832.241470][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1832.241470][   T10]      netdev_get_by_index+0x5e/0x80
[ 1832.241470][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1832.241470][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1832.241470][   T10]      ip6_route_add+0x1c/0x140
[ 1832.241470][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1832.241470][   T10]      addrconf_add_dev+0xe2/0x170
[ 1832.241470][   T10]      inet6_addr_add+0x12f/0xa40
[ 1832.241470][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1832.241470][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1832.241470][   T10]      netlink_rcv_skb+0x130/0x360
[ 1832.241470][   T10]      netlink_unicast+0x449/0x710
[ 1832.241470][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1832.241470][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1832.241470][   T10]      ___sys_sendmsg+0xee/0x170
[ 1832.241470][   T10]      __sys_sendmsg+0xcd/0x170
[ 1832.241470][   T10]      do_syscall_64+0xc6/0x1e0
[ 1832.241470][   T10] 
[ 1832.243439][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1832.243439][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1832.243439][   T10]      ipv6_find_idev+0x102/0x170
[ 1832.243439][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1832.243439][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1832.243439][   T10]      netlink_rcv_skb+0x130/0x360
[ 1832.243439][   T10]      netlink_unicast+0x449/0x710
[ 1832.243439][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1832.243439][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1832.243439][   T10]      ___sys_sendmsg+0xee/0x170
[ 1832.243439][   T10]      __sys_sendmsg+0xcd/0x170
[ 1832.243439][   T10]      do_syscall_64+0xc6/0x1e0
[ 1832.243439][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1832.243439][   T10] 
[ 1832.244988][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1832.244988][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1832.244988][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1832.244988][   T10]      ipv6_find_idev+0x102/0x170
[ 1832.244988][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1832.244988][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1832.244988][   T10]      netlink_rcv_skb+0x130/0x360
[ 1832.244988][   T10]      netlink_unicast+0x449/0x710
[ 1832.244988][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1832.244988][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1832.244988][   T10]      ___sys_sendmsg+0xee/0x170
[ 1832.244988][   T10]      __sys_sendmsg+0xcd/0x170
[ 1832.244988][   T10]      do_syscall_64+0xc6/0x1e0
[ 1832.244988][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1832.244988][   T10] 
[ 1842.247803][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1842.248319][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1842.248319][   T10]      dst_init+0x84/0x4a0
[ 1842.248319][   T10]      dst_alloc+0x97/0x150
[ 1842.248319][   T10]      ip6_dst_alloc+0x23/0x90
[ 1842.248319][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1842.248319][   T10]      ip6_pol_route+0x56f/0x840
[ 1842.248319][   T10]      fib6_rule_lookup+0x456/0x630
[ 1842.248319][   T10]      ip6_route_input+0x59c/0xa50
[ 1842.248319][   T10]      ipv6_rcv+0x397/0x810
[ 1842.248319][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1842.248319][   T10]      process_backlog+0x101/0x620
[ 1842.248319][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1842.248319][   T10]      net_rx_action+0x495/0xbe0
[ 1842.248319][   T10]      __do_softirq+0x1b5/0x7f6
[ 1842.248319][   T10] 
[ 1842.250018][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1842.250018][   T10]      netdev_get_by_index+0x5e/0x80
[ 1842.250018][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1842.250018][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1842.250018][   T10]      ip6_route_add+0x1c/0x140
[ 1842.250018][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1842.250018][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1842.250018][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1842.250018][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1842.250018][   T10]      netlink_rcv_skb+0x130/0x360
[ 1842.250018][   T10]      netlink_unicast+0x449/0x710
[ 1842.250018][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1842.250018][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1842.250018][   T10]      ___sys_sendmsg+0xee/0x170
[ 1842.250018][   T10]      __sys_sendmsg+0xcd/0x170
[ 1842.250018][   T10]      do_syscall_64+0xc6/0x1e0
[ 1842.250018][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1842.250018][   T10] 
[ 1842.252042][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1842.252042][   T10]      netdev_get_by_index+0x5e/0x80
[ 1842.252042][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1842.252042][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1842.252042][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1842.252042][   T10]      ipv6_add_addr+0x411/0x2000
[ 1842.252042][   T10]      inet6_addr_add+0x30e/0xa40
[ 1842.252042][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1842.252042][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1842.252042][   T10]      netlink_rcv_skb+0x130/0x360
[ 1842.252042][   T10]      netlink_unicast+0x449/0x710
[ 1842.252042][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1842.252042][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1842.252042][   T10]      ___sys_sendmsg+0xee/0x170
[ 1842.252042][   T10]      __sys_sendmsg+0xcd/0x170
[ 1842.252042][   T10]      do_syscall_64+0xc6/0x1e0
[ 1842.252042][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1842.252042][   T10] 
[ 1842.254066][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1842.254066][   T10]      netdev_get_by_index+0x5e/0x80
[ 1842.254066][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1842.254066][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1842.254066][   T10]      ip6_route_add+0x1c/0x140
[ 1842.254066][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1842.254066][   T10]      addrconf_add_dev+0xe2/0x170
[ 1842.254066][   T10]      inet6_addr_add+0x12f/0xa40
[ 1842.254066][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1842.254066][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1842.254066][   T10]      netlink_rcv_skb+0x130/0x360
[ 1842.254066][   T10]      netlink_unicast+0x449/0x710
[ 1842.254066][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1842.254066][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1842.254066][   T10]      ___sys_sendmsg+0xee/0x170
[ 1842.254066][   T10]      __sys_sendmsg+0xcd/0x170
[ 1842.254066][   T10]      do_syscall_64+0xc6/0x1e0
[ 1842.254066][   T10] 
[ 1842.256055][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1842.256055][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1842.256055][   T10]      ipv6_find_idev+0x102/0x170
[ 1842.256055][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1842.256055][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1842.256055][   T10]      netlink_rcv_skb+0x130/0x360
[ 1842.256055][   T10]      netlink_unicast+0x449/0x710
[ 1842.256055][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1842.256055][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1842.256055][   T10]      ___sys_sendmsg+0xee/0x170
[ 1842.256055][   T10]      __sys_sendmsg+0xcd/0x170
[ 1842.256055][   T10]      do_syscall_64+0xc6/0x1e0
[ 1842.256055][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1842.256055][   T10] 
[ 1842.257609][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1842.257609][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1842.257609][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1842.257609][   T10]      ipv6_find_idev+0x102/0x170
[ 1842.257609][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1842.257609][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1842.257609][   T10]      netlink_rcv_skb+0x130/0x360
[ 1842.257609][   T10]      netlink_unicast+0x449/0x710
[ 1842.257609][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1842.257609][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1842.257609][   T10]      ___sys_sendmsg+0xee/0x170
[ 1842.257609][   T10]      __sys_sendmsg+0xcd/0x170
[ 1842.257609][   T10]      do_syscall_64+0xc6/0x1e0
[ 1842.257609][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1842.257609][   T10] 
[ 1842.259312][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1842.259566][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1842.259566][   T10]      netdev_get_by_index+0x5e/0x80
[ 1842.259566][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1842.259566][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1842.259566][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1842.259566][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1842.259566][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1842.259566][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1842.259566][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1842.259566][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1842.259566][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1842.259566][   T10]      vfs_write+0x9e5/0x10a0
[ 1842.259566][   T10]      ksys_write+0xf5/0x1e0
[ 1842.259566][   T10]      do_syscall_64+0xc6/0x1e0
[ 1842.259566][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1842.259566][   T10] 
[ 1842.261388][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1842.261388][   T10]      netdev_get_by_index+0x5e/0x80
[ 1842.261388][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1842.261388][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1842.261388][   T10]      ip6_route_add+0x1c/0x140
[ 1842.261388][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1842.261388][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1842.261388][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1842.261388][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1842.261388][   T10]      netlink_rcv_skb+0x130/0x360
[ 1842.261388][   T10]      netlink_unicast+0x449/0x710
[ 1842.261388][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1842.261388][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1842.261388][   T10]      ___sys_sendmsg+0xee/0x170
[ 1842.261388][   T10]      __sys_sendmsg+0xcd/0x170
[ 1842.261388][   T10]      do_syscall_64+0xc6/0x1e0
[ 1842.261388][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1842.261388][   T10] 
[ 1842.263392][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1842.263392][   T10]      netdev_get_by_index+0x5e/0x80
[ 1842.263392][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1842.263392][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1842.263392][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1842.263392][   T10]      ipv6_add_addr+0x411/0x2000
[ 1842.263392][   T10]      inet6_addr_add+0x30e/0xa40
[ 1842.263392][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1842.263392][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1842.263392][   T10]      netlink_rcv_skb+0x130/0x360
[ 1842.263392][   T10]      netlink_unicast+0x449/0x710
[ 1842.263392][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1842.263392][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1842.263392][   T10]      ___sys_sendmsg+0xee/0x170
[ 1842.263392][   T10]      __sys_sendmsg+0xcd/0x170
[ 1842.263392][   T10]      do_syscall_64+0xc6/0x1e0
[ 1842.263392][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1842.263392][   T10] 
[ 1842.265406][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1842.265406][   T10]      netdev_get_by_index+0x5e/0x80
[ 1842.265406][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1842.265406][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1842.265406][   T10]      ip6_route_add+0x1c/0x140
[ 1842.265406][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1842.265406][   T10]      addrconf_add_dev+0xe2/0x170
[ 1842.265406][   T10]      inet6_addr_add+0x12f/0xa40
[ 1842.265406][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1842.265406][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1842.265406][   T10]      netlink_rcv_skb+0x130/0x360
[ 1842.265406][   T10]      netlink_unicast+0x449/0x710
[ 1842.265406][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1842.265406][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1842.265406][   T10]      ___sys_sendmsg+0xee/0x170
[ 1842.265406][   T10]      __sys_sendmsg+0xcd/0x170
[ 1842.265406][   T10]      do_syscall_64+0xc6/0x1e0
[ 1842.265406][   T10] 
[ 1842.267388][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1842.267388][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1842.267388][   T10]      ipv6_find_idev+0x102/0x170
[ 1842.267388][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1842.267388][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1842.267388][   T10]      netlink_rcv_skb+0x130/0x360
[ 1842.267388][   T10]      netlink_unicast+0x449/0x710
[ 1842.267388][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1842.267388][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1842.267388][   T10]      ___sys_sendmsg+0xee/0x170
[ 1842.267388][   T10]      __sys_sendmsg+0xcd/0x170
[ 1842.267388][   T10]      do_syscall_64+0xc6/0x1e0
[ 1842.267388][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1842.267388][   T10] 
[ 1842.268934][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1842.268934][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1842.268934][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1842.268934][   T10]      ipv6_find_idev+0x102/0x170
[ 1842.268934][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1842.268934][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1842.268934][   T10]      netlink_rcv_skb+0x130/0x360
[ 1842.268934][   T10]      netlink_unicast+0x449/0x710
[ 1842.268934][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1842.268934][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1842.268934][   T10]      ___sys_sendmsg+0xee/0x170
[ 1842.268934][   T10]      __sys_sendmsg+0xcd/0x170
[ 1842.268934][   T10]      do_syscall_64+0xc6/0x1e0
[ 1842.268934][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1842.268934][   T10] 
[ 1844.519905][   T42] INFO: task modprobe:13029 blocked for more than 245 seconds.
[ 1844.520361][   T42]       Not tainted 6.8.0-virtme #1
[ 1844.520499][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1844.520738][   T42] task:modprobe        state:D stack:25744 pid:13029 tgid:13029 ppid:38     flags:0x00004002
[ 1844.521011][   T42] Call Trace:
[ 1844.521112][   T42]  <TASK>
[ 1844.521186][   T42]  __schedule+0x705/0x1ac0
[ 1844.521328][   T42]  ? __pfx___schedule+0x10/0x10
[ 1844.521463][   T42]  ? schedule+0x1a5/0x210
[ 1844.521565][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1844.521721][   T42]  ? mark_lock+0x38/0x3e0
[ 1844.521823][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 1844.521958][   T42]  ? schedule+0x1a5/0x210
[ 1844.522079][   T42]  schedule+0xdf/0x210
[ 1844.522185][   T42]  schedule_preempt_disabled+0x15/0x30
[ 1844.522325][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[ 1844.522470][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 1844.522647][   T42]  ? kasan_save_stack+0x34/0x50
[ 1844.522795][   T42]  ? kasan_save_stack+0x24/0x50
[ 1844.522934][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1844.523072][   T42]  ? lock_acquire+0x1c1/0x220
[ 1844.523203][   T42]  ? register_pernet_subsys+0x1a/0x50
[ 1844.523346][   T42]  down_write+0x1c9/0x200
[ 1844.523452][   T42]  ? __pfx_down_write+0x10/0x10
[ 1844.523588][   T42]  ? __pfx___lock_release+0x10/0x10
[ 1844.523736][   T42]  ? __pfx_tls_register+0x10/0x10 [tls]
[ 1844.523894][   T42]  register_pernet_subsys+0x1a/0x50
[ 1844.524029][   T42]  tls_register+0x17/0x60 [tls]
[ 1844.524179][   T42]  do_one_initcall+0xc8/0x3f0
[ 1844.524315][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[ 1844.524450][   T42]  ? __create_object+0x5e/0xb0
[ 1844.524594][   T42]  ? kasan_unpoison+0x27/0x60
[ 1844.524748][   T42]  do_init_module+0x233/0x740
[ 1844.524891][   T42]  load_module+0x16b5/0x2350
[ 1844.525036][   T42]  ? __pfx_load_module+0x10/0x10
[ 1844.525178][   T42]  ? kernel_read_file+0x3d2/0x520
[ 1844.525318][   T42]  ? kernel_read_file+0x300/0x520
[ 1844.525453][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[ 1844.525592][   T42]  ? init_module_from_file+0xd2/0x130
[ 1844.525757][   T42]  init_module_from_file+0xd2/0x130
[ 1844.525895][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[ 1844.526069][   T42]  ? __lock_release+0x103/0x460
[ 1844.526205][   T42]  ? idempotent_init_module+0x32a/0x620
[ 1844.526356][   T42]  ? idempotent_init_module+0x32a/0x620
[ 1844.526495][   T42]  ? do_raw_spin_unlock+0x58/0x220
[ 1844.526640][   T42]  idempotent_init_module+0x342/0x620
[ 1844.526807][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 1844.526999][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 1844.527139][   T42]  do_syscall_64+0xc6/0x1e0
[ 1844.527288][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1844.527470][   T42] RIP: 0033:0x7f87f9f64e5d
[ 1844.527614][   T42] RSP: 002b:00007ffd1f8c9508 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 1844.527837][   T42] RAX: ffffffffffffffda RBX: 000056185e3e39f0 RCX: 00007f87f9f64e5d
[ 1844.528050][   T42] RDX: 0000000000000000 RSI: 00005618200b9a2a RDI: 0000000000000000
[ 1844.528245][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffd1f8c9640
[ 1844.528447][   T42] R10: 0000000000000000 R11: 0000000000000246 R12: 00005618200b9a2a
[ 1844.528639][   T42] R13: 000056185e3e3b30 R14: 000056185e3e3e10 R15: 000056185e3e3a5c
[ 1844.528856][   T42]  </TASK>
[ 1844.528961][   T42] INFO: task modprobe:13031 blocked for more than 245 seconds.
[ 1844.529150][   T42]       Not tainted 6.8.0-virtme #1
[ 1844.529273][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1844.529490][   T42] task:modprobe        state:D stack:26704 pid:13031 tgid:13031 ppid:39     flags:0x00000002
[ 1844.529755][   T42] Call Trace:
[ 1844.529853][   T42]  <TASK>
[ 1844.529925][   T42]  __schedule+0x705/0x1ac0
[ 1844.530061][   T42]  ? __pfx___schedule+0x10/0x10
[ 1844.530192][   T42]  ? schedule+0x1a5/0x210
[ 1844.530296][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1844.530436][   T42]  ? schedule+0x1a5/0x210
[ 1844.530546][   T42]  schedule+0xdf/0x210
[ 1844.530649][   T42]  schedule_timeout+0x212/0x250
[ 1844.530805][   T42]  ? __pfx_schedule_timeout+0x10/0x10
[ 1844.530959][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1844.531098][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 1844.531238][   T42]  ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1844.531383][   T42]  ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370
[ 1844.531554][   T42]  __wait_for_common+0x1c9/0x5f0
[ 1844.531722][   T42]  ? __pfx_schedule_timeout+0x10/0x10
[ 1844.531862][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1844.532000][   T42]  ? vm_mmap_pgoff+0x1d2/0x2f0
[ 1844.532138][   T42]  ? __pfx___wait_for_common+0x10/0x10
[ 1844.532279][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 1844.532424][   T42]  ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1844.532567][   T42]  ? idempotent_init_module+0x286/0x620
[ 1844.532712][   T42]  idempotent_init_module+0x290/0x620
[ 1844.532845][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 1844.533023][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 1844.533160][   T42]  do_syscall_64+0xc6/0x1e0
[ 1844.533292][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1844.533455][   T42] RIP: 0033:0x7fdfabab6e5d
[ 1844.533588][   T42] RSP: 002b:00007fffc6cb7488 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 1844.533798][   T42] RAX: ffffffffffffffda RBX: 0000562d96eed9f0 RCX: 00007fdfabab6e5d
[ 1844.533993][   T42] RDX: 0000000000000000 RSI: 0000562d624b1a2a RDI: 0000000000000000
[ 1844.534182][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007fffc6cb75c0
[ 1844.534378][   T42] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562d624b1a2a
[ 1844.534568][   T42] R13: 0000562d96eedb30 R14: 0000562d96eede10 R15: 0000562d96eeda5c
[ 1844.534786][   T42]  </TASK>
[ 1844.534884][   T42] INFO: task modprobe:13035 blocked for more than 245 seconds.
[ 1844.535084][   T42]       Not tainted 6.8.0-virtme #1
[ 1844.535210][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1844.535430][   T42] task:modprobe        state:D stack:26704 pid:13035 tgid:13035 ppid:57     flags:0x00000002
[ 1844.535723][   T42] Call Trace:
[ 1844.535832][   T42]  <TASK>
[ 1844.535904][   T42]  __schedule+0x705/0x1ac0
[ 1844.536053][   T42]  ? __pfx___schedule+0x10/0x10
[ 1844.536184][   T42]  ? schedule+0x1a5/0x210
[ 1844.536293][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1844.536432][   T42]  ? schedule+0x1a5/0x210
[ 1844.536537][   T42]  schedule+0xdf/0x210
[ 1844.536637][   T42]  schedule_timeout+0x212/0x250
[ 1844.536775][   T42]  ? __pfx_schedule_timeout+0x10/0x10
[ 1844.536911][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1844.537042][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 1844.537177][   T42]  ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1844.537315][   T42]  ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370
[ 1844.537476][   T42]  __wait_for_common+0x1c9/0x5f0
[ 1844.537605][   T42]  ? __pfx_schedule_timeout+0x10/0x10
[ 1844.537746][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1844.537875][   T42]  ? vm_mmap_pgoff+0x1d2/0x2f0
[ 1844.538010][   T42]  ? __pfx___wait_for_common+0x10/0x10
[ 1844.538147][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 1844.538284][   T42]  ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1844.538416][   T42]  ? idempotent_init_module+0x286/0x620
[ 1844.538551][   T42]  idempotent_init_module+0x290/0x620
[ 1844.538684][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 1844.538879][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 1844.539018][   T42]  do_syscall_64+0xc6/0x1e0
[ 1844.539156][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1844.539319][   T42] RIP: 0033:0x7f28fb549e5d
[ 1844.539454][   T42] RSP: 002b:00007ffcd9283a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 1844.539648][   T42] RAX: ffffffffffffffda RBX: 00005588c793e9f0 RCX: 00007f28fb549e5d
[ 1844.539864][   T42] RDX: 0000000000000000 RSI: 000055888ff63a2a RDI: 0000000000000000
[ 1844.540067][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffcd9283bc0
[ 1844.540258][   T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055888ff63a2a
[ 1844.540454][   T42] R13: 00005588c793eb30 R14: 00005588c793ee10 R15: 00005588c793ea5c
[ 1844.540663][   T42]  </TASK>
[ 1844.540772][   T42] INFO: task modprobe:13039 blocked for more than 122 seconds.
[ 1844.540955][   T42]       Not tainted 6.8.0-virtme #1
[ 1844.541082][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1844.541297][   T42] task:modprobe        state:D stack:26704 pid:13039 tgid:13039 ppid:13034  flags:0x00000002
[ 1844.541553][   T42] Call Trace:
[ 1844.541656][   T42]  <TASK>
[ 1844.541736][   T42]  __schedule+0x705/0x1ac0
[ 1844.541870][   T42]  ? __pfx___schedule+0x10/0x10
[ 1844.542001][   T42]  ? schedule+0x1a5/0x210
[ 1844.542108][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1844.542250][   T42]  ? schedule+0x1a5/0x210
[ 1844.542354][   T42]  schedule+0xdf/0x210
[ 1844.542455][   T42]  schedule_timeout+0x212/0x250
[ 1844.542608][   T42]  ? __pfx_schedule_timeout+0x10/0x10
[ 1844.542752][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1844.542908][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 1844.543049][   T42]  ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1844.543195][   T42]  ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370
[ 1844.543370][   T42]  __wait_for_common+0x1c9/0x5f0
[ 1844.543511][   T42]  ? __pfx_schedule_timeout+0x10/0x10
[ 1844.543649][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1844.543814][   T42]  ? vm_mmap_pgoff+0x1d2/0x2f0
[ 1844.543950][   T42]  ? __pfx___wait_for_common+0x10/0x10
[ 1844.544095][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 1844.544228][   T42]  ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1844.544363][   T42]  ? idempotent_init_module+0x286/0x620
[ 1844.544498][   T42]  idempotent_init_module+0x290/0x620
[ 1844.544631][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 1844.544819][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 1844.544952][   T42]  do_syscall_64+0xc6/0x1e0
[ 1844.545086][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1844.545250][   T42] RIP: 0033:0x7fd8b1223e5d
[ 1844.545387][   T42] RSP: 002b:00007ffd13214fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 1844.545584][   T42] RAX: ffffffffffffffda RBX: 000055ca24bbb9f0 RCX: 00007fd8b1223e5d
[ 1844.545791][   T42] RDX: 0000000000000000 RSI: 000055ca1e088a2a RDI: 0000000000000000
[ 1844.545991][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffd13215100
[ 1844.546184][   T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ca1e088a2a
[ 1844.546398][   T42] R13: 000055ca24bbbb30 R14: 000055ca24bbbe10 R15: 000055ca24bbba5c
[ 1844.546609][   T42]  </TASK>
[ 1844.546718][   T42] INFO: task modprobe:13043 blocked for more than 122 seconds.
[ 1844.546916][   T42]       Not tainted 6.8.0-virtme #1
[ 1844.547040][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1844.547247][   T42] task:modprobe        state:D stack:26704 pid:13043 tgid:13043 ppid:13038  flags:0x00000002
[ 1844.547514][   T42] Call Trace:
[ 1844.547613][   T42]  <TASK>
[ 1844.547684][   T42]  __schedule+0x705/0x1ac0
[ 1844.547845][   T42]  ? __pfx___schedule+0x10/0x10
[ 1844.547974][   T42]  ? schedule+0x1a5/0x210
[ 1844.548075][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1844.548277][   T42]  ? schedule+0x1a5/0x210
[ 1844.548380][   T42]  schedule+0xdf/0x210
[ 1844.548481][   T42]  schedule_timeout+0x212/0x250
[ 1844.548621][   T42]  ? __pfx_schedule_timeout+0x10/0x10
[ 1844.548818][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1844.548950][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 1844.549083][   T42]  ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1844.549221][   T42]  ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370
[ 1844.549386][   T42]  __wait_for_common+0x1c9/0x5f0
[ 1844.549580][   T42]  ? __pfx_schedule_timeout+0x10/0x10
[ 1844.549724][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1844.549857][   T42]  ? vm_mmap_pgoff+0x1d2/0x2f0
[ 1844.549989][   T42]  ? __pfx___wait_for_common+0x10/0x10
[ 1844.550179][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 1844.550313][   T42]  ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1844.550446][   T42]  ? idempotent_init_module+0x286/0x620
[ 1844.550581][   T42]  idempotent_init_module+0x290/0x620
[ 1844.550832][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 1844.551019][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 1844.551151][   T42]  do_syscall_64+0xc6/0x1e0
[ 1844.551284][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1844.551506][   T42] RIP: 0033:0x7ff3e0abbe5d
[ 1844.551640][   T42] RSP: 002b:00007ffc8deb0778 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 1844.551856][   T42] RAX: ffffffffffffffda RBX: 0000561bb32eb9f0 RCX: 00007ff3e0abbe5d
[ 1844.552120][   T42] RDX: 0000000000000000 RSI: 0000561b8d036a2a RDI: 0000000000000000
[ 1844.552315][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffc8deb08b0
[ 1844.552510][   T42] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561b8d036a2a
[ 1844.552770][   T42] R13: 0000561bb32ebb30 R14: 0000561bb32ebe10 R15: 0000561bb32eba5c
[ 1844.552977][   T42]  </TASK>
[ 1844.553077][   T42] INFO: task modprobe:13046 blocked for more than 122 seconds.
[ 1844.553313][   T42]       Not tainted 6.8.0-virtme #1
[ 1844.553438][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1844.553652][   T42] task:modprobe        state:D stack:26704 pid:13046 tgid:13046 ppid:36     flags:0x00000002
[ 1844.553973][   T42] Call Trace:
[ 1844.554073][   T42]  <TASK>
[ 1844.554145][   T42]  __schedule+0x705/0x1ac0
[ 1844.554287][   T42]  ? __pfx___schedule+0x10/0x10
[ 1844.554417][   T42]  ? schedule+0x1a5/0x210
[ 1844.554574][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1844.554719][   T42]  ? schedule+0x1a5/0x210
[ 1844.554824][   T42]  schedule+0xdf/0x210
[ 1844.554925][   T42]  schedule_timeout+0x212/0x250
[ 1844.555056][   T42]  ? __pfx_schedule_timeout+0x10/0x10
[ 1844.555243][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1844.555374][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 1844.555507][   T42]  ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1844.555645][   T42]  ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370
[ 1844.555888][   T42]  __wait_for_common+0x1c9/0x5f0
[ 1844.556019][   T42]  ? __pfx_schedule_timeout+0x10/0x10
[ 1844.556154][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1844.556285][   T42]  ? vm_mmap_pgoff+0x1d2/0x2f0
[ 1844.556471][   T42]  ? __pfx___wait_for_common+0x10/0x10
[ 1844.556603][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 1844.556742][   T42]  ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1844.556875][   T42]  ? idempotent_init_module+0x286/0x620
[ 1844.557063][   T42]  idempotent_init_module+0x290/0x620
[ 1844.557195][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 1844.557373][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 1844.557504][   T42]  do_syscall_64+0xc6/0x1e0
[ 1844.557699][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1844.557867][   T42] RIP: 0033:0x7f87c386de5d
[ 1844.558002][   T42] RSP: 002b:00007ffd492bd048 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 1844.558197][   T42] RAX: ffffffffffffffda RBX: 00005642d4b959f0 RCX: 00007f87c386de5d
[ 1844.558445][   T42] RDX: 0000000000000000 RSI: 00005642c860da2a RDI: 0000000000000000
[ 1844.558641][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffd492bd180
[ 1844.558910][   T42] R10: 0000000000000000 R11: 0000000000000246 R12: 00005642c860da2a
[ 1844.559102][   T42] R13: 00005642d4b95b30 R14: 00005642d4b95e10 R15: 00005642d4b95a5c
[ 1844.559309][   T42]  </TASK>
[ 1844.559407][   T42] INFO: task modprobe:13049 blocked for more than 122 seconds.
[ 1844.559640][   T42]       Not tainted 6.8.0-virtme #1
[ 1844.559779][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1844.560010][   T42] task:modprobe        state:D stack:26704 pid:13049 tgid:13049 ppid:44     flags:0x00000002
[ 1844.560326][   T42] Call Trace:
[ 1844.560428][   T42]  <TASK>
[ 1844.560502][   T42]  __schedule+0x705/0x1ac0
[ 1844.560647][   T42]  ? __pfx___schedule+0x10/0x10
[ 1844.560924][   T42]  ? schedule+0x1a5/0x210
[ 1844.561031][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1844.561175][   T42]  ? schedule+0x1a5/0x210
[ 1844.561291][   T42]  schedule+0xdf/0x210
[ 1844.561397][   T42]  schedule_timeout+0x212/0x250
[ 1844.561593][   T42]  ? __pfx_schedule_timeout+0x10/0x10
[ 1844.561739][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1844.561879][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 1844.562016][   T42]  ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1844.562216][   T42]  ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370
[ 1844.562397][   T42]  __wait_for_common+0x1c9/0x5f0
[ 1844.562545][   T42]  ? __pfx_schedule_timeout+0x10/0x10
[ 1844.562680][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1844.562888][   T42]  ? vm_mmap_pgoff+0x1d2/0x2f0
[ 1844.563022][   T42]  ? __pfx___wait_for_common+0x10/0x10
[ 1844.563152][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 1844.563286][   T42]  ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1844.563427][   T42]  ? idempotent_init_module+0x286/0x620
[ 1844.563617][   T42]  idempotent_init_module+0x290/0x620
[ 1844.563772][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 1844.563951][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 1844.564082][   T42]  do_syscall_64+0xc6/0x1e0
[ 1844.564270][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1844.564431][   T42] RIP: 0033:0x7f66f6cdde5d
[ 1844.564565][   T42] RSP: 002b:00007ffdc995fa38 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 1844.564834][   T42] RAX: ffffffffffffffda RBX: 0000557ad4c399f0 RCX: 00007f66f6cdde5d
[ 1844.565028][   T42] RDX: 0000000000000000 RSI: 0000557ab6f3fa2a RDI: 0000000000000000
[ 1844.565220][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffdc995fb70
[ 1844.565467][   T42] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557ab6f3fa2a
[ 1844.565656][   T42] R13: 0000557ad4c39b30 R14: 0000557ad4c39e10 R15: 0000557ad4c39a5c
[ 1844.565896][   T42]  </TASK>
[ 1844.566056][   T42] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
[ 1844.566284][   T42] 
[ 1844.566284][   T42] Showing all locks held in the system:
[ 1844.566471][   T42] 3 locks held by kworker/u16:0/10:
[ 1844.566656][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1844.566943][   T42]  #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1844.567176][   T42]  #2: ffffffffbc56a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[ 1844.567469][   T42] 2 locks held by kworker/u17:0/36:
[ 1844.567592][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1844.567921][   T42]  #1: ffffc90000297da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1844.568230][   T42] 2 locks held by kworker/u19:0/38:
[ 1844.568355][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1844.568666][   T42]  #1: ffffc900002b7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1844.568963][   T42] 2 locks held by kworker/u20:0/39:
[ 1844.569145][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1844.569407][   T42]  #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1844.569753][   T42] 1 lock held by khungtaskd/42:
[ 1844.569878][   T42]  #0: ffffffffbbd591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[ 1844.570099][   T42] 2 locks held by kworker/u17:1/44:
[ 1844.570223][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1844.570529][   T42]  #1: ffffc90000317da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1844.570821][   T42] 2 locks held by kworker/u17:2/45:
[ 1844.571056][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1844.571313][   T42]  #1: ffffc90000327da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1844.571653][   T42] 2 locks held by kworker/u19:1/57:
[ 1844.571797][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1844.572059][   T42]  #1: ffffc900003e7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1844.572403][   T42] 2 locks held by kworker/u20:1/75:
[ 1844.572530][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1844.572851][   T42]  #1: ffffc9000050fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1844.573154][   T42] 2 locks held by kworker/u20:2/262:
[ 1844.573282][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1844.573612][   T42]  #1: ffffc90000b1fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1844.573933][   T42] 1 lock held by modprobe/13029:
[ 1844.574120][   T42]  #0: ffffffffbc56a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[ 1844.574404][   T42] 2 locks held by kworker/u19:2/13034:
[ 1844.574536][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1844.574864][   T42]  #1: ffffc9000043fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1844.575169][   T42] 2 locks held by kworker/u19:3/13038:
[ 1844.575347][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1844.575604][   T42]  #1: ffffc9000053fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1844.575989][   T42] 2 locks held by kworker/u20:3/13055:
[ 1844.576120][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1844.576398][   T42]  #1: ffffc900005cfda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1844.576733][   T42] 1 lock held by tls/13062:
[ 1844.576863][   T42]  #0: ffff888006320f58 (sk_lock-AF_INET){+.+.}-{0:0}, at: do_tcp_setsockopt+0x5dc/0x2180
[ 1844.577107][   T42] 
[ 1844.577241][   T42] =============================================
[ 1844.577241][   T42] 
[ 1852.271737][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1852.272175][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1852.272175][   T10]      dst_init+0x84/0x4a0
[ 1852.272175][   T10]      dst_alloc+0x97/0x150
[ 1852.272175][   T10]      ip6_dst_alloc+0x23/0x90
[ 1852.272175][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1852.272175][   T10]      ip6_pol_route+0x56f/0x840
[ 1852.272175][   T10]      fib6_rule_lookup+0x456/0x630
[ 1852.272175][   T10]      ip6_route_input+0x59c/0xa50
[ 1852.272175][   T10]      ipv6_rcv+0x397/0x810
[ 1852.272175][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1852.272175][   T10]      process_backlog+0x101/0x620
[ 1852.272175][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1852.272175][   T10]      net_rx_action+0x495/0xbe0
[ 1852.272175][   T10]      __do_softirq+0x1b5/0x7f6
[ 1852.272175][   T10] 
[ 1852.273879][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1852.273879][   T10]      netdev_get_by_index+0x5e/0x80
[ 1852.273879][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1852.273879][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1852.273879][   T10]      ip6_route_add+0x1c/0x140
[ 1852.273879][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1852.273879][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1852.273879][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1852.273879][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1852.273879][   T10]      netlink_rcv_skb+0x130/0x360
[ 1852.273879][   T10]      netlink_unicast+0x449/0x710
[ 1852.273879][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1852.273879][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1852.273879][   T10]      ___sys_sendmsg+0xee/0x170
[ 1852.273879][   T10]      __sys_sendmsg+0xcd/0x170
[ 1852.273879][   T10]      do_syscall_64+0xc6/0x1e0
[ 1852.273879][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1852.273879][   T10] 
[ 1852.275934][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1852.275934][   T10]      netdev_get_by_index+0x5e/0x80
[ 1852.275934][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1852.275934][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1852.275934][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1852.275934][   T10]      ipv6_add_addr+0x411/0x2000
[ 1852.275934][   T10]      inet6_addr_add+0x30e/0xa40
[ 1852.275934][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1852.275934][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1852.275934][   T10]      netlink_rcv_skb+0x130/0x360
[ 1852.275934][   T10]      netlink_unicast+0x449/0x710
[ 1852.275934][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1852.275934][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1852.275934][   T10]      ___sys_sendmsg+0xee/0x170
[ 1852.275934][   T10]      __sys_sendmsg+0xcd/0x170
[ 1852.275934][   T10]      do_syscall_64+0xc6/0x1e0
[ 1852.275934][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1852.275934][   T10] 
[ 1852.277955][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1852.277955][   T10]      netdev_get_by_index+0x5e/0x80
[ 1852.277955][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1852.277955][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1852.277955][   T10]      ip6_route_add+0x1c/0x140
[ 1852.277955][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1852.277955][   T10]      addrconf_add_dev+0xe2/0x170
[ 1852.277955][   T10]      inet6_addr_add+0x12f/0xa40
[ 1852.277955][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1852.277955][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1852.277955][   T10]      netlink_rcv_skb+0x130/0x360
[ 1852.277955][   T10]      netlink_unicast+0x449/0x710
[ 1852.277955][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1852.277955][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1852.277955][   T10]      ___sys_sendmsg+0xee/0x170
[ 1852.277955][   T10]      __sys_sendmsg+0xcd/0x170
[ 1852.277955][   T10]      do_syscall_64+0xc6/0x1e0
[ 1852.277955][   T10] 
[ 1852.279926][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1852.279926][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1852.279926][   T10]      ipv6_find_idev+0x102/0x170
[ 1852.279926][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1852.279926][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1852.279926][   T10]      netlink_rcv_skb+0x130/0x360
[ 1852.279926][   T10]      netlink_unicast+0x449/0x710
[ 1852.279926][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1852.279926][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1852.279926][   T10]      ___sys_sendmsg+0xee/0x170
[ 1852.279926][   T10]      __sys_sendmsg+0xcd/0x170
[ 1852.279926][   T10]      do_syscall_64+0xc6/0x1e0
[ 1852.279926][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1852.279926][   T10] 
[ 1852.281498][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1852.281498][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1852.281498][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1852.281498][   T10]      ipv6_find_idev+0x102/0x170
[ 1852.281498][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1852.281498][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1852.281498][   T10]      netlink_rcv_skb+0x130/0x360
[ 1852.281498][   T10]      netlink_unicast+0x449/0x710
[ 1852.281498][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1852.281498][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1852.281498][   T10]      ___sys_sendmsg+0xee/0x170
[ 1852.281498][   T10]      __sys_sendmsg+0xcd/0x170
[ 1852.281498][   T10]      do_syscall_64+0xc6/0x1e0
[ 1852.281498][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1852.281498][   T10] 
[ 1852.283196][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1852.283456][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1852.283456][   T10]      netdev_get_by_index+0x5e/0x80
[ 1852.283456][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1852.283456][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1852.283456][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1852.283456][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1852.283456][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1852.283456][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1852.283456][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1852.283456][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1852.283456][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1852.283456][   T10]      vfs_write+0x9e5/0x10a0
[ 1852.283456][   T10]      ksys_write+0xf5/0x1e0
[ 1852.283456][   T10]      do_syscall_64+0xc6/0x1e0
[ 1852.283456][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1852.283456][   T10] 
[ 1852.285279][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1852.285279][   T10]      netdev_get_by_index+0x5e/0x80
[ 1852.285279][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1852.285279][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1852.285279][   T10]      ip6_route_add+0x1c/0x140
[ 1852.285279][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1852.285279][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1852.285279][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1852.285279][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1852.285279][   T10]      netlink_rcv_skb+0x130/0x360
[ 1852.285279][   T10]      netlink_unicast+0x449/0x710
[ 1852.285279][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1852.285279][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1852.285279][   T10]      ___sys_sendmsg+0xee/0x170
[ 1852.285279][   T10]      __sys_sendmsg+0xcd/0x170
[ 1852.285279][   T10]      do_syscall_64+0xc6/0x1e0
[ 1852.285279][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1852.285279][   T10] 
[ 1852.287307][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1852.287307][   T10]      netdev_get_by_index+0x5e/0x80
[ 1852.287307][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1852.287307][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1852.287307][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1852.287307][   T10]      ipv6_add_addr+0x411/0x2000
[ 1852.287307][   T10]      inet6_addr_add+0x30e/0xa40
[ 1852.287307][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1852.287307][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1852.287307][   T10]      netlink_rcv_skb+0x130/0x360
[ 1852.287307][   T10]      netlink_unicast+0x449/0x710
[ 1852.287307][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1852.287307][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1852.287307][   T10]      ___sys_sendmsg+0xee/0x170
[ 1852.287307][   T10]      __sys_sendmsg+0xcd/0x170
[ 1852.287307][   T10]      do_syscall_64+0xc6/0x1e0
[ 1852.287307][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1852.287307][   T10] 
[ 1852.289324][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1852.289324][   T10]      netdev_get_by_index+0x5e/0x80
[ 1852.289324][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1852.289324][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1852.289324][   T10]      ip6_route_add+0x1c/0x140
[ 1852.289324][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1852.289324][   T10]      addrconf_add_dev+0xe2/0x170
[ 1852.289324][   T10]      inet6_addr_add+0x12f/0xa40
[ 1852.289324][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1852.289324][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1852.289324][   T10]      netlink_rcv_skb+0x130/0x360
[ 1852.289324][   T10]      netlink_unicast+0x449/0x710
[ 1852.289324][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1852.289324][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1852.289324][   T10]      ___sys_sendmsg+0xee/0x170
[ 1852.289324][   T10]      __sys_sendmsg+0xcd/0x170
[ 1852.289324][   T10]      do_syscall_64+0xc6/0x1e0
[ 1852.289324][   T10] 
[ 1852.291309][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1852.291309][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1852.291309][   T10]      ipv6_find_idev+0x102/0x170
[ 1852.291309][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1852.291309][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1852.291309][   T10]      netlink_rcv_skb+0x130/0x360
[ 1852.291309][   T10]      netlink_unicast+0x449/0x710
[ 1852.291309][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1852.291309][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1852.291309][   T10]      ___sys_sendmsg+0xee/0x170
[ 1852.291309][   T10]      __sys_sendmsg+0xcd/0x170
[ 1852.291309][   T10]      do_syscall_64+0xc6/0x1e0
[ 1852.291309][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1852.291309][   T10] 
[ 1852.292878][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1852.292878][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1852.292878][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1852.292878][   T10]      ipv6_find_idev+0x102/0x170
[ 1852.292878][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1852.292878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1852.292878][   T10]      netlink_rcv_skb+0x130/0x360
[ 1852.292878][   T10]      netlink_unicast+0x449/0x710
[ 1852.292878][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1852.292878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1852.292878][   T10]      ___sys_sendmsg+0xee/0x170
[ 1852.292878][   T10]      __sys_sendmsg+0xcd/0x170
[ 1852.292878][   T10]      do_syscall_64+0xc6/0x1e0
[ 1852.292878][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1852.292878][   T10] 
[ 1862.303807][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1862.304222][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1862.304222][   T10]      dst_init+0x84/0x4a0
[ 1862.304222][   T10]      dst_alloc+0x97/0x150
[ 1862.304222][   T10]      ip6_dst_alloc+0x23/0x90
[ 1862.304222][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1862.304222][   T10]      ip6_pol_route+0x56f/0x840
[ 1862.304222][   T10]      fib6_rule_lookup+0x456/0x630
[ 1862.304222][   T10]      ip6_route_input+0x59c/0xa50
[ 1862.304222][   T10]      ipv6_rcv+0x397/0x810
[ 1862.304222][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1862.304222][   T10]      process_backlog+0x101/0x620
[ 1862.304222][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1862.304222][   T10]      net_rx_action+0x495/0xbe0
[ 1862.304222][   T10]      __do_softirq+0x1b5/0x7f6
[ 1862.304222][   T10] 
[ 1862.305979][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1862.305979][   T10]      netdev_get_by_index+0x5e/0x80
[ 1862.305979][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1862.305979][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1862.305979][   T10]      ip6_route_add+0x1c/0x140
[ 1862.305979][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1862.305979][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1862.305979][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1862.305979][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1862.305979][   T10]      netlink_rcv_skb+0x130/0x360
[ 1862.305979][   T10]      netlink_unicast+0x449/0x710
[ 1862.305979][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1862.305979][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1862.305979][   T10]      ___sys_sendmsg+0xee/0x170
[ 1862.305979][   T10]      __sys_sendmsg+0xcd/0x170
[ 1862.305979][   T10]      do_syscall_64+0xc6/0x1e0
[ 1862.305979][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1862.305979][   T10] 
[ 1862.308027][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1862.308027][   T10]      netdev_get_by_index+0x5e/0x80
[ 1862.308027][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1862.308027][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1862.308027][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1862.308027][   T10]      ipv6_add_addr+0x411/0x2000
[ 1862.308027][   T10]      inet6_addr_add+0x30e/0xa40
[ 1862.308027][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1862.308027][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1862.308027][   T10]      netlink_rcv_skb+0x130/0x360
[ 1862.308027][   T10]      netlink_unicast+0x449/0x710
[ 1862.308027][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1862.308027][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1862.308027][   T10]      ___sys_sendmsg+0xee/0x170
[ 1862.308027][   T10]      __sys_sendmsg+0xcd/0x170
[ 1862.308027][   T10]      do_syscall_64+0xc6/0x1e0
[ 1862.308027][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1862.308027][   T10] 
[ 1862.310078][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1862.310078][   T10]      netdev_get_by_index+0x5e/0x80
[ 1862.310078][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1862.310078][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1862.310078][   T10]      ip6_route_add+0x1c/0x140
[ 1862.310078][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1862.310078][   T10]      addrconf_add_dev+0xe2/0x170
[ 1862.310078][   T10]      inet6_addr_add+0x12f/0xa40
[ 1862.310078][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1862.310078][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1862.310078][   T10]      netlink_rcv_skb+0x130/0x360
[ 1862.310078][   T10]      netlink_unicast+0x449/0x710
[ 1862.310078][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1862.310078][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1862.310078][   T10]      ___sys_sendmsg+0xee/0x170
[ 1862.310078][   T10]      __sys_sendmsg+0xcd/0x170
[ 1862.310078][   T10]      do_syscall_64+0xc6/0x1e0
[ 1862.310078][   T10] 
[ 1862.312074][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1862.312074][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1862.312074][   T10]      ipv6_find_idev+0x102/0x170
[ 1862.312074][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1862.312074][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1862.312074][   T10]      netlink_rcv_skb+0x130/0x360
[ 1862.312074][   T10]      netlink_unicast+0x449/0x710
[ 1862.312074][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1862.312074][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1862.312074][   T10]      ___sys_sendmsg+0xee/0x170
[ 1862.312074][   T10]      __sys_sendmsg+0xcd/0x170
[ 1862.312074][   T10]      do_syscall_64+0xc6/0x1e0
[ 1862.312074][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1862.312074][   T10] 
[ 1862.313647][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1862.313647][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1862.313647][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1862.313647][   T10]      ipv6_find_idev+0x102/0x170
[ 1862.313647][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1862.313647][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1862.313647][   T10]      netlink_rcv_skb+0x130/0x360
[ 1862.313647][   T10]      netlink_unicast+0x449/0x710
[ 1862.313647][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1862.313647][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1862.313647][   T10]      ___sys_sendmsg+0xee/0x170
[ 1862.313647][   T10]      __sys_sendmsg+0xcd/0x170
[ 1862.313647][   T10]      do_syscall_64+0xc6/0x1e0
[ 1862.313647][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1862.313647][   T10] 
[ 1862.315345][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1862.315609][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1862.315609][   T10]      netdev_get_by_index+0x5e/0x80
[ 1862.315609][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1862.315609][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1862.315609][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1862.315609][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1862.315609][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1862.315609][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1862.315609][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1862.315609][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1862.315609][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1862.315609][   T10]      vfs_write+0x9e5/0x10a0
[ 1862.315609][   T10]      ksys_write+0xf5/0x1e0
[ 1862.315609][   T10]      do_syscall_64+0xc6/0x1e0
[ 1862.315609][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1862.315609][   T10] 
[ 1862.317474][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1862.317474][   T10]      netdev_get_by_index+0x5e/0x80
[ 1862.317474][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1862.317474][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1862.317474][   T10]      ip6_route_add+0x1c/0x140
[ 1862.317474][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1862.317474][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1862.317474][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1862.317474][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1862.317474][   T10]      netlink_rcv_skb+0x130/0x360
[ 1862.317474][   T10]      netlink_unicast+0x449/0x710
[ 1862.317474][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1862.317474][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1862.317474][   T10]      ___sys_sendmsg+0xee/0x170
[ 1862.317474][   T10]      __sys_sendmsg+0xcd/0x170
[ 1862.317474][   T10]      do_syscall_64+0xc6/0x1e0
[ 1862.317474][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1862.317474][   T10] 
[ 1862.319610][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1862.319610][   T10]      netdev_get_by_index+0x5e/0x80
[ 1862.319610][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1862.319610][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1862.319610][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1862.319610][   T10]      ipv6_add_addr+0x411/0x2000
[ 1862.319610][   T10]      inet6_addr_add+0x30e/0xa40
[ 1862.319610][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1862.319610][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1862.319610][   T10]      netlink_rcv_skb+0x130/0x360
[ 1862.319610][   T10]      netlink_unicast+0x449/0x710
[ 1862.319610][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1862.319610][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1862.319610][   T10]      ___sys_sendmsg+0xee/0x170
[ 1862.319610][   T10]      __sys_sendmsg+0xcd/0x170
[ 1862.319610][   T10]      do_syscall_64+0xc6/0x1e0
[ 1862.319610][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1862.319610][   T10] 
[ 1862.321639][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1862.321639][   T10]      netdev_get_by_index+0x5e/0x80
[ 1862.321639][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1862.321639][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1862.321639][   T10]      ip6_route_add+0x1c/0x140
[ 1862.321639][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1862.321639][   T10]      addrconf_add_dev+0xe2/0x170
[ 1862.321639][   T10]      inet6_addr_add+0x12f/0xa40
[ 1862.321639][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1862.321639][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1862.321639][   T10]      netlink_rcv_skb+0x130/0x360
[ 1862.321639][   T10]      netlink_unicast+0x449/0x710
[ 1862.321639][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1862.321639][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1862.321639][   T10]      ___sys_sendmsg+0xee/0x170
[ 1862.321639][   T10]      __sys_sendmsg+0xcd/0x170
[ 1862.321639][   T10]      do_syscall_64+0xc6/0x1e0
[ 1862.321639][   T10] 
[ 1862.323621][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1862.323621][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1862.323621][   T10]      ipv6_find_idev+0x102/0x170
[ 1862.323621][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1862.323621][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1862.323621][   T10]      netlink_rcv_skb+0x130/0x360
[ 1862.323621][   T10]      netlink_unicast+0x449/0x710
[ 1862.323621][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1862.323621][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1862.323621][   T10]      ___sys_sendmsg+0xee/0x170
[ 1862.323621][   T10]      __sys_sendmsg+0xcd/0x170
[ 1862.323621][   T10]      do_syscall_64+0xc6/0x1e0
[ 1862.323621][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1862.323621][   T10] 
[ 1862.325176][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1862.325176][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1862.325176][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1862.325176][   T10]      ipv6_find_idev+0x102/0x170
[ 1862.325176][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1862.325176][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1862.325176][   T10]      netlink_rcv_skb+0x130/0x360
[ 1862.325176][   T10]      netlink_unicast+0x449/0x710
[ 1862.325176][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1862.325176][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1862.325176][   T10]      ___sys_sendmsg+0xee/0x170
[ 1862.325176][   T10]      __sys_sendmsg+0xcd/0x170
[ 1862.325176][   T10]      do_syscall_64+0xc6/0x1e0
[ 1862.325176][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1862.325176][   T10] 
[ 1872.567803][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1872.568282][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1872.568282][   T10]      dst_init+0x84/0x4a0
[ 1872.568282][   T10]      dst_alloc+0x97/0x150
[ 1872.568282][   T10]      ip6_dst_alloc+0x23/0x90
[ 1872.568282][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1872.568282][   T10]      ip6_pol_route+0x56f/0x840
[ 1872.568282][   T10]      fib6_rule_lookup+0x456/0x630
[ 1872.568282][   T10]      ip6_route_input+0x59c/0xa50
[ 1872.568282][   T10]      ipv6_rcv+0x397/0x810
[ 1872.568282][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1872.568282][   T10]      process_backlog+0x101/0x620
[ 1872.568282][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1872.568282][   T10]      net_rx_action+0x495/0xbe0
[ 1872.568282][   T10]      __do_softirq+0x1b5/0x7f6
[ 1872.568282][   T10] 
[ 1872.569979][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1872.569979][   T10]      netdev_get_by_index+0x5e/0x80
[ 1872.569979][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1872.569979][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1872.569979][   T10]      ip6_route_add+0x1c/0x140
[ 1872.569979][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1872.569979][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1872.569979][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1872.569979][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1872.569979][   T10]      netlink_rcv_skb+0x130/0x360
[ 1872.569979][   T10]      netlink_unicast+0x449/0x710
[ 1872.569979][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1872.569979][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1872.569979][   T10]      ___sys_sendmsg+0xee/0x170
[ 1872.569979][   T10]      __sys_sendmsg+0xcd/0x170
[ 1872.569979][   T10]      do_syscall_64+0xc6/0x1e0
[ 1872.569979][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1872.569979][   T10] 
[ 1872.572004][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1872.572004][   T10]      netdev_get_by_index+0x5e/0x80
[ 1872.572004][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1872.572004][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1872.572004][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1872.572004][   T10]      ipv6_add_addr+0x411/0x2000
[ 1872.572004][   T10]      inet6_addr_add+0x30e/0xa40
[ 1872.572004][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1872.572004][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1872.572004][   T10]      netlink_rcv_skb+0x130/0x360
[ 1872.572004][   T10]      netlink_unicast+0x449/0x710
[ 1872.572004][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1872.572004][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1872.572004][   T10]      ___sys_sendmsg+0xee/0x170
[ 1872.572004][   T10]      __sys_sendmsg+0xcd/0x170
[ 1872.572004][   T10]      do_syscall_64+0xc6/0x1e0
[ 1872.572004][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1872.572004][   T10] 
[ 1872.574001][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1872.574001][   T10]      netdev_get_by_index+0x5e/0x80
[ 1872.574001][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1872.574001][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1872.574001][   T10]      ip6_route_add+0x1c/0x140
[ 1872.574001][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1872.574001][   T10]      addrconf_add_dev+0xe2/0x170
[ 1872.574001][   T10]      inet6_addr_add+0x12f/0xa40
[ 1872.574001][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1872.574001][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1872.574001][   T10]      netlink_rcv_skb+0x130/0x360
[ 1872.574001][   T10]      netlink_unicast+0x449/0x710
[ 1872.574001][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1872.574001][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1872.574001][   T10]      ___sys_sendmsg+0xee/0x170
[ 1872.574001][   T10]      __sys_sendmsg+0xcd/0x170
[ 1872.574001][   T10]      do_syscall_64+0xc6/0x1e0
[ 1872.574001][   T10] 
[ 1872.575976][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1872.575976][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1872.575976][   T10]      ipv6_find_idev+0x102/0x170
[ 1872.575976][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1872.575976][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1872.575976][   T10]      netlink_rcv_skb+0x130/0x360
[ 1872.575976][   T10]      netlink_unicast+0x449/0x710
[ 1872.575976][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1872.575976][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1872.575976][   T10]      ___sys_sendmsg+0xee/0x170
[ 1872.575976][   T10]      __sys_sendmsg+0xcd/0x170
[ 1872.575976][   T10]      do_syscall_64+0xc6/0x1e0
[ 1872.575976][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1872.575976][   T10] 
[ 1872.577514][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1872.577514][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1872.577514][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1872.577514][   T10]      ipv6_find_idev+0x102/0x170
[ 1872.577514][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1872.577514][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1872.577514][   T10]      netlink_rcv_skb+0x130/0x360
[ 1872.577514][   T10]      netlink_unicast+0x449/0x710
[ 1872.577514][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1872.577514][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1872.577514][   T10]      ___sys_sendmsg+0xee/0x170
[ 1872.577514][   T10]      __sys_sendmsg+0xcd/0x170
[ 1872.577514][   T10]      do_syscall_64+0xc6/0x1e0
[ 1872.577514][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1872.577514][   T10] 
[ 1872.579202][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1872.579457][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1872.579457][   T10]      netdev_get_by_index+0x5e/0x80
[ 1872.579457][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1872.579457][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1872.579457][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1872.579457][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1872.579457][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1872.579457][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1872.579457][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1872.579457][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1872.579457][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1872.579457][   T10]      vfs_write+0x9e5/0x10a0
[ 1872.579457][   T10]      ksys_write+0xf5/0x1e0
[ 1872.579457][   T10]      do_syscall_64+0xc6/0x1e0
[ 1872.579457][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1872.579457][   T10] 
[ 1872.581284][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1872.581284][   T10]      netdev_get_by_index+0x5e/0x80
[ 1872.581284][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1872.581284][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1872.581284][   T10]      ip6_route_add+0x1c/0x140
[ 1872.581284][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1872.581284][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1872.581284][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1872.581284][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1872.581284][   T10]      netlink_rcv_skb+0x130/0x360
[ 1872.581284][   T10]      netlink_unicast+0x449/0x710
[ 1872.581284][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1872.581284][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1872.581284][   T10]      ___sys_sendmsg+0xee/0x170
[ 1872.581284][   T10]      __sys_sendmsg+0xcd/0x170
[ 1872.581284][   T10]      do_syscall_64+0xc6/0x1e0
[ 1872.581284][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1872.581284][   T10] 
[ 1872.583281][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1872.583281][   T10]      netdev_get_by_index+0x5e/0x80
[ 1872.583281][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1872.583281][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1872.583281][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1872.583281][   T10]      ipv6_add_addr+0x411/0x2000
[ 1872.583281][   T10]      inet6_addr_add+0x30e/0xa40
[ 1872.583281][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1872.583281][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1872.583281][   T10]      netlink_rcv_skb+0x130/0x360
[ 1872.583281][   T10]      netlink_unicast+0x449/0x710
[ 1872.583281][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1872.583281][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1872.583281][   T10]      ___sys_sendmsg+0xee/0x170
[ 1872.583281][   T10]      __sys_sendmsg+0xcd/0x170
[ 1872.583281][   T10]      do_syscall_64+0xc6/0x1e0
[ 1872.583281][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1872.583281][   T10] 
[ 1872.585268][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1872.585268][   T10]      netdev_get_by_index+0x5e/0x80
[ 1872.585268][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1872.585268][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1872.585268][   T10]      ip6_route_add+0x1c/0x140
[ 1872.585268][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1872.585268][   T10]      addrconf_add_dev+0xe2/0x170
[ 1872.585268][   T10]      inet6_addr_add+0x12f/0xa40
[ 1872.585268][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1872.585268][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1872.585268][   T10]      netlink_rcv_skb+0x130/0x360
[ 1872.585268][   T10]      netlink_unicast+0x449/0x710
[ 1872.585268][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1872.585268][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1872.585268][   T10]      ___sys_sendmsg+0xee/0x170
[ 1872.585268][   T10]      __sys_sendmsg+0xcd/0x170
[ 1872.585268][   T10]      do_syscall_64+0xc6/0x1e0
[ 1872.585268][   T10] 
[ 1872.587236][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1872.587236][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1872.587236][   T10]      ipv6_find_idev+0x102/0x170
[ 1872.587236][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1872.587236][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1872.587236][   T10]      netlink_rcv_skb+0x130/0x360
[ 1872.587236][   T10]      netlink_unicast+0x449/0x710
[ 1872.587236][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1872.587236][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1872.587236][   T10]      ___sys_sendmsg+0xee/0x170
[ 1872.587236][   T10]      __sys_sendmsg+0xcd/0x170
[ 1872.587236][   T10]      do_syscall_64+0xc6/0x1e0
[ 1872.587236][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1872.587236][   T10] 
[ 1872.588777][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1872.588777][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1872.588777][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1872.588777][   T10]      ipv6_find_idev+0x102/0x170
[ 1872.588777][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1872.588777][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1872.588777][   T10]      netlink_rcv_skb+0x130/0x360
[ 1872.588777][   T10]      netlink_unicast+0x449/0x710
[ 1872.588777][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1872.588777][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1872.588777][   T10]      ___sys_sendmsg+0xee/0x170
[ 1872.588777][   T10]      __sys_sendmsg+0xcd/0x170
[ 1872.588777][   T10]      do_syscall_64+0xc6/0x1e0
[ 1872.588777][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1872.588777][   T10] 
[ 1882.831894][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1882.832386][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1882.832386][   T10]      dst_init+0x84/0x4a0
[ 1882.832386][   T10]      dst_alloc+0x97/0x150
[ 1882.832386][   T10]      ip6_dst_alloc+0x23/0x90
[ 1882.832386][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1882.832386][   T10]      ip6_pol_route+0x56f/0x840
[ 1882.832386][   T10]      fib6_rule_lookup+0x456/0x630
[ 1882.832386][   T10]      ip6_route_input+0x59c/0xa50
[ 1882.832386][   T10]      ipv6_rcv+0x397/0x810
[ 1882.832386][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1882.832386][   T10]      process_backlog+0x101/0x620
[ 1882.832386][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1882.832386][   T10]      net_rx_action+0x495/0xbe0
[ 1882.832386][   T10]      __do_softirq+0x1b5/0x7f6
[ 1882.832386][   T10] 
[ 1882.834198][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1882.834198][   T10]      netdev_get_by_index+0x5e/0x80
[ 1882.834198][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1882.834198][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1882.834198][   T10]      ip6_route_add+0x1c/0x140
[ 1882.834198][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1882.834198][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1882.834198][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1882.834198][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1882.834198][   T10]      netlink_rcv_skb+0x130/0x360
[ 1882.834198][   T10]      netlink_unicast+0x449/0x710
[ 1882.834198][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1882.834198][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1882.834198][   T10]      ___sys_sendmsg+0xee/0x170
[ 1882.834198][   T10]      __sys_sendmsg+0xcd/0x170
[ 1882.834198][   T10]      do_syscall_64+0xc6/0x1e0
[ 1882.834198][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1882.834198][   T10] 
[ 1882.836504][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1882.836504][   T10]      netdev_get_by_index+0x5e/0x80
[ 1882.836504][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1882.836504][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1882.836504][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1882.836504][   T10]      ipv6_add_addr+0x411/0x2000
[ 1882.836504][   T10]      inet6_addr_add+0x30e/0xa40
[ 1882.836504][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1882.836504][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1882.836504][   T10]      netlink_rcv_skb+0x130/0x360
[ 1882.836504][   T10]      netlink_unicast+0x449/0x710
[ 1882.836504][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1882.836504][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1882.836504][   T10]      ___sys_sendmsg+0xee/0x170
[ 1882.836504][   T10]      __sys_sendmsg+0xcd/0x170
[ 1882.836504][   T10]      do_syscall_64+0xc6/0x1e0
[ 1882.836504][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1882.836504][   T10] 
[ 1882.838714][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1882.838714][   T10]      netdev_get_by_index+0x5e/0x80
[ 1882.838714][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1882.838714][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1882.838714][   T10]      ip6_route_add+0x1c/0x140
[ 1882.838714][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1882.838714][   T10]      addrconf_add_dev+0xe2/0x170
[ 1882.838714][   T10]      inet6_addr_add+0x12f/0xa40
[ 1882.838714][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1882.838714][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1882.838714][   T10]      netlink_rcv_skb+0x130/0x360
[ 1882.838714][   T10]      netlink_unicast+0x449/0x710
[ 1882.838714][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1882.838714][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1882.838714][   T10]      ___sys_sendmsg+0xee/0x170
[ 1882.838714][   T10]      __sys_sendmsg+0xcd/0x170
[ 1882.838714][   T10]      do_syscall_64+0xc6/0x1e0
[ 1882.838714][   T10] 
[ 1882.840831][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1882.840831][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1882.840831][   T10]      ipv6_find_idev+0x102/0x170
[ 1882.840831][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1882.840831][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1882.840831][   T10]      netlink_rcv_skb+0x130/0x360
[ 1882.840831][   T10]      netlink_unicast+0x449/0x710
[ 1882.840831][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1882.840831][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1882.840831][   T10]      ___sys_sendmsg+0xee/0x170
[ 1882.840831][   T10]      __sys_sendmsg+0xcd/0x170
[ 1882.840831][   T10]      do_syscall_64+0xc6/0x1e0
[ 1882.840831][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1882.840831][   T10] 
[ 1882.842499][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1882.842499][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1882.842499][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1882.842499][   T10]      ipv6_find_idev+0x102/0x170
[ 1882.842499][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1882.842499][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1882.842499][   T10]      netlink_rcv_skb+0x130/0x360
[ 1882.842499][   T10]      netlink_unicast+0x449/0x710
[ 1882.842499][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1882.842499][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1882.842499][   T10]      ___sys_sendmsg+0xee/0x170
[ 1882.842499][   T10]      __sys_sendmsg+0xcd/0x170
[ 1882.842499][   T10]      do_syscall_64+0xc6/0x1e0
[ 1882.842499][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1882.842499][   T10] 
[ 1882.844393][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1882.844676][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1882.844676][   T10]      netdev_get_by_index+0x5e/0x80
[ 1882.844676][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1882.844676][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1882.844676][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1882.844676][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1882.844676][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1882.844676][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1882.844676][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1882.844676][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1882.844676][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1882.844676][   T10]      vfs_write+0x9e5/0x10a0
[ 1882.844676][   T10]      ksys_write+0xf5/0x1e0
[ 1882.844676][   T10]      do_syscall_64+0xc6/0x1e0
[ 1882.844676][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1882.844676][   T10] 
[ 1882.846704][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1882.846704][   T10]      netdev_get_by_index+0x5e/0x80
[ 1882.846704][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1882.846704][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1882.846704][   T10]      ip6_route_add+0x1c/0x140
[ 1882.846704][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1882.846704][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1882.846704][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1882.846704][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1882.846704][   T10]      netlink_rcv_skb+0x130/0x360
[ 1882.846704][   T10]      netlink_unicast+0x449/0x710
[ 1882.846704][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1882.846704][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1882.846704][   T10]      ___sys_sendmsg+0xee/0x170
[ 1882.846704][   T10]      __sys_sendmsg+0xcd/0x170
[ 1882.846704][   T10]      do_syscall_64+0xc6/0x1e0
[ 1882.846704][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1882.846704][   T10] 
[ 1882.848911][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1882.848911][   T10]      netdev_get_by_index+0x5e/0x80
[ 1882.848911][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1882.848911][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1882.848911][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1882.848911][   T10]      ipv6_add_addr+0x411/0x2000
[ 1882.848911][   T10]      inet6_addr_add+0x30e/0xa40
[ 1882.848911][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1882.848911][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1882.848911][   T10]      netlink_rcv_skb+0x130/0x360
[ 1882.848911][   T10]      netlink_unicast+0x449/0x710
[ 1882.848911][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1882.848911][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1882.848911][   T10]      ___sys_sendmsg+0xee/0x170
[ 1882.848911][   T10]      __sys_sendmsg+0xcd/0x170
[ 1882.848911][   T10]      do_syscall_64+0xc6/0x1e0
[ 1882.848911][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1882.848911][   T10] 
[ 1882.851107][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1882.851107][   T10]      netdev_get_by_index+0x5e/0x80
[ 1882.851107][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1882.851107][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1882.851107][   T10]      ip6_route_add+0x1c/0x140
[ 1882.851107][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1882.851107][   T10]      addrconf_add_dev+0xe2/0x170
[ 1882.851107][   T10]      inet6_addr_add+0x12f/0xa40
[ 1882.851107][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1882.851107][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1882.851107][   T10]      netlink_rcv_skb+0x130/0x360
[ 1882.851107][   T10]      netlink_unicast+0x449/0x710
[ 1882.851107][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1882.851107][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1882.851107][   T10]      ___sys_sendmsg+0xee/0x170
[ 1882.851107][   T10]      __sys_sendmsg+0xcd/0x170
[ 1882.851107][   T10]      do_syscall_64+0xc6/0x1e0
[ 1882.851107][   T10] 
[ 1882.853211][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1882.853211][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1882.853211][   T10]      ipv6_find_idev+0x102/0x170
[ 1882.853211][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1882.853211][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1882.853211][   T10]      netlink_rcv_skb+0x130/0x360
[ 1882.853211][   T10]      netlink_unicast+0x449/0x710
[ 1882.853211][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1882.853211][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1882.853211][   T10]      ___sys_sendmsg+0xee/0x170
[ 1882.853211][   T10]      __sys_sendmsg+0xcd/0x170
[ 1882.853211][   T10]      do_syscall_64+0xc6/0x1e0
[ 1882.853211][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1882.853211][   T10] 
[ 1882.854869][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1882.854869][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1882.854869][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1882.854869][   T10]      ipv6_find_idev+0x102/0x170
[ 1882.854869][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1882.854869][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1882.854869][   T10]      netlink_rcv_skb+0x130/0x360
[ 1882.854869][   T10]      netlink_unicast+0x449/0x710
[ 1882.854869][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1882.854869][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1882.854869][   T10]      ___sys_sendmsg+0xee/0x170
[ 1882.854869][   T10]      __sys_sendmsg+0xcd/0x170
[ 1882.854869][   T10]      do_syscall_64+0xc6/0x1e0
[ 1882.854869][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1882.854869][   T10] 
[ 1892.983806][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1892.984244][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1892.984244][   T10]      dst_init+0x84/0x4a0
[ 1892.984244][   T10]      dst_alloc+0x97/0x150
[ 1892.984244][   T10]      ip6_dst_alloc+0x23/0x90
[ 1892.984244][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1892.984244][   T10]      ip6_pol_route+0x56f/0x840
[ 1892.984244][   T10]      fib6_rule_lookup+0x456/0x630
[ 1892.984244][   T10]      ip6_route_input+0x59c/0xa50
[ 1892.984244][   T10]      ipv6_rcv+0x397/0x810
[ 1892.984244][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1892.984244][   T10]      process_backlog+0x101/0x620
[ 1892.984244][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1892.984244][   T10]      net_rx_action+0x495/0xbe0
[ 1892.984244][   T10]      __do_softirq+0x1b5/0x7f6
[ 1892.984244][   T10] 
[ 1892.985984][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1892.985984][   T10]      netdev_get_by_index+0x5e/0x80
[ 1892.985984][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1892.985984][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1892.985984][   T10]      ip6_route_add+0x1c/0x140
[ 1892.985984][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1892.985984][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1892.985984][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1892.985984][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1892.985984][   T10]      netlink_rcv_skb+0x130/0x360
[ 1892.985984][   T10]      netlink_unicast+0x449/0x710
[ 1892.985984][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1892.985984][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1892.985984][   T10]      ___sys_sendmsg+0xee/0x170
[ 1892.985984][   T10]      __sys_sendmsg+0xcd/0x170
[ 1892.985984][   T10]      do_syscall_64+0xc6/0x1e0
[ 1892.985984][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1892.985984][   T10] 
[ 1892.988049][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1892.988049][   T10]      netdev_get_by_index+0x5e/0x80
[ 1892.988049][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1892.988049][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1892.988049][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1892.988049][   T10]      ipv6_add_addr+0x411/0x2000
[ 1892.988049][   T10]      inet6_addr_add+0x30e/0xa40
[ 1892.988049][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1892.988049][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1892.988049][   T10]      netlink_rcv_skb+0x130/0x360
[ 1892.988049][   T10]      netlink_unicast+0x449/0x710
[ 1892.988049][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1892.988049][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1892.988049][   T10]      ___sys_sendmsg+0xee/0x170
[ 1892.988049][   T10]      __sys_sendmsg+0xcd/0x170
[ 1892.988049][   T10]      do_syscall_64+0xc6/0x1e0
[ 1892.988049][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1892.988049][   T10] 
[ 1892.990066][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1892.990066][   T10]      netdev_get_by_index+0x5e/0x80
[ 1892.990066][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1892.990066][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1892.990066][   T10]      ip6_route_add+0x1c/0x140
[ 1892.990066][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1892.990066][   T10]      addrconf_add_dev+0xe2/0x170
[ 1892.990066][   T10]      inet6_addr_add+0x12f/0xa40
[ 1892.990066][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1892.990066][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1892.990066][   T10]      netlink_rcv_skb+0x130/0x360
[ 1892.990066][   T10]      netlink_unicast+0x449/0x710
[ 1892.990066][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1892.990066][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1892.990066][   T10]      ___sys_sendmsg+0xee/0x170
[ 1892.990066][   T10]      __sys_sendmsg+0xcd/0x170
[ 1892.990066][   T10]      do_syscall_64+0xc6/0x1e0
[ 1892.990066][   T10] 
[ 1892.992106][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1892.992106][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1892.992106][   T10]      ipv6_find_idev+0x102/0x170
[ 1892.992106][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1892.992106][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1892.992106][   T10]      netlink_rcv_skb+0x130/0x360
[ 1892.992106][   T10]      netlink_unicast+0x449/0x710
[ 1892.992106][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1892.992106][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1892.992106][   T10]      ___sys_sendmsg+0xee/0x170
[ 1892.992106][   T10]      __sys_sendmsg+0xcd/0x170
[ 1892.992106][   T10]      do_syscall_64+0xc6/0x1e0
[ 1892.992106][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1892.992106][   T10] 
[ 1892.993681][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1892.993681][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1892.993681][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1892.993681][   T10]      ipv6_find_idev+0x102/0x170
[ 1892.993681][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1892.993681][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1892.993681][   T10]      netlink_rcv_skb+0x130/0x360
[ 1892.993681][   T10]      netlink_unicast+0x449/0x710
[ 1892.993681][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1892.993681][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1892.993681][   T10]      ___sys_sendmsg+0xee/0x170
[ 1892.993681][   T10]      __sys_sendmsg+0xcd/0x170
[ 1892.993681][   T10]      do_syscall_64+0xc6/0x1e0
[ 1892.993681][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1892.993681][   T10] 
[ 1892.995464][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1892.995748][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1892.995748][   T10]      netdev_get_by_index+0x5e/0x80
[ 1892.995748][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1892.995748][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1892.995748][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1892.995748][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1892.995748][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1892.995748][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1892.995748][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1892.995748][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1892.995748][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1892.995748][   T10]      vfs_write+0x9e5/0x10a0
[ 1892.995748][   T10]      ksys_write+0xf5/0x1e0
[ 1892.995748][   T10]      do_syscall_64+0xc6/0x1e0
[ 1892.995748][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1892.995748][   T10] 
[ 1892.997620][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1892.997620][   T10]      netdev_get_by_index+0x5e/0x80
[ 1892.997620][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1892.997620][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1892.997620][   T10]      ip6_route_add+0x1c/0x140
[ 1892.997620][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1892.997620][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1892.997620][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1892.997620][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1892.997620][   T10]      netlink_rcv_skb+0x130/0x360
[ 1892.997620][   T10]      netlink_unicast+0x449/0x710
[ 1892.997620][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1892.997620][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1892.997620][   T10]      ___sys_sendmsg+0xee/0x170
[ 1892.997620][   T10]      __sys_sendmsg+0xcd/0x170
[ 1892.997620][   T10]      do_syscall_64+0xc6/0x1e0
[ 1892.997620][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1892.997620][   T10] 
[ 1892.999672][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1892.999672][   T10]      netdev_get_by_index+0x5e/0x80
[ 1892.999672][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1892.999672][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1892.999672][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1892.999672][   T10]      ipv6_add_addr+0x411/0x2000
[ 1892.999672][   T10]      inet6_addr_add+0x30e/0xa40
[ 1892.999672][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1892.999672][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1892.999672][   T10]      netlink_rcv_skb+0x130/0x360
[ 1892.999672][   T10]      netlink_unicast+0x449/0x710
[ 1892.999672][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1892.999672][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1892.999672][   T10]      ___sys_sendmsg+0xee/0x170
[ 1892.999672][   T10]      __sys_sendmsg+0xcd/0x170
[ 1892.999672][   T10]      do_syscall_64+0xc6/0x1e0
[ 1892.999672][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1892.999672][   T10] 
[ 1893.001739][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1893.001739][   T10]      netdev_get_by_index+0x5e/0x80
[ 1893.001739][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1893.001739][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1893.001739][   T10]      ip6_route_add+0x1c/0x140
[ 1893.001739][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1893.001739][   T10]      addrconf_add_dev+0xe2/0x170
[ 1893.001739][   T10]      inet6_addr_add+0x12f/0xa40
[ 1893.001739][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1893.001739][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1893.001739][   T10]      netlink_rcv_skb+0x130/0x360
[ 1893.001739][   T10]      netlink_unicast+0x449/0x710
[ 1893.001739][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1893.001739][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1893.001739][   T10]      ___sys_sendmsg+0xee/0x170
[ 1893.001739][   T10]      __sys_sendmsg+0xcd/0x170
[ 1893.001739][   T10]      do_syscall_64+0xc6/0x1e0
[ 1893.001739][   T10] 
[ 1893.003773][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1893.003773][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1893.003773][   T10]      ipv6_find_idev+0x102/0x170
[ 1893.003773][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1893.003773][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1893.003773][   T10]      netlink_rcv_skb+0x130/0x360
[ 1893.003773][   T10]      netlink_unicast+0x449/0x710
[ 1893.003773][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1893.003773][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1893.003773][   T10]      ___sys_sendmsg+0xee/0x170
[ 1893.003773][   T10]      __sys_sendmsg+0xcd/0x170
[ 1893.003773][   T10]      do_syscall_64+0xc6/0x1e0
[ 1893.003773][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1893.003773][   T10] 
[ 1893.005341][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1893.005341][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1893.005341][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1893.005341][   T10]      ipv6_find_idev+0x102/0x170
[ 1893.005341][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1893.005341][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1893.005341][   T10]      netlink_rcv_skb+0x130/0x360
[ 1893.005341][   T10]      netlink_unicast+0x449/0x710
[ 1893.005341][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1893.005341][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1893.005341][   T10]      ___sys_sendmsg+0xee/0x170
[ 1893.005341][   T10]      __sys_sendmsg+0xcd/0x170
[ 1893.005341][   T10]      do_syscall_64+0xc6/0x1e0
[ 1893.005341][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1893.005341][   T10] 
[ 1903.007744][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1903.008189][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1903.008189][   T10]      dst_init+0x84/0x4a0
[ 1903.008189][   T10]      dst_alloc+0x97/0x150
[ 1903.008189][   T10]      ip6_dst_alloc+0x23/0x90
[ 1903.008189][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1903.008189][   T10]      ip6_pol_route+0x56f/0x840
[ 1903.008189][   T10]      fib6_rule_lookup+0x456/0x630
[ 1903.008189][   T10]      ip6_route_input+0x59c/0xa50
[ 1903.008189][   T10]      ipv6_rcv+0x397/0x810
[ 1903.008189][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1903.008189][   T10]      process_backlog+0x101/0x620
[ 1903.008189][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1903.008189][   T10]      net_rx_action+0x495/0xbe0
[ 1903.008189][   T10]      __do_softirq+0x1b5/0x7f6
[ 1903.008189][   T10] 
[ 1903.009943][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1903.009943][   T10]      netdev_get_by_index+0x5e/0x80
[ 1903.009943][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1903.009943][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1903.009943][   T10]      ip6_route_add+0x1c/0x140
[ 1903.009943][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1903.009943][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1903.009943][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1903.009943][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1903.009943][   T10]      netlink_rcv_skb+0x130/0x360
[ 1903.009943][   T10]      netlink_unicast+0x449/0x710
[ 1903.009943][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1903.009943][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1903.009943][   T10]      ___sys_sendmsg+0xee/0x170
[ 1903.009943][   T10]      __sys_sendmsg+0xcd/0x170
[ 1903.009943][   T10]      do_syscall_64+0xc6/0x1e0
[ 1903.009943][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1903.009943][   T10] 
[ 1903.011994][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1903.011994][   T10]      netdev_get_by_index+0x5e/0x80
[ 1903.011994][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1903.011994][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1903.011994][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1903.011994][   T10]      ipv6_add_addr+0x411/0x2000
[ 1903.011994][   T10]      inet6_addr_add+0x30e/0xa40
[ 1903.011994][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1903.011994][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1903.011994][   T10]      netlink_rcv_skb+0x130/0x360
[ 1903.011994][   T10]      netlink_unicast+0x449/0x710
[ 1903.011994][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1903.011994][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1903.011994][   T10]      ___sys_sendmsg+0xee/0x170
[ 1903.011994][   T10]      __sys_sendmsg+0xcd/0x170
[ 1903.011994][   T10]      do_syscall_64+0xc6/0x1e0
[ 1903.011994][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1903.011994][   T10] 
[ 1903.014005][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1903.014005][   T10]      netdev_get_by_index+0x5e/0x80
[ 1903.014005][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1903.014005][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1903.014005][   T10]      ip6_route_add+0x1c/0x140
[ 1903.014005][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1903.014005][   T10]      addrconf_add_dev+0xe2/0x170
[ 1903.014005][   T10]      inet6_addr_add+0x12f/0xa40
[ 1903.014005][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1903.014005][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1903.014005][   T10]      netlink_rcv_skb+0x130/0x360
[ 1903.014005][   T10]      netlink_unicast+0x449/0x710
[ 1903.014005][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1903.014005][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1903.014005][   T10]      ___sys_sendmsg+0xee/0x170
[ 1903.014005][   T10]      __sys_sendmsg+0xcd/0x170
[ 1903.014005][   T10]      do_syscall_64+0xc6/0x1e0
[ 1903.014005][   T10] 
[ 1903.015972][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1903.015972][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1903.015972][   T10]      ipv6_find_idev+0x102/0x170
[ 1903.015972][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1903.015972][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1903.015972][   T10]      netlink_rcv_skb+0x130/0x360
[ 1903.015972][   T10]      netlink_unicast+0x449/0x710
[ 1903.015972][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1903.015972][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1903.015972][   T10]      ___sys_sendmsg+0xee/0x170
[ 1903.015972][   T10]      __sys_sendmsg+0xcd/0x170
[ 1903.015972][   T10]      do_syscall_64+0xc6/0x1e0
[ 1903.015972][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1903.015972][   T10] 
[ 1903.017544][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1903.017544][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1903.017544][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1903.017544][   T10]      ipv6_find_idev+0x102/0x170
[ 1903.017544][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1903.017544][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1903.017544][   T10]      netlink_rcv_skb+0x130/0x360
[ 1903.017544][   T10]      netlink_unicast+0x449/0x710
[ 1903.017544][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1903.017544][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1903.017544][   T10]      ___sys_sendmsg+0xee/0x170
[ 1903.017544][   T10]      __sys_sendmsg+0xcd/0x170
[ 1903.017544][   T10]      do_syscall_64+0xc6/0x1e0
[ 1903.017544][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1903.017544][   T10] 
[ 1903.019323][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1903.019597][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1903.019597][   T10]      netdev_get_by_index+0x5e/0x80
[ 1903.019597][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1903.019597][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1903.019597][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1903.019597][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1903.019597][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1903.019597][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1903.019597][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1903.019597][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1903.019597][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1903.019597][   T10]      vfs_write+0x9e5/0x10a0
[ 1903.019597][   T10]      ksys_write+0xf5/0x1e0
[ 1903.019597][   T10]      do_syscall_64+0xc6/0x1e0
[ 1903.019597][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1903.019597][   T10] 
[ 1903.021493][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1903.021493][   T10]      netdev_get_by_index+0x5e/0x80
[ 1903.021493][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1903.021493][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1903.021493][   T10]      ip6_route_add+0x1c/0x140
[ 1903.021493][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1903.021493][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1903.021493][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1903.021493][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1903.021493][   T10]      netlink_rcv_skb+0x130/0x360
[ 1903.021493][   T10]      netlink_unicast+0x449/0x710
[ 1903.021493][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1903.021493][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1903.021493][   T10]      ___sys_sendmsg+0xee/0x170
[ 1903.021493][   T10]      __sys_sendmsg+0xcd/0x170
[ 1903.021493][   T10]      do_syscall_64+0xc6/0x1e0
[ 1903.021493][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1903.021493][   T10] 
[ 1903.023604][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1903.023604][   T10]      netdev_get_by_index+0x5e/0x80
[ 1903.023604][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1903.023604][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1903.023604][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1903.023604][   T10]      ipv6_add_addr+0x411/0x2000
[ 1903.023604][   T10]      inet6_addr_add+0x30e/0xa40
[ 1903.023604][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1903.023604][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1903.023604][   T10]      netlink_rcv_skb+0x130/0x360
[ 1903.023604][   T10]      netlink_unicast+0x449/0x710
[ 1903.023604][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1903.023604][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1903.023604][   T10]      ___sys_sendmsg+0xee/0x170
[ 1903.023604][   T10]      __sys_sendmsg+0xcd/0x170
[ 1903.023604][   T10]      do_syscall_64+0xc6/0x1e0
[ 1903.023604][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1903.023604][   T10] 
[ 1903.025703][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1903.025703][   T10]      netdev_get_by_index+0x5e/0x80
[ 1903.025703][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1903.025703][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1903.025703][   T10]      ip6_route_add+0x1c/0x140
[ 1903.025703][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1903.025703][   T10]      addrconf_add_dev+0xe2/0x170
[ 1903.025703][   T10]      inet6_addr_add+0x12f/0xa40
[ 1903.025703][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1903.025703][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1903.025703][   T10]      netlink_rcv_skb+0x130/0x360
[ 1903.025703][   T10]      netlink_unicast+0x449/0x710
[ 1903.025703][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1903.025703][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1903.025703][   T10]      ___sys_sendmsg+0xee/0x170
[ 1903.025703][   T10]      __sys_sendmsg+0xcd/0x170
[ 1903.025703][   T10]      do_syscall_64+0xc6/0x1e0
[ 1903.025703][   T10] 
[ 1903.027729][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1903.027729][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1903.027729][   T10]      ipv6_find_idev+0x102/0x170
[ 1903.027729][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1903.027729][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1903.027729][   T10]      netlink_rcv_skb+0x130/0x360
[ 1903.027729][   T10]      netlink_unicast+0x449/0x710
[ 1903.027729][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1903.027729][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1903.027729][   T10]      ___sys_sendmsg+0xee/0x170
[ 1903.027729][   T10]      __sys_sendmsg+0xcd/0x170
[ 1903.027729][   T10]      do_syscall_64+0xc6/0x1e0
[ 1903.027729][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1903.027729][   T10] 
[ 1903.029332][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1903.029332][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1903.029332][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1903.029332][   T10]      ipv6_find_idev+0x102/0x170
[ 1903.029332][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1903.029332][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1903.029332][   T10]      netlink_rcv_skb+0x130/0x360
[ 1903.029332][   T10]      netlink_unicast+0x449/0x710
[ 1903.029332][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1903.029332][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1903.029332][   T10]      ___sys_sendmsg+0xee/0x170
[ 1903.029332][   T10]      __sys_sendmsg+0xcd/0x170
[ 1903.029332][   T10]      do_syscall_64+0xc6/0x1e0
[ 1903.029332][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1903.029332][   T10] 
[ 1913.127733][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1913.128228][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1913.128228][   T10]      dst_init+0x84/0x4a0
[ 1913.128228][   T10]      dst_alloc+0x97/0x150
[ 1913.128228][   T10]      ip6_dst_alloc+0x23/0x90
[ 1913.128228][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1913.128228][   T10]      ip6_pol_route+0x56f/0x840
[ 1913.128228][   T10]      fib6_rule_lookup+0x456/0x630
[ 1913.128228][   T10]      ip6_route_input+0x59c/0xa50
[ 1913.128228][   T10]      ipv6_rcv+0x397/0x810
[ 1913.128228][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1913.128228][   T10]      process_backlog+0x101/0x620
[ 1913.128228][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1913.128228][   T10]      net_rx_action+0x495/0xbe0
[ 1913.128228][   T10]      __do_softirq+0x1b5/0x7f6
[ 1913.128228][   T10] 
[ 1913.129951][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1913.129951][   T10]      netdev_get_by_index+0x5e/0x80
[ 1913.129951][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1913.129951][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1913.129951][   T10]      ip6_route_add+0x1c/0x140
[ 1913.129951][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1913.129951][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1913.129951][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1913.129951][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1913.129951][   T10]      netlink_rcv_skb+0x130/0x360
[ 1913.129951][   T10]      netlink_unicast+0x449/0x710
[ 1913.129951][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1913.129951][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1913.129951][   T10]      ___sys_sendmsg+0xee/0x170
[ 1913.129951][   T10]      __sys_sendmsg+0xcd/0x170
[ 1913.129951][   T10]      do_syscall_64+0xc6/0x1e0
[ 1913.129951][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1913.129951][   T10] 
[ 1913.132054][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1913.132054][   T10]      netdev_get_by_index+0x5e/0x80
[ 1913.132054][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1913.132054][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1913.132054][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1913.132054][   T10]      ipv6_add_addr+0x411/0x2000
[ 1913.132054][   T10]      inet6_addr_add+0x30e/0xa40
[ 1913.132054][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1913.132054][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1913.132054][   T10]      netlink_rcv_skb+0x130/0x360
[ 1913.132054][   T10]      netlink_unicast+0x449/0x710
[ 1913.132054][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1913.132054][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1913.132054][   T10]      ___sys_sendmsg+0xee/0x170
[ 1913.132054][   T10]      __sys_sendmsg+0xcd/0x170
[ 1913.132054][   T10]      do_syscall_64+0xc6/0x1e0
[ 1913.132054][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1913.132054][   T10] 
[ 1913.134138][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1913.134138][   T10]      netdev_get_by_index+0x5e/0x80
[ 1913.134138][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1913.134138][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1913.134138][   T10]      ip6_route_add+0x1c/0x140
[ 1913.134138][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1913.134138][   T10]      addrconf_add_dev+0xe2/0x170
[ 1913.134138][   T10]      inet6_addr_add+0x12f/0xa40
[ 1913.134138][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1913.134138][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1913.134138][   T10]      netlink_rcv_skb+0x130/0x360
[ 1913.134138][   T10]      netlink_unicast+0x449/0x710
[ 1913.134138][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1913.134138][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1913.134138][   T10]      ___sys_sendmsg+0xee/0x170
[ 1913.134138][   T10]      __sys_sendmsg+0xcd/0x170
[ 1913.134138][   T10]      do_syscall_64+0xc6/0x1e0
[ 1913.134138][   T10] 
[ 1913.136171][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1913.136171][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1913.136171][   T10]      ipv6_find_idev+0x102/0x170
[ 1913.136171][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1913.136171][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1913.136171][   T10]      netlink_rcv_skb+0x130/0x360
[ 1913.136171][   T10]      netlink_unicast+0x449/0x710
[ 1913.136171][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1913.136171][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1913.136171][   T10]      ___sys_sendmsg+0xee/0x170
[ 1913.136171][   T10]      __sys_sendmsg+0xcd/0x170
[ 1913.136171][   T10]      do_syscall_64+0xc6/0x1e0
[ 1913.136171][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1913.136171][   T10] 
[ 1913.137779][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1913.137779][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1913.137779][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1913.137779][   T10]      ipv6_find_idev+0x102/0x170
[ 1913.137779][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1913.137779][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1913.137779][   T10]      netlink_rcv_skb+0x130/0x360
[ 1913.137779][   T10]      netlink_unicast+0x449/0x710
[ 1913.137779][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1913.137779][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1913.137779][   T10]      ___sys_sendmsg+0xee/0x170
[ 1913.137779][   T10]      __sys_sendmsg+0xcd/0x170
[ 1913.137779][   T10]      do_syscall_64+0xc6/0x1e0
[ 1913.137779][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1913.137779][   T10] 
[ 1913.139549][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1913.139829][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1913.139829][   T10]      netdev_get_by_index+0x5e/0x80
[ 1913.139829][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1913.139829][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1913.139829][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1913.139829][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1913.139829][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1913.139829][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1913.139829][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1913.139829][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1913.139829][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1913.139829][   T10]      vfs_write+0x9e5/0x10a0
[ 1913.139829][   T10]      ksys_write+0xf5/0x1e0
[ 1913.139829][   T10]      do_syscall_64+0xc6/0x1e0
[ 1913.139829][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1913.139829][   T10] 
[ 1913.141723][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1913.141723][   T10]      netdev_get_by_index+0x5e/0x80
[ 1913.141723][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1913.141723][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1913.141723][   T10]      ip6_route_add+0x1c/0x140
[ 1913.141723][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1913.141723][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1913.141723][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1913.141723][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1913.141723][   T10]      netlink_rcv_skb+0x130/0x360
[ 1913.141723][   T10]      netlink_unicast+0x449/0x710
[ 1913.141723][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1913.141723][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1913.141723][   T10]      ___sys_sendmsg+0xee/0x170
[ 1913.141723][   T10]      __sys_sendmsg+0xcd/0x170
[ 1913.141723][   T10]      do_syscall_64+0xc6/0x1e0
[ 1913.141723][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1913.141723][   T10] 
[ 1913.143783][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1913.143783][   T10]      netdev_get_by_index+0x5e/0x80
[ 1913.143783][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1913.143783][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1913.143783][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1913.143783][   T10]      ipv6_add_addr+0x411/0x2000
[ 1913.143783][   T10]      inet6_addr_add+0x30e/0xa40
[ 1913.143783][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1913.143783][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1913.143783][   T10]      netlink_rcv_skb+0x130/0x360
[ 1913.143783][   T10]      netlink_unicast+0x449/0x710
[ 1913.143783][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1913.143783][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1913.143783][   T10]      ___sys_sendmsg+0xee/0x170
[ 1913.143783][   T10]      __sys_sendmsg+0xcd/0x170
[ 1913.143783][   T10]      do_syscall_64+0xc6/0x1e0
[ 1913.143783][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1913.143783][   T10] 
[ 1913.145870][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1913.145870][   T10]      netdev_get_by_index+0x5e/0x80
[ 1913.145870][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1913.145870][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1913.145870][   T10]      ip6_route_add+0x1c/0x140
[ 1913.145870][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1913.145870][   T10]      addrconf_add_dev+0xe2/0x170
[ 1913.145870][   T10]      inet6_addr_add+0x12f/0xa40
[ 1913.145870][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1913.145870][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1913.145870][   T10]      netlink_rcv_skb+0x130/0x360
[ 1913.145870][   T10]      netlink_unicast+0x449/0x710
[ 1913.145870][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1913.145870][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1913.145870][   T10]      ___sys_sendmsg+0xee/0x170
[ 1913.145870][   T10]      __sys_sendmsg+0xcd/0x170
[ 1913.145870][   T10]      do_syscall_64+0xc6/0x1e0
[ 1913.145870][   T10] 
[ 1913.147882][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1913.147882][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1913.147882][   T10]      ipv6_find_idev+0x102/0x170
[ 1913.147882][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1913.147882][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1913.147882][   T10]      netlink_rcv_skb+0x130/0x360
[ 1913.147882][   T10]      netlink_unicast+0x449/0x710
[ 1913.147882][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1913.147882][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1913.147882][   T10]      ___sys_sendmsg+0xee/0x170
[ 1913.147882][   T10]      __sys_sendmsg+0xcd/0x170
[ 1913.147882][   T10]      do_syscall_64+0xc6/0x1e0
[ 1913.147882][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1913.147882][   T10] 
[ 1913.149469][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1913.149469][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1913.149469][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1913.149469][   T10]      ipv6_find_idev+0x102/0x170
[ 1913.149469][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1913.149469][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1913.149469][   T10]      netlink_rcv_skb+0x130/0x360
[ 1913.149469][   T10]      netlink_unicast+0x449/0x710
[ 1913.149469][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1913.149469][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1913.149469][   T10]      ___sys_sendmsg+0xee/0x170
[ 1913.149469][   T10]      __sys_sendmsg+0xcd/0x170
[ 1913.149469][   T10]      do_syscall_64+0xc6/0x1e0
[ 1913.149469][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1913.149469][   T10] 
[ 1923.391747][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1923.392202][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1923.392202][   T10]      dst_init+0x84/0x4a0
[ 1923.392202][   T10]      dst_alloc+0x97/0x150
[ 1923.392202][   T10]      ip6_dst_alloc+0x23/0x90
[ 1923.392202][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1923.392202][   T10]      ip6_pol_route+0x56f/0x840
[ 1923.392202][   T10]      fib6_rule_lookup+0x456/0x630
[ 1923.392202][   T10]      ip6_route_input+0x59c/0xa50
[ 1923.392202][   T10]      ipv6_rcv+0x397/0x810
[ 1923.392202][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1923.392202][   T10]      process_backlog+0x101/0x620
[ 1923.392202][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1923.392202][   T10]      net_rx_action+0x495/0xbe0
[ 1923.392202][   T10]      __do_softirq+0x1b5/0x7f6
[ 1923.392202][   T10] 
[ 1923.393923][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1923.393923][   T10]      netdev_get_by_index+0x5e/0x80
[ 1923.393923][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1923.393923][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1923.393923][   T10]      ip6_route_add+0x1c/0x140
[ 1923.393923][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1923.393923][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1923.393923][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1923.393923][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1923.393923][   T10]      netlink_rcv_skb+0x130/0x360
[ 1923.393923][   T10]      netlink_unicast+0x449/0x710
[ 1923.393923][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1923.393923][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1923.393923][   T10]      ___sys_sendmsg+0xee/0x170
[ 1923.393923][   T10]      __sys_sendmsg+0xcd/0x170
[ 1923.393923][   T10]      do_syscall_64+0xc6/0x1e0
[ 1923.393923][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1923.393923][   T10] 
[ 1923.396012][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1923.396012][   T10]      netdev_get_by_index+0x5e/0x80
[ 1923.396012][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1923.396012][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1923.396012][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1923.396012][   T10]      ipv6_add_addr+0x411/0x2000
[ 1923.396012][   T10]      inet6_addr_add+0x30e/0xa40
[ 1923.396012][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1923.396012][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1923.396012][   T10]      netlink_rcv_skb+0x130/0x360
[ 1923.396012][   T10]      netlink_unicast+0x449/0x710
[ 1923.396012][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1923.396012][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1923.396012][   T10]      ___sys_sendmsg+0xee/0x170
[ 1923.396012][   T10]      __sys_sendmsg+0xcd/0x170
[ 1923.396012][   T10]      do_syscall_64+0xc6/0x1e0
[ 1923.396012][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1923.396012][   T10] 
[ 1923.398101][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1923.398101][   T10]      netdev_get_by_index+0x5e/0x80
[ 1923.398101][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1923.398101][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1923.398101][   T10]      ip6_route_add+0x1c/0x140
[ 1923.398101][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1923.398101][   T10]      addrconf_add_dev+0xe2/0x170
[ 1923.398101][   T10]      inet6_addr_add+0x12f/0xa40
[ 1923.398101][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1923.398101][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1923.398101][   T10]      netlink_rcv_skb+0x130/0x360
[ 1923.398101][   T10]      netlink_unicast+0x449/0x710
[ 1923.398101][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1923.398101][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1923.398101][   T10]      ___sys_sendmsg+0xee/0x170
[ 1923.398101][   T10]      __sys_sendmsg+0xcd/0x170
[ 1923.398101][   T10]      do_syscall_64+0xc6/0x1e0
[ 1923.398101][   T10] 
[ 1923.400146][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1923.400146][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1923.400146][   T10]      ipv6_find_idev+0x102/0x170
[ 1923.400146][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1923.400146][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1923.400146][   T10]      netlink_rcv_skb+0x130/0x360
[ 1923.400146][   T10]      netlink_unicast+0x449/0x710
[ 1923.400146][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1923.400146][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1923.400146][   T10]      ___sys_sendmsg+0xee/0x170
[ 1923.400146][   T10]      __sys_sendmsg+0xcd/0x170
[ 1923.400146][   T10]      do_syscall_64+0xc6/0x1e0
[ 1923.400146][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1923.400146][   T10] 
[ 1923.401749][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1923.401749][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1923.401749][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1923.401749][   T10]      ipv6_find_idev+0x102/0x170
[ 1923.401749][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1923.401749][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1923.401749][   T10]      netlink_rcv_skb+0x130/0x360
[ 1923.401749][   T10]      netlink_unicast+0x449/0x710
[ 1923.401749][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1923.401749][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1923.401749][   T10]      ___sys_sendmsg+0xee/0x170
[ 1923.401749][   T10]      __sys_sendmsg+0xcd/0x170
[ 1923.401749][   T10]      do_syscall_64+0xc6/0x1e0
[ 1923.401749][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1923.401749][   T10] 
[ 1923.403534][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1923.403818][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1923.403818][   T10]      netdev_get_by_index+0x5e/0x80
[ 1923.403818][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1923.403818][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1923.403818][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1923.403818][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1923.403818][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1923.403818][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1923.403818][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1923.403818][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1923.403818][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1923.403818][   T10]      vfs_write+0x9e5/0x10a0
[ 1923.403818][   T10]      ksys_write+0xf5/0x1e0
[ 1923.403818][   T10]      do_syscall_64+0xc6/0x1e0
[ 1923.403818][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1923.403818][   T10] 
[ 1923.405708][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1923.405708][   T10]      netdev_get_by_index+0x5e/0x80
[ 1923.405708][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1923.405708][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1923.405708][   T10]      ip6_route_add+0x1c/0x140
[ 1923.405708][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1923.405708][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1923.405708][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1923.405708][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1923.405708][   T10]      netlink_rcv_skb+0x130/0x360
[ 1923.405708][   T10]      netlink_unicast+0x449/0x710
[ 1923.405708][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1923.405708][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1923.405708][   T10]      ___sys_sendmsg+0xee/0x170
[ 1923.405708][   T10]      __sys_sendmsg+0xcd/0x170
[ 1923.405708][   T10]      do_syscall_64+0xc6/0x1e0
[ 1923.405708][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1923.405708][   T10] 
[ 1923.408183][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1923.408183][   T10]      netdev_get_by_index+0x5e/0x80
[ 1923.408183][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1923.408183][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1923.408183][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1923.408183][   T10]      ipv6_add_addr+0x411/0x2000
[ 1923.408183][   T10]      inet6_addr_add+0x30e/0xa40
[ 1923.408183][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1923.408183][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1923.408183][   T10]      netlink_rcv_skb+0x130/0x360
[ 1923.408183][   T10]      netlink_unicast+0x449/0x710
[ 1923.408183][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1923.408183][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1923.408183][   T10]      ___sys_sendmsg+0xee/0x170
[ 1923.408183][   T10]      __sys_sendmsg+0xcd/0x170
[ 1923.408183][   T10]      do_syscall_64+0xc6/0x1e0
[ 1923.408183][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1923.408183][   T10] 
[ 1923.410231][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1923.410231][   T10]      netdev_get_by_index+0x5e/0x80
[ 1923.410231][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1923.410231][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1923.410231][   T10]      ip6_route_add+0x1c/0x140
[ 1923.410231][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1923.410231][   T10]      addrconf_add_dev+0xe2/0x170
[ 1923.410231][   T10]      inet6_addr_add+0x12f/0xa40
[ 1923.410231][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1923.410231][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1923.410231][   T10]      netlink_rcv_skb+0x130/0x360
[ 1923.410231][   T10]      netlink_unicast+0x449/0x710
[ 1923.410231][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1923.410231][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1923.410231][   T10]      ___sys_sendmsg+0xee/0x170
[ 1923.410231][   T10]      __sys_sendmsg+0xcd/0x170
[ 1923.410231][   T10]      do_syscall_64+0xc6/0x1e0
[ 1923.410231][   T10] 
[ 1923.412245][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1923.412245][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1923.412245][   T10]      ipv6_find_idev+0x102/0x170
[ 1923.412245][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1923.412245][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1923.412245][   T10]      netlink_rcv_skb+0x130/0x360
[ 1923.412245][   T10]      netlink_unicast+0x449/0x710
[ 1923.412245][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1923.412245][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1923.412245][   T10]      ___sys_sendmsg+0xee/0x170
[ 1923.412245][   T10]      __sys_sendmsg+0xcd/0x170
[ 1923.412245][   T10]      do_syscall_64+0xc6/0x1e0
[ 1923.412245][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1923.412245][   T10] 
[ 1923.413824][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1923.413824][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1923.413824][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1923.413824][   T10]      ipv6_find_idev+0x102/0x170
[ 1923.413824][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1923.413824][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1923.413824][   T10]      netlink_rcv_skb+0x130/0x360
[ 1923.413824][   T10]      netlink_unicast+0x449/0x710
[ 1923.413824][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1923.413824][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1923.413824][   T10]      ___sys_sendmsg+0xee/0x170
[ 1923.413824][   T10]      __sys_sendmsg+0xcd/0x170
[ 1923.413824][   T10]      do_syscall_64+0xc6/0x1e0
[ 1923.413824][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1923.413824][   T10] 
[ 1933.655809][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1933.656261][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1933.656261][   T10]      dst_init+0x84/0x4a0
[ 1933.656261][   T10]      dst_alloc+0x97/0x150
[ 1933.656261][   T10]      ip6_dst_alloc+0x23/0x90
[ 1933.656261][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1933.656261][   T10]      ip6_pol_route+0x56f/0x840
[ 1933.656261][   T10]      fib6_rule_lookup+0x456/0x630
[ 1933.656261][   T10]      ip6_route_input+0x59c/0xa50
[ 1933.656261][   T10]      ipv6_rcv+0x397/0x810
[ 1933.656261][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1933.656261][   T10]      process_backlog+0x101/0x620
[ 1933.656261][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1933.656261][   T10]      net_rx_action+0x495/0xbe0
[ 1933.656261][   T10]      __do_softirq+0x1b5/0x7f6
[ 1933.656261][   T10] 
[ 1933.658007][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1933.658007][   T10]      netdev_get_by_index+0x5e/0x80
[ 1933.658007][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1933.658007][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1933.658007][   T10]      ip6_route_add+0x1c/0x140
[ 1933.658007][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1933.658007][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1933.658007][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1933.658007][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1933.658007][   T10]      netlink_rcv_skb+0x130/0x360
[ 1933.658007][   T10]      netlink_unicast+0x449/0x710
[ 1933.658007][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1933.658007][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1933.658007][   T10]      ___sys_sendmsg+0xee/0x170
[ 1933.658007][   T10]      __sys_sendmsg+0xcd/0x170
[ 1933.658007][   T10]      do_syscall_64+0xc6/0x1e0
[ 1933.658007][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1933.658007][   T10] 
[ 1933.660049][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1933.660049][   T10]      netdev_get_by_index+0x5e/0x80
[ 1933.660049][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1933.660049][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1933.660049][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1933.660049][   T10]      ipv6_add_addr+0x411/0x2000
[ 1933.660049][   T10]      inet6_addr_add+0x30e/0xa40
[ 1933.660049][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1933.660049][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1933.660049][   T10]      netlink_rcv_skb+0x130/0x360
[ 1933.660049][   T10]      netlink_unicast+0x449/0x710
[ 1933.660049][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1933.660049][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1933.660049][   T10]      ___sys_sendmsg+0xee/0x170
[ 1933.660049][   T10]      __sys_sendmsg+0xcd/0x170
[ 1933.660049][   T10]      do_syscall_64+0xc6/0x1e0
[ 1933.660049][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1933.660049][   T10] 
[ 1933.662092][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1933.662092][   T10]      netdev_get_by_index+0x5e/0x80
[ 1933.662092][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1933.662092][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1933.662092][   T10]      ip6_route_add+0x1c/0x140
[ 1933.662092][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1933.662092][   T10]      addrconf_add_dev+0xe2/0x170
[ 1933.662092][   T10]      inet6_addr_add+0x12f/0xa40
[ 1933.662092][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1933.662092][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1933.662092][   T10]      netlink_rcv_skb+0x130/0x360
[ 1933.662092][   T10]      netlink_unicast+0x449/0x710
[ 1933.662092][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1933.662092][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1933.662092][   T10]      ___sys_sendmsg+0xee/0x170
[ 1933.662092][   T10]      __sys_sendmsg+0xcd/0x170
[ 1933.662092][   T10]      do_syscall_64+0xc6/0x1e0
[ 1933.662092][   T10] 
[ 1933.664093][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1933.664093][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1933.664093][   T10]      ipv6_find_idev+0x102/0x170
[ 1933.664093][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1933.664093][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1933.664093][   T10]      netlink_rcv_skb+0x130/0x360
[ 1933.664093][   T10]      netlink_unicast+0x449/0x710
[ 1933.664093][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1933.664093][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1933.664093][   T10]      ___sys_sendmsg+0xee/0x170
[ 1933.664093][   T10]      __sys_sendmsg+0xcd/0x170
[ 1933.664093][   T10]      do_syscall_64+0xc6/0x1e0
[ 1933.664093][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1933.664093][   T10] 
[ 1933.665680][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1933.665680][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1933.665680][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1933.665680][   T10]      ipv6_find_idev+0x102/0x170
[ 1933.665680][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1933.665680][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1933.665680][   T10]      netlink_rcv_skb+0x130/0x360
[ 1933.665680][   T10]      netlink_unicast+0x449/0x710
[ 1933.665680][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1933.665680][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1933.665680][   T10]      ___sys_sendmsg+0xee/0x170
[ 1933.665680][   T10]      __sys_sendmsg+0xcd/0x170
[ 1933.665680][   T10]      do_syscall_64+0xc6/0x1e0
[ 1933.665680][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1933.665680][   T10] 
[ 1933.667445][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1933.667711][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1933.667711][   T10]      netdev_get_by_index+0x5e/0x80
[ 1933.667711][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1933.667711][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1933.667711][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1933.667711][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1933.667711][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1933.667711][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1933.667711][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1933.667711][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1933.667711][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1933.667711][   T10]      vfs_write+0x9e5/0x10a0
[ 1933.667711][   T10]      ksys_write+0xf5/0x1e0
[ 1933.667711][   T10]      do_syscall_64+0xc6/0x1e0
[ 1933.667711][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1933.667711][   T10] 
[ 1933.669569][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1933.669569][   T10]      netdev_get_by_index+0x5e/0x80
[ 1933.669569][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1933.669569][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1933.669569][   T10]      ip6_route_add+0x1c/0x140
[ 1933.669569][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1933.669569][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1933.669569][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1933.669569][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1933.669569][   T10]      netlink_rcv_skb+0x130/0x360
[ 1933.669569][   T10]      netlink_unicast+0x449/0x710
[ 1933.669569][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1933.669569][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1933.669569][   T10]      ___sys_sendmsg+0xee/0x170
[ 1933.669569][   T10]      __sys_sendmsg+0xcd/0x170
[ 1933.669569][   T10]      do_syscall_64+0xc6/0x1e0
[ 1933.669569][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1933.669569][   T10] 
[ 1933.671591][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1933.671591][   T10]      netdev_get_by_index+0x5e/0x80
[ 1933.671591][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1933.671591][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1933.671591][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1933.671591][   T10]      ipv6_add_addr+0x411/0x2000
[ 1933.671591][   T10]      inet6_addr_add+0x30e/0xa40
[ 1933.671591][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1933.671591][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1933.671591][   T10]      netlink_rcv_skb+0x130/0x360
[ 1933.671591][   T10]      netlink_unicast+0x449/0x710
[ 1933.671591][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1933.671591][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1933.671591][   T10]      ___sys_sendmsg+0xee/0x170
[ 1933.671591][   T10]      __sys_sendmsg+0xcd/0x170
[ 1933.671591][   T10]      do_syscall_64+0xc6/0x1e0
[ 1933.671591][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1933.671591][   T10] 
[ 1933.673613][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1933.673613][   T10]      netdev_get_by_index+0x5e/0x80
[ 1933.673613][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1933.673613][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1933.673613][   T10]      ip6_route_add+0x1c/0x140
[ 1933.673613][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1933.673613][   T10]      addrconf_add_dev+0xe2/0x170
[ 1933.673613][   T10]      inet6_addr_add+0x12f/0xa40
[ 1933.673613][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1933.673613][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1933.673613][   T10]      netlink_rcv_skb+0x130/0x360
[ 1933.673613][   T10]      netlink_unicast+0x449/0x710
[ 1933.673613][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1933.673613][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1933.673613][   T10]      ___sys_sendmsg+0xee/0x170
[ 1933.673613][   T10]      __sys_sendmsg+0xcd/0x170
[ 1933.673613][   T10]      do_syscall_64+0xc6/0x1e0
[ 1933.673613][   T10] 
[ 1933.675594][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1933.675594][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1933.675594][   T10]      ipv6_find_idev+0x102/0x170
[ 1933.675594][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1933.675594][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1933.675594][   T10]      netlink_rcv_skb+0x130/0x360
[ 1933.675594][   T10]      netlink_unicast+0x449/0x710
[ 1933.675594][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1933.675594][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1933.675594][   T10]      ___sys_sendmsg+0xee/0x170
[ 1933.675594][   T10]      __sys_sendmsg+0xcd/0x170
[ 1933.675594][   T10]      do_syscall_64+0xc6/0x1e0
[ 1933.675594][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1933.675594][   T10] 
[ 1933.677145][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1933.677145][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1933.677145][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1933.677145][   T10]      ipv6_find_idev+0x102/0x170
[ 1933.677145][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1933.677145][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1933.677145][   T10]      netlink_rcv_skb+0x130/0x360
[ 1933.677145][   T10]      netlink_unicast+0x449/0x710
[ 1933.677145][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1933.677145][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1933.677145][   T10]      ___sys_sendmsg+0xee/0x170
[ 1933.677145][   T10]      __sys_sendmsg+0xcd/0x170
[ 1933.677145][   T10]      do_syscall_64+0xc6/0x1e0
[ 1933.677145][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1933.677145][   T10] 
[ 1943.919881][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1943.920474][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1943.920474][   T10]      dst_init+0x84/0x4a0
[ 1943.920474][   T10]      dst_alloc+0x97/0x150
[ 1943.920474][   T10]      ip6_dst_alloc+0x23/0x90
[ 1943.920474][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1943.920474][   T10]      ip6_pol_route+0x56f/0x840
[ 1943.920474][   T10]      fib6_rule_lookup+0x456/0x630
[ 1943.920474][   T10]      ip6_route_input+0x59c/0xa50
[ 1943.920474][   T10]      ipv6_rcv+0x397/0x810
[ 1943.920474][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1943.920474][   T10]      process_backlog+0x101/0x620
[ 1943.920474][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1943.920474][   T10]      net_rx_action+0x495/0xbe0
[ 1943.920474][   T10]      __do_softirq+0x1b5/0x7f6
[ 1943.920474][   T10] 
[ 1943.922275][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1943.922275][   T10]      netdev_get_by_index+0x5e/0x80
[ 1943.922275][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1943.922275][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1943.922275][   T10]      ip6_route_add+0x1c/0x140
[ 1943.922275][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1943.922275][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1943.922275][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1943.922275][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1943.922275][   T10]      netlink_rcv_skb+0x130/0x360
[ 1943.922275][   T10]      netlink_unicast+0x449/0x710
[ 1943.922275][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1943.922275][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1943.922275][   T10]      ___sys_sendmsg+0xee/0x170
[ 1943.922275][   T10]      __sys_sendmsg+0xcd/0x170
[ 1943.922275][   T10]      do_syscall_64+0xc6/0x1e0
[ 1943.922275][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1943.922275][   T10] 
[ 1943.924411][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1943.924411][   T10]      netdev_get_by_index+0x5e/0x80
[ 1943.924411][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1943.924411][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1943.924411][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1943.924411][   T10]      ipv6_add_addr+0x411/0x2000
[ 1943.924411][   T10]      inet6_addr_add+0x30e/0xa40
[ 1943.924411][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1943.924411][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1943.924411][   T10]      netlink_rcv_skb+0x130/0x360
[ 1943.924411][   T10]      netlink_unicast+0x449/0x710
[ 1943.924411][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1943.924411][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1943.924411][   T10]      ___sys_sendmsg+0xee/0x170
[ 1943.924411][   T10]      __sys_sendmsg+0xcd/0x170
[ 1943.924411][   T10]      do_syscall_64+0xc6/0x1e0
[ 1943.924411][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1943.924411][   T10] 
[ 1943.926620][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1943.926620][   T10]      netdev_get_by_index+0x5e/0x80
[ 1943.926620][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1943.926620][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1943.926620][   T10]      ip6_route_add+0x1c/0x140
[ 1943.926620][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1943.926620][   T10]      addrconf_add_dev+0xe2/0x170
[ 1943.926620][   T10]      inet6_addr_add+0x12f/0xa40
[ 1943.926620][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1943.926620][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1943.926620][   T10]      netlink_rcv_skb+0x130/0x360
[ 1943.926620][   T10]      netlink_unicast+0x449/0x710
[ 1943.926620][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1943.926620][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1943.926620][   T10]      ___sys_sendmsg+0xee/0x170
[ 1943.926620][   T10]      __sys_sendmsg+0xcd/0x170
[ 1943.926620][   T10]      do_syscall_64+0xc6/0x1e0
[ 1943.926620][   T10] 
[ 1943.928711][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1943.928711][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1943.928711][   T10]      ipv6_find_idev+0x102/0x170
[ 1943.928711][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1943.928711][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1943.928711][   T10]      netlink_rcv_skb+0x130/0x360
[ 1943.928711][   T10]      netlink_unicast+0x449/0x710
[ 1943.928711][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1943.928711][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1943.928711][   T10]      ___sys_sendmsg+0xee/0x170
[ 1943.928711][   T10]      __sys_sendmsg+0xcd/0x170
[ 1943.928711][   T10]      do_syscall_64+0xc6/0x1e0
[ 1943.928711][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1943.928711][   T10] 
[ 1943.930353][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1943.930353][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1943.930353][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1943.930353][   T10]      ipv6_find_idev+0x102/0x170
[ 1943.930353][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1943.930353][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1943.930353][   T10]      netlink_rcv_skb+0x130/0x360
[ 1943.930353][   T10]      netlink_unicast+0x449/0x710
[ 1943.930353][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1943.930353][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1943.930353][   T10]      ___sys_sendmsg+0xee/0x170
[ 1943.930353][   T10]      __sys_sendmsg+0xcd/0x170
[ 1943.930353][   T10]      do_syscall_64+0xc6/0x1e0
[ 1943.930353][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1943.930353][   T10] 
[ 1943.932155][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1943.932435][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1943.932435][   T10]      netdev_get_by_index+0x5e/0x80
[ 1943.932435][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1943.932435][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1943.932435][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1943.932435][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1943.932435][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1943.932435][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1943.932435][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1943.932435][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1943.932435][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1943.932435][   T10]      vfs_write+0x9e5/0x10a0
[ 1943.932435][   T10]      ksys_write+0xf5/0x1e0
[ 1943.932435][   T10]      do_syscall_64+0xc6/0x1e0
[ 1943.932435][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1943.932435][   T10] 
[ 1943.934440][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1943.934440][   T10]      netdev_get_by_index+0x5e/0x80
[ 1943.934440][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1943.934440][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1943.934440][   T10]      ip6_route_add+0x1c/0x140
[ 1943.934440][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1943.934440][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1943.934440][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1943.934440][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1943.934440][   T10]      netlink_rcv_skb+0x130/0x360
[ 1943.934440][   T10]      netlink_unicast+0x449/0x710
[ 1943.934440][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1943.934440][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1943.934440][   T10]      ___sys_sendmsg+0xee/0x170
[ 1943.934440][   T10]      __sys_sendmsg+0xcd/0x170
[ 1943.934440][   T10]      do_syscall_64+0xc6/0x1e0
[ 1943.934440][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1943.934440][   T10] 
[ 1943.936671][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1943.936671][   T10]      netdev_get_by_index+0x5e/0x80
[ 1943.936671][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1943.936671][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1943.936671][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1943.936671][   T10]      ipv6_add_addr+0x411/0x2000
[ 1943.936671][   T10]      inet6_addr_add+0x30e/0xa40
[ 1943.936671][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1943.936671][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1943.936671][   T10]      netlink_rcv_skb+0x130/0x360
[ 1943.936671][   T10]      netlink_unicast+0x449/0x710
[ 1943.936671][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1943.936671][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1943.936671][   T10]      ___sys_sendmsg+0xee/0x170
[ 1943.936671][   T10]      __sys_sendmsg+0xcd/0x170
[ 1943.936671][   T10]      do_syscall_64+0xc6/0x1e0
[ 1943.936671][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1943.936671][   T10] 
[ 1943.938906][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1943.938906][   T10]      netdev_get_by_index+0x5e/0x80
[ 1943.938906][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1943.938906][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1943.938906][   T10]      ip6_route_add+0x1c/0x140
[ 1943.938906][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1943.938906][   T10]      addrconf_add_dev+0xe2/0x170
[ 1943.938906][   T10]      inet6_addr_add+0x12f/0xa40
[ 1943.938906][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1943.938906][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1943.938906][   T10]      netlink_rcv_skb+0x130/0x360
[ 1943.938906][   T10]      netlink_unicast+0x449/0x710
[ 1943.938906][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1943.938906][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1943.938906][   T10]      ___sys_sendmsg+0xee/0x170
[ 1943.938906][   T10]      __sys_sendmsg+0xcd/0x170
[ 1943.938906][   T10]      do_syscall_64+0xc6/0x1e0
[ 1943.938906][   T10] 
[ 1943.941061][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1943.941061][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1943.941061][   T10]      ipv6_find_idev+0x102/0x170
[ 1943.941061][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1943.941061][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1943.941061][   T10]      netlink_rcv_skb+0x130/0x360
[ 1943.941061][   T10]      netlink_unicast+0x449/0x710
[ 1943.941061][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1943.941061][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1943.941061][   T10]      ___sys_sendmsg+0xee/0x170
[ 1943.941061][   T10]      __sys_sendmsg+0xcd/0x170
[ 1943.941061][   T10]      do_syscall_64+0xc6/0x1e0
[ 1943.941061][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1943.941061][   T10] 
[ 1943.942785][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1943.942785][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1943.942785][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1943.942785][   T10]      ipv6_find_idev+0x102/0x170
[ 1943.942785][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1943.942785][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1943.942785][   T10]      netlink_rcv_skb+0x130/0x360
[ 1943.942785][   T10]      netlink_unicast+0x449/0x710
[ 1943.942785][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1943.942785][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1943.942785][   T10]      ___sys_sendmsg+0xee/0x170
[ 1943.942785][   T10]      __sys_sendmsg+0xcd/0x170
[ 1943.942785][   T10]      do_syscall_64+0xc6/0x1e0
[ 1943.942785][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1943.942785][   T10] 
[ 1954.015888][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1954.016480][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1954.016480][   T10]      dst_init+0x84/0x4a0
[ 1954.016480][   T10]      dst_alloc+0x97/0x150
[ 1954.016480][   T10]      ip6_dst_alloc+0x23/0x90
[ 1954.016480][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1954.016480][   T10]      ip6_pol_route+0x56f/0x840
[ 1954.016480][   T10]      fib6_rule_lookup+0x456/0x630
[ 1954.016480][   T10]      ip6_route_input+0x59c/0xa50
[ 1954.016480][   T10]      ipv6_rcv+0x397/0x810
[ 1954.016480][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1954.016480][   T10]      process_backlog+0x101/0x620
[ 1954.016480][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1954.016480][   T10]      net_rx_action+0x495/0xbe0
[ 1954.016480][   T10]      __do_softirq+0x1b5/0x7f6
[ 1954.016480][   T10] 
[ 1954.018298][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1954.018298][   T10]      netdev_get_by_index+0x5e/0x80
[ 1954.018298][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1954.018298][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1954.018298][   T10]      ip6_route_add+0x1c/0x140
[ 1954.018298][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1954.018298][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1954.018298][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1954.018298][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1954.018298][   T10]      netlink_rcv_skb+0x130/0x360
[ 1954.018298][   T10]      netlink_unicast+0x449/0x710
[ 1954.018298][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1954.018298][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1954.018298][   T10]      ___sys_sendmsg+0xee/0x170
[ 1954.018298][   T10]      __sys_sendmsg+0xcd/0x170
[ 1954.018298][   T10]      do_syscall_64+0xc6/0x1e0
[ 1954.018298][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1954.018298][   T10] 
[ 1954.020547][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1954.020547][   T10]      netdev_get_by_index+0x5e/0x80
[ 1954.020547][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1954.020547][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1954.020547][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1954.020547][   T10]      ipv6_add_addr+0x411/0x2000
[ 1954.020547][   T10]      inet6_addr_add+0x30e/0xa40
[ 1954.020547][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1954.020547][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1954.020547][   T10]      netlink_rcv_skb+0x130/0x360
[ 1954.020547][   T10]      netlink_unicast+0x449/0x710
[ 1954.020547][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1954.020547][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1954.020547][   T10]      ___sys_sendmsg+0xee/0x170
[ 1954.020547][   T10]      __sys_sendmsg+0xcd/0x170
[ 1954.020547][   T10]      do_syscall_64+0xc6/0x1e0
[ 1954.020547][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1954.020547][   T10] 
[ 1954.022781][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1954.022781][   T10]      netdev_get_by_index+0x5e/0x80
[ 1954.022781][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1954.022781][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1954.022781][   T10]      ip6_route_add+0x1c/0x140
[ 1954.022781][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1954.022781][   T10]      addrconf_add_dev+0xe2/0x170
[ 1954.022781][   T10]      inet6_addr_add+0x12f/0xa40
[ 1954.022781][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1954.022781][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1954.022781][   T10]      netlink_rcv_skb+0x130/0x360
[ 1954.022781][   T10]      netlink_unicast+0x449/0x710
[ 1954.022781][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1954.022781][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1954.022781][   T10]      ___sys_sendmsg+0xee/0x170
[ 1954.022781][   T10]      __sys_sendmsg+0xcd/0x170
[ 1954.022781][   T10]      do_syscall_64+0xc6/0x1e0
[ 1954.022781][   T10] 
[ 1954.024991][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1954.024991][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1954.024991][   T10]      ipv6_find_idev+0x102/0x170
[ 1954.024991][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1954.024991][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1954.024991][   T10]      netlink_rcv_skb+0x130/0x360
[ 1954.024991][   T10]      netlink_unicast+0x449/0x710
[ 1954.024991][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1954.024991][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1954.024991][   T10]      ___sys_sendmsg+0xee/0x170
[ 1954.024991][   T10]      __sys_sendmsg+0xcd/0x170
[ 1954.024991][   T10]      do_syscall_64+0xc6/0x1e0
[ 1954.024991][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1954.024991][   T10] 
[ 1954.026716][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1954.026716][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1954.026716][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1954.026716][   T10]      ipv6_find_idev+0x102/0x170
[ 1954.026716][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1954.026716][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1954.026716][   T10]      netlink_rcv_skb+0x130/0x360
[ 1954.026716][   T10]      netlink_unicast+0x449/0x710
[ 1954.026716][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1954.026716][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1954.026716][   T10]      ___sys_sendmsg+0xee/0x170
[ 1954.026716][   T10]      __sys_sendmsg+0xcd/0x170
[ 1954.026716][   T10]      do_syscall_64+0xc6/0x1e0
[ 1954.026716][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1954.026716][   T10] 
[ 1954.028499][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1954.028802][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1954.028802][   T10]      netdev_get_by_index+0x5e/0x80
[ 1954.028802][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1954.028802][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1954.028802][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1954.028802][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1954.028802][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1954.028802][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1954.028802][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1954.028802][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1954.028802][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1954.028802][   T10]      vfs_write+0x9e5/0x10a0
[ 1954.028802][   T10]      ksys_write+0xf5/0x1e0
[ 1954.028802][   T10]      do_syscall_64+0xc6/0x1e0
[ 1954.028802][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1954.028802][   T10] 
[ 1954.030827][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1954.030827][   T10]      netdev_get_by_index+0x5e/0x80
[ 1954.030827][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1954.030827][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1954.030827][   T10]      ip6_route_add+0x1c/0x140
[ 1954.030827][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1954.030827][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1954.030827][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1954.030827][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1954.030827][   T10]      netlink_rcv_skb+0x130/0x360
[ 1954.030827][   T10]      netlink_unicast+0x449/0x710
[ 1954.030827][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1954.030827][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1954.030827][   T10]      ___sys_sendmsg+0xee/0x170
[ 1954.030827][   T10]      __sys_sendmsg+0xcd/0x170
[ 1954.030827][   T10]      do_syscall_64+0xc6/0x1e0
[ 1954.030827][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1954.030827][   T10] 
[ 1954.032985][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1954.032985][   T10]      netdev_get_by_index+0x5e/0x80
[ 1954.032985][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1954.032985][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1954.032985][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1954.032985][   T10]      ipv6_add_addr+0x411/0x2000
[ 1954.032985][   T10]      inet6_addr_add+0x30e/0xa40
[ 1954.032985][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1954.032985][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1954.032985][   T10]      netlink_rcv_skb+0x130/0x360
[ 1954.032985][   T10]      netlink_unicast+0x449/0x710
[ 1954.032985][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1954.032985][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1954.032985][   T10]      ___sys_sendmsg+0xee/0x170
[ 1954.032985][   T10]      __sys_sendmsg+0xcd/0x170
[ 1954.032985][   T10]      do_syscall_64+0xc6/0x1e0
[ 1954.032985][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1954.032985][   T10] 
[ 1954.035114][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1954.035114][   T10]      netdev_get_by_index+0x5e/0x80
[ 1954.035114][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1954.035114][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1954.035114][   T10]      ip6_route_add+0x1c/0x140
[ 1954.035114][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1954.035114][   T10]      addrconf_add_dev+0xe2/0x170
[ 1954.035114][   T10]      inet6_addr_add+0x12f/0xa40
[ 1954.035114][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1954.035114][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1954.035114][   T10]      netlink_rcv_skb+0x130/0x360
[ 1954.035114][   T10]      netlink_unicast+0x449/0x710
[ 1954.035114][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1954.035114][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1954.035114][   T10]      ___sys_sendmsg+0xee/0x170
[ 1954.035114][   T10]      __sys_sendmsg+0xcd/0x170
[ 1954.035114][   T10]      do_syscall_64+0xc6/0x1e0
[ 1954.035114][   T10] 
[ 1954.037335][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1954.037335][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1954.037335][   T10]      ipv6_find_idev+0x102/0x170
[ 1954.037335][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1954.037335][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1954.037335][   T10]      netlink_rcv_skb+0x130/0x360
[ 1954.037335][   T10]      netlink_unicast+0x449/0x710
[ 1954.037335][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1954.037335][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1954.037335][   T10]      ___sys_sendmsg+0xee/0x170
[ 1954.037335][   T10]      __sys_sendmsg+0xcd/0x170
[ 1954.037335][   T10]      do_syscall_64+0xc6/0x1e0
[ 1954.037335][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1954.037335][   T10] 
[ 1954.038983][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1954.038983][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1954.038983][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1954.038983][   T10]      ipv6_find_idev+0x102/0x170
[ 1954.038983][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1954.038983][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1954.038983][   T10]      netlink_rcv_skb+0x130/0x360
[ 1954.038983][   T10]      netlink_unicast+0x449/0x710
[ 1954.038983][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1954.038983][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1954.038983][   T10]      ___sys_sendmsg+0xee/0x170
[ 1954.038983][   T10]      __sys_sendmsg+0xcd/0x170
[ 1954.038983][   T10]      do_syscall_64+0xc6/0x1e0
[ 1954.038983][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1954.038983][   T10] 
[ 1964.263847][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1964.264237][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1964.264237][   T10]      dst_init+0x84/0x4a0
[ 1964.264237][   T10]      dst_alloc+0x97/0x150
[ 1964.264237][   T10]      ip6_dst_alloc+0x23/0x90
[ 1964.264237][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1964.264237][   T10]      ip6_pol_route+0x56f/0x840
[ 1964.264237][   T10]      fib6_rule_lookup+0x456/0x630
[ 1964.264237][   T10]      ip6_route_input+0x59c/0xa50
[ 1964.264237][   T10]      ipv6_rcv+0x397/0x810
[ 1964.264237][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1964.264237][   T10]      process_backlog+0x101/0x620
[ 1964.264237][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1964.264237][   T10]      net_rx_action+0x495/0xbe0
[ 1964.264237][   T10]      __do_softirq+0x1b5/0x7f6
[ 1964.264237][   T10] 
[ 1964.266083][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1964.266083][   T10]      netdev_get_by_index+0x5e/0x80
[ 1964.266083][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1964.266083][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1964.266083][   T10]      ip6_route_add+0x1c/0x140
[ 1964.266083][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1964.266083][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1964.266083][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1964.266083][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1964.266083][   T10]      netlink_rcv_skb+0x130/0x360
[ 1964.266083][   T10]      netlink_unicast+0x449/0x710
[ 1964.266083][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1964.266083][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1964.266083][   T10]      ___sys_sendmsg+0xee/0x170
[ 1964.266083][   T10]      __sys_sendmsg+0xcd/0x170
[ 1964.266083][   T10]      do_syscall_64+0xc6/0x1e0
[ 1964.266083][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1964.266083][   T10] 
[ 1964.268279][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1964.268279][   T10]      netdev_get_by_index+0x5e/0x80
[ 1964.268279][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1964.268279][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1964.268279][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1964.268279][   T10]      ipv6_add_addr+0x411/0x2000
[ 1964.268279][   T10]      inet6_addr_add+0x30e/0xa40
[ 1964.268279][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1964.268279][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1964.268279][   T10]      netlink_rcv_skb+0x130/0x360
[ 1964.268279][   T10]      netlink_unicast+0x449/0x710
[ 1964.268279][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1964.268279][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1964.268279][   T10]      ___sys_sendmsg+0xee/0x170
[ 1964.268279][   T10]      __sys_sendmsg+0xcd/0x170
[ 1964.268279][   T10]      do_syscall_64+0xc6/0x1e0
[ 1964.268279][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1964.268279][   T10] 
[ 1964.270532][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1964.270532][   T10]      netdev_get_by_index+0x5e/0x80
[ 1964.270532][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1964.270532][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1964.270532][   T10]      ip6_route_add+0x1c/0x140
[ 1964.270532][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1964.270532][   T10]      addrconf_add_dev+0xe2/0x170
[ 1964.270532][   T10]      inet6_addr_add+0x12f/0xa40
[ 1964.270532][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1964.270532][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1964.270532][   T10]      netlink_rcv_skb+0x130/0x360
[ 1964.270532][   T10]      netlink_unicast+0x449/0x710
[ 1964.270532][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1964.270532][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1964.270532][   T10]      ___sys_sendmsg+0xee/0x170
[ 1964.270532][   T10]      __sys_sendmsg+0xcd/0x170
[ 1964.270532][   T10]      do_syscall_64+0xc6/0x1e0
[ 1964.270532][   T10] 
[ 1964.272697][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1964.272697][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1964.272697][   T10]      ipv6_find_idev+0x102/0x170
[ 1964.272697][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1964.272697][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1964.272697][   T10]      netlink_rcv_skb+0x130/0x360
[ 1964.272697][   T10]      netlink_unicast+0x449/0x710
[ 1964.272697][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1964.272697][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1964.272697][   T10]      ___sys_sendmsg+0xee/0x170
[ 1964.272697][   T10]      __sys_sendmsg+0xcd/0x170
[ 1964.272697][   T10]      do_syscall_64+0xc6/0x1e0
[ 1964.272697][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1964.272697][   T10] 
[ 1964.274352][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1964.274352][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1964.274352][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1964.274352][   T10]      ipv6_find_idev+0x102/0x170
[ 1964.274352][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1964.274352][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1964.274352][   T10]      netlink_rcv_skb+0x130/0x360
[ 1964.274352][   T10]      netlink_unicast+0x449/0x710
[ 1964.274352][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1964.274352][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1964.274352][   T10]      ___sys_sendmsg+0xee/0x170
[ 1964.274352][   T10]      __sys_sendmsg+0xcd/0x170
[ 1964.274352][   T10]      do_syscall_64+0xc6/0x1e0
[ 1964.274352][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1964.274352][   T10] 
[ 1964.276276][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1964.276553][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1964.276553][   T10]      netdev_get_by_index+0x5e/0x80
[ 1964.276553][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1964.276553][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1964.276553][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1964.276553][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1964.276553][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1964.276553][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1964.276553][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1964.276553][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1964.276553][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1964.276553][   T10]      vfs_write+0x9e5/0x10a0
[ 1964.276553][   T10]      ksys_write+0xf5/0x1e0
[ 1964.276553][   T10]      do_syscall_64+0xc6/0x1e0
[ 1964.276553][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1964.276553][   T10] 
[ 1964.278616][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1964.278616][   T10]      netdev_get_by_index+0x5e/0x80
[ 1964.278616][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1964.278616][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1964.278616][   T10]      ip6_route_add+0x1c/0x140
[ 1964.278616][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1964.278616][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1964.278616][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1964.278616][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1964.278616][   T10]      netlink_rcv_skb+0x130/0x360
[ 1964.278616][   T10]      netlink_unicast+0x449/0x710
[ 1964.278616][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1964.278616][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1964.278616][   T10]      ___sys_sendmsg+0xee/0x170
[ 1964.278616][   T10]      __sys_sendmsg+0xcd/0x170
[ 1964.278616][   T10]      do_syscall_64+0xc6/0x1e0
[ 1964.278616][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1964.278616][   T10] 
[ 1964.280843][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1964.280843][   T10]      netdev_get_by_index+0x5e/0x80
[ 1964.280843][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1964.280843][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1964.280843][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1964.280843][   T10]      ipv6_add_addr+0x411/0x2000
[ 1964.280843][   T10]      inet6_addr_add+0x30e/0xa40
[ 1964.280843][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1964.280843][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1964.280843][   T10]      netlink_rcv_skb+0x130/0x360
[ 1964.280843][   T10]      netlink_unicast+0x449/0x710
[ 1964.280843][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1964.280843][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1964.280843][   T10]      ___sys_sendmsg+0xee/0x170
[ 1964.280843][   T10]      __sys_sendmsg+0xcd/0x170
[ 1964.280843][   T10]      do_syscall_64+0xc6/0x1e0
[ 1964.280843][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1964.280843][   T10] 
[ 1964.282993][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1964.282993][   T10]      netdev_get_by_index+0x5e/0x80
[ 1964.282993][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1964.282993][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1964.282993][   T10]      ip6_route_add+0x1c/0x140
[ 1964.282993][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1964.282993][   T10]      addrconf_add_dev+0xe2/0x170
[ 1964.282993][   T10]      inet6_addr_add+0x12f/0xa40
[ 1964.282993][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1964.282993][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1964.282993][   T10]      netlink_rcv_skb+0x130/0x360
[ 1964.282993][   T10]      netlink_unicast+0x449/0x710
[ 1964.282993][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1964.282993][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1964.282993][   T10]      ___sys_sendmsg+0xee/0x170
[ 1964.282993][   T10]      __sys_sendmsg+0xcd/0x170
[ 1964.282993][   T10]      do_syscall_64+0xc6/0x1e0
[ 1964.282993][   T10] 
[ 1964.285173][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1964.285173][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1964.285173][   T10]      ipv6_find_idev+0x102/0x170
[ 1964.285173][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1964.285173][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1964.285173][   T10]      netlink_rcv_skb+0x130/0x360
[ 1964.285173][   T10]      netlink_unicast+0x449/0x710
[ 1964.285173][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1964.285173][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1964.285173][   T10]      ___sys_sendmsg+0xee/0x170
[ 1964.285173][   T10]      __sys_sendmsg+0xcd/0x170
[ 1964.285173][   T10]      do_syscall_64+0xc6/0x1e0
[ 1964.285173][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1964.285173][   T10] 
[ 1964.286930][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1964.286930][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1964.286930][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1964.286930][   T10]      ipv6_find_idev+0x102/0x170
[ 1964.286930][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1964.286930][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1964.286930][   T10]      netlink_rcv_skb+0x130/0x360
[ 1964.286930][   T10]      netlink_unicast+0x449/0x710
[ 1964.286930][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1964.286930][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1964.286930][   T10]      ___sys_sendmsg+0xee/0x170
[ 1964.286930][   T10]      __sys_sendmsg+0xcd/0x170
[ 1964.286930][   T10]      do_syscall_64+0xc6/0x1e0
[ 1964.286930][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1964.286930][   T10] 
[ 1974.319872][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1974.320244][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1974.320244][   T10]      dst_init+0x84/0x4a0
[ 1974.320244][   T10]      dst_alloc+0x97/0x150
[ 1974.320244][   T10]      ip6_dst_alloc+0x23/0x90
[ 1974.320244][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1974.320244][   T10]      ip6_pol_route+0x56f/0x840
[ 1974.320244][   T10]      fib6_rule_lookup+0x456/0x630
[ 1974.320244][   T10]      ip6_route_input+0x59c/0xa50
[ 1974.320244][   T10]      ipv6_rcv+0x397/0x810
[ 1974.320244][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1974.320244][   T10]      process_backlog+0x101/0x620
[ 1974.320244][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1974.320244][   T10]      net_rx_action+0x495/0xbe0
[ 1974.320244][   T10]      __do_softirq+0x1b5/0x7f6
[ 1974.320244][   T10] 
[ 1974.322141][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1974.322141][   T10]      netdev_get_by_index+0x5e/0x80
[ 1974.322141][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1974.322141][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1974.322141][   T10]      ip6_route_add+0x1c/0x140
[ 1974.322141][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1974.322141][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1974.322141][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1974.322141][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1974.322141][   T10]      netlink_rcv_skb+0x130/0x360
[ 1974.322141][   T10]      netlink_unicast+0x449/0x710
[ 1974.322141][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1974.322141][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1974.322141][   T10]      ___sys_sendmsg+0xee/0x170
[ 1974.322141][   T10]      __sys_sendmsg+0xcd/0x170
[ 1974.322141][   T10]      do_syscall_64+0xc6/0x1e0
[ 1974.322141][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1974.322141][   T10] 
[ 1974.324364][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1974.324364][   T10]      netdev_get_by_index+0x5e/0x80
[ 1974.324364][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1974.324364][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1974.324364][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1974.324364][   T10]      ipv6_add_addr+0x411/0x2000
[ 1974.324364][   T10]      inet6_addr_add+0x30e/0xa40
[ 1974.324364][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1974.324364][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1974.324364][   T10]      netlink_rcv_skb+0x130/0x360
[ 1974.324364][   T10]      netlink_unicast+0x449/0x710
[ 1974.324364][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1974.324364][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1974.324364][   T10]      ___sys_sendmsg+0xee/0x170
[ 1974.324364][   T10]      __sys_sendmsg+0xcd/0x170
[ 1974.324364][   T10]      do_syscall_64+0xc6/0x1e0
[ 1974.324364][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1974.324364][   T10] 
[ 1974.326561][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1974.326561][   T10]      netdev_get_by_index+0x5e/0x80
[ 1974.326561][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1974.326561][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1974.326561][   T10]      ip6_route_add+0x1c/0x140
[ 1974.326561][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1974.326561][   T10]      addrconf_add_dev+0xe2/0x170
[ 1974.326561][   T10]      inet6_addr_add+0x12f/0xa40
[ 1974.326561][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1974.326561][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1974.326561][   T10]      netlink_rcv_skb+0x130/0x360
[ 1974.326561][   T10]      netlink_unicast+0x449/0x710
[ 1974.326561][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1974.326561][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1974.326561][   T10]      ___sys_sendmsg+0xee/0x170
[ 1974.326561][   T10]      __sys_sendmsg+0xcd/0x170
[ 1974.326561][   T10]      do_syscall_64+0xc6/0x1e0
[ 1974.326561][   T10] 
[ 1974.328761][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1974.328761][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1974.328761][   T10]      ipv6_find_idev+0x102/0x170
[ 1974.328761][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1974.328761][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1974.328761][   T10]      netlink_rcv_skb+0x130/0x360
[ 1974.328761][   T10]      netlink_unicast+0x449/0x710
[ 1974.328761][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1974.328761][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1974.328761][   T10]      ___sys_sendmsg+0xee/0x170
[ 1974.328761][   T10]      __sys_sendmsg+0xcd/0x170
[ 1974.328761][   T10]      do_syscall_64+0xc6/0x1e0
[ 1974.328761][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1974.328761][   T10] 
[ 1974.330456][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1974.330456][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1974.330456][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1974.330456][   T10]      ipv6_find_idev+0x102/0x170
[ 1974.330456][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1974.330456][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1974.330456][   T10]      netlink_rcv_skb+0x130/0x360
[ 1974.330456][   T10]      netlink_unicast+0x449/0x710
[ 1974.330456][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1974.330456][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1974.330456][   T10]      ___sys_sendmsg+0xee/0x170
[ 1974.330456][   T10]      __sys_sendmsg+0xcd/0x170
[ 1974.330456][   T10]      do_syscall_64+0xc6/0x1e0
[ 1974.330456][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1974.330456][   T10] 
[ 1974.332231][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1974.332501][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1974.332501][   T10]      netdev_get_by_index+0x5e/0x80
[ 1974.332501][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1974.332501][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1974.332501][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1974.332501][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1974.332501][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1974.332501][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1974.332501][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1974.332501][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1974.332501][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1974.332501][   T10]      vfs_write+0x9e5/0x10a0
[ 1974.332501][   T10]      ksys_write+0xf5/0x1e0
[ 1974.332501][   T10]      do_syscall_64+0xc6/0x1e0
[ 1974.332501][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1974.332501][   T10] 
[ 1974.334455][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1974.334455][   T10]      netdev_get_by_index+0x5e/0x80
[ 1974.334455][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1974.334455][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1974.334455][   T10]      ip6_route_add+0x1c/0x140
[ 1974.334455][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1974.334455][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1974.334455][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1974.334455][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1974.334455][   T10]      netlink_rcv_skb+0x130/0x360
[ 1974.334455][   T10]      netlink_unicast+0x449/0x710
[ 1974.334455][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1974.334455][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1974.334455][   T10]      ___sys_sendmsg+0xee/0x170
[ 1974.334455][   T10]      __sys_sendmsg+0xcd/0x170
[ 1974.334455][   T10]      do_syscall_64+0xc6/0x1e0
[ 1974.334455][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1974.334455][   T10] 
[ 1974.336638][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1974.336638][   T10]      netdev_get_by_index+0x5e/0x80
[ 1974.336638][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1974.336638][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1974.336638][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1974.336638][   T10]      ipv6_add_addr+0x411/0x2000
[ 1974.336638][   T10]      inet6_addr_add+0x30e/0xa40
[ 1974.336638][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1974.336638][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1974.336638][   T10]      netlink_rcv_skb+0x130/0x360
[ 1974.336638][   T10]      netlink_unicast+0x449/0x710
[ 1974.336638][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1974.336638][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1974.336638][   T10]      ___sys_sendmsg+0xee/0x170
[ 1974.336638][   T10]      __sys_sendmsg+0xcd/0x170
[ 1974.336638][   T10]      do_syscall_64+0xc6/0x1e0
[ 1974.336638][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1974.336638][   T10] 
[ 1974.338822][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1974.338822][   T10]      netdev_get_by_index+0x5e/0x80
[ 1974.338822][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1974.338822][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1974.338822][   T10]      ip6_route_add+0x1c/0x140
[ 1974.338822][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1974.338822][   T10]      addrconf_add_dev+0xe2/0x170
[ 1974.338822][   T10]      inet6_addr_add+0x12f/0xa40
[ 1974.338822][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1974.338822][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1974.338822][   T10]      netlink_rcv_skb+0x130/0x360
[ 1974.338822][   T10]      netlink_unicast+0x449/0x710
[ 1974.338822][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1974.338822][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1974.338822][   T10]      ___sys_sendmsg+0xee/0x170
[ 1974.338822][   T10]      __sys_sendmsg+0xcd/0x170
[ 1974.338822][   T10]      do_syscall_64+0xc6/0x1e0
[ 1974.338822][   T10] 
[ 1974.340955][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1974.340955][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1974.340955][   T10]      ipv6_find_idev+0x102/0x170
[ 1974.340955][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1974.340955][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1974.340955][   T10]      netlink_rcv_skb+0x130/0x360
[ 1974.340955][   T10]      netlink_unicast+0x449/0x710
[ 1974.340955][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1974.340955][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1974.340955][   T10]      ___sys_sendmsg+0xee/0x170
[ 1974.340955][   T10]      __sys_sendmsg+0xcd/0x170
[ 1974.340955][   T10]      do_syscall_64+0xc6/0x1e0
[ 1974.340955][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1974.340955][   T10] 
[ 1974.342626][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1974.342626][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1974.342626][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1974.342626][   T10]      ipv6_find_idev+0x102/0x170
[ 1974.342626][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1974.342626][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1974.342626][   T10]      netlink_rcv_skb+0x130/0x360
[ 1974.342626][   T10]      netlink_unicast+0x449/0x710
[ 1974.342626][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1974.342626][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1974.342626][   T10]      ___sys_sendmsg+0xee/0x170
[ 1974.342626][   T10]      __sys_sendmsg+0xcd/0x170
[ 1974.342626][   T10]      do_syscall_64+0xc6/0x1e0
[ 1974.342626][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1974.342626][   T10] 
[ 1984.591890][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1984.592336][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1984.592336][   T10]      dst_init+0x84/0x4a0
[ 1984.592336][   T10]      dst_alloc+0x97/0x150
[ 1984.592336][   T10]      ip6_dst_alloc+0x23/0x90
[ 1984.592336][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1984.592336][   T10]      ip6_pol_route+0x56f/0x840
[ 1984.592336][   T10]      fib6_rule_lookup+0x456/0x630
[ 1984.592336][   T10]      ip6_route_input+0x59c/0xa50
[ 1984.592336][   T10]      ipv6_rcv+0x397/0x810
[ 1984.592336][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1984.592336][   T10]      process_backlog+0x101/0x620
[ 1984.592336][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1984.592336][   T10]      net_rx_action+0x495/0xbe0
[ 1984.592336][   T10]      __do_softirq+0x1b5/0x7f6
[ 1984.592336][   T10] 
[ 1984.594146][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1984.594146][   T10]      netdev_get_by_index+0x5e/0x80
[ 1984.594146][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1984.594146][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1984.594146][   T10]      ip6_route_add+0x1c/0x140
[ 1984.594146][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1984.594146][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1984.594146][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1984.594146][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1984.594146][   T10]      netlink_rcv_skb+0x130/0x360
[ 1984.594146][   T10]      netlink_unicast+0x449/0x710
[ 1984.594146][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1984.594146][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1984.594146][   T10]      ___sys_sendmsg+0xee/0x170
[ 1984.594146][   T10]      __sys_sendmsg+0xcd/0x170
[ 1984.594146][   T10]      do_syscall_64+0xc6/0x1e0
[ 1984.594146][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1984.594146][   T10] 
[ 1984.596390][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1984.596390][   T10]      netdev_get_by_index+0x5e/0x80
[ 1984.596390][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1984.596390][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1984.596390][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1984.596390][   T10]      ipv6_add_addr+0x411/0x2000
[ 1984.596390][   T10]      inet6_addr_add+0x30e/0xa40
[ 1984.596390][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1984.596390][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1984.596390][   T10]      netlink_rcv_skb+0x130/0x360
[ 1984.596390][   T10]      netlink_unicast+0x449/0x710
[ 1984.596390][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1984.596390][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1984.596390][   T10]      ___sys_sendmsg+0xee/0x170
[ 1984.596390][   T10]      __sys_sendmsg+0xcd/0x170
[ 1984.596390][   T10]      do_syscall_64+0xc6/0x1e0
[ 1984.596390][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1984.596390][   T10] 
[ 1984.598621][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1984.598621][   T10]      netdev_get_by_index+0x5e/0x80
[ 1984.598621][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1984.598621][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1984.598621][   T10]      ip6_route_add+0x1c/0x140
[ 1984.598621][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1984.598621][   T10]      addrconf_add_dev+0xe2/0x170
[ 1984.598621][   T10]      inet6_addr_add+0x12f/0xa40
[ 1984.598621][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1984.598621][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1984.598621][   T10]      netlink_rcv_skb+0x130/0x360
[ 1984.598621][   T10]      netlink_unicast+0x449/0x710
[ 1984.598621][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1984.598621][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1984.598621][   T10]      ___sys_sendmsg+0xee/0x170
[ 1984.598621][   T10]      __sys_sendmsg+0xcd/0x170
[ 1984.598621][   T10]      do_syscall_64+0xc6/0x1e0
[ 1984.598621][   T10] 
[ 1984.600714][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1984.600714][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1984.600714][   T10]      ipv6_find_idev+0x102/0x170
[ 1984.600714][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1984.600714][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1984.600714][   T10]      netlink_rcv_skb+0x130/0x360
[ 1984.600714][   T10]      netlink_unicast+0x449/0x710
[ 1984.600714][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1984.600714][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1984.600714][   T10]      ___sys_sendmsg+0xee/0x170
[ 1984.600714][   T10]      __sys_sendmsg+0xcd/0x170
[ 1984.600714][   T10]      do_syscall_64+0xc6/0x1e0
[ 1984.600714][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1984.600714][   T10] 
[ 1984.602401][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1984.602401][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1984.602401][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1984.602401][   T10]      ipv6_find_idev+0x102/0x170
[ 1984.602401][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1984.602401][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1984.602401][   T10]      netlink_rcv_skb+0x130/0x360
[ 1984.602401][   T10]      netlink_unicast+0x449/0x710
[ 1984.602401][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1984.602401][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1984.602401][   T10]      ___sys_sendmsg+0xee/0x170
[ 1984.602401][   T10]      __sys_sendmsg+0xcd/0x170
[ 1984.602401][   T10]      do_syscall_64+0xc6/0x1e0
[ 1984.602401][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1984.602401][   T10] 
[ 1984.604247][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1984.604507][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1984.604507][   T10]      netdev_get_by_index+0x5e/0x80
[ 1984.604507][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1984.604507][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1984.604507][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1984.604507][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1984.604507][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1984.604507][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1984.604507][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1984.604507][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1984.604507][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1984.604507][   T10]      vfs_write+0x9e5/0x10a0
[ 1984.604507][   T10]      ksys_write+0xf5/0x1e0
[ 1984.604507][   T10]      do_syscall_64+0xc6/0x1e0
[ 1984.604507][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1984.604507][   T10] 
[ 1984.606557][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1984.606557][   T10]      netdev_get_by_index+0x5e/0x80
[ 1984.606557][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1984.606557][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1984.606557][   T10]      ip6_route_add+0x1c/0x140
[ 1984.606557][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1984.606557][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1984.606557][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1984.606557][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1984.606557][   T10]      netlink_rcv_skb+0x130/0x360
[ 1984.606557][   T10]      netlink_unicast+0x449/0x710
[ 1984.606557][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1984.606557][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1984.606557][   T10]      ___sys_sendmsg+0xee/0x170
[ 1984.606557][   T10]      __sys_sendmsg+0xcd/0x170
[ 1984.606557][   T10]      do_syscall_64+0xc6/0x1e0
[ 1984.606557][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1984.606557][   T10] 
[ 1984.608766][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1984.608766][   T10]      netdev_get_by_index+0x5e/0x80
[ 1984.608766][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1984.608766][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1984.608766][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1984.608766][   T10]      ipv6_add_addr+0x411/0x2000
[ 1984.608766][   T10]      inet6_addr_add+0x30e/0xa40
[ 1984.608766][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1984.608766][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1984.608766][   T10]      netlink_rcv_skb+0x130/0x360
[ 1984.608766][   T10]      netlink_unicast+0x449/0x710
[ 1984.608766][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1984.608766][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1984.608766][   T10]      ___sys_sendmsg+0xee/0x170
[ 1984.608766][   T10]      __sys_sendmsg+0xcd/0x170
[ 1984.608766][   T10]      do_syscall_64+0xc6/0x1e0
[ 1984.608766][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1984.608766][   T10] 
[ 1984.610954][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1984.610954][   T10]      netdev_get_by_index+0x5e/0x80
[ 1984.610954][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1984.610954][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1984.610954][   T10]      ip6_route_add+0x1c/0x140
[ 1984.610954][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1984.610954][   T10]      addrconf_add_dev+0xe2/0x170
[ 1984.610954][   T10]      inet6_addr_add+0x12f/0xa40
[ 1984.610954][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1984.610954][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1984.610954][   T10]      netlink_rcv_skb+0x130/0x360
[ 1984.610954][   T10]      netlink_unicast+0x449/0x710
[ 1984.610954][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1984.610954][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1984.610954][   T10]      ___sys_sendmsg+0xee/0x170
[ 1984.610954][   T10]      __sys_sendmsg+0xcd/0x170
[ 1984.610954][   T10]      do_syscall_64+0xc6/0x1e0
[ 1984.610954][   T10] 
[ 1984.613056][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1984.613056][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1984.613056][   T10]      ipv6_find_idev+0x102/0x170
[ 1984.613056][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1984.613056][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1984.613056][   T10]      netlink_rcv_skb+0x130/0x360
[ 1984.613056][   T10]      netlink_unicast+0x449/0x710
[ 1984.613056][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1984.613056][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1984.613056][   T10]      ___sys_sendmsg+0xee/0x170
[ 1984.613056][   T10]      __sys_sendmsg+0xcd/0x170
[ 1984.613056][   T10]      do_syscall_64+0xc6/0x1e0
[ 1984.613056][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1984.613056][   T10] 
[ 1984.614784][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1984.614784][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1984.614784][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1984.614784][   T10]      ipv6_find_idev+0x102/0x170
[ 1984.614784][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1984.614784][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1984.614784][   T10]      netlink_rcv_skb+0x130/0x360
[ 1984.614784][   T10]      netlink_unicast+0x449/0x710
[ 1984.614784][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1984.614784][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1984.614784][   T10]      ___sys_sendmsg+0xee/0x170
[ 1984.614784][   T10]      __sys_sendmsg+0xcd/0x170
[ 1984.614784][   T10]      do_syscall_64+0xc6/0x1e0
[ 1984.614784][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1984.614784][   T10] 
[ 1994.855879][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 1994.856386][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 1994.856386][   T10]      dst_init+0x84/0x4a0
[ 1994.856386][   T10]      dst_alloc+0x97/0x150
[ 1994.856386][   T10]      ip6_dst_alloc+0x23/0x90
[ 1994.856386][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1994.856386][   T10]      ip6_pol_route+0x56f/0x840
[ 1994.856386][   T10]      fib6_rule_lookup+0x456/0x630
[ 1994.856386][   T10]      ip6_route_input+0x59c/0xa50
[ 1994.856386][   T10]      ipv6_rcv+0x397/0x810
[ 1994.856386][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1994.856386][   T10]      process_backlog+0x101/0x620
[ 1994.856386][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1994.856386][   T10]      net_rx_action+0x495/0xbe0
[ 1994.856386][   T10]      __do_softirq+0x1b5/0x7f6
[ 1994.856386][   T10] 
[ 1994.858245][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1994.858245][   T10]      netdev_get_by_index+0x5e/0x80
[ 1994.858245][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1994.858245][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1994.858245][   T10]      ip6_route_add+0x1c/0x140
[ 1994.858245][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1994.858245][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1994.858245][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1994.858245][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1994.858245][   T10]      netlink_rcv_skb+0x130/0x360
[ 1994.858245][   T10]      netlink_unicast+0x449/0x710
[ 1994.858245][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1994.858245][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1994.858245][   T10]      ___sys_sendmsg+0xee/0x170
[ 1994.858245][   T10]      __sys_sendmsg+0xcd/0x170
[ 1994.858245][   T10]      do_syscall_64+0xc6/0x1e0
[ 1994.858245][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1994.858245][   T10] 
[ 1994.860492][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 1994.860492][   T10]      netdev_get_by_index+0x5e/0x80
[ 1994.860492][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1994.860492][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1994.860492][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1994.860492][   T10]      ipv6_add_addr+0x411/0x2000
[ 1994.860492][   T10]      inet6_addr_add+0x30e/0xa40
[ 1994.860492][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1994.860492][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1994.860492][   T10]      netlink_rcv_skb+0x130/0x360
[ 1994.860492][   T10]      netlink_unicast+0x449/0x710
[ 1994.860492][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1994.860492][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1994.860492][   T10]      ___sys_sendmsg+0xee/0x170
[ 1994.860492][   T10]      __sys_sendmsg+0xcd/0x170
[ 1994.860492][   T10]      do_syscall_64+0xc6/0x1e0
[ 1994.860492][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1994.860492][   T10] 
[ 1994.862706][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1994.862706][   T10]      netdev_get_by_index+0x5e/0x80
[ 1994.862706][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1994.862706][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1994.862706][   T10]      ip6_route_add+0x1c/0x140
[ 1994.862706][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1994.862706][   T10]      addrconf_add_dev+0xe2/0x170
[ 1994.862706][   T10]      inet6_addr_add+0x12f/0xa40
[ 1994.862706][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1994.862706][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1994.862706][   T10]      netlink_rcv_skb+0x130/0x360
[ 1994.862706][   T10]      netlink_unicast+0x449/0x710
[ 1994.862706][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1994.862706][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1994.862706][   T10]      ___sys_sendmsg+0xee/0x170
[ 1994.862706][   T10]      __sys_sendmsg+0xcd/0x170
[ 1994.862706][   T10]      do_syscall_64+0xc6/0x1e0
[ 1994.862706][   T10] 
[ 1994.864921][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1994.864921][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1994.864921][   T10]      ipv6_find_idev+0x102/0x170
[ 1994.864921][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1994.864921][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1994.864921][   T10]      netlink_rcv_skb+0x130/0x360
[ 1994.864921][   T10]      netlink_unicast+0x449/0x710
[ 1994.864921][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1994.864921][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1994.864921][   T10]      ___sys_sendmsg+0xee/0x170
[ 1994.864921][   T10]      __sys_sendmsg+0xcd/0x170
[ 1994.864921][   T10]      do_syscall_64+0xc6/0x1e0
[ 1994.864921][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1994.864921][   T10] 
[ 1994.866643][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 1994.866643][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1994.866643][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1994.866643][   T10]      ipv6_find_idev+0x102/0x170
[ 1994.866643][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1994.866643][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1994.866643][   T10]      netlink_rcv_skb+0x130/0x360
[ 1994.866643][   T10]      netlink_unicast+0x449/0x710
[ 1994.866643][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1994.866643][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1994.866643][   T10]      ___sys_sendmsg+0xee/0x170
[ 1994.866643][   T10]      __sys_sendmsg+0xcd/0x170
[ 1994.866643][   T10]      do_syscall_64+0xc6/0x1e0
[ 1994.866643][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1994.866643][   T10] 
[ 1994.868497][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 1994.868781][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1994.868781][   T10]      netdev_get_by_index+0x5e/0x80
[ 1994.868781][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1994.868781][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1994.868781][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1994.868781][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1994.868781][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1994.868781][   T10]      dev_forward_change+0x2a6/0x7b0
[ 1994.868781][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 1994.868781][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 1994.868781][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 1994.868781][   T10]      vfs_write+0x9e5/0x10a0
[ 1994.868781][   T10]      ksys_write+0xf5/0x1e0
[ 1994.868781][   T10]      do_syscall_64+0xc6/0x1e0
[ 1994.868781][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1994.868781][   T10] 
[ 1994.870784][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1994.870784][   T10]      netdev_get_by_index+0x5e/0x80
[ 1994.870784][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1994.870784][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1994.870784][   T10]      ip6_route_add+0x1c/0x140
[ 1994.870784][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1994.870784][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1994.870784][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1994.870784][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1994.870784][   T10]      netlink_rcv_skb+0x130/0x360
[ 1994.870784][   T10]      netlink_unicast+0x449/0x710
[ 1994.870784][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1994.870784][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1994.870784][   T10]      ___sys_sendmsg+0xee/0x170
[ 1994.870784][   T10]      __sys_sendmsg+0xcd/0x170
[ 1994.870784][   T10]      do_syscall_64+0xc6/0x1e0
[ 1994.870784][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1994.870784][   T10] 
[ 1994.872984][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1994.872984][   T10]      netdev_get_by_index+0x5e/0x80
[ 1994.872984][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1994.872984][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1994.872984][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1994.872984][   T10]      ipv6_add_addr+0x411/0x2000
[ 1994.872984][   T10]      inet6_addr_add+0x30e/0xa40
[ 1994.872984][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1994.872984][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1994.872984][   T10]      netlink_rcv_skb+0x130/0x360
[ 1994.872984][   T10]      netlink_unicast+0x449/0x710
[ 1994.872984][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1994.872984][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1994.872984][   T10]      ___sys_sendmsg+0xee/0x170
[ 1994.872984][   T10]      __sys_sendmsg+0xcd/0x170
[ 1994.872984][   T10]      do_syscall_64+0xc6/0x1e0
[ 1994.872984][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1994.872984][   T10] 
[ 1994.875200][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1994.875200][   T10]      netdev_get_by_index+0x5e/0x80
[ 1994.875200][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1994.875200][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1994.875200][   T10]      ip6_route_add+0x1c/0x140
[ 1994.875200][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1994.875200][   T10]      addrconf_add_dev+0xe2/0x170
[ 1994.875200][   T10]      inet6_addr_add+0x12f/0xa40
[ 1994.875200][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1994.875200][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1994.875200][   T10]      netlink_rcv_skb+0x130/0x360
[ 1994.875200][   T10]      netlink_unicast+0x449/0x710
[ 1994.875200][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1994.875200][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1994.875200][   T10]      ___sys_sendmsg+0xee/0x170
[ 1994.875200][   T10]      __sys_sendmsg+0xcd/0x170
[ 1994.875200][   T10]      do_syscall_64+0xc6/0x1e0
[ 1994.875200][   T10] 
[ 1994.877385][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1994.877385][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1994.877385][   T10]      ipv6_find_idev+0x102/0x170
[ 1994.877385][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1994.877385][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1994.877385][   T10]      netlink_rcv_skb+0x130/0x360
[ 1994.877385][   T10]      netlink_unicast+0x449/0x710
[ 1994.877385][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1994.877385][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1994.877385][   T10]      ___sys_sendmsg+0xee/0x170
[ 1994.877385][   T10]      __sys_sendmsg+0xcd/0x170
[ 1994.877385][   T10]      do_syscall_64+0xc6/0x1e0
[ 1994.877385][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1994.877385][   T10] 
[ 1994.879140][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 1994.879140][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1994.879140][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1994.879140][   T10]      ipv6_find_idev+0x102/0x170
[ 1994.879140][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1994.879140][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1994.879140][   T10]      netlink_rcv_skb+0x130/0x360
[ 1994.879140][   T10]      netlink_unicast+0x449/0x710
[ 1994.879140][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1994.879140][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1994.879140][   T10]      ___sys_sendmsg+0xee/0x170
[ 1994.879140][   T10]      __sys_sendmsg+0xcd/0x170
[ 1994.879140][   T10]      do_syscall_64+0xc6/0x1e0
[ 1994.879140][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1994.879140][   T10] 
[ 2004.919853][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2004.920225][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2004.920225][   T10]      dst_init+0x84/0x4a0
[ 2004.920225][   T10]      dst_alloc+0x97/0x150
[ 2004.920225][   T10]      ip6_dst_alloc+0x23/0x90
[ 2004.920225][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2004.920225][   T10]      ip6_pol_route+0x56f/0x840
[ 2004.920225][   T10]      fib6_rule_lookup+0x456/0x630
[ 2004.920225][   T10]      ip6_route_input+0x59c/0xa50
[ 2004.920225][   T10]      ipv6_rcv+0x397/0x810
[ 2004.920225][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2004.920225][   T10]      process_backlog+0x101/0x620
[ 2004.920225][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2004.920225][   T10]      net_rx_action+0x495/0xbe0
[ 2004.920225][   T10]      __do_softirq+0x1b5/0x7f6
[ 2004.920225][   T10] 
[ 2004.922082][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2004.922082][   T10]      netdev_get_by_index+0x5e/0x80
[ 2004.922082][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2004.922082][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2004.922082][   T10]      ip6_route_add+0x1c/0x140
[ 2004.922082][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2004.922082][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2004.922082][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2004.922082][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2004.922082][   T10]      netlink_rcv_skb+0x130/0x360
[ 2004.922082][   T10]      netlink_unicast+0x449/0x710
[ 2004.922082][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2004.922082][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2004.922082][   T10]      ___sys_sendmsg+0xee/0x170
[ 2004.922082][   T10]      __sys_sendmsg+0xcd/0x170
[ 2004.922082][   T10]      do_syscall_64+0xc6/0x1e0
[ 2004.922082][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2004.922082][   T10] 
[ 2004.924319][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2004.924319][   T10]      netdev_get_by_index+0x5e/0x80
[ 2004.924319][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2004.924319][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2004.924319][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2004.924319][   T10]      ipv6_add_addr+0x411/0x2000
[ 2004.924319][   T10]      inet6_addr_add+0x30e/0xa40
[ 2004.924319][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2004.924319][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2004.924319][   T10]      netlink_rcv_skb+0x130/0x360
[ 2004.924319][   T10]      netlink_unicast+0x449/0x710
[ 2004.924319][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2004.924319][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2004.924319][   T10]      ___sys_sendmsg+0xee/0x170
[ 2004.924319][   T10]      __sys_sendmsg+0xcd/0x170
[ 2004.924319][   T10]      do_syscall_64+0xc6/0x1e0
[ 2004.924319][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2004.924319][   T10] 
[ 2004.926524][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2004.926524][   T10]      netdev_get_by_index+0x5e/0x80
[ 2004.926524][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2004.926524][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2004.926524][   T10]      ip6_route_add+0x1c/0x140
[ 2004.926524][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2004.926524][   T10]      addrconf_add_dev+0xe2/0x170
[ 2004.926524][   T10]      inet6_addr_add+0x12f/0xa40
[ 2004.926524][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2004.926524][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2004.926524][   T10]      netlink_rcv_skb+0x130/0x360
[ 2004.926524][   T10]      netlink_unicast+0x449/0x710
[ 2004.926524][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2004.926524][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2004.926524][   T10]      ___sys_sendmsg+0xee/0x170
[ 2004.926524][   T10]      __sys_sendmsg+0xcd/0x170
[ 2004.926524][   T10]      do_syscall_64+0xc6/0x1e0
[ 2004.926524][   T10] 
[ 2004.928681][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2004.928681][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2004.928681][   T10]      ipv6_find_idev+0x102/0x170
[ 2004.928681][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2004.928681][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2004.928681][   T10]      netlink_rcv_skb+0x130/0x360
[ 2004.928681][   T10]      netlink_unicast+0x449/0x710
[ 2004.928681][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2004.928681][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2004.928681][   T10]      ___sys_sendmsg+0xee/0x170
[ 2004.928681][   T10]      __sys_sendmsg+0xcd/0x170
[ 2004.928681][   T10]      do_syscall_64+0xc6/0x1e0
[ 2004.928681][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2004.928681][   T10] 
[ 2004.930328][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2004.930328][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2004.930328][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2004.930328][   T10]      ipv6_find_idev+0x102/0x170
[ 2004.930328][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2004.930328][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2004.930328][   T10]      netlink_rcv_skb+0x130/0x360
[ 2004.930328][   T10]      netlink_unicast+0x449/0x710
[ 2004.930328][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2004.930328][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2004.930328][   T10]      ___sys_sendmsg+0xee/0x170
[ 2004.930328][   T10]      __sys_sendmsg+0xcd/0x170
[ 2004.930328][   T10]      do_syscall_64+0xc6/0x1e0
[ 2004.930328][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2004.930328][   T10] 
[ 2004.932169][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2004.932430][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2004.932430][   T10]      netdev_get_by_index+0x5e/0x80
[ 2004.932430][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2004.932430][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2004.932430][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2004.932430][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2004.932430][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2004.932430][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2004.932430][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2004.932430][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2004.932430][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2004.932430][   T10]      vfs_write+0x9e5/0x10a0
[ 2004.932430][   T10]      ksys_write+0xf5/0x1e0
[ 2004.932430][   T10]      do_syscall_64+0xc6/0x1e0
[ 2004.932430][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2004.932430][   T10] 
[ 2004.934432][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2004.934432][   T10]      netdev_get_by_index+0x5e/0x80
[ 2004.934432][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2004.934432][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2004.934432][   T10]      ip6_route_add+0x1c/0x140
[ 2004.934432][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2004.934432][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2004.934432][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2004.934432][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2004.934432][   T10]      netlink_rcv_skb+0x130/0x360
[ 2004.934432][   T10]      netlink_unicast+0x449/0x710
[ 2004.934432][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2004.934432][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2004.934432][   T10]      ___sys_sendmsg+0xee/0x170
[ 2004.934432][   T10]      __sys_sendmsg+0xcd/0x170
[ 2004.934432][   T10]      do_syscall_64+0xc6/0x1e0
[ 2004.934432][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2004.934432][   T10] 
[ 2004.936630][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2004.936630][   T10]      netdev_get_by_index+0x5e/0x80
[ 2004.936630][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2004.936630][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2004.936630][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2004.936630][   T10]      ipv6_add_addr+0x411/0x2000
[ 2004.936630][   T10]      inet6_addr_add+0x30e/0xa40
[ 2004.936630][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2004.936630][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2004.936630][   T10]      netlink_rcv_skb+0x130/0x360
[ 2004.936630][   T10]      netlink_unicast+0x449/0x710
[ 2004.936630][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2004.936630][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2004.936630][   T10]      ___sys_sendmsg+0xee/0x170
[ 2004.936630][   T10]      __sys_sendmsg+0xcd/0x170
[ 2004.936630][   T10]      do_syscall_64+0xc6/0x1e0
[ 2004.936630][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2004.936630][   T10] 
[ 2004.938802][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2004.938802][   T10]      netdev_get_by_index+0x5e/0x80
[ 2004.938802][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2004.938802][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2004.938802][   T10]      ip6_route_add+0x1c/0x140
[ 2004.938802][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2004.938802][   T10]      addrconf_add_dev+0xe2/0x170
[ 2004.938802][   T10]      inet6_addr_add+0x12f/0xa40
[ 2004.938802][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2004.938802][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2004.938802][   T10]      netlink_rcv_skb+0x130/0x360
[ 2004.938802][   T10]      netlink_unicast+0x449/0x710
[ 2004.938802][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2004.938802][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2004.938802][   T10]      ___sys_sendmsg+0xee/0x170
[ 2004.938802][   T10]      __sys_sendmsg+0xcd/0x170
[ 2004.938802][   T10]      do_syscall_64+0xc6/0x1e0
[ 2004.938802][   T10] 
[ 2004.940994][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2004.940994][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2004.940994][   T10]      ipv6_find_idev+0x102/0x170
[ 2004.940994][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2004.940994][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2004.940994][   T10]      netlink_rcv_skb+0x130/0x360
[ 2004.940994][   T10]      netlink_unicast+0x449/0x710
[ 2004.940994][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2004.940994][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2004.940994][   T10]      ___sys_sendmsg+0xee/0x170
[ 2004.940994][   T10]      __sys_sendmsg+0xcd/0x170
[ 2004.940994][   T10]      do_syscall_64+0xc6/0x1e0
[ 2004.940994][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2004.940994][   T10] 
[ 2004.942646][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2004.942646][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2004.942646][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2004.942646][   T10]      ipv6_find_idev+0x102/0x170
[ 2004.942646][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2004.942646][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2004.942646][   T10]      netlink_rcv_skb+0x130/0x360
[ 2004.942646][   T10]      netlink_unicast+0x449/0x710
[ 2004.942646][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2004.942646][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2004.942646][   T10]      ___sys_sendmsg+0xee/0x170
[ 2004.942646][   T10]      __sys_sendmsg+0xcd/0x170
[ 2004.942646][   T10]      do_syscall_64+0xc6/0x1e0
[ 2004.942646][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2004.942646][   T10] 
[ 2015.183875][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2015.184337][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2015.184337][   T10]      dst_init+0x84/0x4a0
[ 2015.184337][   T10]      dst_alloc+0x97/0x150
[ 2015.184337][   T10]      ip6_dst_alloc+0x23/0x90
[ 2015.184337][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2015.184337][   T10]      ip6_pol_route+0x56f/0x840
[ 2015.184337][   T10]      fib6_rule_lookup+0x456/0x630
[ 2015.184337][   T10]      ip6_route_input+0x59c/0xa50
[ 2015.184337][   T10]      ipv6_rcv+0x397/0x810
[ 2015.184337][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2015.184337][   T10]      process_backlog+0x101/0x620
[ 2015.184337][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2015.184337][   T10]      net_rx_action+0x495/0xbe0
[ 2015.184337][   T10]      __do_softirq+0x1b5/0x7f6
[ 2015.184337][   T10] 
[ 2015.186145][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2015.186145][   T10]      netdev_get_by_index+0x5e/0x80
[ 2015.186145][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2015.186145][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2015.186145][   T10]      ip6_route_add+0x1c/0x140
[ 2015.186145][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2015.186145][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2015.186145][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2015.186145][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2015.186145][   T10]      netlink_rcv_skb+0x130/0x360
[ 2015.186145][   T10]      netlink_unicast+0x449/0x710
[ 2015.186145][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2015.186145][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2015.186145][   T10]      ___sys_sendmsg+0xee/0x170
[ 2015.186145][   T10]      __sys_sendmsg+0xcd/0x170
[ 2015.186145][   T10]      do_syscall_64+0xc6/0x1e0
[ 2015.186145][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2015.186145][   T10] 
[ 2015.188319][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2015.188319][   T10]      netdev_get_by_index+0x5e/0x80
[ 2015.188319][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2015.188319][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2015.188319][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2015.188319][   T10]      ipv6_add_addr+0x411/0x2000
[ 2015.188319][   T10]      inet6_addr_add+0x30e/0xa40
[ 2015.188319][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2015.188319][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2015.188319][   T10]      netlink_rcv_skb+0x130/0x360
[ 2015.188319][   T10]      netlink_unicast+0x449/0x710
[ 2015.188319][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2015.188319][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2015.188319][   T10]      ___sys_sendmsg+0xee/0x170
[ 2015.188319][   T10]      __sys_sendmsg+0xcd/0x170
[ 2015.188319][   T10]      do_syscall_64+0xc6/0x1e0
[ 2015.188319][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2015.188319][   T10] 
[ 2015.190489][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2015.190489][   T10]      netdev_get_by_index+0x5e/0x80
[ 2015.190489][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2015.190489][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2015.190489][   T10]      ip6_route_add+0x1c/0x140
[ 2015.190489][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2015.190489][   T10]      addrconf_add_dev+0xe2/0x170
[ 2015.190489][   T10]      inet6_addr_add+0x12f/0xa40
[ 2015.190489][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2015.190489][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2015.190489][   T10]      netlink_rcv_skb+0x130/0x360
[ 2015.190489][   T10]      netlink_unicast+0x449/0x710
[ 2015.190489][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2015.190489][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2015.190489][   T10]      ___sys_sendmsg+0xee/0x170
[ 2015.190489][   T10]      __sys_sendmsg+0xcd/0x170
[ 2015.190489][   T10]      do_syscall_64+0xc6/0x1e0
[ 2015.190489][   T10] 
[ 2015.192584][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2015.192584][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2015.192584][   T10]      ipv6_find_idev+0x102/0x170
[ 2015.192584][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2015.192584][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2015.192584][   T10]      netlink_rcv_skb+0x130/0x360
[ 2015.192584][   T10]      netlink_unicast+0x449/0x710
[ 2015.192584][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2015.192584][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2015.192584][   T10]      ___sys_sendmsg+0xee/0x170
[ 2015.192584][   T10]      __sys_sendmsg+0xcd/0x170
[ 2015.192584][   T10]      do_syscall_64+0xc6/0x1e0
[ 2015.192584][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2015.192584][   T10] 
[ 2015.194235][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2015.194235][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2015.194235][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2015.194235][   T10]      ipv6_find_idev+0x102/0x170
[ 2015.194235][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2015.194235][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2015.194235][   T10]      netlink_rcv_skb+0x130/0x360
[ 2015.194235][   T10]      netlink_unicast+0x449/0x710
[ 2015.194235][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2015.194235][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2015.194235][   T10]      ___sys_sendmsg+0xee/0x170
[ 2015.194235][   T10]      __sys_sendmsg+0xcd/0x170
[ 2015.194235][   T10]      do_syscall_64+0xc6/0x1e0
[ 2015.194235][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2015.194235][   T10] 
[ 2015.196083][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2015.196383][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2015.196383][   T10]      netdev_get_by_index+0x5e/0x80
[ 2015.196383][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2015.196383][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2015.196383][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2015.196383][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2015.196383][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2015.196383][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2015.196383][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2015.196383][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2015.196383][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2015.196383][   T10]      vfs_write+0x9e5/0x10a0
[ 2015.196383][   T10]      ksys_write+0xf5/0x1e0
[ 2015.196383][   T10]      do_syscall_64+0xc6/0x1e0
[ 2015.196383][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2015.196383][   T10] 
[ 2015.198367][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2015.198367][   T10]      netdev_get_by_index+0x5e/0x80
[ 2015.198367][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2015.198367][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2015.198367][   T10]      ip6_route_add+0x1c/0x140
[ 2015.198367][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2015.198367][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2015.198367][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2015.198367][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2015.198367][   T10]      netlink_rcv_skb+0x130/0x360
[ 2015.198367][   T10]      netlink_unicast+0x449/0x710
[ 2015.198367][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2015.198367][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2015.198367][   T10]      ___sys_sendmsg+0xee/0x170
[ 2015.198367][   T10]      __sys_sendmsg+0xcd/0x170
[ 2015.198367][   T10]      do_syscall_64+0xc6/0x1e0
[ 2015.198367][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2015.198367][   T10] 
[ 2015.200454][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2015.200454][   T10]      netdev_get_by_index+0x5e/0x80
[ 2015.200454][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2015.200454][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2015.200454][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2015.200454][   T10]      ipv6_add_addr+0x411/0x2000
[ 2015.200454][   T10]      inet6_addr_add+0x30e/0xa40
[ 2015.200454][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2015.200454][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2015.200454][   T10]      netlink_rcv_skb+0x130/0x360
[ 2015.200454][   T10]      netlink_unicast+0x449/0x710
[ 2015.200454][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2015.200454][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2015.200454][   T10]      ___sys_sendmsg+0xee/0x170
[ 2015.200454][   T10]      __sys_sendmsg+0xcd/0x170
[ 2015.200454][   T10]      do_syscall_64+0xc6/0x1e0
[ 2015.200454][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2015.200454][   T10] 
[ 2015.202572][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2015.202572][   T10]      netdev_get_by_index+0x5e/0x80
[ 2015.202572][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2015.202572][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2015.202572][   T10]      ip6_route_add+0x1c/0x140
[ 2015.202572][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2015.202572][   T10]      addrconf_add_dev+0xe2/0x170
[ 2015.202572][   T10]      inet6_addr_add+0x12f/0xa40
[ 2015.202572][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2015.202572][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2015.202572][   T10]      netlink_rcv_skb+0x130/0x360
[ 2015.202572][   T10]      netlink_unicast+0x449/0x710
[ 2015.202572][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2015.202572][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2015.202572][   T10]      ___sys_sendmsg+0xee/0x170
[ 2015.202572][   T10]      __sys_sendmsg+0xcd/0x170
[ 2015.202572][   T10]      do_syscall_64+0xc6/0x1e0
[ 2015.202572][   T10] 
[ 2015.204679][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2015.204679][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2015.204679][   T10]      ipv6_find_idev+0x102/0x170
[ 2015.204679][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2015.204679][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2015.204679][   T10]      netlink_rcv_skb+0x130/0x360
[ 2015.204679][   T10]      netlink_unicast+0x449/0x710
[ 2015.204679][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2015.204679][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2015.204679][   T10]      ___sys_sendmsg+0xee/0x170
[ 2015.204679][   T10]      __sys_sendmsg+0xcd/0x170
[ 2015.204679][   T10]      do_syscall_64+0xc6/0x1e0
[ 2015.204679][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2015.204679][   T10] 
[ 2015.206383][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2015.206383][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2015.206383][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2015.206383][   T10]      ipv6_find_idev+0x102/0x170
[ 2015.206383][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2015.206383][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2015.206383][   T10]      netlink_rcv_skb+0x130/0x360
[ 2015.206383][   T10]      netlink_unicast+0x449/0x710
[ 2015.206383][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2015.206383][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2015.206383][   T10]      ___sys_sendmsg+0xee/0x170
[ 2015.206383][   T10]      __sys_sendmsg+0xcd/0x170
[ 2015.206383][   T10]      do_syscall_64+0xc6/0x1e0
[ 2015.206383][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2015.206383][   T10] 
[ 2025.223891][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2025.224390][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2025.224390][   T10]      dst_init+0x84/0x4a0
[ 2025.224390][   T10]      dst_alloc+0x97/0x150
[ 2025.224390][   T10]      ip6_dst_alloc+0x23/0x90
[ 2025.224390][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2025.224390][   T10]      ip6_pol_route+0x56f/0x840
[ 2025.224390][   T10]      fib6_rule_lookup+0x456/0x630
[ 2025.224390][   T10]      ip6_route_input+0x59c/0xa50
[ 2025.224390][   T10]      ipv6_rcv+0x397/0x810
[ 2025.224390][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2025.224390][   T10]      process_backlog+0x101/0x620
[ 2025.224390][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2025.224390][   T10]      net_rx_action+0x495/0xbe0
[ 2025.224390][   T10]      __do_softirq+0x1b5/0x7f6
[ 2025.224390][   T10] 
[ 2025.226208][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2025.226208][   T10]      netdev_get_by_index+0x5e/0x80
[ 2025.226208][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2025.226208][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2025.226208][   T10]      ip6_route_add+0x1c/0x140
[ 2025.226208][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2025.226208][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2025.226208][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2025.226208][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2025.226208][   T10]      netlink_rcv_skb+0x130/0x360
[ 2025.226208][   T10]      netlink_unicast+0x449/0x710
[ 2025.226208][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2025.226208][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2025.226208][   T10]      ___sys_sendmsg+0xee/0x170
[ 2025.226208][   T10]      __sys_sendmsg+0xcd/0x170
[ 2025.226208][   T10]      do_syscall_64+0xc6/0x1e0
[ 2025.226208][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2025.226208][   T10] 
[ 2025.228374][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2025.228374][   T10]      netdev_get_by_index+0x5e/0x80
[ 2025.228374][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2025.228374][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2025.228374][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2025.228374][   T10]      ipv6_add_addr+0x411/0x2000
[ 2025.228374][   T10]      inet6_addr_add+0x30e/0xa40
[ 2025.228374][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2025.228374][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2025.228374][   T10]      netlink_rcv_skb+0x130/0x360
[ 2025.228374][   T10]      netlink_unicast+0x449/0x710
[ 2025.228374][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2025.228374][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2025.228374][   T10]      ___sys_sendmsg+0xee/0x170
[ 2025.228374][   T10]      __sys_sendmsg+0xcd/0x170
[ 2025.228374][   T10]      do_syscall_64+0xc6/0x1e0
[ 2025.228374][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2025.228374][   T10] 
[ 2025.230592][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2025.230592][   T10]      netdev_get_by_index+0x5e/0x80
[ 2025.230592][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2025.230592][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2025.230592][   T10]      ip6_route_add+0x1c/0x140
[ 2025.230592][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2025.230592][   T10]      addrconf_add_dev+0xe2/0x170
[ 2025.230592][   T10]      inet6_addr_add+0x12f/0xa40
[ 2025.230592][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2025.230592][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2025.230592][   T10]      netlink_rcv_skb+0x130/0x360
[ 2025.230592][   T10]      netlink_unicast+0x449/0x710
[ 2025.230592][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2025.230592][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2025.230592][   T10]      ___sys_sendmsg+0xee/0x170
[ 2025.230592][   T10]      __sys_sendmsg+0xcd/0x170
[ 2025.230592][   T10]      do_syscall_64+0xc6/0x1e0
[ 2025.230592][   T10] 
[ 2025.232718][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2025.232718][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2025.232718][   T10]      ipv6_find_idev+0x102/0x170
[ 2025.232718][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2025.232718][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2025.232718][   T10]      netlink_rcv_skb+0x130/0x360
[ 2025.232718][   T10]      netlink_unicast+0x449/0x710
[ 2025.232718][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2025.232718][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2025.232718][   T10]      ___sys_sendmsg+0xee/0x170
[ 2025.232718][   T10]      __sys_sendmsg+0xcd/0x170
[ 2025.232718][   T10]      do_syscall_64+0xc6/0x1e0
[ 2025.232718][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2025.232718][   T10] 
[ 2025.234327][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2025.234327][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2025.234327][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2025.234327][   T10]      ipv6_find_idev+0x102/0x170
[ 2025.234327][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2025.234327][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2025.234327][   T10]      netlink_rcv_skb+0x130/0x360
[ 2025.234327][   T10]      netlink_unicast+0x449/0x710
[ 2025.234327][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2025.234327][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2025.234327][   T10]      ___sys_sendmsg+0xee/0x170
[ 2025.234327][   T10]      __sys_sendmsg+0xcd/0x170
[ 2025.234327][   T10]      do_syscall_64+0xc6/0x1e0
[ 2025.234327][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2025.234327][   T10] 
[ 2025.236157][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2025.236427][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2025.236427][   T10]      netdev_get_by_index+0x5e/0x80
[ 2025.236427][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2025.236427][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2025.236427][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2025.236427][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2025.236427][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2025.236427][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2025.236427][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2025.236427][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2025.236427][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2025.236427][   T10]      vfs_write+0x9e5/0x10a0
[ 2025.236427][   T10]      ksys_write+0xf5/0x1e0
[ 2025.236427][   T10]      do_syscall_64+0xc6/0x1e0
[ 2025.236427][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2025.236427][   T10] 
[ 2025.238377][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2025.238377][   T10]      netdev_get_by_index+0x5e/0x80
[ 2025.238377][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2025.238377][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2025.238377][   T10]      ip6_route_add+0x1c/0x140
[ 2025.238377][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2025.238377][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2025.238377][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2025.238377][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2025.238377][   T10]      netlink_rcv_skb+0x130/0x360
[ 2025.238377][   T10]      netlink_unicast+0x449/0x710
[ 2025.238377][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2025.238377][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2025.238377][   T10]      ___sys_sendmsg+0xee/0x170
[ 2025.238377][   T10]      __sys_sendmsg+0xcd/0x170
[ 2025.238377][   T10]      do_syscall_64+0xc6/0x1e0
[ 2025.238377][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2025.238377][   T10] 
[ 2025.240536][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2025.240536][   T10]      netdev_get_by_index+0x5e/0x80
[ 2025.240536][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2025.240536][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2025.240536][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2025.240536][   T10]      ipv6_add_addr+0x411/0x2000
[ 2025.240536][   T10]      inet6_addr_add+0x30e/0xa40
[ 2025.240536][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2025.240536][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2025.240536][   T10]      netlink_rcv_skb+0x130/0x360
[ 2025.240536][   T10]      netlink_unicast+0x449/0x710
[ 2025.240536][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2025.240536][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2025.240536][   T10]      ___sys_sendmsg+0xee/0x170
[ 2025.240536][   T10]      __sys_sendmsg+0xcd/0x170
[ 2025.240536][   T10]      do_syscall_64+0xc6/0x1e0
[ 2025.240536][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2025.240536][   T10] 
[ 2025.242686][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2025.242686][   T10]      netdev_get_by_index+0x5e/0x80
[ 2025.242686][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2025.242686][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2025.242686][   T10]      ip6_route_add+0x1c/0x140
[ 2025.242686][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2025.242686][   T10]      addrconf_add_dev+0xe2/0x170
[ 2025.242686][   T10]      inet6_addr_add+0x12f/0xa40
[ 2025.242686][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2025.242686][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2025.242686][   T10]      netlink_rcv_skb+0x130/0x360
[ 2025.242686][   T10]      netlink_unicast+0x449/0x710
[ 2025.242686][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2025.242686][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2025.242686][   T10]      ___sys_sendmsg+0xee/0x170
[ 2025.242686][   T10]      __sys_sendmsg+0xcd/0x170
[ 2025.242686][   T10]      do_syscall_64+0xc6/0x1e0
[ 2025.242686][   T10] 
[ 2025.244870][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2025.244870][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2025.244870][   T10]      ipv6_find_idev+0x102/0x170
[ 2025.244870][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2025.244870][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2025.244870][   T10]      netlink_rcv_skb+0x130/0x360
[ 2025.244870][   T10]      netlink_unicast+0x449/0x710
[ 2025.244870][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2025.244870][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2025.244870][   T10]      ___sys_sendmsg+0xee/0x170
[ 2025.244870][   T10]      __sys_sendmsg+0xcd/0x170
[ 2025.244870][   T10]      do_syscall_64+0xc6/0x1e0
[ 2025.244870][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2025.244870][   T10] 
[ 2025.246703][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2025.246703][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2025.246703][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2025.246703][   T10]      ipv6_find_idev+0x102/0x170
[ 2025.246703][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2025.246703][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2025.246703][   T10]      netlink_rcv_skb+0x130/0x360
[ 2025.246703][   T10]      netlink_unicast+0x449/0x710
[ 2025.246703][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2025.246703][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2025.246703][   T10]      ___sys_sendmsg+0xee/0x170
[ 2025.246703][   T10]      __sys_sendmsg+0xcd/0x170
[ 2025.246703][   T10]      do_syscall_64+0xc6/0x1e0
[ 2025.246703][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2025.246703][   T10] 
[ 2035.487879][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2035.488333][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2035.488333][   T10]      dst_init+0x84/0x4a0
[ 2035.488333][   T10]      dst_alloc+0x97/0x150
[ 2035.488333][   T10]      ip6_dst_alloc+0x23/0x90
[ 2035.488333][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2035.488333][   T10]      ip6_pol_route+0x56f/0x840
[ 2035.488333][   T10]      fib6_rule_lookup+0x456/0x630
[ 2035.488333][   T10]      ip6_route_input+0x59c/0xa50
[ 2035.488333][   T10]      ipv6_rcv+0x397/0x810
[ 2035.488333][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2035.488333][   T10]      process_backlog+0x101/0x620
[ 2035.488333][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2035.488333][   T10]      net_rx_action+0x495/0xbe0
[ 2035.488333][   T10]      __do_softirq+0x1b5/0x7f6
[ 2035.488333][   T10] 
[ 2035.490112][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2035.490112][   T10]      netdev_get_by_index+0x5e/0x80
[ 2035.490112][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2035.490112][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2035.490112][   T10]      ip6_route_add+0x1c/0x140
[ 2035.490112][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2035.490112][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2035.490112][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2035.490112][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2035.490112][   T10]      netlink_rcv_skb+0x130/0x360
[ 2035.490112][   T10]      netlink_unicast+0x449/0x710
[ 2035.490112][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2035.490112][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2035.490112][   T10]      ___sys_sendmsg+0xee/0x170
[ 2035.490112][   T10]      __sys_sendmsg+0xcd/0x170
[ 2035.490112][   T10]      do_syscall_64+0xc6/0x1e0
[ 2035.490112][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2035.490112][   T10] 
[ 2035.492350][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2035.492350][   T10]      netdev_get_by_index+0x5e/0x80
[ 2035.492350][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2035.492350][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2035.492350][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2035.492350][   T10]      ipv6_add_addr+0x411/0x2000
[ 2035.492350][   T10]      inet6_addr_add+0x30e/0xa40
[ 2035.492350][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2035.492350][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2035.492350][   T10]      netlink_rcv_skb+0x130/0x360
[ 2035.492350][   T10]      netlink_unicast+0x449/0x710
[ 2035.492350][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2035.492350][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2035.492350][   T10]      ___sys_sendmsg+0xee/0x170
[ 2035.492350][   T10]      __sys_sendmsg+0xcd/0x170
[ 2035.492350][   T10]      do_syscall_64+0xc6/0x1e0
[ 2035.492350][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2035.492350][   T10] 
[ 2035.494516][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2035.494516][   T10]      netdev_get_by_index+0x5e/0x80
[ 2035.494516][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2035.494516][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2035.494516][   T10]      ip6_route_add+0x1c/0x140
[ 2035.494516][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2035.494516][   T10]      addrconf_add_dev+0xe2/0x170
[ 2035.494516][   T10]      inet6_addr_add+0x12f/0xa40
[ 2035.494516][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2035.494516][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2035.494516][   T10]      netlink_rcv_skb+0x130/0x360
[ 2035.494516][   T10]      netlink_unicast+0x449/0x710
[ 2035.494516][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2035.494516][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2035.494516][   T10]      ___sys_sendmsg+0xee/0x170
[ 2035.494516][   T10]      __sys_sendmsg+0xcd/0x170
[ 2035.494516][   T10]      do_syscall_64+0xc6/0x1e0
[ 2035.494516][   T10] 
[ 2035.496712][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2035.496712][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2035.496712][   T10]      ipv6_find_idev+0x102/0x170
[ 2035.496712][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2035.496712][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2035.496712][   T10]      netlink_rcv_skb+0x130/0x360
[ 2035.496712][   T10]      netlink_unicast+0x449/0x710
[ 2035.496712][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2035.496712][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2035.496712][   T10]      ___sys_sendmsg+0xee/0x170
[ 2035.496712][   T10]      __sys_sendmsg+0xcd/0x170
[ 2035.496712][   T10]      do_syscall_64+0xc6/0x1e0
[ 2035.496712][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2035.496712][   T10] 
[ 2035.498385][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2035.498385][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2035.498385][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2035.498385][   T10]      ipv6_find_idev+0x102/0x170
[ 2035.498385][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2035.498385][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2035.498385][   T10]      netlink_rcv_skb+0x130/0x360
[ 2035.498385][   T10]      netlink_unicast+0x449/0x710
[ 2035.498385][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2035.498385][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2035.498385][   T10]      ___sys_sendmsg+0xee/0x170
[ 2035.498385][   T10]      __sys_sendmsg+0xcd/0x170
[ 2035.498385][   T10]      do_syscall_64+0xc6/0x1e0
[ 2035.498385][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2035.498385][   T10] 
[ 2035.500253][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2035.500546][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2035.500546][   T10]      netdev_get_by_index+0x5e/0x80
[ 2035.500546][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2035.500546][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2035.500546][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2035.500546][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2035.500546][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2035.500546][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2035.500546][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2035.500546][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2035.500546][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2035.500546][   T10]      vfs_write+0x9e5/0x10a0
[ 2035.500546][   T10]      ksys_write+0xf5/0x1e0
[ 2035.500546][   T10]      do_syscall_64+0xc6/0x1e0
[ 2035.500546][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2035.500546][   T10] 
[ 2035.502626][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2035.502626][   T10]      netdev_get_by_index+0x5e/0x80
[ 2035.502626][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2035.502626][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2035.502626][   T10]      ip6_route_add+0x1c/0x140
[ 2035.502626][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2035.502626][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2035.502626][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2035.502626][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2035.502626][   T10]      netlink_rcv_skb+0x130/0x360
[ 2035.502626][   T10]      netlink_unicast+0x449/0x710
[ 2035.502626][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2035.502626][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2035.502626][   T10]      ___sys_sendmsg+0xee/0x170
[ 2035.502626][   T10]      __sys_sendmsg+0xcd/0x170
[ 2035.502626][   T10]      do_syscall_64+0xc6/0x1e0
[ 2035.502626][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2035.502626][   T10] 
[ 2035.504831][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2035.504831][   T10]      netdev_get_by_index+0x5e/0x80
[ 2035.504831][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2035.504831][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2035.504831][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2035.504831][   T10]      ipv6_add_addr+0x411/0x2000
[ 2035.504831][   T10]      inet6_addr_add+0x30e/0xa40
[ 2035.504831][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2035.504831][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2035.504831][   T10]      netlink_rcv_skb+0x130/0x360
[ 2035.504831][   T10]      netlink_unicast+0x449/0x710
[ 2035.504831][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2035.504831][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2035.504831][   T10]      ___sys_sendmsg+0xee/0x170
[ 2035.504831][   T10]      __sys_sendmsg+0xcd/0x170
[ 2035.504831][   T10]      do_syscall_64+0xc6/0x1e0
[ 2035.504831][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2035.504831][   T10] 
[ 2035.507089][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2035.507089][   T10]      netdev_get_by_index+0x5e/0x80
[ 2035.507089][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2035.507089][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2035.507089][   T10]      ip6_route_add+0x1c/0x140
[ 2035.507089][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2035.507089][   T10]      addrconf_add_dev+0xe2/0x170
[ 2035.507089][   T10]      inet6_addr_add+0x12f/0xa40
[ 2035.507089][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2035.507089][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2035.507089][   T10]      netlink_rcv_skb+0x130/0x360
[ 2035.507089][   T10]      netlink_unicast+0x449/0x710
[ 2035.507089][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2035.507089][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2035.507089][   T10]      ___sys_sendmsg+0xee/0x170
[ 2035.507089][   T10]      __sys_sendmsg+0xcd/0x170
[ 2035.507089][   T10]      do_syscall_64+0xc6/0x1e0
[ 2035.507089][   T10] 
[ 2035.509235][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2035.509235][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2035.509235][   T10]      ipv6_find_idev+0x102/0x170
[ 2035.509235][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2035.509235][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2035.509235][   T10]      netlink_rcv_skb+0x130/0x360
[ 2035.509235][   T10]      netlink_unicast+0x449/0x710
[ 2035.509235][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2035.509235][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2035.509235][   T10]      ___sys_sendmsg+0xee/0x170
[ 2035.509235][   T10]      __sys_sendmsg+0xcd/0x170
[ 2035.509235][   T10]      do_syscall_64+0xc6/0x1e0
[ 2035.509235][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2035.509235][   T10] 
[ 2035.510989][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2035.510989][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2035.510989][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2035.510989][   T10]      ipv6_find_idev+0x102/0x170
[ 2035.510989][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2035.510989][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2035.510989][   T10]      netlink_rcv_skb+0x130/0x360
[ 2035.510989][   T10]      netlink_unicast+0x449/0x710
[ 2035.510989][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2035.510989][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2035.510989][   T10]      ___sys_sendmsg+0xee/0x170
[ 2035.510989][   T10]      __sys_sendmsg+0xcd/0x170
[ 2035.510989][   T10]      do_syscall_64+0xc6/0x1e0
[ 2035.510989][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2035.510989][   T10] 
[ 2045.751808][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2045.752216][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2045.752216][   T10]      dst_init+0x84/0x4a0
[ 2045.752216][   T10]      dst_alloc+0x97/0x150
[ 2045.752216][   T10]      ip6_dst_alloc+0x23/0x90
[ 2045.752216][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2045.752216][   T10]      ip6_pol_route+0x56f/0x840
[ 2045.752216][   T10]      fib6_rule_lookup+0x456/0x630
[ 2045.752216][   T10]      ip6_route_input+0x59c/0xa50
[ 2045.752216][   T10]      ipv6_rcv+0x397/0x810
[ 2045.752216][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2045.752216][   T10]      process_backlog+0x101/0x620
[ 2045.752216][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2045.752216][   T10]      net_rx_action+0x495/0xbe0
[ 2045.752216][   T10]      __do_softirq+0x1b5/0x7f6
[ 2045.752216][   T10] 
[ 2045.754050][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2045.754050][   T10]      netdev_get_by_index+0x5e/0x80
[ 2045.754050][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2045.754050][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2045.754050][   T10]      ip6_route_add+0x1c/0x140
[ 2045.754050][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2045.754050][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2045.754050][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2045.754050][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2045.754050][   T10]      netlink_rcv_skb+0x130/0x360
[ 2045.754050][   T10]      netlink_unicast+0x449/0x710
[ 2045.754050][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2045.754050][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2045.754050][   T10]      ___sys_sendmsg+0xee/0x170
[ 2045.754050][   T10]      __sys_sendmsg+0xcd/0x170
[ 2045.754050][   T10]      do_syscall_64+0xc6/0x1e0
[ 2045.754050][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2045.754050][   T10] 
[ 2045.756305][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2045.756305][   T10]      netdev_get_by_index+0x5e/0x80
[ 2045.756305][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2045.756305][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2045.756305][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2045.756305][   T10]      ipv6_add_addr+0x411/0x2000
[ 2045.756305][   T10]      inet6_addr_add+0x30e/0xa40
[ 2045.756305][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2045.756305][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2045.756305][   T10]      netlink_rcv_skb+0x130/0x360
[ 2045.756305][   T10]      netlink_unicast+0x449/0x710
[ 2045.756305][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2045.756305][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2045.756305][   T10]      ___sys_sendmsg+0xee/0x170
[ 2045.756305][   T10]      __sys_sendmsg+0xcd/0x170
[ 2045.756305][   T10]      do_syscall_64+0xc6/0x1e0
[ 2045.756305][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2045.756305][   T10] 
[ 2045.758687][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2045.758687][   T10]      netdev_get_by_index+0x5e/0x80
[ 2045.758687][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2045.758687][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2045.758687][   T10]      ip6_route_add+0x1c/0x140
[ 2045.758687][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2045.758687][   T10]      addrconf_add_dev+0xe2/0x170
[ 2045.758687][   T10]      inet6_addr_add+0x12f/0xa40
[ 2045.758687][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2045.758687][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2045.758687][   T10]      netlink_rcv_skb+0x130/0x360
[ 2045.758687][   T10]      netlink_unicast+0x449/0x710
[ 2045.758687][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2045.758687][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2045.758687][   T10]      ___sys_sendmsg+0xee/0x170
[ 2045.758687][   T10]      __sys_sendmsg+0xcd/0x170
[ 2045.758687][   T10]      do_syscall_64+0xc6/0x1e0
[ 2045.758687][   T10] 
[ 2045.760901][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2045.760901][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2045.760901][   T10]      ipv6_find_idev+0x102/0x170
[ 2045.760901][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2045.760901][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2045.760901][   T10]      netlink_rcv_skb+0x130/0x360
[ 2045.760901][   T10]      netlink_unicast+0x449/0x710
[ 2045.760901][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2045.760901][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2045.760901][   T10]      ___sys_sendmsg+0xee/0x170
[ 2045.760901][   T10]      __sys_sendmsg+0xcd/0x170
[ 2045.760901][   T10]      do_syscall_64+0xc6/0x1e0
[ 2045.760901][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2045.760901][   T10] 
[ 2045.762603][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2045.762603][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2045.762603][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2045.762603][   T10]      ipv6_find_idev+0x102/0x170
[ 2045.762603][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2045.762603][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2045.762603][   T10]      netlink_rcv_skb+0x130/0x360
[ 2045.762603][   T10]      netlink_unicast+0x449/0x710
[ 2045.762603][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2045.762603][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2045.762603][   T10]      ___sys_sendmsg+0xee/0x170
[ 2045.762603][   T10]      __sys_sendmsg+0xcd/0x170
[ 2045.762603][   T10]      do_syscall_64+0xc6/0x1e0
[ 2045.762603][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2045.762603][   T10] 
[ 2045.764502][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2045.764807][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2045.764807][   T10]      netdev_get_by_index+0x5e/0x80
[ 2045.764807][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2045.764807][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2045.764807][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2045.764807][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2045.764807][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2045.764807][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2045.764807][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2045.764807][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2045.764807][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2045.764807][   T10]      vfs_write+0x9e5/0x10a0
[ 2045.764807][   T10]      ksys_write+0xf5/0x1e0
[ 2045.764807][   T10]      do_syscall_64+0xc6/0x1e0
[ 2045.764807][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2045.764807][   T10] 
[ 2045.766843][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2045.766843][   T10]      netdev_get_by_index+0x5e/0x80
[ 2045.766843][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2045.766843][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2045.766843][   T10]      ip6_route_add+0x1c/0x140
[ 2045.766843][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2045.766843][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2045.766843][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2045.766843][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2045.766843][   T10]      netlink_rcv_skb+0x130/0x360
[ 2045.766843][   T10]      netlink_unicast+0x449/0x710
[ 2045.766843][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2045.766843][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2045.766843][   T10]      ___sys_sendmsg+0xee/0x170
[ 2045.766843][   T10]      __sys_sendmsg+0xcd/0x170
[ 2045.766843][   T10]      do_syscall_64+0xc6/0x1e0
[ 2045.766843][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2045.766843][   T10] 
[ 2045.769085][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2045.769085][   T10]      netdev_get_by_index+0x5e/0x80
[ 2045.769085][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2045.769085][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2045.769085][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2045.769085][   T10]      ipv6_add_addr+0x411/0x2000
[ 2045.769085][   T10]      inet6_addr_add+0x30e/0xa40
[ 2045.769085][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2045.769085][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2045.769085][   T10]      netlink_rcv_skb+0x130/0x360
[ 2045.769085][   T10]      netlink_unicast+0x449/0x710
[ 2045.769085][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2045.769085][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2045.769085][   T10]      ___sys_sendmsg+0xee/0x170
[ 2045.769085][   T10]      __sys_sendmsg+0xcd/0x170
[ 2045.769085][   T10]      do_syscall_64+0xc6/0x1e0
[ 2045.769085][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2045.769085][   T10] 
[ 2045.771343][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2045.771343][   T10]      netdev_get_by_index+0x5e/0x80
[ 2045.771343][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2045.771343][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2045.771343][   T10]      ip6_route_add+0x1c/0x140
[ 2045.771343][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2045.771343][   T10]      addrconf_add_dev+0xe2/0x170
[ 2045.771343][   T10]      inet6_addr_add+0x12f/0xa40
[ 2045.771343][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2045.771343][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2045.771343][   T10]      netlink_rcv_skb+0x130/0x360
[ 2045.771343][   T10]      netlink_unicast+0x449/0x710
[ 2045.771343][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2045.771343][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2045.771343][   T10]      ___sys_sendmsg+0xee/0x170
[ 2045.771343][   T10]      __sys_sendmsg+0xcd/0x170
[ 2045.771343][   T10]      do_syscall_64+0xc6/0x1e0
[ 2045.771343][   T10] 
[ 2045.773574][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2045.773574][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2045.773574][   T10]      ipv6_find_idev+0x102/0x170
[ 2045.773574][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2045.773574][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2045.773574][   T10]      netlink_rcv_skb+0x130/0x360
[ 2045.773574][   T10]      netlink_unicast+0x449/0x710
[ 2045.773574][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2045.773574][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2045.773574][   T10]      ___sys_sendmsg+0xee/0x170
[ 2045.773574][   T10]      __sys_sendmsg+0xcd/0x170
[ 2045.773574][   T10]      do_syscall_64+0xc6/0x1e0
[ 2045.773574][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2045.773574][   T10] 
[ 2045.775335][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2045.775335][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2045.775335][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2045.775335][   T10]      ipv6_find_idev+0x102/0x170
[ 2045.775335][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2045.775335][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2045.775335][   T10]      netlink_rcv_skb+0x130/0x360
[ 2045.775335][   T10]      netlink_unicast+0x449/0x710
[ 2045.775335][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2045.775335][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2045.775335][   T10]      ___sys_sendmsg+0xee/0x170
[ 2045.775335][   T10]      __sys_sendmsg+0xcd/0x170
[ 2045.775335][   T10]      do_syscall_64+0xc6/0x1e0
[ 2045.775335][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2045.775335][   T10] 
[ 2056.015894][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2056.016474][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2056.016474][   T10]      dst_init+0x84/0x4a0
[ 2056.016474][   T10]      dst_alloc+0x97/0x150
[ 2056.016474][   T10]      ip6_dst_alloc+0x23/0x90
[ 2056.016474][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2056.016474][   T10]      ip6_pol_route+0x56f/0x840
[ 2056.016474][   T10]      fib6_rule_lookup+0x456/0x630
[ 2056.016474][   T10]      ip6_route_input+0x59c/0xa50
[ 2056.016474][   T10]      ipv6_rcv+0x397/0x810
[ 2056.016474][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2056.016474][   T10]      process_backlog+0x101/0x620
[ 2056.016474][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2056.016474][   T10]      net_rx_action+0x495/0xbe0
[ 2056.016474][   T10]      __do_softirq+0x1b5/0x7f6
[ 2056.016474][   T10] 
[ 2056.018218][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2056.018218][   T10]      netdev_get_by_index+0x5e/0x80
[ 2056.018218][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2056.018218][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2056.018218][   T10]      ip6_route_add+0x1c/0x140
[ 2056.018218][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2056.018218][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2056.018218][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2056.018218][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2056.018218][   T10]      netlink_rcv_skb+0x130/0x360
[ 2056.018218][   T10]      netlink_unicast+0x449/0x710
[ 2056.018218][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2056.018218][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2056.018218][   T10]      ___sys_sendmsg+0xee/0x170
[ 2056.018218][   T10]      __sys_sendmsg+0xcd/0x170
[ 2056.018218][   T10]      do_syscall_64+0xc6/0x1e0
[ 2056.018218][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2056.018218][   T10] 
[ 2056.020402][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2056.020402][   T10]      netdev_get_by_index+0x5e/0x80
[ 2056.020402][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2056.020402][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2056.020402][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2056.020402][   T10]      ipv6_add_addr+0x411/0x2000
[ 2056.020402][   T10]      inet6_addr_add+0x30e/0xa40
[ 2056.020402][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2056.020402][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2056.020402][   T10]      netlink_rcv_skb+0x130/0x360
[ 2056.020402][   T10]      netlink_unicast+0x449/0x710
[ 2056.020402][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2056.020402][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2056.020402][   T10]      ___sys_sendmsg+0xee/0x170
[ 2056.020402][   T10]      __sys_sendmsg+0xcd/0x170
[ 2056.020402][   T10]      do_syscall_64+0xc6/0x1e0
[ 2056.020402][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2056.020402][   T10] 
[ 2056.022627][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2056.022627][   T10]      netdev_get_by_index+0x5e/0x80
[ 2056.022627][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2056.022627][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2056.022627][   T10]      ip6_route_add+0x1c/0x140
[ 2056.022627][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2056.022627][   T10]      addrconf_add_dev+0xe2/0x170
[ 2056.022627][   T10]      inet6_addr_add+0x12f/0xa40
[ 2056.022627][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2056.022627][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2056.022627][   T10]      netlink_rcv_skb+0x130/0x360
[ 2056.022627][   T10]      netlink_unicast+0x449/0x710
[ 2056.022627][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2056.022627][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2056.022627][   T10]      ___sys_sendmsg+0xee/0x170
[ 2056.022627][   T10]      __sys_sendmsg+0xcd/0x170
[ 2056.022627][   T10]      do_syscall_64+0xc6/0x1e0
[ 2056.022627][   T10] 
[ 2056.024770][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2056.024770][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2056.024770][   T10]      ipv6_find_idev+0x102/0x170
[ 2056.024770][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2056.024770][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2056.024770][   T10]      netlink_rcv_skb+0x130/0x360
[ 2056.024770][   T10]      netlink_unicast+0x449/0x710
[ 2056.024770][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2056.024770][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2056.024770][   T10]      ___sys_sendmsg+0xee/0x170
[ 2056.024770][   T10]      __sys_sendmsg+0xcd/0x170
[ 2056.024770][   T10]      do_syscall_64+0xc6/0x1e0
[ 2056.024770][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2056.024770][   T10] 
[ 2056.026489][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2056.026489][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2056.026489][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2056.026489][   T10]      ipv6_find_idev+0x102/0x170
[ 2056.026489][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2056.026489][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2056.026489][   T10]      netlink_rcv_skb+0x130/0x360
[ 2056.026489][   T10]      netlink_unicast+0x449/0x710
[ 2056.026489][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2056.026489][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2056.026489][   T10]      ___sys_sendmsg+0xee/0x170
[ 2056.026489][   T10]      __sys_sendmsg+0xcd/0x170
[ 2056.026489][   T10]      do_syscall_64+0xc6/0x1e0
[ 2056.026489][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2056.026489][   T10] 
[ 2056.028282][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2056.028557][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2056.028557][   T10]      netdev_get_by_index+0x5e/0x80
[ 2056.028557][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2056.028557][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2056.028557][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2056.028557][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2056.028557][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2056.028557][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2056.028557][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2056.028557][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2056.028557][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2056.028557][   T10]      vfs_write+0x9e5/0x10a0
[ 2056.028557][   T10]      ksys_write+0xf5/0x1e0
[ 2056.028557][   T10]      do_syscall_64+0xc6/0x1e0
[ 2056.028557][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2056.028557][   T10] 
[ 2056.030551][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2056.030551][   T10]      netdev_get_by_index+0x5e/0x80
[ 2056.030551][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2056.030551][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2056.030551][   T10]      ip6_route_add+0x1c/0x140
[ 2056.030551][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2056.030551][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2056.030551][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2056.030551][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2056.030551][   T10]      netlink_rcv_skb+0x130/0x360
[ 2056.030551][   T10]      netlink_unicast+0x449/0x710
[ 2056.030551][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2056.030551][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2056.030551][   T10]      ___sys_sendmsg+0xee/0x170
[ 2056.030551][   T10]      __sys_sendmsg+0xcd/0x170
[ 2056.030551][   T10]      do_syscall_64+0xc6/0x1e0
[ 2056.030551][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2056.030551][   T10] 
[ 2056.032744][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2056.032744][   T10]      netdev_get_by_index+0x5e/0x80
[ 2056.032744][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2056.032744][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2056.032744][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2056.032744][   T10]      ipv6_add_addr+0x411/0x2000
[ 2056.032744][   T10]      inet6_addr_add+0x30e/0xa40
[ 2056.032744][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2056.032744][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2056.032744][   T10]      netlink_rcv_skb+0x130/0x360
[ 2056.032744][   T10]      netlink_unicast+0x449/0x710
[ 2056.032744][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2056.032744][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2056.032744][   T10]      ___sys_sendmsg+0xee/0x170
[ 2056.032744][   T10]      __sys_sendmsg+0xcd/0x170
[ 2056.032744][   T10]      do_syscall_64+0xc6/0x1e0
[ 2056.032744][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2056.032744][   T10] 
[ 2056.034960][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2056.034960][   T10]      netdev_get_by_index+0x5e/0x80
[ 2056.034960][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2056.034960][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2056.034960][   T10]      ip6_route_add+0x1c/0x140
[ 2056.034960][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2056.034960][   T10]      addrconf_add_dev+0xe2/0x170
[ 2056.034960][   T10]      inet6_addr_add+0x12f/0xa40
[ 2056.034960][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2056.034960][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2056.034960][   T10]      netlink_rcv_skb+0x130/0x360
[ 2056.034960][   T10]      netlink_unicast+0x449/0x710
[ 2056.034960][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2056.034960][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2056.034960][   T10]      ___sys_sendmsg+0xee/0x170
[ 2056.034960][   T10]      __sys_sendmsg+0xcd/0x170
[ 2056.034960][   T10]      do_syscall_64+0xc6/0x1e0
[ 2056.034960][   T10] 
[ 2056.037120][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2056.037120][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2056.037120][   T10]      ipv6_find_idev+0x102/0x170
[ 2056.037120][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2056.037120][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2056.037120][   T10]      netlink_rcv_skb+0x130/0x360
[ 2056.037120][   T10]      netlink_unicast+0x449/0x710
[ 2056.037120][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2056.037120][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2056.037120][   T10]      ___sys_sendmsg+0xee/0x170
[ 2056.037120][   T10]      __sys_sendmsg+0xcd/0x170
[ 2056.037120][   T10]      do_syscall_64+0xc6/0x1e0
[ 2056.037120][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2056.037120][   T10] 
[ 2056.038885][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2056.038885][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2056.038885][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2056.038885][   T10]      ipv6_find_idev+0x102/0x170
[ 2056.038885][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2056.038885][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2056.038885][   T10]      netlink_rcv_skb+0x130/0x360
[ 2056.038885][   T10]      netlink_unicast+0x449/0x710
[ 2056.038885][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2056.038885][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2056.038885][   T10]      ___sys_sendmsg+0xee/0x170
[ 2056.038885][   T10]      __sys_sendmsg+0xcd/0x170
[ 2056.038885][   T10]      do_syscall_64+0xc6/0x1e0
[ 2056.038885][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2056.038885][   T10] 
[ 2066.103892][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2066.104462][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2066.104462][   T10]      dst_init+0x84/0x4a0
[ 2066.104462][   T10]      dst_alloc+0x97/0x150
[ 2066.104462][   T10]      ip6_dst_alloc+0x23/0x90
[ 2066.104462][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2066.104462][   T10]      ip6_pol_route+0x56f/0x840
[ 2066.104462][   T10]      fib6_rule_lookup+0x456/0x630
[ 2066.104462][   T10]      ip6_route_input+0x59c/0xa50
[ 2066.104462][   T10]      ipv6_rcv+0x397/0x810
[ 2066.104462][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2066.104462][   T10]      process_backlog+0x101/0x620
[ 2066.104462][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2066.104462][   T10]      net_rx_action+0x495/0xbe0
[ 2066.104462][   T10]      __do_softirq+0x1b5/0x7f6
[ 2066.104462][   T10] 
[ 2066.106262][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2066.106262][   T10]      netdev_get_by_index+0x5e/0x80
[ 2066.106262][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2066.106262][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2066.106262][   T10]      ip6_route_add+0x1c/0x140
[ 2066.106262][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2066.106262][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2066.106262][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2066.106262][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2066.106262][   T10]      netlink_rcv_skb+0x130/0x360
[ 2066.106262][   T10]      netlink_unicast+0x449/0x710
[ 2066.106262][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2066.106262][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2066.106262][   T10]      ___sys_sendmsg+0xee/0x170
[ 2066.106262][   T10]      __sys_sendmsg+0xcd/0x170
[ 2066.106262][   T10]      do_syscall_64+0xc6/0x1e0
[ 2066.106262][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2066.106262][   T10] 
[ 2066.108417][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2066.108417][   T10]      netdev_get_by_index+0x5e/0x80
[ 2066.108417][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2066.108417][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2066.108417][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2066.108417][   T10]      ipv6_add_addr+0x411/0x2000
[ 2066.108417][   T10]      inet6_addr_add+0x30e/0xa40
[ 2066.108417][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2066.108417][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2066.108417][   T10]      netlink_rcv_skb+0x130/0x360
[ 2066.108417][   T10]      netlink_unicast+0x449/0x710
[ 2066.108417][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2066.108417][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2066.108417][   T10]      ___sys_sendmsg+0xee/0x170
[ 2066.108417][   T10]      __sys_sendmsg+0xcd/0x170
[ 2066.108417][   T10]      do_syscall_64+0xc6/0x1e0
[ 2066.108417][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2066.108417][   T10] 
[ 2066.110544][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2066.110544][   T10]      netdev_get_by_index+0x5e/0x80
[ 2066.110544][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2066.110544][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2066.110544][   T10]      ip6_route_add+0x1c/0x140
[ 2066.110544][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2066.110544][   T10]      addrconf_add_dev+0xe2/0x170
[ 2066.110544][   T10]      inet6_addr_add+0x12f/0xa40
[ 2066.110544][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2066.110544][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2066.110544][   T10]      netlink_rcv_skb+0x130/0x360
[ 2066.110544][   T10]      netlink_unicast+0x449/0x710
[ 2066.110544][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2066.110544][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2066.110544][   T10]      ___sys_sendmsg+0xee/0x170
[ 2066.110544][   T10]      __sys_sendmsg+0xcd/0x170
[ 2066.110544][   T10]      do_syscall_64+0xc6/0x1e0
[ 2066.110544][   T10] 
[ 2066.112630][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2066.112630][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2066.112630][   T10]      ipv6_find_idev+0x102/0x170
[ 2066.112630][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2066.112630][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2066.112630][   T10]      netlink_rcv_skb+0x130/0x360
[ 2066.112630][   T10]      netlink_unicast+0x449/0x710
[ 2066.112630][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2066.112630][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2066.112630][   T10]      ___sys_sendmsg+0xee/0x170
[ 2066.112630][   T10]      __sys_sendmsg+0xcd/0x170
[ 2066.112630][   T10]      do_syscall_64+0xc6/0x1e0
[ 2066.112630][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2066.112630][   T10] 
[ 2066.114327][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2066.114327][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2066.114327][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2066.114327][   T10]      ipv6_find_idev+0x102/0x170
[ 2066.114327][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2066.114327][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2066.114327][   T10]      netlink_rcv_skb+0x130/0x360
[ 2066.114327][   T10]      netlink_unicast+0x449/0x710
[ 2066.114327][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2066.114327][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2066.114327][   T10]      ___sys_sendmsg+0xee/0x170
[ 2066.114327][   T10]      __sys_sendmsg+0xcd/0x170
[ 2066.114327][   T10]      do_syscall_64+0xc6/0x1e0
[ 2066.114327][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2066.114327][   T10] 
[ 2066.116208][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2066.116475][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2066.116475][   T10]      netdev_get_by_index+0x5e/0x80
[ 2066.116475][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2066.116475][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2066.116475][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2066.116475][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2066.116475][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2066.116475][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2066.116475][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2066.116475][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2066.116475][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2066.116475][   T10]      vfs_write+0x9e5/0x10a0
[ 2066.116475][   T10]      ksys_write+0xf5/0x1e0
[ 2066.116475][   T10]      do_syscall_64+0xc6/0x1e0
[ 2066.116475][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2066.116475][   T10] 
[ 2066.118519][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2066.118519][   T10]      netdev_get_by_index+0x5e/0x80
[ 2066.118519][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2066.118519][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2066.118519][   T10]      ip6_route_add+0x1c/0x140
[ 2066.118519][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2066.118519][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2066.118519][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2066.118519][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2066.118519][   T10]      netlink_rcv_skb+0x130/0x360
[ 2066.118519][   T10]      netlink_unicast+0x449/0x710
[ 2066.118519][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2066.118519][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2066.118519][   T10]      ___sys_sendmsg+0xee/0x170
[ 2066.118519][   T10]      __sys_sendmsg+0xcd/0x170
[ 2066.118519][   T10]      do_syscall_64+0xc6/0x1e0
[ 2066.118519][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2066.118519][   T10] 
[ 2066.120754][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2066.120754][   T10]      netdev_get_by_index+0x5e/0x80
[ 2066.120754][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2066.120754][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2066.120754][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2066.120754][   T10]      ipv6_add_addr+0x411/0x2000
[ 2066.120754][   T10]      inet6_addr_add+0x30e/0xa40
[ 2066.120754][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2066.120754][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2066.120754][   T10]      netlink_rcv_skb+0x130/0x360
[ 2066.120754][   T10]      netlink_unicast+0x449/0x710
[ 2066.120754][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2066.120754][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2066.120754][   T10]      ___sys_sendmsg+0xee/0x170
[ 2066.120754][   T10]      __sys_sendmsg+0xcd/0x170
[ 2066.120754][   T10]      do_syscall_64+0xc6/0x1e0
[ 2066.120754][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2066.120754][   T10] 
[ 2066.122961][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2066.122961][   T10]      netdev_get_by_index+0x5e/0x80
[ 2066.122961][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2066.122961][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2066.122961][   T10]      ip6_route_add+0x1c/0x140
[ 2066.122961][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2066.122961][   T10]      addrconf_add_dev+0xe2/0x170
[ 2066.122961][   T10]      inet6_addr_add+0x12f/0xa40
[ 2066.122961][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2066.122961][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2066.122961][   T10]      netlink_rcv_skb+0x130/0x360
[ 2066.122961][   T10]      netlink_unicast+0x449/0x710
[ 2066.122961][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2066.122961][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2066.122961][   T10]      ___sys_sendmsg+0xee/0x170
[ 2066.122961][   T10]      __sys_sendmsg+0xcd/0x170
[ 2066.122961][   T10]      do_syscall_64+0xc6/0x1e0
[ 2066.122961][   T10] 
[ 2066.125152][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2066.125152][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2066.125152][   T10]      ipv6_find_idev+0x102/0x170
[ 2066.125152][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2066.125152][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2066.125152][   T10]      netlink_rcv_skb+0x130/0x360
[ 2066.125152][   T10]      netlink_unicast+0x449/0x710
[ 2066.125152][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2066.125152][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2066.125152][   T10]      ___sys_sendmsg+0xee/0x170
[ 2066.125152][   T10]      __sys_sendmsg+0xcd/0x170
[ 2066.125152][   T10]      do_syscall_64+0xc6/0x1e0
[ 2066.125152][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2066.125152][   T10] 
[ 2066.126868][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2066.126868][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2066.126868][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2066.126868][   T10]      ipv6_find_idev+0x102/0x170
[ 2066.126868][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2066.126868][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2066.126868][   T10]      netlink_rcv_skb+0x130/0x360
[ 2066.126868][   T10]      netlink_unicast+0x449/0x710
[ 2066.126868][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2066.126868][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2066.126868][   T10]      ___sys_sendmsg+0xee/0x170
[ 2066.126868][   T10]      __sys_sendmsg+0xcd/0x170
[ 2066.126868][   T10]      do_syscall_64+0xc6/0x1e0
[ 2066.126868][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2066.126868][   T10] 
[ 2076.367945][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2076.368437][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2076.368437][   T10]      dst_init+0x84/0x4a0
[ 2076.368437][   T10]      dst_alloc+0x97/0x150
[ 2076.368437][   T10]      ip6_dst_alloc+0x23/0x90
[ 2076.368437][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2076.368437][   T10]      ip6_pol_route+0x56f/0x840
[ 2076.368437][   T10]      fib6_rule_lookup+0x456/0x630
[ 2076.368437][   T10]      ip6_route_input+0x59c/0xa50
[ 2076.368437][   T10]      ipv6_rcv+0x397/0x810
[ 2076.368437][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2076.368437][   T10]      process_backlog+0x101/0x620
[ 2076.368437][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2076.368437][   T10]      net_rx_action+0x495/0xbe0
[ 2076.368437][   T10]      __do_softirq+0x1b5/0x7f6
[ 2076.368437][   T10] 
[ 2076.370300][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2076.370300][   T10]      netdev_get_by_index+0x5e/0x80
[ 2076.370300][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2076.370300][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2076.370300][   T10]      ip6_route_add+0x1c/0x140
[ 2076.370300][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2076.370300][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2076.370300][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2076.370300][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2076.370300][   T10]      netlink_rcv_skb+0x130/0x360
[ 2076.370300][   T10]      netlink_unicast+0x449/0x710
[ 2076.370300][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2076.370300][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2076.370300][   T10]      ___sys_sendmsg+0xee/0x170
[ 2076.370300][   T10]      __sys_sendmsg+0xcd/0x170
[ 2076.370300][   T10]      do_syscall_64+0xc6/0x1e0
[ 2076.370300][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2076.370300][   T10] 
[ 2076.372466][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2076.372466][   T10]      netdev_get_by_index+0x5e/0x80
[ 2076.372466][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2076.372466][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2076.372466][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2076.372466][   T10]      ipv6_add_addr+0x411/0x2000
[ 2076.372466][   T10]      inet6_addr_add+0x30e/0xa40
[ 2076.372466][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2076.372466][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2076.372466][   T10]      netlink_rcv_skb+0x130/0x360
[ 2076.372466][   T10]      netlink_unicast+0x449/0x710
[ 2076.372466][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2076.372466][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2076.372466][   T10]      ___sys_sendmsg+0xee/0x170
[ 2076.372466][   T10]      __sys_sendmsg+0xcd/0x170
[ 2076.372466][   T10]      do_syscall_64+0xc6/0x1e0
[ 2076.372466][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2076.372466][   T10] 
[ 2076.374621][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2076.374621][   T10]      netdev_get_by_index+0x5e/0x80
[ 2076.374621][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2076.374621][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2076.374621][   T10]      ip6_route_add+0x1c/0x140
[ 2076.374621][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2076.374621][   T10]      addrconf_add_dev+0xe2/0x170
[ 2076.374621][   T10]      inet6_addr_add+0x12f/0xa40
[ 2076.374621][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2076.374621][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2076.374621][   T10]      netlink_rcv_skb+0x130/0x360
[ 2076.374621][   T10]      netlink_unicast+0x449/0x710
[ 2076.374621][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2076.374621][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2076.374621][   T10]      ___sys_sendmsg+0xee/0x170
[ 2076.374621][   T10]      __sys_sendmsg+0xcd/0x170
[ 2076.374621][   T10]      do_syscall_64+0xc6/0x1e0
[ 2076.374621][   T10] 
[ 2076.376822][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2076.376822][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2076.376822][   T10]      ipv6_find_idev+0x102/0x170
[ 2076.376822][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2076.376822][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2076.376822][   T10]      netlink_rcv_skb+0x130/0x360
[ 2076.376822][   T10]      netlink_unicast+0x449/0x710
[ 2076.376822][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2076.376822][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2076.376822][   T10]      ___sys_sendmsg+0xee/0x170
[ 2076.376822][   T10]      __sys_sendmsg+0xcd/0x170
[ 2076.376822][   T10]      do_syscall_64+0xc6/0x1e0
[ 2076.376822][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2076.376822][   T10] 
[ 2076.378555][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2076.378555][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2076.378555][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2076.378555][   T10]      ipv6_find_idev+0x102/0x170
[ 2076.378555][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2076.378555][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2076.378555][   T10]      netlink_rcv_skb+0x130/0x360
[ 2076.378555][   T10]      netlink_unicast+0x449/0x710
[ 2076.378555][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2076.378555][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2076.378555][   T10]      ___sys_sendmsg+0xee/0x170
[ 2076.378555][   T10]      __sys_sendmsg+0xcd/0x170
[ 2076.378555][   T10]      do_syscall_64+0xc6/0x1e0
[ 2076.378555][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2076.378555][   T10] 
[ 2076.380400][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2076.380690][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2076.380690][   T10]      netdev_get_by_index+0x5e/0x80
[ 2076.380690][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2076.380690][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2076.380690][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2076.380690][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2076.380690][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2076.380690][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2076.380690][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2076.380690][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2076.380690][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2076.380690][   T10]      vfs_write+0x9e5/0x10a0
[ 2076.380690][   T10]      ksys_write+0xf5/0x1e0
[ 2076.380690][   T10]      do_syscall_64+0xc6/0x1e0
[ 2076.380690][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2076.380690][   T10] 
[ 2076.382751][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2076.382751][   T10]      netdev_get_by_index+0x5e/0x80
[ 2076.382751][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2076.382751][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2076.382751][   T10]      ip6_route_add+0x1c/0x140
[ 2076.382751][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2076.382751][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2076.382751][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2076.382751][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2076.382751][   T10]      netlink_rcv_skb+0x130/0x360
[ 2076.382751][   T10]      netlink_unicast+0x449/0x710
[ 2076.382751][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2076.382751][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2076.382751][   T10]      ___sys_sendmsg+0xee/0x170
[ 2076.382751][   T10]      __sys_sendmsg+0xcd/0x170
[ 2076.382751][   T10]      do_syscall_64+0xc6/0x1e0
[ 2076.382751][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2076.382751][   T10] 
[ 2076.384998][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2076.384998][   T10]      netdev_get_by_index+0x5e/0x80
[ 2076.384998][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2076.384998][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2076.384998][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2076.384998][   T10]      ipv6_add_addr+0x411/0x2000
[ 2076.384998][   T10]      inet6_addr_add+0x30e/0xa40
[ 2076.384998][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2076.384998][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2076.384998][   T10]      netlink_rcv_skb+0x130/0x360
[ 2076.384998][   T10]      netlink_unicast+0x449/0x710
[ 2076.384998][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2076.384998][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2076.384998][   T10]      ___sys_sendmsg+0xee/0x170
[ 2076.384998][   T10]      __sys_sendmsg+0xcd/0x170
[ 2076.384998][   T10]      do_syscall_64+0xc6/0x1e0
[ 2076.384998][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2076.384998][   T10] 
[ 2076.387277][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2076.387277][   T10]      netdev_get_by_index+0x5e/0x80
[ 2076.387277][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2076.387277][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2076.387277][   T10]      ip6_route_add+0x1c/0x140
[ 2076.387277][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2076.387277][   T10]      addrconf_add_dev+0xe2/0x170
[ 2076.387277][   T10]      inet6_addr_add+0x12f/0xa40
[ 2076.387277][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2076.387277][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2076.387277][   T10]      netlink_rcv_skb+0x130/0x360
[ 2076.387277][   T10]      netlink_unicast+0x449/0x710
[ 2076.387277][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2076.387277][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2076.387277][   T10]      ___sys_sendmsg+0xee/0x170
[ 2076.387277][   T10]      __sys_sendmsg+0xcd/0x170
[ 2076.387277][   T10]      do_syscall_64+0xc6/0x1e0
[ 2076.387277][   T10] 
[ 2076.389431][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2076.389431][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2076.389431][   T10]      ipv6_find_idev+0x102/0x170
[ 2076.389431][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2076.389431][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2076.389431][   T10]      netlink_rcv_skb+0x130/0x360
[ 2076.389431][   T10]      netlink_unicast+0x449/0x710
[ 2076.389431][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2076.389431][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2076.389431][   T10]      ___sys_sendmsg+0xee/0x170
[ 2076.389431][   T10]      __sys_sendmsg+0xcd/0x170
[ 2076.389431][   T10]      do_syscall_64+0xc6/0x1e0
[ 2076.389431][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2076.389431][   T10] 
[ 2076.391123][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2076.391123][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2076.391123][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2076.391123][   T10]      ipv6_find_idev+0x102/0x170
[ 2076.391123][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2076.391123][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2076.391123][   T10]      netlink_rcv_skb+0x130/0x360
[ 2076.391123][   T10]      netlink_unicast+0x449/0x710
[ 2076.391123][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2076.391123][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2076.391123][   T10]      ___sys_sendmsg+0xee/0x170
[ 2076.391123][   T10]      __sys_sendmsg+0xcd/0x170
[ 2076.391123][   T10]      do_syscall_64+0xc6/0x1e0
[ 2076.391123][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2076.391123][   T10] 
[ 2086.631926][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2086.632375][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2086.632375][   T10]      dst_init+0x84/0x4a0
[ 2086.632375][   T10]      dst_alloc+0x97/0x150
[ 2086.632375][   T10]      ip6_dst_alloc+0x23/0x90
[ 2086.632375][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2086.632375][   T10]      ip6_pol_route+0x56f/0x840
[ 2086.632375][   T10]      fib6_rule_lookup+0x456/0x630
[ 2086.632375][   T10]      ip6_route_input+0x59c/0xa50
[ 2086.632375][   T10]      ipv6_rcv+0x397/0x810
[ 2086.632375][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2086.632375][   T10]      process_backlog+0x101/0x620
[ 2086.632375][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2086.632375][   T10]      net_rx_action+0x495/0xbe0
[ 2086.632375][   T10]      __do_softirq+0x1b5/0x7f6
[ 2086.632375][   T10] 
[ 2086.634212][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2086.634212][   T10]      netdev_get_by_index+0x5e/0x80
[ 2086.634212][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2086.634212][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2086.634212][   T10]      ip6_route_add+0x1c/0x140
[ 2086.634212][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2086.634212][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2086.634212][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2086.634212][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2086.634212][   T10]      netlink_rcv_skb+0x130/0x360
[ 2086.634212][   T10]      netlink_unicast+0x449/0x710
[ 2086.634212][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2086.634212][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2086.634212][   T10]      ___sys_sendmsg+0xee/0x170
[ 2086.634212][   T10]      __sys_sendmsg+0xcd/0x170
[ 2086.634212][   T10]      do_syscall_64+0xc6/0x1e0
[ 2086.634212][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2086.634212][   T10] 
[ 2086.636477][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2086.636477][   T10]      netdev_get_by_index+0x5e/0x80
[ 2086.636477][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2086.636477][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2086.636477][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2086.636477][   T10]      ipv6_add_addr+0x411/0x2000
[ 2086.636477][   T10]      inet6_addr_add+0x30e/0xa40
[ 2086.636477][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2086.636477][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2086.636477][   T10]      netlink_rcv_skb+0x130/0x360
[ 2086.636477][   T10]      netlink_unicast+0x449/0x710
[ 2086.636477][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2086.636477][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2086.636477][   T10]      ___sys_sendmsg+0xee/0x170
[ 2086.636477][   T10]      __sys_sendmsg+0xcd/0x170
[ 2086.636477][   T10]      do_syscall_64+0xc6/0x1e0
[ 2086.636477][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2086.636477][   T10] 
[ 2086.638663][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2086.638663][   T10]      netdev_get_by_index+0x5e/0x80
[ 2086.638663][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2086.638663][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2086.638663][   T10]      ip6_route_add+0x1c/0x140
[ 2086.638663][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2086.638663][   T10]      addrconf_add_dev+0xe2/0x170
[ 2086.638663][   T10]      inet6_addr_add+0x12f/0xa40
[ 2086.638663][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2086.638663][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2086.638663][   T10]      netlink_rcv_skb+0x130/0x360
[ 2086.638663][   T10]      netlink_unicast+0x449/0x710
[ 2086.638663][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2086.638663][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2086.638663][   T10]      ___sys_sendmsg+0xee/0x170
[ 2086.638663][   T10]      __sys_sendmsg+0xcd/0x170
[ 2086.638663][   T10]      do_syscall_64+0xc6/0x1e0
[ 2086.638663][   T10] 
[ 2086.640849][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2086.640849][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2086.640849][   T10]      ipv6_find_idev+0x102/0x170
[ 2086.640849][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2086.640849][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2086.640849][   T10]      netlink_rcv_skb+0x130/0x360
[ 2086.640849][   T10]      netlink_unicast+0x449/0x710
[ 2086.640849][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2086.640849][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2086.640849][   T10]      ___sys_sendmsg+0xee/0x170
[ 2086.640849][   T10]      __sys_sendmsg+0xcd/0x170
[ 2086.640849][   T10]      do_syscall_64+0xc6/0x1e0
[ 2086.640849][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2086.640849][   T10] 
[ 2086.642544][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2086.642544][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2086.642544][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2086.642544][   T10]      ipv6_find_idev+0x102/0x170
[ 2086.642544][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2086.642544][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2086.642544][   T10]      netlink_rcv_skb+0x130/0x360
[ 2086.642544][   T10]      netlink_unicast+0x449/0x710
[ 2086.642544][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2086.642544][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2086.642544][   T10]      ___sys_sendmsg+0xee/0x170
[ 2086.642544][   T10]      __sys_sendmsg+0xcd/0x170
[ 2086.642544][   T10]      do_syscall_64+0xc6/0x1e0
[ 2086.642544][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2086.642544][   T10] 
[ 2086.644379][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2086.644629][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2086.644629][   T10]      netdev_get_by_index+0x5e/0x80
[ 2086.644629][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2086.644629][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2086.644629][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2086.644629][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2086.644629][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2086.644629][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2086.644629][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2086.644629][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2086.644629][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2086.644629][   T10]      vfs_write+0x9e5/0x10a0
[ 2086.644629][   T10]      ksys_write+0xf5/0x1e0
[ 2086.644629][   T10]      do_syscall_64+0xc6/0x1e0
[ 2086.644629][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2086.644629][   T10] 
[ 2086.646674][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2086.646674][   T10]      netdev_get_by_index+0x5e/0x80
[ 2086.646674][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2086.646674][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2086.646674][   T10]      ip6_route_add+0x1c/0x140
[ 2086.646674][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2086.646674][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2086.646674][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2086.646674][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2086.646674][   T10]      netlink_rcv_skb+0x130/0x360
[ 2086.646674][   T10]      netlink_unicast+0x449/0x710
[ 2086.646674][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2086.646674][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2086.646674][   T10]      ___sys_sendmsg+0xee/0x170
[ 2086.646674][   T10]      __sys_sendmsg+0xcd/0x170
[ 2086.646674][   T10]      do_syscall_64+0xc6/0x1e0
[ 2086.646674][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2086.646674][   T10] 
[ 2086.648836][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2086.648836][   T10]      netdev_get_by_index+0x5e/0x80
[ 2086.648836][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2086.648836][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2086.648836][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2086.648836][   T10]      ipv6_add_addr+0x411/0x2000
[ 2086.648836][   T10]      inet6_addr_add+0x30e/0xa40
[ 2086.648836][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2086.648836][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2086.648836][   T10]      netlink_rcv_skb+0x130/0x360
[ 2086.648836][   T10]      netlink_unicast+0x449/0x710
[ 2086.648836][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2086.648836][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2086.648836][   T10]      ___sys_sendmsg+0xee/0x170
[ 2086.648836][   T10]      __sys_sendmsg+0xcd/0x170
[ 2086.648836][   T10]      do_syscall_64+0xc6/0x1e0
[ 2086.648836][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2086.648836][   T10] 
[ 2086.650992][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2086.650992][   T10]      netdev_get_by_index+0x5e/0x80
[ 2086.650992][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2086.650992][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2086.650992][   T10]      ip6_route_add+0x1c/0x140
[ 2086.650992][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2086.650992][   T10]      addrconf_add_dev+0xe2/0x170
[ 2086.650992][   T10]      inet6_addr_add+0x12f/0xa40
[ 2086.650992][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2086.650992][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2086.650992][   T10]      netlink_rcv_skb+0x130/0x360
[ 2086.650992][   T10]      netlink_unicast+0x449/0x710
[ 2086.650992][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2086.650992][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2086.650992][   T10]      ___sys_sendmsg+0xee/0x170
[ 2086.650992][   T10]      __sys_sendmsg+0xcd/0x170
[ 2086.650992][   T10]      do_syscall_64+0xc6/0x1e0
[ 2086.650992][   T10] 
[ 2086.653204][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2086.653204][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2086.653204][   T10]      ipv6_find_idev+0x102/0x170
[ 2086.653204][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2086.653204][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2086.653204][   T10]      netlink_rcv_skb+0x130/0x360
[ 2086.653204][   T10]      netlink_unicast+0x449/0x710
[ 2086.653204][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2086.653204][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2086.653204][   T10]      ___sys_sendmsg+0xee/0x170
[ 2086.653204][   T10]      __sys_sendmsg+0xcd/0x170
[ 2086.653204][   T10]      do_syscall_64+0xc6/0x1e0
[ 2086.653204][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2086.653204][   T10] 
[ 2086.654927][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2086.654927][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2086.654927][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2086.654927][   T10]      ipv6_find_idev+0x102/0x170
[ 2086.654927][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2086.654927][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2086.654927][   T10]      netlink_rcv_skb+0x130/0x360
[ 2086.654927][   T10]      netlink_unicast+0x449/0x710
[ 2086.654927][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2086.654927][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2086.654927][   T10]      ___sys_sendmsg+0xee/0x170
[ 2086.654927][   T10]      __sys_sendmsg+0xcd/0x170
[ 2086.654927][   T10]      do_syscall_64+0xc6/0x1e0
[ 2086.654927][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2086.654927][   T10] 
[ 2096.727888][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2096.728379][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2096.728379][   T10]      dst_init+0x84/0x4a0
[ 2096.728379][   T10]      dst_alloc+0x97/0x150
[ 2096.728379][   T10]      ip6_dst_alloc+0x23/0x90
[ 2096.728379][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2096.728379][   T10]      ip6_pol_route+0x56f/0x840
[ 2096.728379][   T10]      fib6_rule_lookup+0x456/0x630
[ 2096.728379][   T10]      ip6_route_input+0x59c/0xa50
[ 2096.728379][   T10]      ipv6_rcv+0x397/0x810
[ 2096.728379][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2096.728379][   T10]      process_backlog+0x101/0x620
[ 2096.728379][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2096.728379][   T10]      net_rx_action+0x495/0xbe0
[ 2096.728379][   T10]      __do_softirq+0x1b5/0x7f6
[ 2096.728379][   T10] 
[ 2096.730159][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2096.730159][   T10]      netdev_get_by_index+0x5e/0x80
[ 2096.730159][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2096.730159][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2096.730159][   T10]      ip6_route_add+0x1c/0x140
[ 2096.730159][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2096.730159][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2096.730159][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2096.730159][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2096.730159][   T10]      netlink_rcv_skb+0x130/0x360
[ 2096.730159][   T10]      netlink_unicast+0x449/0x710
[ 2096.730159][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2096.730159][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2096.730159][   T10]      ___sys_sendmsg+0xee/0x170
[ 2096.730159][   T10]      __sys_sendmsg+0xcd/0x170
[ 2096.730159][   T10]      do_syscall_64+0xc6/0x1e0
[ 2096.730159][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2096.730159][   T10] 
[ 2096.732301][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2096.732301][   T10]      netdev_get_by_index+0x5e/0x80
[ 2096.732301][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2096.732301][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2096.732301][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2096.732301][   T10]      ipv6_add_addr+0x411/0x2000
[ 2096.732301][   T10]      inet6_addr_add+0x30e/0xa40
[ 2096.732301][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2096.732301][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2096.732301][   T10]      netlink_rcv_skb+0x130/0x360
[ 2096.732301][   T10]      netlink_unicast+0x449/0x710
[ 2096.732301][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2096.732301][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2096.732301][   T10]      ___sys_sendmsg+0xee/0x170
[ 2096.732301][   T10]      __sys_sendmsg+0xcd/0x170
[ 2096.732301][   T10]      do_syscall_64+0xc6/0x1e0
[ 2096.732301][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2096.732301][   T10] 
[ 2096.734545][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2096.734545][   T10]      netdev_get_by_index+0x5e/0x80
[ 2096.734545][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2096.734545][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2096.734545][   T10]      ip6_route_add+0x1c/0x140
[ 2096.734545][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2096.734545][   T10]      addrconf_add_dev+0xe2/0x170
[ 2096.734545][   T10]      inet6_addr_add+0x12f/0xa40
[ 2096.734545][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2096.734545][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2096.734545][   T10]      netlink_rcv_skb+0x130/0x360
[ 2096.734545][   T10]      netlink_unicast+0x449/0x710
[ 2096.734545][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2096.734545][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2096.734545][   T10]      ___sys_sendmsg+0xee/0x170
[ 2096.734545][   T10]      __sys_sendmsg+0xcd/0x170
[ 2096.734545][   T10]      do_syscall_64+0xc6/0x1e0
[ 2096.734545][   T10] 
[ 2096.736665][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2096.736665][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2096.736665][   T10]      ipv6_find_idev+0x102/0x170
[ 2096.736665][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2096.736665][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2096.736665][   T10]      netlink_rcv_skb+0x130/0x360
[ 2096.736665][   T10]      netlink_unicast+0x449/0x710
[ 2096.736665][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2096.736665][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2096.736665][   T10]      ___sys_sendmsg+0xee/0x170
[ 2096.736665][   T10]      __sys_sendmsg+0xcd/0x170
[ 2096.736665][   T10]      do_syscall_64+0xc6/0x1e0
[ 2096.736665][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2096.736665][   T10] 
[ 2096.738323][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2096.738323][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2096.738323][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2096.738323][   T10]      ipv6_find_idev+0x102/0x170
[ 2096.738323][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2096.738323][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2096.738323][   T10]      netlink_rcv_skb+0x130/0x360
[ 2096.738323][   T10]      netlink_unicast+0x449/0x710
[ 2096.738323][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2096.738323][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2096.738323][   T10]      ___sys_sendmsg+0xee/0x170
[ 2096.738323][   T10]      __sys_sendmsg+0xcd/0x170
[ 2096.738323][   T10]      do_syscall_64+0xc6/0x1e0
[ 2096.738323][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2096.738323][   T10] 
[ 2096.740186][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2096.740472][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2096.740472][   T10]      netdev_get_by_index+0x5e/0x80
[ 2096.740472][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2096.740472][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2096.740472][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2096.740472][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2096.740472][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2096.740472][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2096.740472][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2096.740472][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2096.740472][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2096.740472][   T10]      vfs_write+0x9e5/0x10a0
[ 2096.740472][   T10]      ksys_write+0xf5/0x1e0
[ 2096.740472][   T10]      do_syscall_64+0xc6/0x1e0
[ 2096.740472][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2096.740472][   T10] 
[ 2096.742512][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2096.742512][   T10]      netdev_get_by_index+0x5e/0x80
[ 2096.742512][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2096.742512][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2096.742512][   T10]      ip6_route_add+0x1c/0x140
[ 2096.742512][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2096.742512][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2096.742512][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2096.742512][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2096.742512][   T10]      netlink_rcv_skb+0x130/0x360
[ 2096.742512][   T10]      netlink_unicast+0x449/0x710
[ 2096.742512][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2096.742512][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2096.742512][   T10]      ___sys_sendmsg+0xee/0x170
[ 2096.742512][   T10]      __sys_sendmsg+0xcd/0x170
[ 2096.742512][   T10]      do_syscall_64+0xc6/0x1e0
[ 2096.742512][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2096.742512][   T10] 
[ 2096.744727][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2096.744727][   T10]      netdev_get_by_index+0x5e/0x80
[ 2096.744727][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2096.744727][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2096.744727][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2096.744727][   T10]      ipv6_add_addr+0x411/0x2000
[ 2096.744727][   T10]      inet6_addr_add+0x30e/0xa40
[ 2096.744727][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2096.744727][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2096.744727][   T10]      netlink_rcv_skb+0x130/0x360
[ 2096.744727][   T10]      netlink_unicast+0x449/0x710
[ 2096.744727][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2096.744727][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2096.744727][   T10]      ___sys_sendmsg+0xee/0x170
[ 2096.744727][   T10]      __sys_sendmsg+0xcd/0x170
[ 2096.744727][   T10]      do_syscall_64+0xc6/0x1e0
[ 2096.744727][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2096.744727][   T10] 
[ 2096.746937][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2096.746937][   T10]      netdev_get_by_index+0x5e/0x80
[ 2096.746937][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2096.746937][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2096.746937][   T10]      ip6_route_add+0x1c/0x140
[ 2096.746937][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2096.746937][   T10]      addrconf_add_dev+0xe2/0x170
[ 2096.746937][   T10]      inet6_addr_add+0x12f/0xa40
[ 2096.746937][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2096.746937][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2096.746937][   T10]      netlink_rcv_skb+0x130/0x360
[ 2096.746937][   T10]      netlink_unicast+0x449/0x710
[ 2096.746937][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2096.746937][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2096.746937][   T10]      ___sys_sendmsg+0xee/0x170
[ 2096.746937][   T10]      __sys_sendmsg+0xcd/0x170
[ 2096.746937][   T10]      do_syscall_64+0xc6/0x1e0
[ 2096.746937][   T10] 
[ 2096.749090][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2096.749090][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2096.749090][   T10]      ipv6_find_idev+0x102/0x170
[ 2096.749090][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2096.749090][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2096.749090][   T10]      netlink_rcv_skb+0x130/0x360
[ 2096.749090][   T10]      netlink_unicast+0x449/0x710
[ 2096.749090][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2096.749090][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2096.749090][   T10]      ___sys_sendmsg+0xee/0x170
[ 2096.749090][   T10]      __sys_sendmsg+0xcd/0x170
[ 2096.749090][   T10]      do_syscall_64+0xc6/0x1e0
[ 2096.749090][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2096.749090][   T10] 
[ 2096.750828][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2096.750828][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2096.750828][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2096.750828][   T10]      ipv6_find_idev+0x102/0x170
[ 2096.750828][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2096.750828][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2096.750828][   T10]      netlink_rcv_skb+0x130/0x360
[ 2096.750828][   T10]      netlink_unicast+0x449/0x710
[ 2096.750828][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2096.750828][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2096.750828][   T10]      ___sys_sendmsg+0xee/0x170
[ 2096.750828][   T10]      __sys_sendmsg+0xcd/0x170
[ 2096.750828][   T10]      do_syscall_64+0xc6/0x1e0
[ 2096.750828][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2096.750828][   T10] 
[ 2106.991877][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2106.992412][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2106.992412][   T10]      dst_init+0x84/0x4a0
[ 2106.992412][   T10]      dst_alloc+0x97/0x150
[ 2106.992412][   T10]      ip6_dst_alloc+0x23/0x90
[ 2106.992412][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2106.992412][   T10]      ip6_pol_route+0x56f/0x840
[ 2106.992412][   T10]      fib6_rule_lookup+0x456/0x630
[ 2106.992412][   T10]      ip6_route_input+0x59c/0xa50
[ 2106.992412][   T10]      ipv6_rcv+0x397/0x810
[ 2106.992412][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2106.992412][   T10]      process_backlog+0x101/0x620
[ 2106.992412][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2106.992412][   T10]      net_rx_action+0x495/0xbe0
[ 2106.992412][   T10]      __do_softirq+0x1b5/0x7f6
[ 2106.992412][   T10] 
[ 2106.994241][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2106.994241][   T10]      netdev_get_by_index+0x5e/0x80
[ 2106.994241][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2106.994241][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2106.994241][   T10]      ip6_route_add+0x1c/0x140
[ 2106.994241][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2106.994241][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2106.994241][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2106.994241][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2106.994241][   T10]      netlink_rcv_skb+0x130/0x360
[ 2106.994241][   T10]      netlink_unicast+0x449/0x710
[ 2106.994241][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2106.994241][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2106.994241][   T10]      ___sys_sendmsg+0xee/0x170
[ 2106.994241][   T10]      __sys_sendmsg+0xcd/0x170
[ 2106.994241][   T10]      do_syscall_64+0xc6/0x1e0
[ 2106.994241][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2106.994241][   T10] 
[ 2106.996468][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2106.996468][   T10]      netdev_get_by_index+0x5e/0x80
[ 2106.996468][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2106.996468][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2106.996468][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2106.996468][   T10]      ipv6_add_addr+0x411/0x2000
[ 2106.996468][   T10]      inet6_addr_add+0x30e/0xa40
[ 2106.996468][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2106.996468][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2106.996468][   T10]      netlink_rcv_skb+0x130/0x360
[ 2106.996468][   T10]      netlink_unicast+0x449/0x710
[ 2106.996468][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2106.996468][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2106.996468][   T10]      ___sys_sendmsg+0xee/0x170
[ 2106.996468][   T10]      __sys_sendmsg+0xcd/0x170
[ 2106.996468][   T10]      do_syscall_64+0xc6/0x1e0
[ 2106.996468][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2106.996468][   T10] 
[ 2106.998626][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2106.998626][   T10]      netdev_get_by_index+0x5e/0x80
[ 2106.998626][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2106.998626][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2106.998626][   T10]      ip6_route_add+0x1c/0x140
[ 2106.998626][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2106.998626][   T10]      addrconf_add_dev+0xe2/0x170
[ 2106.998626][   T10]      inet6_addr_add+0x12f/0xa40
[ 2106.998626][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2106.998626][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2106.998626][   T10]      netlink_rcv_skb+0x130/0x360
[ 2106.998626][   T10]      netlink_unicast+0x449/0x710
[ 2106.998626][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2106.998626][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2106.998626][   T10]      ___sys_sendmsg+0xee/0x170
[ 2106.998626][   T10]      __sys_sendmsg+0xcd/0x170
[ 2106.998626][   T10]      do_syscall_64+0xc6/0x1e0
[ 2106.998626][   T10] 
[ 2107.000701][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2107.000701][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2107.000701][   T10]      ipv6_find_idev+0x102/0x170
[ 2107.000701][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2107.000701][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2107.000701][   T10]      netlink_rcv_skb+0x130/0x360
[ 2107.000701][   T10]      netlink_unicast+0x449/0x710
[ 2107.000701][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2107.000701][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2107.000701][   T10]      ___sys_sendmsg+0xee/0x170
[ 2107.000701][   T10]      __sys_sendmsg+0xcd/0x170
[ 2107.000701][   T10]      do_syscall_64+0xc6/0x1e0
[ 2107.000701][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2107.000701][   T10] 
[ 2107.002326][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2107.002326][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2107.002326][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2107.002326][   T10]      ipv6_find_idev+0x102/0x170
[ 2107.002326][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2107.002326][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2107.002326][   T10]      netlink_rcv_skb+0x130/0x360
[ 2107.002326][   T10]      netlink_unicast+0x449/0x710
[ 2107.002326][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2107.002326][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2107.002326][   T10]      ___sys_sendmsg+0xee/0x170
[ 2107.002326][   T10]      __sys_sendmsg+0xcd/0x170
[ 2107.002326][   T10]      do_syscall_64+0xc6/0x1e0
[ 2107.002326][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2107.002326][   T10] 
[ 2107.004161][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2107.004418][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2107.004418][   T10]      netdev_get_by_index+0x5e/0x80
[ 2107.004418][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2107.004418][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2107.004418][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2107.004418][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2107.004418][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2107.004418][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2107.004418][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2107.004418][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2107.004418][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2107.004418][   T10]      vfs_write+0x9e5/0x10a0
[ 2107.004418][   T10]      ksys_write+0xf5/0x1e0
[ 2107.004418][   T10]      do_syscall_64+0xc6/0x1e0
[ 2107.004418][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2107.004418][   T10] 
[ 2107.006435][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2107.006435][   T10]      netdev_get_by_index+0x5e/0x80
[ 2107.006435][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2107.006435][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2107.006435][   T10]      ip6_route_add+0x1c/0x140
[ 2107.006435][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2107.006435][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2107.006435][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2107.006435][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2107.006435][   T10]      netlink_rcv_skb+0x130/0x360
[ 2107.006435][   T10]      netlink_unicast+0x449/0x710
[ 2107.006435][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2107.006435][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2107.006435][   T10]      ___sys_sendmsg+0xee/0x170
[ 2107.006435][   T10]      __sys_sendmsg+0xcd/0x170
[ 2107.006435][   T10]      do_syscall_64+0xc6/0x1e0
[ 2107.006435][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2107.006435][   T10] 
[ 2107.008624][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2107.008624][   T10]      netdev_get_by_index+0x5e/0x80
[ 2107.008624][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2107.008624][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2107.008624][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2107.008624][   T10]      ipv6_add_addr+0x411/0x2000
[ 2107.008624][   T10]      inet6_addr_add+0x30e/0xa40
[ 2107.008624][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2107.008624][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2107.008624][   T10]      netlink_rcv_skb+0x130/0x360
[ 2107.008624][   T10]      netlink_unicast+0x449/0x710
[ 2107.008624][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2107.008624][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2107.008624][   T10]      ___sys_sendmsg+0xee/0x170
[ 2107.008624][   T10]      __sys_sendmsg+0xcd/0x170
[ 2107.008624][   T10]      do_syscall_64+0xc6/0x1e0
[ 2107.008624][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2107.008624][   T10] 
[ 2107.010817][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2107.010817][   T10]      netdev_get_by_index+0x5e/0x80
[ 2107.010817][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2107.010817][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2107.010817][   T10]      ip6_route_add+0x1c/0x140
[ 2107.010817][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2107.010817][   T10]      addrconf_add_dev+0xe2/0x170
[ 2107.010817][   T10]      inet6_addr_add+0x12f/0xa40
[ 2107.010817][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2107.010817][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2107.010817][   T10]      netlink_rcv_skb+0x130/0x360
[ 2107.010817][   T10]      netlink_unicast+0x449/0x710
[ 2107.010817][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2107.010817][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2107.010817][   T10]      ___sys_sendmsg+0xee/0x170
[ 2107.010817][   T10]      __sys_sendmsg+0xcd/0x170
[ 2107.010817][   T10]      do_syscall_64+0xc6/0x1e0
[ 2107.010817][   T10] 
[ 2107.012986][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2107.012986][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2107.012986][   T10]      ipv6_find_idev+0x102/0x170
[ 2107.012986][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2107.012986][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2107.012986][   T10]      netlink_rcv_skb+0x130/0x360
[ 2107.012986][   T10]      netlink_unicast+0x449/0x710
[ 2107.012986][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2107.012986][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2107.012986][   T10]      ___sys_sendmsg+0xee/0x170
[ 2107.012986][   T10]      __sys_sendmsg+0xcd/0x170
[ 2107.012986][   T10]      do_syscall_64+0xc6/0x1e0
[ 2107.012986][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2107.012986][   T10] 
[ 2107.014690][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2107.014690][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2107.014690][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2107.014690][   T10]      ipv6_find_idev+0x102/0x170
[ 2107.014690][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2107.014690][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2107.014690][   T10]      netlink_rcv_skb+0x130/0x360
[ 2107.014690][   T10]      netlink_unicast+0x449/0x710
[ 2107.014690][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2107.014690][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2107.014690][   T10]      ___sys_sendmsg+0xee/0x170
[ 2107.014690][   T10]      __sys_sendmsg+0xcd/0x170
[ 2107.014690][   T10]      do_syscall_64+0xc6/0x1e0
[ 2107.014690][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2107.014690][   T10] 
[ 2117.103896][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2117.104430][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2117.104430][   T10]      dst_init+0x84/0x4a0
[ 2117.104430][   T10]      dst_alloc+0x97/0x150
[ 2117.104430][   T10]      ip6_dst_alloc+0x23/0x90
[ 2117.104430][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2117.104430][   T10]      ip6_pol_route+0x56f/0x840
[ 2117.104430][   T10]      fib6_rule_lookup+0x456/0x630
[ 2117.104430][   T10]      ip6_route_input+0x59c/0xa50
[ 2117.104430][   T10]      ipv6_rcv+0x397/0x810
[ 2117.104430][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2117.104430][   T10]      process_backlog+0x101/0x620
[ 2117.104430][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2117.104430][   T10]      net_rx_action+0x495/0xbe0
[ 2117.104430][   T10]      __do_softirq+0x1b5/0x7f6
[ 2117.104430][   T10] 
[ 2117.106266][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2117.106266][   T10]      netdev_get_by_index+0x5e/0x80
[ 2117.106266][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2117.106266][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2117.106266][   T10]      ip6_route_add+0x1c/0x140
[ 2117.106266][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2117.106266][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2117.106266][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2117.106266][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2117.106266][   T10]      netlink_rcv_skb+0x130/0x360
[ 2117.106266][   T10]      netlink_unicast+0x449/0x710
[ 2117.106266][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2117.106266][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2117.106266][   T10]      ___sys_sendmsg+0xee/0x170
[ 2117.106266][   T10]      __sys_sendmsg+0xcd/0x170
[ 2117.106266][   T10]      do_syscall_64+0xc6/0x1e0
[ 2117.106266][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2117.106266][   T10] 
[ 2117.108479][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2117.108479][   T10]      netdev_get_by_index+0x5e/0x80
[ 2117.108479][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2117.108479][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2117.108479][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2117.108479][   T10]      ipv6_add_addr+0x411/0x2000
[ 2117.108479][   T10]      inet6_addr_add+0x30e/0xa40
[ 2117.108479][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2117.108479][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2117.108479][   T10]      netlink_rcv_skb+0x130/0x360
[ 2117.108479][   T10]      netlink_unicast+0x449/0x710
[ 2117.108479][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2117.108479][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2117.108479][   T10]      ___sys_sendmsg+0xee/0x170
[ 2117.108479][   T10]      __sys_sendmsg+0xcd/0x170
[ 2117.108479][   T10]      do_syscall_64+0xc6/0x1e0
[ 2117.108479][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2117.108479][   T10] 
[ 2117.110579][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2117.110579][   T10]      netdev_get_by_index+0x5e/0x80
[ 2117.110579][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2117.110579][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2117.110579][   T10]      ip6_route_add+0x1c/0x140
[ 2117.110579][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2117.110579][   T10]      addrconf_add_dev+0xe2/0x170
[ 2117.110579][   T10]      inet6_addr_add+0x12f/0xa40
[ 2117.110579][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2117.110579][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2117.110579][   T10]      netlink_rcv_skb+0x130/0x360
[ 2117.110579][   T10]      netlink_unicast+0x449/0x710
[ 2117.110579][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2117.110579][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2117.110579][   T10]      ___sys_sendmsg+0xee/0x170
[ 2117.110579][   T10]      __sys_sendmsg+0xcd/0x170
[ 2117.110579][   T10]      do_syscall_64+0xc6/0x1e0
[ 2117.110579][   T10] 
[ 2117.112770][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2117.112770][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2117.112770][   T10]      ipv6_find_idev+0x102/0x170
[ 2117.112770][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2117.112770][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2117.112770][   T10]      netlink_rcv_skb+0x130/0x360
[ 2117.112770][   T10]      netlink_unicast+0x449/0x710
[ 2117.112770][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2117.112770][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2117.112770][   T10]      ___sys_sendmsg+0xee/0x170
[ 2117.112770][   T10]      __sys_sendmsg+0xcd/0x170
[ 2117.112770][   T10]      do_syscall_64+0xc6/0x1e0
[ 2117.112770][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2117.112770][   T10] 
[ 2117.114456][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2117.114456][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2117.114456][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2117.114456][   T10]      ipv6_find_idev+0x102/0x170
[ 2117.114456][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2117.114456][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2117.114456][   T10]      netlink_rcv_skb+0x130/0x360
[ 2117.114456][   T10]      netlink_unicast+0x449/0x710
[ 2117.114456][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2117.114456][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2117.114456][   T10]      ___sys_sendmsg+0xee/0x170
[ 2117.114456][   T10]      __sys_sendmsg+0xcd/0x170
[ 2117.114456][   T10]      do_syscall_64+0xc6/0x1e0
[ 2117.114456][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2117.114456][   T10] 
[ 2117.116333][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2117.116605][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2117.116605][   T10]      netdev_get_by_index+0x5e/0x80
[ 2117.116605][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2117.116605][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2117.116605][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2117.116605][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2117.116605][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2117.116605][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2117.116605][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2117.116605][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2117.116605][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2117.116605][   T10]      vfs_write+0x9e5/0x10a0
[ 2117.116605][   T10]      ksys_write+0xf5/0x1e0
[ 2117.116605][   T10]      do_syscall_64+0xc6/0x1e0
[ 2117.116605][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2117.116605][   T10] 
[ 2117.118561][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2117.118561][   T10]      netdev_get_by_index+0x5e/0x80
[ 2117.118561][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2117.118561][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2117.118561][   T10]      ip6_route_add+0x1c/0x140
[ 2117.118561][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2117.118561][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2117.118561][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2117.118561][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2117.118561][   T10]      netlink_rcv_skb+0x130/0x360
[ 2117.118561][   T10]      netlink_unicast+0x449/0x710
[ 2117.118561][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2117.118561][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2117.118561][   T10]      ___sys_sendmsg+0xee/0x170
[ 2117.118561][   T10]      __sys_sendmsg+0xcd/0x170
[ 2117.118561][   T10]      do_syscall_64+0xc6/0x1e0
[ 2117.118561][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2117.118561][   T10] 
[ 2117.120779][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2117.120779][   T10]      netdev_get_by_index+0x5e/0x80
[ 2117.120779][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2117.120779][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2117.120779][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2117.120779][   T10]      ipv6_add_addr+0x411/0x2000
[ 2117.120779][   T10]      inet6_addr_add+0x30e/0xa40
[ 2117.120779][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2117.120779][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2117.120779][   T10]      netlink_rcv_skb+0x130/0x360
[ 2117.120779][   T10]      netlink_unicast+0x449/0x710
[ 2117.120779][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2117.120779][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2117.120779][   T10]      ___sys_sendmsg+0xee/0x170
[ 2117.120779][   T10]      __sys_sendmsg+0xcd/0x170
[ 2117.120779][   T10]      do_syscall_64+0xc6/0x1e0
[ 2117.120779][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2117.120779][   T10] 
[ 2117.122977][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2117.122977][   T10]      netdev_get_by_index+0x5e/0x80
[ 2117.122977][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2117.122977][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2117.122977][   T10]      ip6_route_add+0x1c/0x140
[ 2117.122977][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2117.122977][   T10]      addrconf_add_dev+0xe2/0x170
[ 2117.122977][   T10]      inet6_addr_add+0x12f/0xa40
[ 2117.122977][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2117.122977][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2117.122977][   T10]      netlink_rcv_skb+0x130/0x360
[ 2117.122977][   T10]      netlink_unicast+0x449/0x710
[ 2117.122977][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2117.122977][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2117.122977][   T10]      ___sys_sendmsg+0xee/0x170
[ 2117.122977][   T10]      __sys_sendmsg+0xcd/0x170
[ 2117.122977][   T10]      do_syscall_64+0xc6/0x1e0
[ 2117.122977][   T10] 
[ 2117.125167][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2117.125167][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2117.125167][   T10]      ipv6_find_idev+0x102/0x170
[ 2117.125167][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2117.125167][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2117.125167][   T10]      netlink_rcv_skb+0x130/0x360
[ 2117.125167][   T10]      netlink_unicast+0x449/0x710
[ 2117.125167][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2117.125167][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2117.125167][   T10]      ___sys_sendmsg+0xee/0x170
[ 2117.125167][   T10]      __sys_sendmsg+0xcd/0x170
[ 2117.125167][   T10]      do_syscall_64+0xc6/0x1e0
[ 2117.125167][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2117.125167][   T10] 
[ 2117.126885][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2117.126885][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2117.126885][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2117.126885][   T10]      ipv6_find_idev+0x102/0x170
[ 2117.126885][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2117.126885][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2117.126885][   T10]      netlink_rcv_skb+0x130/0x360
[ 2117.126885][   T10]      netlink_unicast+0x449/0x710
[ 2117.126885][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2117.126885][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2117.126885][   T10]      ___sys_sendmsg+0xee/0x170
[ 2117.126885][   T10]      __sys_sendmsg+0xcd/0x170
[ 2117.126885][   T10]      do_syscall_64+0xc6/0x1e0
[ 2117.126885][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2117.126885][   T10] 
[ 2127.375856][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2127.376357][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2127.376357][   T10]      dst_init+0x84/0x4a0
[ 2127.376357][   T10]      dst_alloc+0x97/0x150
[ 2127.376357][   T10]      ip6_dst_alloc+0x23/0x90
[ 2127.376357][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2127.376357][   T10]      ip6_pol_route+0x56f/0x840
[ 2127.376357][   T10]      fib6_rule_lookup+0x456/0x630
[ 2127.376357][   T10]      ip6_route_input+0x59c/0xa50
[ 2127.376357][   T10]      ipv6_rcv+0x397/0x810
[ 2127.376357][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2127.376357][   T10]      process_backlog+0x101/0x620
[ 2127.376357][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2127.376357][   T10]      net_rx_action+0x495/0xbe0
[ 2127.376357][   T10]      __do_softirq+0x1b5/0x7f6
[ 2127.376357][   T10] 
[ 2127.378132][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2127.378132][   T10]      netdev_get_by_index+0x5e/0x80
[ 2127.378132][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2127.378132][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2127.378132][   T10]      ip6_route_add+0x1c/0x140
[ 2127.378132][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2127.378132][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2127.378132][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2127.378132][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2127.378132][   T10]      netlink_rcv_skb+0x130/0x360
[ 2127.378132][   T10]      netlink_unicast+0x449/0x710
[ 2127.378132][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2127.378132][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2127.378132][   T10]      ___sys_sendmsg+0xee/0x170
[ 2127.378132][   T10]      __sys_sendmsg+0xcd/0x170
[ 2127.378132][   T10]      do_syscall_64+0xc6/0x1e0
[ 2127.378132][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2127.378132][   T10] 
[ 2127.380313][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2127.380313][   T10]      netdev_get_by_index+0x5e/0x80
[ 2127.380313][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2127.380313][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2127.380313][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2127.380313][   T10]      ipv6_add_addr+0x411/0x2000
[ 2127.380313][   T10]      inet6_addr_add+0x30e/0xa40
[ 2127.380313][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2127.380313][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2127.380313][   T10]      netlink_rcv_skb+0x130/0x360
[ 2127.380313][   T10]      netlink_unicast+0x449/0x710
[ 2127.380313][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2127.380313][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2127.380313][   T10]      ___sys_sendmsg+0xee/0x170
[ 2127.380313][   T10]      __sys_sendmsg+0xcd/0x170
[ 2127.380313][   T10]      do_syscall_64+0xc6/0x1e0
[ 2127.380313][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2127.380313][   T10] 
[ 2127.382455][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2127.382455][   T10]      netdev_get_by_index+0x5e/0x80
[ 2127.382455][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2127.382455][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2127.382455][   T10]      ip6_route_add+0x1c/0x140
[ 2127.382455][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2127.382455][   T10]      addrconf_add_dev+0xe2/0x170
[ 2127.382455][   T10]      inet6_addr_add+0x12f/0xa40
[ 2127.382455][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2127.382455][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2127.382455][   T10]      netlink_rcv_skb+0x130/0x360
[ 2127.382455][   T10]      netlink_unicast+0x449/0x710
[ 2127.382455][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2127.382455][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2127.382455][   T10]      ___sys_sendmsg+0xee/0x170
[ 2127.382455][   T10]      __sys_sendmsg+0xcd/0x170
[ 2127.382455][   T10]      do_syscall_64+0xc6/0x1e0
[ 2127.382455][   T10] 
[ 2127.384659][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2127.384659][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2127.384659][   T10]      ipv6_find_idev+0x102/0x170
[ 2127.384659][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2127.384659][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2127.384659][   T10]      netlink_rcv_skb+0x130/0x360
[ 2127.384659][   T10]      netlink_unicast+0x449/0x710
[ 2127.384659][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2127.384659][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2127.384659][   T10]      ___sys_sendmsg+0xee/0x170
[ 2127.384659][   T10]      __sys_sendmsg+0xcd/0x170
[ 2127.384659][   T10]      do_syscall_64+0xc6/0x1e0
[ 2127.384659][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2127.384659][   T10] 
[ 2127.386337][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2127.386337][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2127.386337][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2127.386337][   T10]      ipv6_find_idev+0x102/0x170
[ 2127.386337][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2127.386337][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2127.386337][   T10]      netlink_rcv_skb+0x130/0x360
[ 2127.386337][   T10]      netlink_unicast+0x449/0x710
[ 2127.386337][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2127.386337][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2127.386337][   T10]      ___sys_sendmsg+0xee/0x170
[ 2127.386337][   T10]      __sys_sendmsg+0xcd/0x170
[ 2127.386337][   T10]      do_syscall_64+0xc6/0x1e0
[ 2127.386337][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2127.386337][   T10] 
[ 2127.388122][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2127.388409][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2127.388409][   T10]      netdev_get_by_index+0x5e/0x80
[ 2127.388409][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2127.388409][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2127.388409][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2127.388409][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2127.388409][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2127.388409][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2127.388409][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2127.388409][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2127.388409][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2127.388409][   T10]      vfs_write+0x9e5/0x10a0
[ 2127.388409][   T10]      ksys_write+0xf5/0x1e0
[ 2127.388409][   T10]      do_syscall_64+0xc6/0x1e0
[ 2127.388409][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2127.388409][   T10] 
[ 2127.390392][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2127.390392][   T10]      netdev_get_by_index+0x5e/0x80
[ 2127.390392][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2127.390392][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2127.390392][   T10]      ip6_route_add+0x1c/0x140
[ 2127.390392][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2127.390392][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2127.390392][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2127.390392][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2127.390392][   T10]      netlink_rcv_skb+0x130/0x360
[ 2127.390392][   T10]      netlink_unicast+0x449/0x710
[ 2127.390392][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2127.390392][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2127.390392][   T10]      ___sys_sendmsg+0xee/0x170
[ 2127.390392][   T10]      __sys_sendmsg+0xcd/0x170
[ 2127.390392][   T10]      do_syscall_64+0xc6/0x1e0
[ 2127.390392][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2127.390392][   T10] 
[ 2127.392545][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2127.392545][   T10]      netdev_get_by_index+0x5e/0x80
[ 2127.392545][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2127.392545][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2127.392545][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2127.392545][   T10]      ipv6_add_addr+0x411/0x2000
[ 2127.392545][   T10]      inet6_addr_add+0x30e/0xa40
[ 2127.392545][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2127.392545][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2127.392545][   T10]      netlink_rcv_skb+0x130/0x360
[ 2127.392545][   T10]      netlink_unicast+0x449/0x710
[ 2127.392545][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2127.392545][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2127.392545][   T10]      ___sys_sendmsg+0xee/0x170
[ 2127.392545][   T10]      __sys_sendmsg+0xcd/0x170
[ 2127.392545][   T10]      do_syscall_64+0xc6/0x1e0
[ 2127.392545][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2127.392545][   T10] 
[ 2127.394775][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2127.394775][   T10]      netdev_get_by_index+0x5e/0x80
[ 2127.394775][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2127.394775][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2127.394775][   T10]      ip6_route_add+0x1c/0x140
[ 2127.394775][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2127.394775][   T10]      addrconf_add_dev+0xe2/0x170
[ 2127.394775][   T10]      inet6_addr_add+0x12f/0xa40
[ 2127.394775][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2127.394775][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2127.394775][   T10]      netlink_rcv_skb+0x130/0x360
[ 2127.394775][   T10]      netlink_unicast+0x449/0x710
[ 2127.394775][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2127.394775][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2127.394775][   T10]      ___sys_sendmsg+0xee/0x170
[ 2127.394775][   T10]      __sys_sendmsg+0xcd/0x170
[ 2127.394775][   T10]      do_syscall_64+0xc6/0x1e0
[ 2127.394775][   T10] 
[ 2127.396973][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2127.396973][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2127.396973][   T10]      ipv6_find_idev+0x102/0x170
[ 2127.396973][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2127.396973][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2127.396973][   T10]      netlink_rcv_skb+0x130/0x360
[ 2127.396973][   T10]      netlink_unicast+0x449/0x710
[ 2127.396973][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2127.396973][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2127.396973][   T10]      ___sys_sendmsg+0xee/0x170
[ 2127.396973][   T10]      __sys_sendmsg+0xcd/0x170
[ 2127.396973][   T10]      do_syscall_64+0xc6/0x1e0
[ 2127.396973][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2127.396973][   T10] 
[ 2127.398685][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2127.398685][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2127.398685][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2127.398685][   T10]      ipv6_find_idev+0x102/0x170
[ 2127.398685][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2127.398685][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2127.398685][   T10]      netlink_rcv_skb+0x130/0x360
[ 2127.398685][   T10]      netlink_unicast+0x449/0x710
[ 2127.398685][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2127.398685][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2127.398685][   T10]      ___sys_sendmsg+0xee/0x170
[ 2127.398685][   T10]      __sys_sendmsg+0xcd/0x170
[ 2127.398685][   T10]      do_syscall_64+0xc6/0x1e0
[ 2127.398685][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2127.398685][   T10] 
[ 2137.615968][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2137.616488][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2137.616488][   T10]      dst_init+0x84/0x4a0
[ 2137.616488][   T10]      dst_alloc+0x97/0x150
[ 2137.616488][   T10]      ip6_dst_alloc+0x23/0x90
[ 2137.616488][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2137.616488][   T10]      ip6_pol_route+0x56f/0x840
[ 2137.616488][   T10]      fib6_rule_lookup+0x456/0x630
[ 2137.616488][   T10]      ip6_route_input+0x59c/0xa50
[ 2137.616488][   T10]      ipv6_rcv+0x397/0x810
[ 2137.616488][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2137.616488][   T10]      process_backlog+0x101/0x620
[ 2137.616488][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2137.616488][   T10]      net_rx_action+0x495/0xbe0
[ 2137.616488][   T10]      __do_softirq+0x1b5/0x7f6
[ 2137.616488][   T10] 
[ 2137.618303][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2137.618303][   T10]      netdev_get_by_index+0x5e/0x80
[ 2137.618303][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2137.618303][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2137.618303][   T10]      ip6_route_add+0x1c/0x140
[ 2137.618303][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2137.618303][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2137.618303][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2137.618303][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2137.618303][   T10]      netlink_rcv_skb+0x130/0x360
[ 2137.618303][   T10]      netlink_unicast+0x449/0x710
[ 2137.618303][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2137.618303][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2137.618303][   T10]      ___sys_sendmsg+0xee/0x170
[ 2137.618303][   T10]      __sys_sendmsg+0xcd/0x170
[ 2137.618303][   T10]      do_syscall_64+0xc6/0x1e0
[ 2137.618303][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2137.618303][   T10] 
[ 2137.620517][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2137.620517][   T10]      netdev_get_by_index+0x5e/0x80
[ 2137.620517][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2137.620517][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2137.620517][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2137.620517][   T10]      ipv6_add_addr+0x411/0x2000
[ 2137.620517][   T10]      inet6_addr_add+0x30e/0xa40
[ 2137.620517][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2137.620517][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2137.620517][   T10]      netlink_rcv_skb+0x130/0x360
[ 2137.620517][   T10]      netlink_unicast+0x449/0x710
[ 2137.620517][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2137.620517][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2137.620517][   T10]      ___sys_sendmsg+0xee/0x170
[ 2137.620517][   T10]      __sys_sendmsg+0xcd/0x170
[ 2137.620517][   T10]      do_syscall_64+0xc6/0x1e0
[ 2137.620517][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2137.620517][   T10] 
[ 2137.622767][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2137.622767][   T10]      netdev_get_by_index+0x5e/0x80
[ 2137.622767][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2137.622767][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2137.622767][   T10]      ip6_route_add+0x1c/0x140
[ 2137.622767][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2137.622767][   T10]      addrconf_add_dev+0xe2/0x170
[ 2137.622767][   T10]      inet6_addr_add+0x12f/0xa40
[ 2137.622767][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2137.622767][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2137.622767][   T10]      netlink_rcv_skb+0x130/0x360
[ 2137.622767][   T10]      netlink_unicast+0x449/0x710
[ 2137.622767][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2137.622767][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2137.622767][   T10]      ___sys_sendmsg+0xee/0x170
[ 2137.622767][   T10]      __sys_sendmsg+0xcd/0x170
[ 2137.622767][   T10]      do_syscall_64+0xc6/0x1e0
[ 2137.622767][   T10] 
[ 2137.624965][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2137.624965][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2137.624965][   T10]      ipv6_find_idev+0x102/0x170
[ 2137.624965][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2137.624965][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2137.624965][   T10]      netlink_rcv_skb+0x130/0x360
[ 2137.624965][   T10]      netlink_unicast+0x449/0x710
[ 2137.624965][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2137.624965][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2137.624965][   T10]      ___sys_sendmsg+0xee/0x170
[ 2137.624965][   T10]      __sys_sendmsg+0xcd/0x170
[ 2137.624965][   T10]      do_syscall_64+0xc6/0x1e0
[ 2137.624965][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2137.624965][   T10] 
[ 2137.626666][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2137.626666][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2137.626666][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2137.626666][   T10]      ipv6_find_idev+0x102/0x170
[ 2137.626666][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2137.626666][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2137.626666][   T10]      netlink_rcv_skb+0x130/0x360
[ 2137.626666][   T10]      netlink_unicast+0x449/0x710
[ 2137.626666][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2137.626666][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2137.626666][   T10]      ___sys_sendmsg+0xee/0x170
[ 2137.626666][   T10]      __sys_sendmsg+0xcd/0x170
[ 2137.626666][   T10]      do_syscall_64+0xc6/0x1e0
[ 2137.626666][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2137.626666][   T10] 
[ 2137.628498][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2137.628773][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2137.628773][   T10]      netdev_get_by_index+0x5e/0x80
[ 2137.628773][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2137.628773][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2137.628773][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2137.628773][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2137.628773][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2137.628773][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2137.628773][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2137.628773][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2137.628773][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2137.628773][   T10]      vfs_write+0x9e5/0x10a0
[ 2137.628773][   T10]      ksys_write+0xf5/0x1e0
[ 2137.628773][   T10]      do_syscall_64+0xc6/0x1e0
[ 2137.628773][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2137.628773][   T10] 
[ 2137.630804][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2137.630804][   T10]      netdev_get_by_index+0x5e/0x80
[ 2137.630804][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2137.630804][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2137.630804][   T10]      ip6_route_add+0x1c/0x140
[ 2137.630804][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2137.630804][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2137.630804][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2137.630804][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2137.630804][   T10]      netlink_rcv_skb+0x130/0x360
[ 2137.630804][   T10]      netlink_unicast+0x449/0x710
[ 2137.630804][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2137.630804][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2137.630804][   T10]      ___sys_sendmsg+0xee/0x170
[ 2137.630804][   T10]      __sys_sendmsg+0xcd/0x170
[ 2137.630804][   T10]      do_syscall_64+0xc6/0x1e0
[ 2137.630804][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2137.630804][   T10] 
[ 2137.633012][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2137.633012][   T10]      netdev_get_by_index+0x5e/0x80
[ 2137.633012][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2137.633012][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2137.633012][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2137.633012][   T10]      ipv6_add_addr+0x411/0x2000
[ 2137.633012][   T10]      inet6_addr_add+0x30e/0xa40
[ 2137.633012][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2137.633012][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2137.633012][   T10]      netlink_rcv_skb+0x130/0x360
[ 2137.633012][   T10]      netlink_unicast+0x449/0x710
[ 2137.633012][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2137.633012][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2137.633012][   T10]      ___sys_sendmsg+0xee/0x170
[ 2137.633012][   T10]      __sys_sendmsg+0xcd/0x170
[ 2137.633012][   T10]      do_syscall_64+0xc6/0x1e0
[ 2137.633012][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2137.633012][   T10] 
[ 2137.635232][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2137.635232][   T10]      netdev_get_by_index+0x5e/0x80
[ 2137.635232][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2137.635232][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2137.635232][   T10]      ip6_route_add+0x1c/0x140
[ 2137.635232][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2137.635232][   T10]      addrconf_add_dev+0xe2/0x170
[ 2137.635232][   T10]      inet6_addr_add+0x12f/0xa40
[ 2137.635232][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2137.635232][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2137.635232][   T10]      netlink_rcv_skb+0x130/0x360
[ 2137.635232][   T10]      netlink_unicast+0x449/0x710
[ 2137.635232][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2137.635232][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2137.635232][   T10]      ___sys_sendmsg+0xee/0x170
[ 2137.635232][   T10]      __sys_sendmsg+0xcd/0x170
[ 2137.635232][   T10]      do_syscall_64+0xc6/0x1e0
[ 2137.635232][   T10] 
[ 2137.637360][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2137.637360][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2137.637360][   T10]      ipv6_find_idev+0x102/0x170
[ 2137.637360][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2137.637360][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2137.637360][   T10]      netlink_rcv_skb+0x130/0x360
[ 2137.637360][   T10]      netlink_unicast+0x449/0x710
[ 2137.637360][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2137.637360][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2137.637360][   T10]      ___sys_sendmsg+0xee/0x170
[ 2137.637360][   T10]      __sys_sendmsg+0xcd/0x170
[ 2137.637360][   T10]      do_syscall_64+0xc6/0x1e0
[ 2137.637360][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2137.637360][   T10] 
[ 2137.639054][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2137.639054][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2137.639054][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2137.639054][   T10]      ipv6_find_idev+0x102/0x170
[ 2137.639054][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2137.639054][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2137.639054][   T10]      netlink_rcv_skb+0x130/0x360
[ 2137.639054][   T10]      netlink_unicast+0x449/0x710
[ 2137.639054][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2137.639054][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2137.639054][   T10]      ___sys_sendmsg+0xee/0x170
[ 2137.639054][   T10]      __sys_sendmsg+0xcd/0x170
[ 2137.639054][   T10]      do_syscall_64+0xc6/0x1e0
[ 2137.639054][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2137.639054][   T10] 
[ 2147.879873][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2147.880402][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2147.880402][   T10]      dst_init+0x84/0x4a0
[ 2147.880402][   T10]      dst_alloc+0x97/0x150
[ 2147.880402][   T10]      ip6_dst_alloc+0x23/0x90
[ 2147.880402][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2147.880402][   T10]      ip6_pol_route+0x56f/0x840
[ 2147.880402][   T10]      fib6_rule_lookup+0x456/0x630
[ 2147.880402][   T10]      ip6_route_input+0x59c/0xa50
[ 2147.880402][   T10]      ipv6_rcv+0x397/0x810
[ 2147.880402][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2147.880402][   T10]      process_backlog+0x101/0x620
[ 2147.880402][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2147.880402][   T10]      net_rx_action+0x495/0xbe0
[ 2147.880402][   T10]      __do_softirq+0x1b5/0x7f6
[ 2147.880402][   T10] 
[ 2147.882141][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2147.882141][   T10]      netdev_get_by_index+0x5e/0x80
[ 2147.882141][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2147.882141][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2147.882141][   T10]      ip6_route_add+0x1c/0x140
[ 2147.882141][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2147.882141][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2147.882141][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2147.882141][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2147.882141][   T10]      netlink_rcv_skb+0x130/0x360
[ 2147.882141][   T10]      netlink_unicast+0x449/0x710
[ 2147.882141][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2147.882141][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2147.882141][   T10]      ___sys_sendmsg+0xee/0x170
[ 2147.882141][   T10]      __sys_sendmsg+0xcd/0x170
[ 2147.882141][   T10]      do_syscall_64+0xc6/0x1e0
[ 2147.882141][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2147.882141][   T10] 
[ 2147.884360][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2147.884360][   T10]      netdev_get_by_index+0x5e/0x80
[ 2147.884360][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2147.884360][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2147.884360][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2147.884360][   T10]      ipv6_add_addr+0x411/0x2000
[ 2147.884360][   T10]      inet6_addr_add+0x30e/0xa40
[ 2147.884360][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2147.884360][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2147.884360][   T10]      netlink_rcv_skb+0x130/0x360
[ 2147.884360][   T10]      netlink_unicast+0x449/0x710
[ 2147.884360][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2147.884360][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2147.884360][   T10]      ___sys_sendmsg+0xee/0x170
[ 2147.884360][   T10]      __sys_sendmsg+0xcd/0x170
[ 2147.884360][   T10]      do_syscall_64+0xc6/0x1e0
[ 2147.884360][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2147.884360][   T10] 
[ 2147.886538][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2147.886538][   T10]      netdev_get_by_index+0x5e/0x80
[ 2147.886538][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2147.886538][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2147.886538][   T10]      ip6_route_add+0x1c/0x140
[ 2147.886538][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2147.886538][   T10]      addrconf_add_dev+0xe2/0x170
[ 2147.886538][   T10]      inet6_addr_add+0x12f/0xa40
[ 2147.886538][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2147.886538][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2147.886538][   T10]      netlink_rcv_skb+0x130/0x360
[ 2147.886538][   T10]      netlink_unicast+0x449/0x710
[ 2147.886538][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2147.886538][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2147.886538][   T10]      ___sys_sendmsg+0xee/0x170
[ 2147.886538][   T10]      __sys_sendmsg+0xcd/0x170
[ 2147.886538][   T10]      do_syscall_64+0xc6/0x1e0
[ 2147.886538][   T10] 
[ 2147.888644][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2147.888644][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2147.888644][   T10]      ipv6_find_idev+0x102/0x170
[ 2147.888644][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2147.888644][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2147.888644][   T10]      netlink_rcv_skb+0x130/0x360
[ 2147.888644][   T10]      netlink_unicast+0x449/0x710
[ 2147.888644][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2147.888644][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2147.888644][   T10]      ___sys_sendmsg+0xee/0x170
[ 2147.888644][   T10]      __sys_sendmsg+0xcd/0x170
[ 2147.888644][   T10]      do_syscall_64+0xc6/0x1e0
[ 2147.888644][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2147.888644][   T10] 
[ 2147.890346][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2147.890346][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2147.890346][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2147.890346][   T10]      ipv6_find_idev+0x102/0x170
[ 2147.890346][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2147.890346][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2147.890346][   T10]      netlink_rcv_skb+0x130/0x360
[ 2147.890346][   T10]      netlink_unicast+0x449/0x710
[ 2147.890346][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2147.890346][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2147.890346][   T10]      ___sys_sendmsg+0xee/0x170
[ 2147.890346][   T10]      __sys_sendmsg+0xcd/0x170
[ 2147.890346][   T10]      do_syscall_64+0xc6/0x1e0
[ 2147.890346][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2147.890346][   T10] 
[ 2147.892118][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2147.892388][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2147.892388][   T10]      netdev_get_by_index+0x5e/0x80
[ 2147.892388][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2147.892388][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2147.892388][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2147.892388][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2147.892388][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2147.892388][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2147.892388][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2147.892388][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2147.892388][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2147.892388][   T10]      vfs_write+0x9e5/0x10a0
[ 2147.892388][   T10]      ksys_write+0xf5/0x1e0
[ 2147.892388][   T10]      do_syscall_64+0xc6/0x1e0
[ 2147.892388][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2147.892388][   T10] 
[ 2147.894354][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2147.894354][   T10]      netdev_get_by_index+0x5e/0x80
[ 2147.894354][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2147.894354][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2147.894354][   T10]      ip6_route_add+0x1c/0x140
[ 2147.894354][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2147.894354][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2147.894354][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2147.894354][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2147.894354][   T10]      netlink_rcv_skb+0x130/0x360
[ 2147.894354][   T10]      netlink_unicast+0x449/0x710
[ 2147.894354][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2147.894354][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2147.894354][   T10]      ___sys_sendmsg+0xee/0x170
[ 2147.894354][   T10]      __sys_sendmsg+0xcd/0x170
[ 2147.894354][   T10]      do_syscall_64+0xc6/0x1e0
[ 2147.894354][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2147.894354][   T10] 
[ 2147.896619][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2147.896619][   T10]      netdev_get_by_index+0x5e/0x80
[ 2147.896619][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2147.896619][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2147.896619][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2147.896619][   T10]      ipv6_add_addr+0x411/0x2000
[ 2147.896619][   T10]      inet6_addr_add+0x30e/0xa40
[ 2147.896619][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2147.896619][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2147.896619][   T10]      netlink_rcv_skb+0x130/0x360
[ 2147.896619][   T10]      netlink_unicast+0x449/0x710
[ 2147.896619][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2147.896619][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2147.896619][   T10]      ___sys_sendmsg+0xee/0x170
[ 2147.896619][   T10]      __sys_sendmsg+0xcd/0x170
[ 2147.896619][   T10]      do_syscall_64+0xc6/0x1e0
[ 2147.896619][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2147.896619][   T10] 
[ 2147.898814][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2147.898814][   T10]      netdev_get_by_index+0x5e/0x80
[ 2147.898814][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2147.898814][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2147.898814][   T10]      ip6_route_add+0x1c/0x140
[ 2147.898814][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2147.898814][   T10]      addrconf_add_dev+0xe2/0x170
[ 2147.898814][   T10]      inet6_addr_add+0x12f/0xa40
[ 2147.898814][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2147.898814][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2147.898814][   T10]      netlink_rcv_skb+0x130/0x360
[ 2147.898814][   T10]      netlink_unicast+0x449/0x710
[ 2147.898814][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2147.898814][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2147.898814][   T10]      ___sys_sendmsg+0xee/0x170
[ 2147.898814][   T10]      __sys_sendmsg+0xcd/0x170
[ 2147.898814][   T10]      do_syscall_64+0xc6/0x1e0
[ 2147.898814][   T10] 
[ 2147.900988][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2147.900988][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2147.900988][   T10]      ipv6_find_idev+0x102/0x170
[ 2147.900988][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2147.900988][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2147.900988][   T10]      netlink_rcv_skb+0x130/0x360
[ 2147.900988][   T10]      netlink_unicast+0x449/0x710
[ 2147.900988][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2147.900988][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2147.900988][   T10]      ___sys_sendmsg+0xee/0x170
[ 2147.900988][   T10]      __sys_sendmsg+0xcd/0x170
[ 2147.900988][   T10]      do_syscall_64+0xc6/0x1e0
[ 2147.900988][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2147.900988][   T10] 
[ 2147.902677][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2147.902677][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2147.902677][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2147.902677][   T10]      ipv6_find_idev+0x102/0x170
[ 2147.902677][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2147.902677][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2147.902677][   T10]      netlink_rcv_skb+0x130/0x360
[ 2147.902677][   T10]      netlink_unicast+0x449/0x710
[ 2147.902677][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2147.902677][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2147.902677][   T10]      ___sys_sendmsg+0xee/0x170
[ 2147.902677][   T10]      __sys_sendmsg+0xcd/0x170
[ 2147.902677][   T10]      do_syscall_64+0xc6/0x1e0
[ 2147.902677][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2147.902677][   T10] 
[ 2158.143893][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2158.144406][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2158.144406][   T10]      dst_init+0x84/0x4a0
[ 2158.144406][   T10]      dst_alloc+0x97/0x150
[ 2158.144406][   T10]      ip6_dst_alloc+0x23/0x90
[ 2158.144406][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2158.144406][   T10]      ip6_pol_route+0x56f/0x840
[ 2158.144406][   T10]      fib6_rule_lookup+0x456/0x630
[ 2158.144406][   T10]      ip6_route_input+0x59c/0xa50
[ 2158.144406][   T10]      ipv6_rcv+0x397/0x810
[ 2158.144406][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2158.144406][   T10]      process_backlog+0x101/0x620
[ 2158.144406][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2158.144406][   T10]      net_rx_action+0x495/0xbe0
[ 2158.144406][   T10]      __do_softirq+0x1b5/0x7f6
[ 2158.144406][   T10] 
[ 2158.146295][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2158.146295][   T10]      netdev_get_by_index+0x5e/0x80
[ 2158.146295][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2158.146295][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2158.146295][   T10]      ip6_route_add+0x1c/0x140
[ 2158.146295][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2158.146295][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2158.146295][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2158.146295][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2158.146295][   T10]      netlink_rcv_skb+0x130/0x360
[ 2158.146295][   T10]      netlink_unicast+0x449/0x710
[ 2158.146295][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2158.146295][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2158.146295][   T10]      ___sys_sendmsg+0xee/0x170
[ 2158.146295][   T10]      __sys_sendmsg+0xcd/0x170
[ 2158.146295][   T10]      do_syscall_64+0xc6/0x1e0
[ 2158.146295][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2158.146295][   T10] 
[ 2158.148313][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2158.148313][   T10]      netdev_get_by_index+0x5e/0x80
[ 2158.148313][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2158.148313][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2158.148313][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2158.148313][   T10]      ipv6_add_addr+0x411/0x2000
[ 2158.148313][   T10]      inet6_addr_add+0x30e/0xa40
[ 2158.148313][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2158.148313][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2158.148313][   T10]      netlink_rcv_skb+0x130/0x360
[ 2158.148313][   T10]      netlink_unicast+0x449/0x710
[ 2158.148313][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2158.148313][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2158.148313][   T10]      ___sys_sendmsg+0xee/0x170
[ 2158.148313][   T10]      __sys_sendmsg+0xcd/0x170
[ 2158.148313][   T10]      do_syscall_64+0xc6/0x1e0
[ 2158.148313][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2158.148313][   T10] 
[ 2158.150330][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2158.150330][   T10]      netdev_get_by_index+0x5e/0x80
[ 2158.150330][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2158.150330][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2158.150330][   T10]      ip6_route_add+0x1c/0x140
[ 2158.150330][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2158.150330][   T10]      addrconf_add_dev+0xe2/0x170
[ 2158.150330][   T10]      inet6_addr_add+0x12f/0xa40
[ 2158.150330][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2158.150330][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2158.150330][   T10]      netlink_rcv_skb+0x130/0x360
[ 2158.150330][   T10]      netlink_unicast+0x449/0x710
[ 2158.150330][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2158.150330][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2158.150330][   T10]      ___sys_sendmsg+0xee/0x170
[ 2158.150330][   T10]      __sys_sendmsg+0xcd/0x170
[ 2158.150330][   T10]      do_syscall_64+0xc6/0x1e0
[ 2158.150330][   T10] 
[ 2158.152340][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2158.152340][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2158.152340][   T10]      ipv6_find_idev+0x102/0x170
[ 2158.152340][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2158.152340][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2158.152340][   T10]      netlink_rcv_skb+0x130/0x360
[ 2158.152340][   T10]      netlink_unicast+0x449/0x710
[ 2158.152340][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2158.152340][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2158.152340][   T10]      ___sys_sendmsg+0xee/0x170
[ 2158.152340][   T10]      __sys_sendmsg+0xcd/0x170
[ 2158.152340][   T10]      do_syscall_64+0xc6/0x1e0
[ 2158.152340][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2158.152340][   T10] 
[ 2158.153920][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2158.153920][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2158.153920][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2158.153920][   T10]      ipv6_find_idev+0x102/0x170
[ 2158.153920][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2158.153920][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2158.153920][   T10]      netlink_rcv_skb+0x130/0x360
[ 2158.153920][   T10]      netlink_unicast+0x449/0x710
[ 2158.153920][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2158.153920][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2158.153920][   T10]      ___sys_sendmsg+0xee/0x170
[ 2158.153920][   T10]      __sys_sendmsg+0xcd/0x170
[ 2158.153920][   T10]      do_syscall_64+0xc6/0x1e0
[ 2158.153920][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2158.153920][   T10] 
[ 2158.155662][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2158.155935][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2158.155935][   T10]      netdev_get_by_index+0x5e/0x80
[ 2158.155935][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2158.155935][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2158.155935][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2158.155935][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2158.155935][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2158.155935][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2158.155935][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2158.155935][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2158.155935][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2158.155935][   T10]      vfs_write+0x9e5/0x10a0
[ 2158.155935][   T10]      ksys_write+0xf5/0x1e0
[ 2158.155935][   T10]      do_syscall_64+0xc6/0x1e0
[ 2158.155935][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2158.155935][   T10] 
[ 2158.157764][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2158.157764][   T10]      netdev_get_by_index+0x5e/0x80
[ 2158.157764][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2158.157764][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2158.157764][   T10]      ip6_route_add+0x1c/0x140
[ 2158.157764][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2158.157764][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2158.157764][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2158.157764][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2158.157764][   T10]      netlink_rcv_skb+0x130/0x360
[ 2158.157764][   T10]      netlink_unicast+0x449/0x710
[ 2158.157764][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2158.157764][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2158.157764][   T10]      ___sys_sendmsg+0xee/0x170
[ 2158.157764][   T10]      __sys_sendmsg+0xcd/0x170
[ 2158.157764][   T10]      do_syscall_64+0xc6/0x1e0
[ 2158.157764][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2158.157764][   T10] 
[ 2158.159770][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2158.159770][   T10]      netdev_get_by_index+0x5e/0x80
[ 2158.159770][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2158.159770][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2158.159770][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2158.159770][   T10]      ipv6_add_addr+0x411/0x2000
[ 2158.159770][   T10]      inet6_addr_add+0x30e/0xa40
[ 2158.159770][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2158.159770][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2158.159770][   T10]      netlink_rcv_skb+0x130/0x360
[ 2158.159770][   T10]      netlink_unicast+0x449/0x710
[ 2158.159770][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2158.159770][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2158.159770][   T10]      ___sys_sendmsg+0xee/0x170
[ 2158.159770][   T10]      __sys_sendmsg+0xcd/0x170
[ 2158.159770][   T10]      do_syscall_64+0xc6/0x1e0
[ 2158.159770][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2158.159770][   T10] 
[ 2158.161814][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2158.161814][   T10]      netdev_get_by_index+0x5e/0x80
[ 2158.161814][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2158.161814][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2158.161814][   T10]      ip6_route_add+0x1c/0x140
[ 2158.161814][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2158.161814][   T10]      addrconf_add_dev+0xe2/0x170
[ 2158.161814][   T10]      inet6_addr_add+0x12f/0xa40
[ 2158.161814][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2158.161814][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2158.161814][   T10]      netlink_rcv_skb+0x130/0x360
[ 2158.161814][   T10]      netlink_unicast+0x449/0x710
[ 2158.161814][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2158.161814][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2158.161814][   T10]      ___sys_sendmsg+0xee/0x170
[ 2158.161814][   T10]      __sys_sendmsg+0xcd/0x170
[ 2158.161814][   T10]      do_syscall_64+0xc6/0x1e0
[ 2158.161814][   T10] 
[ 2158.163821][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2158.163821][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2158.163821][   T10]      ipv6_find_idev+0x102/0x170
[ 2158.163821][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2158.163821][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2158.163821][   T10]      netlink_rcv_skb+0x130/0x360
[ 2158.163821][   T10]      netlink_unicast+0x449/0x710
[ 2158.163821][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2158.163821][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2158.163821][   T10]      ___sys_sendmsg+0xee/0x170
[ 2158.163821][   T10]      __sys_sendmsg+0xcd/0x170
[ 2158.163821][   T10]      do_syscall_64+0xc6/0x1e0
[ 2158.163821][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2158.163821][   T10] 
[ 2158.165389][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2158.165389][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2158.165389][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2158.165389][   T10]      ipv6_find_idev+0x102/0x170
[ 2158.165389][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2158.165389][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2158.165389][   T10]      netlink_rcv_skb+0x130/0x360
[ 2158.165389][   T10]      netlink_unicast+0x449/0x710
[ 2158.165389][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2158.165389][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2158.165389][   T10]      ___sys_sendmsg+0xee/0x170
[ 2158.165389][   T10]      __sys_sendmsg+0xcd/0x170
[ 2158.165389][   T10]      do_syscall_64+0xc6/0x1e0
[ 2158.165389][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2158.165389][   T10] 
[ 2168.407864][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2168.408500][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2168.408500][   T10]      dst_init+0x84/0x4a0
[ 2168.408500][   T10]      dst_alloc+0x97/0x150
[ 2168.408500][   T10]      ip6_dst_alloc+0x23/0x90
[ 2168.408500][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2168.408500][   T10]      ip6_pol_route+0x56f/0x840
[ 2168.408500][   T10]      fib6_rule_lookup+0x456/0x630
[ 2168.408500][   T10]      ip6_route_input+0x59c/0xa50
[ 2168.408500][   T10]      ipv6_rcv+0x397/0x810
[ 2168.408500][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2168.408500][   T10]      process_backlog+0x101/0x620
[ 2168.408500][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2168.408500][   T10]      net_rx_action+0x495/0xbe0
[ 2168.408500][   T10]      __do_softirq+0x1b5/0x7f6
[ 2168.408500][   T10] 
[ 2168.410155][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2168.410155][   T10]      netdev_get_by_index+0x5e/0x80
[ 2168.410155][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2168.410155][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2168.410155][   T10]      ip6_route_add+0x1c/0x140
[ 2168.410155][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2168.410155][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2168.410155][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2168.410155][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2168.410155][   T10]      netlink_rcv_skb+0x130/0x360
[ 2168.410155][   T10]      netlink_unicast+0x449/0x710
[ 2168.410155][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2168.410155][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2168.410155][   T10]      ___sys_sendmsg+0xee/0x170
[ 2168.410155][   T10]      __sys_sendmsg+0xcd/0x170
[ 2168.410155][   T10]      do_syscall_64+0xc6/0x1e0
[ 2168.410155][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2168.410155][   T10] 
[ 2168.412188][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2168.412188][   T10]      netdev_get_by_index+0x5e/0x80
[ 2168.412188][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2168.412188][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2168.412188][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2168.412188][   T10]      ipv6_add_addr+0x411/0x2000
[ 2168.412188][   T10]      inet6_addr_add+0x30e/0xa40
[ 2168.412188][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2168.412188][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2168.412188][   T10]      netlink_rcv_skb+0x130/0x360
[ 2168.412188][   T10]      netlink_unicast+0x449/0x710
[ 2168.412188][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2168.412188][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2168.412188][   T10]      ___sys_sendmsg+0xee/0x170
[ 2168.412188][   T10]      __sys_sendmsg+0xcd/0x170
[ 2168.412188][   T10]      do_syscall_64+0xc6/0x1e0
[ 2168.412188][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2168.412188][   T10] 
[ 2168.414173][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2168.414173][   T10]      netdev_get_by_index+0x5e/0x80
[ 2168.414173][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2168.414173][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2168.414173][   T10]      ip6_route_add+0x1c/0x140
[ 2168.414173][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2168.414173][   T10]      addrconf_add_dev+0xe2/0x170
[ 2168.414173][   T10]      inet6_addr_add+0x12f/0xa40
[ 2168.414173][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2168.414173][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2168.414173][   T10]      netlink_rcv_skb+0x130/0x360
[ 2168.414173][   T10]      netlink_unicast+0x449/0x710
[ 2168.414173][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2168.414173][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2168.414173][   T10]      ___sys_sendmsg+0xee/0x170
[ 2168.414173][   T10]      __sys_sendmsg+0xcd/0x170
[ 2168.414173][   T10]      do_syscall_64+0xc6/0x1e0
[ 2168.414173][   T10] 
[ 2168.416199][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2168.416199][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2168.416199][   T10]      ipv6_find_idev+0x102/0x170
[ 2168.416199][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2168.416199][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2168.416199][   T10]      netlink_rcv_skb+0x130/0x360
[ 2168.416199][   T10]      netlink_unicast+0x449/0x710
[ 2168.416199][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2168.416199][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2168.416199][   T10]      ___sys_sendmsg+0xee/0x170
[ 2168.416199][   T10]      __sys_sendmsg+0xcd/0x170
[ 2168.416199][   T10]      do_syscall_64+0xc6/0x1e0
[ 2168.416199][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2168.416199][   T10] 
[ 2168.417739][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2168.417739][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2168.417739][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2168.417739][   T10]      ipv6_find_idev+0x102/0x170
[ 2168.417739][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2168.417739][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2168.417739][   T10]      netlink_rcv_skb+0x130/0x360
[ 2168.417739][   T10]      netlink_unicast+0x449/0x710
[ 2168.417739][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2168.417739][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2168.417739][   T10]      ___sys_sendmsg+0xee/0x170
[ 2168.417739][   T10]      __sys_sendmsg+0xcd/0x170
[ 2168.417739][   T10]      do_syscall_64+0xc6/0x1e0
[ 2168.417739][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2168.417739][   T10] 
[ 2168.419385][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2168.419626][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2168.419626][   T10]      netdev_get_by_index+0x5e/0x80
[ 2168.419626][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2168.419626][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2168.419626][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2168.419626][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2168.419626][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2168.419626][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2168.419626][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2168.419626][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2168.419626][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2168.419626][   T10]      vfs_write+0x9e5/0x10a0
[ 2168.419626][   T10]      ksys_write+0xf5/0x1e0
[ 2168.419626][   T10]      do_syscall_64+0xc6/0x1e0
[ 2168.419626][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2168.419626][   T10] 
[ 2168.421417][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2168.421417][   T10]      netdev_get_by_index+0x5e/0x80
[ 2168.421417][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2168.421417][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2168.421417][   T10]      ip6_route_add+0x1c/0x140
[ 2168.421417][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2168.421417][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2168.421417][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2168.421417][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2168.421417][   T10]      netlink_rcv_skb+0x130/0x360
[ 2168.421417][   T10]      netlink_unicast+0x449/0x710
[ 2168.421417][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2168.421417][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2168.421417][   T10]      ___sys_sendmsg+0xee/0x170
[ 2168.421417][   T10]      __sys_sendmsg+0xcd/0x170
[ 2168.421417][   T10]      do_syscall_64+0xc6/0x1e0
[ 2168.421417][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2168.421417][   T10] 
[ 2168.423412][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2168.423412][   T10]      netdev_get_by_index+0x5e/0x80
[ 2168.423412][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2168.423412][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2168.423412][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2168.423412][   T10]      ipv6_add_addr+0x411/0x2000
[ 2168.423412][   T10]      inet6_addr_add+0x30e/0xa40
[ 2168.423412][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2168.423412][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2168.423412][   T10]      netlink_rcv_skb+0x130/0x360
[ 2168.423412][   T10]      netlink_unicast+0x449/0x710
[ 2168.423412][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2168.423412][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2168.423412][   T10]      ___sys_sendmsg+0xee/0x170
[ 2168.423412][   T10]      __sys_sendmsg+0xcd/0x170
[ 2168.423412][   T10]      do_syscall_64+0xc6/0x1e0
[ 2168.423412][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2168.423412][   T10] 
[ 2168.425430][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2168.425430][   T10]      netdev_get_by_index+0x5e/0x80
[ 2168.425430][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2168.425430][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2168.425430][   T10]      ip6_route_add+0x1c/0x140
[ 2168.425430][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2168.425430][   T10]      addrconf_add_dev+0xe2/0x170
[ 2168.425430][   T10]      inet6_addr_add+0x12f/0xa40
[ 2168.425430][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2168.425430][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2168.425430][   T10]      netlink_rcv_skb+0x130/0x360
[ 2168.425430][   T10]      netlink_unicast+0x449/0x710
[ 2168.425430][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2168.425430][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2168.425430][   T10]      ___sys_sendmsg+0xee/0x170
[ 2168.425430][   T10]      __sys_sendmsg+0xcd/0x170
[ 2168.425430][   T10]      do_syscall_64+0xc6/0x1e0
[ 2168.425430][   T10] 
[ 2168.427419][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2168.427419][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2168.427419][   T10]      ipv6_find_idev+0x102/0x170
[ 2168.427419][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2168.427419][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2168.427419][   T10]      netlink_rcv_skb+0x130/0x360
[ 2168.427419][   T10]      netlink_unicast+0x449/0x710
[ 2168.427419][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2168.427419][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2168.427419][   T10]      ___sys_sendmsg+0xee/0x170
[ 2168.427419][   T10]      __sys_sendmsg+0xcd/0x170
[ 2168.427419][   T10]      do_syscall_64+0xc6/0x1e0
[ 2168.427419][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2168.427419][   T10] 
[ 2168.428934][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2168.428934][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2168.428934][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2168.428934][   T10]      ipv6_find_idev+0x102/0x170
[ 2168.428934][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2168.428934][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2168.428934][   T10]      netlink_rcv_skb+0x130/0x360
[ 2168.428934][   T10]      netlink_unicast+0x449/0x710
[ 2168.428934][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2168.428934][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2168.428934][   T10]      ___sys_sendmsg+0xee/0x170
[ 2168.428934][   T10]      __sys_sendmsg+0xcd/0x170
[ 2168.428934][   T10]      do_syscall_64+0xc6/0x1e0
[ 2168.428934][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2168.428934][   T10] 
[ 2178.671962][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2178.672430][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2178.672430][   T10]      dst_init+0x84/0x4a0
[ 2178.672430][   T10]      dst_alloc+0x97/0x150
[ 2178.672430][   T10]      ip6_dst_alloc+0x23/0x90
[ 2178.672430][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2178.672430][   T10]      ip6_pol_route+0x56f/0x840
[ 2178.672430][   T10]      fib6_rule_lookup+0x456/0x630
[ 2178.672430][   T10]      ip6_route_input+0x59c/0xa50
[ 2178.672430][   T10]      ipv6_rcv+0x397/0x810
[ 2178.672430][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2178.672430][   T10]      process_backlog+0x101/0x620
[ 2178.672430][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2178.672430][   T10]      net_rx_action+0x495/0xbe0
[ 2178.672430][   T10]      __do_softirq+0x1b5/0x7f6
[ 2178.672430][   T10] 
[ 2178.674067][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2178.674067][   T10]      netdev_get_by_index+0x5e/0x80
[ 2178.674067][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2178.674067][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2178.674067][   T10]      ip6_route_add+0x1c/0x140
[ 2178.674067][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2178.674067][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2178.674067][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2178.674067][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2178.674067][   T10]      netlink_rcv_skb+0x130/0x360
[ 2178.674067][   T10]      netlink_unicast+0x449/0x710
[ 2178.674067][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2178.674067][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2178.674067][   T10]      ___sys_sendmsg+0xee/0x170
[ 2178.674067][   T10]      __sys_sendmsg+0xcd/0x170
[ 2178.674067][   T10]      do_syscall_64+0xc6/0x1e0
[ 2178.674067][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2178.674067][   T10] 
[ 2178.676066][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2178.676066][   T10]      netdev_get_by_index+0x5e/0x80
[ 2178.676066][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2178.676066][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2178.676066][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2178.676066][   T10]      ipv6_add_addr+0x411/0x2000
[ 2178.676066][   T10]      inet6_addr_add+0x30e/0xa40
[ 2178.676066][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2178.676066][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2178.676066][   T10]      netlink_rcv_skb+0x130/0x360
[ 2178.676066][   T10]      netlink_unicast+0x449/0x710
[ 2178.676066][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2178.676066][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2178.676066][   T10]      ___sys_sendmsg+0xee/0x170
[ 2178.676066][   T10]      __sys_sendmsg+0xcd/0x170
[ 2178.676066][   T10]      do_syscall_64+0xc6/0x1e0
[ 2178.676066][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2178.676066][   T10] 
[ 2178.678063][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2178.678063][   T10]      netdev_get_by_index+0x5e/0x80
[ 2178.678063][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2178.678063][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2178.678063][   T10]      ip6_route_add+0x1c/0x140
[ 2178.678063][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2178.678063][   T10]      addrconf_add_dev+0xe2/0x170
[ 2178.678063][   T10]      inet6_addr_add+0x12f/0xa40
[ 2178.678063][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2178.678063][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2178.678063][   T10]      netlink_rcv_skb+0x130/0x360
[ 2178.678063][   T10]      netlink_unicast+0x449/0x710
[ 2178.678063][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2178.678063][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2178.678063][   T10]      ___sys_sendmsg+0xee/0x170
[ 2178.678063][   T10]      __sys_sendmsg+0xcd/0x170
[ 2178.678063][   T10]      do_syscall_64+0xc6/0x1e0
[ 2178.678063][   T10] 
[ 2178.680034][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2178.680034][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2178.680034][   T10]      ipv6_find_idev+0x102/0x170
[ 2178.680034][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2178.680034][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2178.680034][   T10]      netlink_rcv_skb+0x130/0x360
[ 2178.680034][   T10]      netlink_unicast+0x449/0x710
[ 2178.680034][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2178.680034][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2178.680034][   T10]      ___sys_sendmsg+0xee/0x170
[ 2178.680034][   T10]      __sys_sendmsg+0xcd/0x170
[ 2178.680034][   T10]      do_syscall_64+0xc6/0x1e0
[ 2178.680034][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2178.680034][   T10] 
[ 2178.681567][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2178.681567][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2178.681567][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2178.681567][   T10]      ipv6_find_idev+0x102/0x170
[ 2178.681567][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2178.681567][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2178.681567][   T10]      netlink_rcv_skb+0x130/0x360
[ 2178.681567][   T10]      netlink_unicast+0x449/0x710
[ 2178.681567][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2178.681567][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2178.681567][   T10]      ___sys_sendmsg+0xee/0x170
[ 2178.681567][   T10]      __sys_sendmsg+0xcd/0x170
[ 2178.681567][   T10]      do_syscall_64+0xc6/0x1e0
[ 2178.681567][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2178.681567][   T10] 
[ 2178.683266][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2178.683512][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2178.683512][   T10]      netdev_get_by_index+0x5e/0x80
[ 2178.683512][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2178.683512][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2178.683512][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2178.683512][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2178.683512][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2178.683512][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2178.683512][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2178.683512][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2178.683512][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2178.683512][   T10]      vfs_write+0x9e5/0x10a0
[ 2178.683512][   T10]      ksys_write+0xf5/0x1e0
[ 2178.683512][   T10]      do_syscall_64+0xc6/0x1e0
[ 2178.683512][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2178.683512][   T10] 
[ 2178.685345][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2178.685345][   T10]      netdev_get_by_index+0x5e/0x80
[ 2178.685345][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2178.685345][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2178.685345][   T10]      ip6_route_add+0x1c/0x140
[ 2178.685345][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2178.685345][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2178.685345][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2178.685345][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2178.685345][   T10]      netlink_rcv_skb+0x130/0x360
[ 2178.685345][   T10]      netlink_unicast+0x449/0x710
[ 2178.685345][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2178.685345][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2178.685345][   T10]      ___sys_sendmsg+0xee/0x170
[ 2178.685345][   T10]      __sys_sendmsg+0xcd/0x170
[ 2178.685345][   T10]      do_syscall_64+0xc6/0x1e0
[ 2178.685345][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2178.685345][   T10] 
[ 2178.687345][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2178.687345][   T10]      netdev_get_by_index+0x5e/0x80
[ 2178.687345][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2178.687345][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2178.687345][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2178.687345][   T10]      ipv6_add_addr+0x411/0x2000
[ 2178.687345][   T10]      inet6_addr_add+0x30e/0xa40
[ 2178.687345][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2178.687345][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2178.687345][   T10]      netlink_rcv_skb+0x130/0x360
[ 2178.687345][   T10]      netlink_unicast+0x449/0x710
[ 2178.687345][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2178.687345][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2178.687345][   T10]      ___sys_sendmsg+0xee/0x170
[ 2178.687345][   T10]      __sys_sendmsg+0xcd/0x170
[ 2178.687345][   T10]      do_syscall_64+0xc6/0x1e0
[ 2178.687345][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2178.687345][   T10] 
[ 2178.689348][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2178.689348][   T10]      netdev_get_by_index+0x5e/0x80
[ 2178.689348][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2178.689348][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2178.689348][   T10]      ip6_route_add+0x1c/0x140
[ 2178.689348][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2178.689348][   T10]      addrconf_add_dev+0xe2/0x170
[ 2178.689348][   T10]      inet6_addr_add+0x12f/0xa40
[ 2178.689348][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2178.689348][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2178.689348][   T10]      netlink_rcv_skb+0x130/0x360
[ 2178.689348][   T10]      netlink_unicast+0x449/0x710
[ 2178.689348][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2178.689348][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2178.689348][   T10]      ___sys_sendmsg+0xee/0x170
[ 2178.689348][   T10]      __sys_sendmsg+0xcd/0x170
[ 2178.689348][   T10]      do_syscall_64+0xc6/0x1e0
[ 2178.689348][   T10] 
[ 2178.691310][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2178.691310][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2178.691310][   T10]      ipv6_find_idev+0x102/0x170
[ 2178.691310][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2178.691310][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2178.691310][   T10]      netlink_rcv_skb+0x130/0x360
[ 2178.691310][   T10]      netlink_unicast+0x449/0x710
[ 2178.691310][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2178.691310][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2178.691310][   T10]      ___sys_sendmsg+0xee/0x170
[ 2178.691310][   T10]      __sys_sendmsg+0xcd/0x170
[ 2178.691310][   T10]      do_syscall_64+0xc6/0x1e0
[ 2178.691310][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2178.691310][   T10] 
[ 2178.692870][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2178.692870][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2178.692870][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2178.692870][   T10]      ipv6_find_idev+0x102/0x170
[ 2178.692870][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2178.692870][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2178.692870][   T10]      netlink_rcv_skb+0x130/0x360
[ 2178.692870][   T10]      netlink_unicast+0x449/0x710
[ 2178.692870][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2178.692870][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2178.692870][   T10]      ___sys_sendmsg+0xee/0x170
[ 2178.692870][   T10]      __sys_sendmsg+0xcd/0x170
[ 2178.692870][   T10]      do_syscall_64+0xc6/0x1e0
[ 2178.692870][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2178.692870][   T10] 
[ 2188.791857][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2188.792302][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2188.792302][   T10]      dst_init+0x84/0x4a0
[ 2188.792302][   T10]      dst_alloc+0x97/0x150
[ 2188.792302][   T10]      ip6_dst_alloc+0x23/0x90
[ 2188.792302][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2188.792302][   T10]      ip6_pol_route+0x56f/0x840
[ 2188.792302][   T10]      fib6_rule_lookup+0x456/0x630
[ 2188.792302][   T10]      ip6_route_input+0x59c/0xa50
[ 2188.792302][   T10]      ipv6_rcv+0x397/0x810
[ 2188.792302][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2188.792302][   T10]      process_backlog+0x101/0x620
[ 2188.792302][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2188.792302][   T10]      net_rx_action+0x495/0xbe0
[ 2188.792302][   T10]      __do_softirq+0x1b5/0x7f6
[ 2188.792302][   T10] 
[ 2188.793953][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2188.793953][   T10]      netdev_get_by_index+0x5e/0x80
[ 2188.793953][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2188.793953][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2188.793953][   T10]      ip6_route_add+0x1c/0x140
[ 2188.793953][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2188.793953][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2188.793953][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2188.793953][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2188.793953][   T10]      netlink_rcv_skb+0x130/0x360
[ 2188.793953][   T10]      netlink_unicast+0x449/0x710
[ 2188.793953][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2188.793953][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2188.793953][   T10]      ___sys_sendmsg+0xee/0x170
[ 2188.793953][   T10]      __sys_sendmsg+0xcd/0x170
[ 2188.793953][   T10]      do_syscall_64+0xc6/0x1e0
[ 2188.793953][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2188.793953][   T10] 
[ 2188.795995][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2188.795995][   T10]      netdev_get_by_index+0x5e/0x80
[ 2188.795995][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2188.795995][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2188.795995][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2188.795995][   T10]      ipv6_add_addr+0x411/0x2000
[ 2188.795995][   T10]      inet6_addr_add+0x30e/0xa40
[ 2188.795995][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2188.795995][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2188.795995][   T10]      netlink_rcv_skb+0x130/0x360
[ 2188.795995][   T10]      netlink_unicast+0x449/0x710
[ 2188.795995][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2188.795995][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2188.795995][   T10]      ___sys_sendmsg+0xee/0x170
[ 2188.795995][   T10]      __sys_sendmsg+0xcd/0x170
[ 2188.795995][   T10]      do_syscall_64+0xc6/0x1e0
[ 2188.795995][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2188.795995][   T10] 
[ 2188.797956][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2188.797956][   T10]      netdev_get_by_index+0x5e/0x80
[ 2188.797956][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2188.797956][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2188.797956][   T10]      ip6_route_add+0x1c/0x140
[ 2188.797956][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2188.797956][   T10]      addrconf_add_dev+0xe2/0x170
[ 2188.797956][   T10]      inet6_addr_add+0x12f/0xa40
[ 2188.797956][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2188.797956][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2188.797956][   T10]      netlink_rcv_skb+0x130/0x360
[ 2188.797956][   T10]      netlink_unicast+0x449/0x710
[ 2188.797956][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2188.797956][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2188.797956][   T10]      ___sys_sendmsg+0xee/0x170
[ 2188.797956][   T10]      __sys_sendmsg+0xcd/0x170
[ 2188.797956][   T10]      do_syscall_64+0xc6/0x1e0
[ 2188.797956][   T10] 
[ 2188.799921][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2188.799921][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2188.799921][   T10]      ipv6_find_idev+0x102/0x170
[ 2188.799921][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2188.799921][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2188.799921][   T10]      netlink_rcv_skb+0x130/0x360
[ 2188.799921][   T10]      netlink_unicast+0x449/0x710
[ 2188.799921][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2188.799921][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2188.799921][   T10]      ___sys_sendmsg+0xee/0x170
[ 2188.799921][   T10]      __sys_sendmsg+0xcd/0x170
[ 2188.799921][   T10]      do_syscall_64+0xc6/0x1e0
[ 2188.799921][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2188.799921][   T10] 
[ 2188.801462][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2188.801462][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2188.801462][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2188.801462][   T10]      ipv6_find_idev+0x102/0x170
[ 2188.801462][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2188.801462][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2188.801462][   T10]      netlink_rcv_skb+0x130/0x360
[ 2188.801462][   T10]      netlink_unicast+0x449/0x710
[ 2188.801462][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2188.801462][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2188.801462][   T10]      ___sys_sendmsg+0xee/0x170
[ 2188.801462][   T10]      __sys_sendmsg+0xcd/0x170
[ 2188.801462][   T10]      do_syscall_64+0xc6/0x1e0
[ 2188.801462][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2188.801462][   T10] 
[ 2188.803189][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2188.803438][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2188.803438][   T10]      netdev_get_by_index+0x5e/0x80
[ 2188.803438][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2188.803438][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2188.803438][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2188.803438][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2188.803438][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2188.803438][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2188.803438][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2188.803438][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2188.803438][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2188.803438][   T10]      vfs_write+0x9e5/0x10a0
[ 2188.803438][   T10]      ksys_write+0xf5/0x1e0
[ 2188.803438][   T10]      do_syscall_64+0xc6/0x1e0
[ 2188.803438][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2188.803438][   T10] 
[ 2188.805294][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2188.805294][   T10]      netdev_get_by_index+0x5e/0x80
[ 2188.805294][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2188.805294][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2188.805294][   T10]      ip6_route_add+0x1c/0x140
[ 2188.805294][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2188.805294][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2188.805294][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2188.805294][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2188.805294][   T10]      netlink_rcv_skb+0x130/0x360
[ 2188.805294][   T10]      netlink_unicast+0x449/0x710
[ 2188.805294][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2188.805294][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2188.805294][   T10]      ___sys_sendmsg+0xee/0x170
[ 2188.805294][   T10]      __sys_sendmsg+0xcd/0x170
[ 2188.805294][   T10]      do_syscall_64+0xc6/0x1e0
[ 2188.805294][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2188.805294][   T10] 
[ 2188.807382][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2188.807382][   T10]      netdev_get_by_index+0x5e/0x80
[ 2188.807382][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2188.807382][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2188.807382][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2188.807382][   T10]      ipv6_add_addr+0x411/0x2000
[ 2188.807382][   T10]      inet6_addr_add+0x30e/0xa40
[ 2188.807382][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2188.807382][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2188.807382][   T10]      netlink_rcv_skb+0x130/0x360
[ 2188.807382][   T10]      netlink_unicast+0x449/0x710
[ 2188.807382][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2188.807382][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2188.807382][   T10]      ___sys_sendmsg+0xee/0x170
[ 2188.807382][   T10]      __sys_sendmsg+0xcd/0x170
[ 2188.807382][   T10]      do_syscall_64+0xc6/0x1e0
[ 2188.807382][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2188.807382][   T10] 
[ 2188.809410][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2188.809410][   T10]      netdev_get_by_index+0x5e/0x80
[ 2188.809410][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2188.809410][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2188.809410][   T10]      ip6_route_add+0x1c/0x140
[ 2188.809410][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2188.809410][   T10]      addrconf_add_dev+0xe2/0x170
[ 2188.809410][   T10]      inet6_addr_add+0x12f/0xa40
[ 2188.809410][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2188.809410][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2188.809410][   T10]      netlink_rcv_skb+0x130/0x360
[ 2188.809410][   T10]      netlink_unicast+0x449/0x710
[ 2188.809410][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2188.809410][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2188.809410][   T10]      ___sys_sendmsg+0xee/0x170
[ 2188.809410][   T10]      __sys_sendmsg+0xcd/0x170
[ 2188.809410][   T10]      do_syscall_64+0xc6/0x1e0
[ 2188.809410][   T10] 
[ 2188.811369][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2188.811369][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2188.811369][   T10]      ipv6_find_idev+0x102/0x170
[ 2188.811369][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2188.811369][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2188.811369][   T10]      netlink_rcv_skb+0x130/0x360
[ 2188.811369][   T10]      netlink_unicast+0x449/0x710
[ 2188.811369][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2188.811369][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2188.811369][   T10]      ___sys_sendmsg+0xee/0x170
[ 2188.811369][   T10]      __sys_sendmsg+0xcd/0x170
[ 2188.811369][   T10]      do_syscall_64+0xc6/0x1e0
[ 2188.811369][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2188.811369][   T10] 
[ 2188.812905][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2188.812905][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2188.812905][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2188.812905][   T10]      ipv6_find_idev+0x102/0x170
[ 2188.812905][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2188.812905][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2188.812905][   T10]      netlink_rcv_skb+0x130/0x360
[ 2188.812905][   T10]      netlink_unicast+0x449/0x710
[ 2188.812905][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2188.812905][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2188.812905][   T10]      ___sys_sendmsg+0xee/0x170
[ 2188.812905][   T10]      __sys_sendmsg+0xcd/0x170
[ 2188.812905][   T10]      do_syscall_64+0xc6/0x1e0
[ 2188.812905][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2188.812905][   T10] 
[ 2199.039887][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2199.040364][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2199.040364][   T10]      dst_init+0x84/0x4a0
[ 2199.040364][   T10]      dst_alloc+0x97/0x150
[ 2199.040364][   T10]      ip6_dst_alloc+0x23/0x90
[ 2199.040364][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2199.040364][   T10]      ip6_pol_route+0x56f/0x840
[ 2199.040364][   T10]      fib6_rule_lookup+0x456/0x630
[ 2199.040364][   T10]      ip6_route_input+0x59c/0xa50
[ 2199.040364][   T10]      ipv6_rcv+0x397/0x810
[ 2199.040364][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2199.040364][   T10]      process_backlog+0x101/0x620
[ 2199.040364][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2199.040364][   T10]      net_rx_action+0x495/0xbe0
[ 2199.040364][   T10]      __do_softirq+0x1b5/0x7f6
[ 2199.040364][   T10] 
[ 2199.042003][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2199.042003][   T10]      netdev_get_by_index+0x5e/0x80
[ 2199.042003][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2199.042003][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2199.042003][   T10]      ip6_route_add+0x1c/0x140
[ 2199.042003][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2199.042003][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2199.042003][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2199.042003][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2199.042003][   T10]      netlink_rcv_skb+0x130/0x360
[ 2199.042003][   T10]      netlink_unicast+0x449/0x710
[ 2199.042003][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2199.042003][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2199.042003][   T10]      ___sys_sendmsg+0xee/0x170
[ 2199.042003][   T10]      __sys_sendmsg+0xcd/0x170
[ 2199.042003][   T10]      do_syscall_64+0xc6/0x1e0
[ 2199.042003][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2199.042003][   T10] 
[ 2199.044006][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2199.044006][   T10]      netdev_get_by_index+0x5e/0x80
[ 2199.044006][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2199.044006][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2199.044006][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2199.044006][   T10]      ipv6_add_addr+0x411/0x2000
[ 2199.044006][   T10]      inet6_addr_add+0x30e/0xa40
[ 2199.044006][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2199.044006][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2199.044006][   T10]      netlink_rcv_skb+0x130/0x360
[ 2199.044006][   T10]      netlink_unicast+0x449/0x710
[ 2199.044006][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2199.044006][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2199.044006][   T10]      ___sys_sendmsg+0xee/0x170
[ 2199.044006][   T10]      __sys_sendmsg+0xcd/0x170
[ 2199.044006][   T10]      do_syscall_64+0xc6/0x1e0
[ 2199.044006][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2199.044006][   T10] 
[ 2199.046033][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2199.046033][   T10]      netdev_get_by_index+0x5e/0x80
[ 2199.046033][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2199.046033][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2199.046033][   T10]      ip6_route_add+0x1c/0x140
[ 2199.046033][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2199.046033][   T10]      addrconf_add_dev+0xe2/0x170
[ 2199.046033][   T10]      inet6_addr_add+0x12f/0xa40
[ 2199.046033][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2199.046033][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2199.046033][   T10]      netlink_rcv_skb+0x130/0x360
[ 2199.046033][   T10]      netlink_unicast+0x449/0x710
[ 2199.046033][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2199.046033][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2199.046033][   T10]      ___sys_sendmsg+0xee/0x170
[ 2199.046033][   T10]      __sys_sendmsg+0xcd/0x170
[ 2199.046033][   T10]      do_syscall_64+0xc6/0x1e0
[ 2199.046033][   T10] 
[ 2199.047980][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2199.047980][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2199.047980][   T10]      ipv6_find_idev+0x102/0x170
[ 2199.047980][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2199.047980][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2199.047980][   T10]      netlink_rcv_skb+0x130/0x360
[ 2199.047980][   T10]      netlink_unicast+0x449/0x710
[ 2199.047980][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2199.047980][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2199.047980][   T10]      ___sys_sendmsg+0xee/0x170
[ 2199.047980][   T10]      __sys_sendmsg+0xcd/0x170
[ 2199.047980][   T10]      do_syscall_64+0xc6/0x1e0
[ 2199.047980][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2199.047980][   T10] 
[ 2199.049534][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2199.049534][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2199.049534][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2199.049534][   T10]      ipv6_find_idev+0x102/0x170
[ 2199.049534][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2199.049534][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2199.049534][   T10]      netlink_rcv_skb+0x130/0x360
[ 2199.049534][   T10]      netlink_unicast+0x449/0x710
[ 2199.049534][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2199.049534][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2199.049534][   T10]      ___sys_sendmsg+0xee/0x170
[ 2199.049534][   T10]      __sys_sendmsg+0xcd/0x170
[ 2199.049534][   T10]      do_syscall_64+0xc6/0x1e0
[ 2199.049534][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2199.049534][   T10] 
[ 2199.051217][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2199.051479][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2199.051479][   T10]      netdev_get_by_index+0x5e/0x80
[ 2199.051479][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2199.051479][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2199.051479][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2199.051479][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2199.051479][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2199.051479][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2199.051479][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2199.051479][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2199.051479][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2199.051479][   T10]      vfs_write+0x9e5/0x10a0
[ 2199.051479][   T10]      ksys_write+0xf5/0x1e0
[ 2199.051479][   T10]      do_syscall_64+0xc6/0x1e0
[ 2199.051479][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2199.051479][   T10] 
[ 2199.053301][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2199.053301][   T10]      netdev_get_by_index+0x5e/0x80
[ 2199.053301][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2199.053301][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2199.053301][   T10]      ip6_route_add+0x1c/0x140
[ 2199.053301][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2199.053301][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2199.053301][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2199.053301][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2199.053301][   T10]      netlink_rcv_skb+0x130/0x360
[ 2199.053301][   T10]      netlink_unicast+0x449/0x710
[ 2199.053301][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2199.053301][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2199.053301][   T10]      ___sys_sendmsg+0xee/0x170
[ 2199.053301][   T10]      __sys_sendmsg+0xcd/0x170
[ 2199.053301][   T10]      do_syscall_64+0xc6/0x1e0
[ 2199.053301][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2199.053301][   T10] 
[ 2199.055342][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2199.055342][   T10]      netdev_get_by_index+0x5e/0x80
[ 2199.055342][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2199.055342][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2199.055342][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2199.055342][   T10]      ipv6_add_addr+0x411/0x2000
[ 2199.055342][   T10]      inet6_addr_add+0x30e/0xa40
[ 2199.055342][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2199.055342][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2199.055342][   T10]      netlink_rcv_skb+0x130/0x360
[ 2199.055342][   T10]      netlink_unicast+0x449/0x710
[ 2199.055342][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2199.055342][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2199.055342][   T10]      ___sys_sendmsg+0xee/0x170
[ 2199.055342][   T10]      __sys_sendmsg+0xcd/0x170
[ 2199.055342][   T10]      do_syscall_64+0xc6/0x1e0
[ 2199.055342][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2199.055342][   T10] 
[ 2199.057355][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2199.057355][   T10]      netdev_get_by_index+0x5e/0x80
[ 2199.057355][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2199.057355][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2199.057355][   T10]      ip6_route_add+0x1c/0x140
[ 2199.057355][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2199.057355][   T10]      addrconf_add_dev+0xe2/0x170
[ 2199.057355][   T10]      inet6_addr_add+0x12f/0xa40
[ 2199.057355][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2199.057355][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2199.057355][   T10]      netlink_rcv_skb+0x130/0x360
[ 2199.057355][   T10]      netlink_unicast+0x449/0x710
[ 2199.057355][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2199.057355][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2199.057355][   T10]      ___sys_sendmsg+0xee/0x170
[ 2199.057355][   T10]      __sys_sendmsg+0xcd/0x170
[ 2199.057355][   T10]      do_syscall_64+0xc6/0x1e0
[ 2199.057355][   T10] 
[ 2199.059342][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2199.059342][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2199.059342][   T10]      ipv6_find_idev+0x102/0x170
[ 2199.059342][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2199.059342][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2199.059342][   T10]      netlink_rcv_skb+0x130/0x360
[ 2199.059342][   T10]      netlink_unicast+0x449/0x710
[ 2199.059342][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2199.059342][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2199.059342][   T10]      ___sys_sendmsg+0xee/0x170
[ 2199.059342][   T10]      __sys_sendmsg+0xcd/0x170
[ 2199.059342][   T10]      do_syscall_64+0xc6/0x1e0
[ 2199.059342][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2199.059342][   T10] 
[ 2199.060900][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2199.060900][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2199.060900][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2199.060900][   T10]      ipv6_find_idev+0x102/0x170
[ 2199.060900][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2199.060900][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2199.060900][   T10]      netlink_rcv_skb+0x130/0x360
[ 2199.060900][   T10]      netlink_unicast+0x449/0x710
[ 2199.060900][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2199.060900][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2199.060900][   T10]      ___sys_sendmsg+0xee/0x170
[ 2199.060900][   T10]      __sys_sendmsg+0xcd/0x170
[ 2199.060900][   T10]      do_syscall_64+0xc6/0x1e0
[ 2199.060900][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2199.060900][   T10] 
[ 2209.303893][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2209.304515][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2209.304515][   T10]      dst_init+0x84/0x4a0
[ 2209.304515][   T10]      dst_alloc+0x97/0x150
[ 2209.304515][   T10]      ip6_dst_alloc+0x23/0x90
[ 2209.304515][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2209.304515][   T10]      ip6_pol_route+0x56f/0x840
[ 2209.304515][   T10]      fib6_rule_lookup+0x456/0x630
[ 2209.304515][   T10]      ip6_route_input+0x59c/0xa50
[ 2209.304515][   T10]      ipv6_rcv+0x397/0x810
[ 2209.304515][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2209.304515][   T10]      process_backlog+0x101/0x620
[ 2209.304515][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2209.304515][   T10]      net_rx_action+0x495/0xbe0
[ 2209.304515][   T10]      __do_softirq+0x1b5/0x7f6
[ 2209.304515][   T10] 
[ 2209.306174][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2209.306174][   T10]      netdev_get_by_index+0x5e/0x80
[ 2209.306174][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2209.306174][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2209.306174][   T10]      ip6_route_add+0x1c/0x140
[ 2209.306174][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2209.306174][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2209.306174][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2209.306174][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2209.306174][   T10]      netlink_rcv_skb+0x130/0x360
[ 2209.306174][   T10]      netlink_unicast+0x449/0x710
[ 2209.306174][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2209.306174][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2209.306174][   T10]      ___sys_sendmsg+0xee/0x170
[ 2209.306174][   T10]      __sys_sendmsg+0xcd/0x170
[ 2209.306174][   T10]      do_syscall_64+0xc6/0x1e0
[ 2209.306174][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2209.306174][   T10] 
[ 2209.308152][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2209.308152][   T10]      netdev_get_by_index+0x5e/0x80
[ 2209.308152][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2209.308152][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2209.308152][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2209.308152][   T10]      ipv6_add_addr+0x411/0x2000
[ 2209.308152][   T10]      inet6_addr_add+0x30e/0xa40
[ 2209.308152][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2209.308152][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2209.308152][   T10]      netlink_rcv_skb+0x130/0x360
[ 2209.308152][   T10]      netlink_unicast+0x449/0x710
[ 2209.308152][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2209.308152][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2209.308152][   T10]      ___sys_sendmsg+0xee/0x170
[ 2209.308152][   T10]      __sys_sendmsg+0xcd/0x170
[ 2209.308152][   T10]      do_syscall_64+0xc6/0x1e0
[ 2209.308152][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2209.308152][   T10] 
[ 2209.310189][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2209.310189][   T10]      netdev_get_by_index+0x5e/0x80
[ 2209.310189][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2209.310189][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2209.310189][   T10]      ip6_route_add+0x1c/0x140
[ 2209.310189][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2209.310189][   T10]      addrconf_add_dev+0xe2/0x170
[ 2209.310189][   T10]      inet6_addr_add+0x12f/0xa40
[ 2209.310189][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2209.310189][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2209.310189][   T10]      netlink_rcv_skb+0x130/0x360
[ 2209.310189][   T10]      netlink_unicast+0x449/0x710
[ 2209.310189][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2209.310189][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2209.310189][   T10]      ___sys_sendmsg+0xee/0x170
[ 2209.310189][   T10]      __sys_sendmsg+0xcd/0x170
[ 2209.310189][   T10]      do_syscall_64+0xc6/0x1e0
[ 2209.310189][   T10] 
[ 2209.312164][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2209.312164][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2209.312164][   T10]      ipv6_find_idev+0x102/0x170
[ 2209.312164][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2209.312164][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2209.312164][   T10]      netlink_rcv_skb+0x130/0x360
[ 2209.312164][   T10]      netlink_unicast+0x449/0x710
[ 2209.312164][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2209.312164][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2209.312164][   T10]      ___sys_sendmsg+0xee/0x170
[ 2209.312164][   T10]      __sys_sendmsg+0xcd/0x170
[ 2209.312164][   T10]      do_syscall_64+0xc6/0x1e0
[ 2209.312164][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2209.312164][   T10] 
[ 2209.313709][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2209.313709][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2209.313709][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2209.313709][   T10]      ipv6_find_idev+0x102/0x170
[ 2209.313709][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2209.313709][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2209.313709][   T10]      netlink_rcv_skb+0x130/0x360
[ 2209.313709][   T10]      netlink_unicast+0x449/0x710
[ 2209.313709][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2209.313709][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2209.313709][   T10]      ___sys_sendmsg+0xee/0x170
[ 2209.313709][   T10]      __sys_sendmsg+0xcd/0x170
[ 2209.313709][   T10]      do_syscall_64+0xc6/0x1e0
[ 2209.313709][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2209.313709][   T10] 
[ 2209.315439][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2209.315695][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2209.315695][   T10]      netdev_get_by_index+0x5e/0x80
[ 2209.315695][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2209.315695][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2209.315695][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2209.315695][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2209.315695][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2209.315695][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2209.315695][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2209.315695][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2209.315695][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2209.315695][   T10]      vfs_write+0x9e5/0x10a0
[ 2209.315695][   T10]      ksys_write+0xf5/0x1e0
[ 2209.315695][   T10]      do_syscall_64+0xc6/0x1e0
[ 2209.315695][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2209.315695][   T10] 
[ 2209.317526][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2209.317526][   T10]      netdev_get_by_index+0x5e/0x80
[ 2209.317526][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2209.317526][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2209.317526][   T10]      ip6_route_add+0x1c/0x140
[ 2209.317526][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2209.317526][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2209.317526][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2209.317526][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2209.317526][   T10]      netlink_rcv_skb+0x130/0x360
[ 2209.317526][   T10]      netlink_unicast+0x449/0x710
[ 2209.317526][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2209.317526][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2209.317526][   T10]      ___sys_sendmsg+0xee/0x170
[ 2209.317526][   T10]      __sys_sendmsg+0xcd/0x170
[ 2209.317526][   T10]      do_syscall_64+0xc6/0x1e0
[ 2209.317526][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2209.317526][   T10] 
[ 2209.319517][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2209.319517][   T10]      netdev_get_by_index+0x5e/0x80
[ 2209.319517][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2209.319517][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2209.319517][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2209.319517][   T10]      ipv6_add_addr+0x411/0x2000
[ 2209.319517][   T10]      inet6_addr_add+0x30e/0xa40
[ 2209.319517][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2209.319517][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2209.319517][   T10]      netlink_rcv_skb+0x130/0x360
[ 2209.319517][   T10]      netlink_unicast+0x449/0x710
[ 2209.319517][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2209.319517][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2209.319517][   T10]      ___sys_sendmsg+0xee/0x170
[ 2209.319517][   T10]      __sys_sendmsg+0xcd/0x170
[ 2209.319517][   T10]      do_syscall_64+0xc6/0x1e0
[ 2209.319517][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2209.319517][   T10] 
[ 2209.321474][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2209.321474][   T10]      netdev_get_by_index+0x5e/0x80
[ 2209.321474][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2209.321474][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2209.321474][   T10]      ip6_route_add+0x1c/0x140
[ 2209.321474][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2209.321474][   T10]      addrconf_add_dev+0xe2/0x170
[ 2209.321474][   T10]      inet6_addr_add+0x12f/0xa40
[ 2209.321474][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2209.321474][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2209.321474][   T10]      netlink_rcv_skb+0x130/0x360
[ 2209.321474][   T10]      netlink_unicast+0x449/0x710
[ 2209.321474][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2209.321474][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2209.321474][   T10]      ___sys_sendmsg+0xee/0x170
[ 2209.321474][   T10]      __sys_sendmsg+0xcd/0x170
[ 2209.321474][   T10]      do_syscall_64+0xc6/0x1e0
[ 2209.321474][   T10] 
[ 2209.323461][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2209.323461][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2209.323461][   T10]      ipv6_find_idev+0x102/0x170
[ 2209.323461][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2209.323461][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2209.323461][   T10]      netlink_rcv_skb+0x130/0x360
[ 2209.323461][   T10]      netlink_unicast+0x449/0x710
[ 2209.323461][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2209.323461][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2209.323461][   T10]      ___sys_sendmsg+0xee/0x170
[ 2209.323461][   T10]      __sys_sendmsg+0xcd/0x170
[ 2209.323461][   T10]      do_syscall_64+0xc6/0x1e0
[ 2209.323461][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2209.323461][   T10] 
[ 2209.324987][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2209.324987][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2209.324987][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2209.324987][   T10]      ipv6_find_idev+0x102/0x170
[ 2209.324987][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2209.324987][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2209.324987][   T10]      netlink_rcv_skb+0x130/0x360
[ 2209.324987][   T10]      netlink_unicast+0x449/0x710
[ 2209.324987][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2209.324987][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2209.324987][   T10]      ___sys_sendmsg+0xee/0x170
[ 2209.324987][   T10]      __sys_sendmsg+0xcd/0x170
[ 2209.324987][   T10]      do_syscall_64+0xc6/0x1e0
[ 2209.324987][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2209.324987][   T10] 
[ 2219.567863][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2219.568356][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2219.568356][   T10]      dst_init+0x84/0x4a0
[ 2219.568356][   T10]      dst_alloc+0x97/0x150
[ 2219.568356][   T10]      ip6_dst_alloc+0x23/0x90
[ 2219.568356][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2219.568356][   T10]      ip6_pol_route+0x56f/0x840
[ 2219.568356][   T10]      fib6_rule_lookup+0x456/0x630
[ 2219.568356][   T10]      ip6_route_input+0x59c/0xa50
[ 2219.568356][   T10]      ipv6_rcv+0x397/0x810
[ 2219.568356][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2219.568356][   T10]      process_backlog+0x101/0x620
[ 2219.568356][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2219.568356][   T10]      net_rx_action+0x495/0xbe0
[ 2219.568356][   T10]      __do_softirq+0x1b5/0x7f6
[ 2219.568356][   T10] 
[ 2219.570067][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2219.570067][   T10]      netdev_get_by_index+0x5e/0x80
[ 2219.570067][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2219.570067][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2219.570067][   T10]      ip6_route_add+0x1c/0x140
[ 2219.570067][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2219.570067][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2219.570067][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2219.570067][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2219.570067][   T10]      netlink_rcv_skb+0x130/0x360
[ 2219.570067][   T10]      netlink_unicast+0x449/0x710
[ 2219.570067][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2219.570067][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2219.570067][   T10]      ___sys_sendmsg+0xee/0x170
[ 2219.570067][   T10]      __sys_sendmsg+0xcd/0x170
[ 2219.570067][   T10]      do_syscall_64+0xc6/0x1e0
[ 2219.570067][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2219.570067][   T10] 
[ 2219.572142][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2219.572142][   T10]      netdev_get_by_index+0x5e/0x80
[ 2219.572142][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2219.572142][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2219.572142][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2219.572142][   T10]      ipv6_add_addr+0x411/0x2000
[ 2219.572142][   T10]      inet6_addr_add+0x30e/0xa40
[ 2219.572142][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2219.572142][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2219.572142][   T10]      netlink_rcv_skb+0x130/0x360
[ 2219.572142][   T10]      netlink_unicast+0x449/0x710
[ 2219.572142][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2219.572142][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2219.572142][   T10]      ___sys_sendmsg+0xee/0x170
[ 2219.572142][   T10]      __sys_sendmsg+0xcd/0x170
[ 2219.572142][   T10]      do_syscall_64+0xc6/0x1e0
[ 2219.572142][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2219.572142][   T10] 
[ 2219.574161][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2219.574161][   T10]      netdev_get_by_index+0x5e/0x80
[ 2219.574161][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2219.574161][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2219.574161][   T10]      ip6_route_add+0x1c/0x140
[ 2219.574161][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2219.574161][   T10]      addrconf_add_dev+0xe2/0x170
[ 2219.574161][   T10]      inet6_addr_add+0x12f/0xa40
[ 2219.574161][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2219.574161][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2219.574161][   T10]      netlink_rcv_skb+0x130/0x360
[ 2219.574161][   T10]      netlink_unicast+0x449/0x710
[ 2219.574161][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2219.574161][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2219.574161][   T10]      ___sys_sendmsg+0xee/0x170
[ 2219.574161][   T10]      __sys_sendmsg+0xcd/0x170
[ 2219.574161][   T10]      do_syscall_64+0xc6/0x1e0
[ 2219.574161][   T10] 
[ 2219.576149][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2219.576149][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2219.576149][   T10]      ipv6_find_idev+0x102/0x170
[ 2219.576149][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2219.576149][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2219.576149][   T10]      netlink_rcv_skb+0x130/0x360
[ 2219.576149][   T10]      netlink_unicast+0x449/0x710
[ 2219.576149][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2219.576149][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2219.576149][   T10]      ___sys_sendmsg+0xee/0x170
[ 2219.576149][   T10]      __sys_sendmsg+0xcd/0x170
[ 2219.576149][   T10]      do_syscall_64+0xc6/0x1e0
[ 2219.576149][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2219.576149][   T10] 
[ 2219.577754][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2219.577754][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2219.577754][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2219.577754][   T10]      ipv6_find_idev+0x102/0x170
[ 2219.577754][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2219.577754][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2219.577754][   T10]      netlink_rcv_skb+0x130/0x360
[ 2219.577754][   T10]      netlink_unicast+0x449/0x710
[ 2219.577754][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2219.577754][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2219.577754][   T10]      ___sys_sendmsg+0xee/0x170
[ 2219.577754][   T10]      __sys_sendmsg+0xcd/0x170
[ 2219.577754][   T10]      do_syscall_64+0xc6/0x1e0
[ 2219.577754][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2219.577754][   T10] 
[ 2219.579411][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2219.579658][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2219.579658][   T10]      netdev_get_by_index+0x5e/0x80
[ 2219.579658][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2219.579658][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2219.579658][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2219.579658][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2219.579658][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2219.579658][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2219.579658][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2219.579658][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2219.579658][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2219.579658][   T10]      vfs_write+0x9e5/0x10a0
[ 2219.579658][   T10]      ksys_write+0xf5/0x1e0
[ 2219.579658][   T10]      do_syscall_64+0xc6/0x1e0
[ 2219.579658][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2219.579658][   T10] 
[ 2219.581461][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2219.581461][   T10]      netdev_get_by_index+0x5e/0x80
[ 2219.581461][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2219.581461][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2219.581461][   T10]      ip6_route_add+0x1c/0x140
[ 2219.581461][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2219.581461][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2219.581461][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2219.581461][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2219.581461][   T10]      netlink_rcv_skb+0x130/0x360
[ 2219.581461][   T10]      netlink_unicast+0x449/0x710
[ 2219.581461][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2219.581461][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2219.581461][   T10]      ___sys_sendmsg+0xee/0x170
[ 2219.581461][   T10]      __sys_sendmsg+0xcd/0x170
[ 2219.581461][   T10]      do_syscall_64+0xc6/0x1e0
[ 2219.581461][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2219.581461][   T10] 
[ 2219.583443][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2219.583443][   T10]      netdev_get_by_index+0x5e/0x80
[ 2219.583443][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2219.583443][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2219.583443][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2219.583443][   T10]      ipv6_add_addr+0x411/0x2000
[ 2219.583443][   T10]      inet6_addr_add+0x30e/0xa40
[ 2219.583443][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2219.583443][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2219.583443][   T10]      netlink_rcv_skb+0x130/0x360
[ 2219.583443][   T10]      netlink_unicast+0x449/0x710
[ 2219.583443][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2219.583443][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2219.583443][   T10]      ___sys_sendmsg+0xee/0x170
[ 2219.583443][   T10]      __sys_sendmsg+0xcd/0x170
[ 2219.583443][   T10]      do_syscall_64+0xc6/0x1e0
[ 2219.583443][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2219.583443][   T10] 
[ 2219.585440][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2219.585440][   T10]      netdev_get_by_index+0x5e/0x80
[ 2219.585440][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2219.585440][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2219.585440][   T10]      ip6_route_add+0x1c/0x140
[ 2219.585440][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2219.585440][   T10]      addrconf_add_dev+0xe2/0x170
[ 2219.585440][   T10]      inet6_addr_add+0x12f/0xa40
[ 2219.585440][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2219.585440][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2219.585440][   T10]      netlink_rcv_skb+0x130/0x360
[ 2219.585440][   T10]      netlink_unicast+0x449/0x710
[ 2219.585440][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2219.585440][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2219.585440][   T10]      ___sys_sendmsg+0xee/0x170
[ 2219.585440][   T10]      __sys_sendmsg+0xcd/0x170
[ 2219.585440][   T10]      do_syscall_64+0xc6/0x1e0
[ 2219.585440][   T10] 
[ 2219.587430][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2219.587430][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2219.587430][   T10]      ipv6_find_idev+0x102/0x170
[ 2219.587430][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2219.587430][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2219.587430][   T10]      netlink_rcv_skb+0x130/0x360
[ 2219.587430][   T10]      netlink_unicast+0x449/0x710
[ 2219.587430][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2219.587430][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2219.587430][   T10]      ___sys_sendmsg+0xee/0x170
[ 2219.587430][   T10]      __sys_sendmsg+0xcd/0x170
[ 2219.587430][   T10]      do_syscall_64+0xc6/0x1e0
[ 2219.587430][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2219.587430][   T10] 
[ 2219.588983][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2219.588983][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2219.588983][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2219.588983][   T10]      ipv6_find_idev+0x102/0x170
[ 2219.588983][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2219.588983][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2219.588983][   T10]      netlink_rcv_skb+0x130/0x360
[ 2219.588983][   T10]      netlink_unicast+0x449/0x710
[ 2219.588983][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2219.588983][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2219.588983][   T10]      ___sys_sendmsg+0xee/0x170
[ 2219.588983][   T10]      __sys_sendmsg+0xcd/0x170
[ 2219.588983][   T10]      do_syscall_64+0xc6/0x1e0
[ 2219.588983][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2219.588983][   T10] 
[ 2229.775871][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2229.776573][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2229.776573][   T10]      dst_init+0x84/0x4a0
[ 2229.776573][   T10]      dst_alloc+0x97/0x150
[ 2229.776573][   T10]      ip6_dst_alloc+0x23/0x90
[ 2229.776573][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2229.776573][   T10]      ip6_pol_route+0x56f/0x840
[ 2229.776573][   T10]      fib6_rule_lookup+0x456/0x630
[ 2229.776573][   T10]      ip6_route_input+0x59c/0xa50
[ 2229.776573][   T10]      ipv6_rcv+0x397/0x810
[ 2229.776573][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2229.776573][   T10]      process_backlog+0x101/0x620
[ 2229.776573][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2229.776573][   T10]      net_rx_action+0x495/0xbe0
[ 2229.776573][   T10]      __do_softirq+0x1b5/0x7f6
[ 2229.776573][   T10] 
[ 2229.778241][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2229.778241][   T10]      netdev_get_by_index+0x5e/0x80
[ 2229.778241][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2229.778241][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2229.778241][   T10]      ip6_route_add+0x1c/0x140
[ 2229.778241][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2229.778241][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2229.778241][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2229.778241][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2229.778241][   T10]      netlink_rcv_skb+0x130/0x360
[ 2229.778241][   T10]      netlink_unicast+0x449/0x710
[ 2229.778241][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2229.778241][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2229.778241][   T10]      ___sys_sendmsg+0xee/0x170
[ 2229.778241][   T10]      __sys_sendmsg+0xcd/0x170
[ 2229.778241][   T10]      do_syscall_64+0xc6/0x1e0
[ 2229.778241][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2229.778241][   T10] 
[ 2229.780259][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2229.780259][   T10]      netdev_get_by_index+0x5e/0x80
[ 2229.780259][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2229.780259][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2229.780259][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2229.780259][   T10]      ipv6_add_addr+0x411/0x2000
[ 2229.780259][   T10]      inet6_addr_add+0x30e/0xa40
[ 2229.780259][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2229.780259][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2229.780259][   T10]      netlink_rcv_skb+0x130/0x360
[ 2229.780259][   T10]      netlink_unicast+0x449/0x710
[ 2229.780259][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2229.780259][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2229.780259][   T10]      ___sys_sendmsg+0xee/0x170
[ 2229.780259][   T10]      __sys_sendmsg+0xcd/0x170
[ 2229.780259][   T10]      do_syscall_64+0xc6/0x1e0
[ 2229.780259][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2229.780259][   T10] 
[ 2229.782301][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2229.782301][   T10]      netdev_get_by_index+0x5e/0x80
[ 2229.782301][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2229.782301][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2229.782301][   T10]      ip6_route_add+0x1c/0x140
[ 2229.782301][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2229.782301][   T10]      addrconf_add_dev+0xe2/0x170
[ 2229.782301][   T10]      inet6_addr_add+0x12f/0xa40
[ 2229.782301][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2229.782301][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2229.782301][   T10]      netlink_rcv_skb+0x130/0x360
[ 2229.782301][   T10]      netlink_unicast+0x449/0x710
[ 2229.782301][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2229.782301][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2229.782301][   T10]      ___sys_sendmsg+0xee/0x170
[ 2229.782301][   T10]      __sys_sendmsg+0xcd/0x170
[ 2229.782301][   T10]      do_syscall_64+0xc6/0x1e0
[ 2229.782301][   T10] 
[ 2229.784304][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2229.784304][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2229.784304][   T10]      ipv6_find_idev+0x102/0x170
[ 2229.784304][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2229.784304][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2229.784304][   T10]      netlink_rcv_skb+0x130/0x360
[ 2229.784304][   T10]      netlink_unicast+0x449/0x710
[ 2229.784304][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2229.784304][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2229.784304][   T10]      ___sys_sendmsg+0xee/0x170
[ 2229.784304][   T10]      __sys_sendmsg+0xcd/0x170
[ 2229.784304][   T10]      do_syscall_64+0xc6/0x1e0
[ 2229.784304][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2229.784304][   T10] 
[ 2229.785853][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2229.785853][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2229.785853][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2229.785853][   T10]      ipv6_find_idev+0x102/0x170
[ 2229.785853][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2229.785853][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2229.785853][   T10]      netlink_rcv_skb+0x130/0x360
[ 2229.785853][   T10]      netlink_unicast+0x449/0x710
[ 2229.785853][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2229.785853][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2229.785853][   T10]      ___sys_sendmsg+0xee/0x170
[ 2229.785853][   T10]      __sys_sendmsg+0xcd/0x170
[ 2229.785853][   T10]      do_syscall_64+0xc6/0x1e0
[ 2229.785853][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2229.785853][   T10] 
[ 2229.787544][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2229.787821][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2229.787821][   T10]      netdev_get_by_index+0x5e/0x80
[ 2229.787821][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2229.787821][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2229.787821][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2229.787821][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2229.787821][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2229.787821][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2229.787821][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2229.787821][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2229.787821][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2229.787821][   T10]      vfs_write+0x9e5/0x10a0
[ 2229.787821][   T10]      ksys_write+0xf5/0x1e0
[ 2229.787821][   T10]      do_syscall_64+0xc6/0x1e0
[ 2229.787821][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2229.787821][   T10] 
[ 2229.789687][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2229.789687][   T10]      netdev_get_by_index+0x5e/0x80
[ 2229.789687][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2229.789687][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2229.789687][   T10]      ip6_route_add+0x1c/0x140
[ 2229.789687][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2229.789687][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2229.789687][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2229.789687][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2229.789687][   T10]      netlink_rcv_skb+0x130/0x360
[ 2229.789687][   T10]      netlink_unicast+0x449/0x710
[ 2229.789687][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2229.789687][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2229.789687][   T10]      ___sys_sendmsg+0xee/0x170
[ 2229.789687][   T10]      __sys_sendmsg+0xcd/0x170
[ 2229.789687][   T10]      do_syscall_64+0xc6/0x1e0
[ 2229.789687][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2229.789687][   T10] 
[ 2229.791672][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2229.791672][   T10]      netdev_get_by_index+0x5e/0x80
[ 2229.791672][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2229.791672][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2229.791672][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2229.791672][   T10]      ipv6_add_addr+0x411/0x2000
[ 2229.791672][   T10]      inet6_addr_add+0x30e/0xa40
[ 2229.791672][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2229.791672][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2229.791672][   T10]      netlink_rcv_skb+0x130/0x360
[ 2229.791672][   T10]      netlink_unicast+0x449/0x710
[ 2229.791672][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2229.791672][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2229.791672][   T10]      ___sys_sendmsg+0xee/0x170
[ 2229.791672][   T10]      __sys_sendmsg+0xcd/0x170
[ 2229.791672][   T10]      do_syscall_64+0xc6/0x1e0
[ 2229.791672][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2229.791672][   T10] 
[ 2229.793651][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2229.793651][   T10]      netdev_get_by_index+0x5e/0x80
[ 2229.793651][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2229.793651][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2229.793651][   T10]      ip6_route_add+0x1c/0x140
[ 2229.793651][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2229.793651][   T10]      addrconf_add_dev+0xe2/0x170
[ 2229.793651][   T10]      inet6_addr_add+0x12f/0xa40
[ 2229.793651][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2229.793651][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2229.793651][   T10]      netlink_rcv_skb+0x130/0x360
[ 2229.793651][   T10]      netlink_unicast+0x449/0x710
[ 2229.793651][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2229.793651][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2229.793651][   T10]      ___sys_sendmsg+0xee/0x170
[ 2229.793651][   T10]      __sys_sendmsg+0xcd/0x170
[ 2229.793651][   T10]      do_syscall_64+0xc6/0x1e0
[ 2229.793651][   T10] 
[ 2229.795645][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2229.795645][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2229.795645][   T10]      ipv6_find_idev+0x102/0x170
[ 2229.795645][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2229.795645][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2229.795645][   T10]      netlink_rcv_skb+0x130/0x360
[ 2229.795645][   T10]      netlink_unicast+0x449/0x710
[ 2229.795645][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2229.795645][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2229.795645][   T10]      ___sys_sendmsg+0xee/0x170
[ 2229.795645][   T10]      __sys_sendmsg+0xcd/0x170
[ 2229.795645][   T10]      do_syscall_64+0xc6/0x1e0
[ 2229.795645][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2229.795645][   T10] 
[ 2229.797165][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2229.797165][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2229.797165][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2229.797165][   T10]      ipv6_find_idev+0x102/0x170
[ 2229.797165][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2229.797165][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2229.797165][   T10]      netlink_rcv_skb+0x130/0x360
[ 2229.797165][   T10]      netlink_unicast+0x449/0x710
[ 2229.797165][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2229.797165][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2229.797165][   T10]      ___sys_sendmsg+0xee/0x170
[ 2229.797165][   T10]      __sys_sendmsg+0xcd/0x170
[ 2229.797165][   T10]      do_syscall_64+0xc6/0x1e0
[ 2229.797165][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2229.797165][   T10] 
[ 2240.039876][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2240.040554][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2240.040554][   T10]      dst_init+0x84/0x4a0
[ 2240.040554][   T10]      dst_alloc+0x97/0x150
[ 2240.040554][   T10]      ip6_dst_alloc+0x23/0x90
[ 2240.040554][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2240.040554][   T10]      ip6_pol_route+0x56f/0x840
[ 2240.040554][   T10]      fib6_rule_lookup+0x456/0x630
[ 2240.040554][   T10]      ip6_route_input+0x59c/0xa50
[ 2240.040554][   T10]      ipv6_rcv+0x397/0x810
[ 2240.040554][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2240.040554][   T10]      process_backlog+0x101/0x620
[ 2240.040554][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2240.040554][   T10]      net_rx_action+0x495/0xbe0
[ 2240.040554][   T10]      __do_softirq+0x1b5/0x7f6
[ 2240.040554][   T10] 
[ 2240.042242][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2240.042242][   T10]      netdev_get_by_index+0x5e/0x80
[ 2240.042242][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2240.042242][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2240.042242][   T10]      ip6_route_add+0x1c/0x140
[ 2240.042242][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2240.042242][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2240.042242][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2240.042242][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2240.042242][   T10]      netlink_rcv_skb+0x130/0x360
[ 2240.042242][   T10]      netlink_unicast+0x449/0x710
[ 2240.042242][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2240.042242][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2240.042242][   T10]      ___sys_sendmsg+0xee/0x170
[ 2240.042242][   T10]      __sys_sendmsg+0xcd/0x170
[ 2240.042242][   T10]      do_syscall_64+0xc6/0x1e0
[ 2240.042242][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2240.042242][   T10] 
[ 2240.044300][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2240.044300][   T10]      netdev_get_by_index+0x5e/0x80
[ 2240.044300][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2240.044300][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2240.044300][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2240.044300][   T10]      ipv6_add_addr+0x411/0x2000
[ 2240.044300][   T10]      inet6_addr_add+0x30e/0xa40
[ 2240.044300][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2240.044300][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2240.044300][   T10]      netlink_rcv_skb+0x130/0x360
[ 2240.044300][   T10]      netlink_unicast+0x449/0x710
[ 2240.044300][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2240.044300][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2240.044300][   T10]      ___sys_sendmsg+0xee/0x170
[ 2240.044300][   T10]      __sys_sendmsg+0xcd/0x170
[ 2240.044300][   T10]      do_syscall_64+0xc6/0x1e0
[ 2240.044300][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2240.044300][   T10] 
[ 2240.046305][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2240.046305][   T10]      netdev_get_by_index+0x5e/0x80
[ 2240.046305][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2240.046305][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2240.046305][   T10]      ip6_route_add+0x1c/0x140
[ 2240.046305][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2240.046305][   T10]      addrconf_add_dev+0xe2/0x170
[ 2240.046305][   T10]      inet6_addr_add+0x12f/0xa40
[ 2240.046305][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2240.046305][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2240.046305][   T10]      netlink_rcv_skb+0x130/0x360
[ 2240.046305][   T10]      netlink_unicast+0x449/0x710
[ 2240.046305][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2240.046305][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2240.046305][   T10]      ___sys_sendmsg+0xee/0x170
[ 2240.046305][   T10]      __sys_sendmsg+0xcd/0x170
[ 2240.046305][   T10]      do_syscall_64+0xc6/0x1e0
[ 2240.046305][   T10] 
[ 2240.048285][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2240.048285][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2240.048285][   T10]      ipv6_find_idev+0x102/0x170
[ 2240.048285][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2240.048285][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2240.048285][   T10]      netlink_rcv_skb+0x130/0x360
[ 2240.048285][   T10]      netlink_unicast+0x449/0x710
[ 2240.048285][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2240.048285][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2240.048285][   T10]      ___sys_sendmsg+0xee/0x170
[ 2240.048285][   T10]      __sys_sendmsg+0xcd/0x170
[ 2240.048285][   T10]      do_syscall_64+0xc6/0x1e0
[ 2240.048285][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2240.048285][   T10] 
[ 2240.049820][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2240.049820][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2240.049820][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2240.049820][   T10]      ipv6_find_idev+0x102/0x170
[ 2240.049820][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2240.049820][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2240.049820][   T10]      netlink_rcv_skb+0x130/0x360
[ 2240.049820][   T10]      netlink_unicast+0x449/0x710
[ 2240.049820][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2240.049820][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2240.049820][   T10]      ___sys_sendmsg+0xee/0x170
[ 2240.049820][   T10]      __sys_sendmsg+0xcd/0x170
[ 2240.049820][   T10]      do_syscall_64+0xc6/0x1e0
[ 2240.049820][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2240.049820][   T10] 
[ 2240.051522][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2240.051787][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2240.051787][   T10]      netdev_get_by_index+0x5e/0x80
[ 2240.051787][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2240.051787][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2240.051787][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2240.051787][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2240.051787][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2240.051787][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2240.051787][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2240.051787][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2240.051787][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2240.051787][   T10]      vfs_write+0x9e5/0x10a0
[ 2240.051787][   T10]      ksys_write+0xf5/0x1e0
[ 2240.051787][   T10]      do_syscall_64+0xc6/0x1e0
[ 2240.051787][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2240.051787][   T10] 
[ 2240.053623][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2240.053623][   T10]      netdev_get_by_index+0x5e/0x80
[ 2240.053623][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2240.053623][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2240.053623][   T10]      ip6_route_add+0x1c/0x140
[ 2240.053623][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2240.053623][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2240.053623][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2240.053623][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2240.053623][   T10]      netlink_rcv_skb+0x130/0x360
[ 2240.053623][   T10]      netlink_unicast+0x449/0x710
[ 2240.053623][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2240.053623][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2240.053623][   T10]      ___sys_sendmsg+0xee/0x170
[ 2240.053623][   T10]      __sys_sendmsg+0xcd/0x170
[ 2240.053623][   T10]      do_syscall_64+0xc6/0x1e0
[ 2240.053623][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2240.053623][   T10] 
[ 2240.055669][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2240.055669][   T10]      netdev_get_by_index+0x5e/0x80
[ 2240.055669][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2240.055669][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2240.055669][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2240.055669][   T10]      ipv6_add_addr+0x411/0x2000
[ 2240.055669][   T10]      inet6_addr_add+0x30e/0xa40
[ 2240.055669][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2240.055669][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2240.055669][   T10]      netlink_rcv_skb+0x130/0x360
[ 2240.055669][   T10]      netlink_unicast+0x449/0x710
[ 2240.055669][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2240.055669][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2240.055669][   T10]      ___sys_sendmsg+0xee/0x170
[ 2240.055669][   T10]      __sys_sendmsg+0xcd/0x170
[ 2240.055669][   T10]      do_syscall_64+0xc6/0x1e0
[ 2240.055669][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2240.055669][   T10] 
[ 2240.057673][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2240.057673][   T10]      netdev_get_by_index+0x5e/0x80
[ 2240.057673][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2240.057673][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2240.057673][   T10]      ip6_route_add+0x1c/0x140
[ 2240.057673][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2240.057673][   T10]      addrconf_add_dev+0xe2/0x170
[ 2240.057673][   T10]      inet6_addr_add+0x12f/0xa40
[ 2240.057673][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2240.057673][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2240.057673][   T10]      netlink_rcv_skb+0x130/0x360
[ 2240.057673][   T10]      netlink_unicast+0x449/0x710
[ 2240.057673][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2240.057673][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2240.057673][   T10]      ___sys_sendmsg+0xee/0x170
[ 2240.057673][   T10]      __sys_sendmsg+0xcd/0x170
[ 2240.057673][   T10]      do_syscall_64+0xc6/0x1e0
[ 2240.057673][   T10] 
[ 2240.059605][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2240.059605][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2240.059605][   T10]      ipv6_find_idev+0x102/0x170
[ 2240.059605][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2240.059605][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2240.059605][   T10]      netlink_rcv_skb+0x130/0x360
[ 2240.059605][   T10]      netlink_unicast+0x449/0x710
[ 2240.059605][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2240.059605][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2240.059605][   T10]      ___sys_sendmsg+0xee/0x170
[ 2240.059605][   T10]      __sys_sendmsg+0xcd/0x170
[ 2240.059605][   T10]      do_syscall_64+0xc6/0x1e0
[ 2240.059605][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2240.059605][   T10] 
[ 2240.061145][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2240.061145][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2240.061145][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2240.061145][   T10]      ipv6_find_idev+0x102/0x170
[ 2240.061145][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2240.061145][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2240.061145][   T10]      netlink_rcv_skb+0x130/0x360
[ 2240.061145][   T10]      netlink_unicast+0x449/0x710
[ 2240.061145][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2240.061145][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2240.061145][   T10]      ___sys_sendmsg+0xee/0x170
[ 2240.061145][   T10]      __sys_sendmsg+0xcd/0x170
[ 2240.061145][   T10]      do_syscall_64+0xc6/0x1e0
[ 2240.061145][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2240.061145][   T10] 
[ 2250.303884][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2250.304556][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2250.304556][   T10]      dst_init+0x84/0x4a0
[ 2250.304556][   T10]      dst_alloc+0x97/0x150
[ 2250.304556][   T10]      ip6_dst_alloc+0x23/0x90
[ 2250.304556][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2250.304556][   T10]      ip6_pol_route+0x56f/0x840
[ 2250.304556][   T10]      fib6_rule_lookup+0x456/0x630
[ 2250.304556][   T10]      ip6_route_input+0x59c/0xa50
[ 2250.304556][   T10]      ipv6_rcv+0x397/0x810
[ 2250.304556][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2250.304556][   T10]      process_backlog+0x101/0x620
[ 2250.304556][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2250.304556][   T10]      net_rx_action+0x495/0xbe0
[ 2250.304556][   T10]      __do_softirq+0x1b5/0x7f6
[ 2250.304556][   T10] 
[ 2250.306196][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2250.306196][   T10]      netdev_get_by_index+0x5e/0x80
[ 2250.306196][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2250.306196][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2250.306196][   T10]      ip6_route_add+0x1c/0x140
[ 2250.306196][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2250.306196][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2250.306196][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2250.306196][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2250.306196][   T10]      netlink_rcv_skb+0x130/0x360
[ 2250.306196][   T10]      netlink_unicast+0x449/0x710
[ 2250.306196][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2250.306196][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2250.306196][   T10]      ___sys_sendmsg+0xee/0x170
[ 2250.306196][   T10]      __sys_sendmsg+0xcd/0x170
[ 2250.306196][   T10]      do_syscall_64+0xc6/0x1e0
[ 2250.306196][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2250.306196][   T10] 
[ 2250.308172][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2250.308172][   T10]      netdev_get_by_index+0x5e/0x80
[ 2250.308172][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2250.308172][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2250.308172][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2250.308172][   T10]      ipv6_add_addr+0x411/0x2000
[ 2250.308172][   T10]      inet6_addr_add+0x30e/0xa40
[ 2250.308172][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2250.308172][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2250.308172][   T10]      netlink_rcv_skb+0x130/0x360
[ 2250.308172][   T10]      netlink_unicast+0x449/0x710
[ 2250.308172][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2250.308172][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2250.308172][   T10]      ___sys_sendmsg+0xee/0x170
[ 2250.308172][   T10]      __sys_sendmsg+0xcd/0x170
[ 2250.308172][   T10]      do_syscall_64+0xc6/0x1e0
[ 2250.308172][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2250.308172][   T10] 
[ 2250.310215][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2250.310215][   T10]      netdev_get_by_index+0x5e/0x80
[ 2250.310215][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2250.310215][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2250.310215][   T10]      ip6_route_add+0x1c/0x140
[ 2250.310215][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2250.310215][   T10]      addrconf_add_dev+0xe2/0x170
[ 2250.310215][   T10]      inet6_addr_add+0x12f/0xa40
[ 2250.310215][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2250.310215][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2250.310215][   T10]      netlink_rcv_skb+0x130/0x360
[ 2250.310215][   T10]      netlink_unicast+0x449/0x710
[ 2250.310215][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2250.310215][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2250.310215][   T10]      ___sys_sendmsg+0xee/0x170
[ 2250.310215][   T10]      __sys_sendmsg+0xcd/0x170
[ 2250.310215][   T10]      do_syscall_64+0xc6/0x1e0
[ 2250.310215][   T10] 
[ 2250.312166][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2250.312166][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2250.312166][   T10]      ipv6_find_idev+0x102/0x170
[ 2250.312166][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2250.312166][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2250.312166][   T10]      netlink_rcv_skb+0x130/0x360
[ 2250.312166][   T10]      netlink_unicast+0x449/0x710
[ 2250.312166][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2250.312166][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2250.312166][   T10]      ___sys_sendmsg+0xee/0x170
[ 2250.312166][   T10]      __sys_sendmsg+0xcd/0x170
[ 2250.312166][   T10]      do_syscall_64+0xc6/0x1e0
[ 2250.312166][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2250.312166][   T10] 
[ 2250.313678][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2250.313678][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2250.313678][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2250.313678][   T10]      ipv6_find_idev+0x102/0x170
[ 2250.313678][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2250.313678][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2250.313678][   T10]      netlink_rcv_skb+0x130/0x360
[ 2250.313678][   T10]      netlink_unicast+0x449/0x710
[ 2250.313678][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2250.313678][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2250.313678][   T10]      ___sys_sendmsg+0xee/0x170
[ 2250.313678][   T10]      __sys_sendmsg+0xcd/0x170
[ 2250.313678][   T10]      do_syscall_64+0xc6/0x1e0
[ 2250.313678][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2250.313678][   T10] 
[ 2250.315387][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2250.315632][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2250.315632][   T10]      netdev_get_by_index+0x5e/0x80
[ 2250.315632][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2250.315632][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2250.315632][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2250.315632][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2250.315632][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2250.315632][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2250.315632][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2250.315632][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2250.315632][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2250.315632][   T10]      vfs_write+0x9e5/0x10a0
[ 2250.315632][   T10]      ksys_write+0xf5/0x1e0
[ 2250.315632][   T10]      do_syscall_64+0xc6/0x1e0
[ 2250.315632][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2250.315632][   T10] 
[ 2250.317444][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2250.317444][   T10]      netdev_get_by_index+0x5e/0x80
[ 2250.317444][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2250.317444][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2250.317444][   T10]      ip6_route_add+0x1c/0x140
[ 2250.317444][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2250.317444][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2250.317444][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2250.317444][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2250.317444][   T10]      netlink_rcv_skb+0x130/0x360
[ 2250.317444][   T10]      netlink_unicast+0x449/0x710
[ 2250.317444][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2250.317444][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2250.317444][   T10]      ___sys_sendmsg+0xee/0x170
[ 2250.317444][   T10]      __sys_sendmsg+0xcd/0x170
[ 2250.317444][   T10]      do_syscall_64+0xc6/0x1e0
[ 2250.317444][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2250.317444][   T10] 
[ 2250.319465][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2250.319465][   T10]      netdev_get_by_index+0x5e/0x80
[ 2250.319465][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2250.319465][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2250.319465][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2250.319465][   T10]      ipv6_add_addr+0x411/0x2000
[ 2250.319465][   T10]      inet6_addr_add+0x30e/0xa40
[ 2250.319465][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2250.319465][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2250.319465][   T10]      netlink_rcv_skb+0x130/0x360
[ 2250.319465][   T10]      netlink_unicast+0x449/0x710
[ 2250.319465][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2250.319465][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2250.319465][   T10]      ___sys_sendmsg+0xee/0x170
[ 2250.319465][   T10]      __sys_sendmsg+0xcd/0x170
[ 2250.319465][   T10]      do_syscall_64+0xc6/0x1e0
[ 2250.319465][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2250.319465][   T10] 
[ 2250.321462][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2250.321462][   T10]      netdev_get_by_index+0x5e/0x80
[ 2250.321462][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2250.321462][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2250.321462][   T10]      ip6_route_add+0x1c/0x140
[ 2250.321462][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2250.321462][   T10]      addrconf_add_dev+0xe2/0x170
[ 2250.321462][   T10]      inet6_addr_add+0x12f/0xa40
[ 2250.321462][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2250.321462][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2250.321462][   T10]      netlink_rcv_skb+0x130/0x360
[ 2250.321462][   T10]      netlink_unicast+0x449/0x710
[ 2250.321462][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2250.321462][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2250.321462][   T10]      ___sys_sendmsg+0xee/0x170
[ 2250.321462][   T10]      __sys_sendmsg+0xcd/0x170
[ 2250.321462][   T10]      do_syscall_64+0xc6/0x1e0
[ 2250.321462][   T10] 
[ 2250.323393][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2250.323393][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2250.323393][   T10]      ipv6_find_idev+0x102/0x170
[ 2250.323393][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2250.323393][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2250.323393][   T10]      netlink_rcv_skb+0x130/0x360
[ 2250.323393][   T10]      netlink_unicast+0x449/0x710
[ 2250.323393][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2250.323393][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2250.323393][   T10]      ___sys_sendmsg+0xee/0x170
[ 2250.323393][   T10]      __sys_sendmsg+0xcd/0x170
[ 2250.323393][   T10]      do_syscall_64+0xc6/0x1e0
[ 2250.323393][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2250.323393][   T10] 
[ 2250.324945][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2250.324945][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2250.324945][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2250.324945][   T10]      ipv6_find_idev+0x102/0x170
[ 2250.324945][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2250.324945][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2250.324945][   T10]      netlink_rcv_skb+0x130/0x360
[ 2250.324945][   T10]      netlink_unicast+0x449/0x710
[ 2250.324945][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2250.324945][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2250.324945][   T10]      ___sys_sendmsg+0xee/0x170
[ 2250.324945][   T10]      __sys_sendmsg+0xcd/0x170
[ 2250.324945][   T10]      do_syscall_64+0xc6/0x1e0
[ 2250.324945][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2250.324945][   T10] 
[ 2260.495872][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2260.496418][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2260.496418][   T10]      dst_init+0x84/0x4a0
[ 2260.496418][   T10]      dst_alloc+0x97/0x150
[ 2260.496418][   T10]      ip6_dst_alloc+0x23/0x90
[ 2260.496418][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2260.496418][   T10]      ip6_pol_route+0x56f/0x840
[ 2260.496418][   T10]      fib6_rule_lookup+0x456/0x630
[ 2260.496418][   T10]      ip6_route_input+0x59c/0xa50
[ 2260.496418][   T10]      ipv6_rcv+0x397/0x810
[ 2260.496418][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2260.496418][   T10]      process_backlog+0x101/0x620
[ 2260.496418][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2260.496418][   T10]      net_rx_action+0x495/0xbe0
[ 2260.496418][   T10]      __do_softirq+0x1b5/0x7f6
[ 2260.496418][   T10] 
[ 2260.498074][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2260.498074][   T10]      netdev_get_by_index+0x5e/0x80
[ 2260.498074][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2260.498074][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2260.498074][   T10]      ip6_route_add+0x1c/0x140
[ 2260.498074][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2260.498074][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2260.498074][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2260.498074][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2260.498074][   T10]      netlink_rcv_skb+0x130/0x360
[ 2260.498074][   T10]      netlink_unicast+0x449/0x710
[ 2260.498074][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2260.498074][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2260.498074][   T10]      ___sys_sendmsg+0xee/0x170
[ 2260.498074][   T10]      __sys_sendmsg+0xcd/0x170
[ 2260.498074][   T10]      do_syscall_64+0xc6/0x1e0
[ 2260.498074][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2260.498074][   T10] 
[ 2260.500092][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2260.500092][   T10]      netdev_get_by_index+0x5e/0x80
[ 2260.500092][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2260.500092][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2260.500092][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2260.500092][   T10]      ipv6_add_addr+0x411/0x2000
[ 2260.500092][   T10]      inet6_addr_add+0x30e/0xa40
[ 2260.500092][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2260.500092][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2260.500092][   T10]      netlink_rcv_skb+0x130/0x360
[ 2260.500092][   T10]      netlink_unicast+0x449/0x710
[ 2260.500092][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2260.500092][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2260.500092][   T10]      ___sys_sendmsg+0xee/0x170
[ 2260.500092][   T10]      __sys_sendmsg+0xcd/0x170
[ 2260.500092][   T10]      do_syscall_64+0xc6/0x1e0
[ 2260.500092][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2260.500092][   T10] 
[ 2260.502075][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2260.502075][   T10]      netdev_get_by_index+0x5e/0x80
[ 2260.502075][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2260.502075][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2260.502075][   T10]      ip6_route_add+0x1c/0x140
[ 2260.502075][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2260.502075][   T10]      addrconf_add_dev+0xe2/0x170
[ 2260.502075][   T10]      inet6_addr_add+0x12f/0xa40
[ 2260.502075][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2260.502075][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2260.502075][   T10]      netlink_rcv_skb+0x130/0x360
[ 2260.502075][   T10]      netlink_unicast+0x449/0x710
[ 2260.502075][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2260.502075][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2260.502075][   T10]      ___sys_sendmsg+0xee/0x170
[ 2260.502075][   T10]      __sys_sendmsg+0xcd/0x170
[ 2260.502075][   T10]      do_syscall_64+0xc6/0x1e0
[ 2260.502075][   T10] 
[ 2260.504078][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2260.504078][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2260.504078][   T10]      ipv6_find_idev+0x102/0x170
[ 2260.504078][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2260.504078][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2260.504078][   T10]      netlink_rcv_skb+0x130/0x360
[ 2260.504078][   T10]      netlink_unicast+0x449/0x710
[ 2260.504078][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2260.504078][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2260.504078][   T10]      ___sys_sendmsg+0xee/0x170
[ 2260.504078][   T10]      __sys_sendmsg+0xcd/0x170
[ 2260.504078][   T10]      do_syscall_64+0xc6/0x1e0
[ 2260.504078][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2260.504078][   T10] 
[ 2260.505659][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2260.505659][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2260.505659][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2260.505659][   T10]      ipv6_find_idev+0x102/0x170
[ 2260.505659][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2260.505659][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2260.505659][   T10]      netlink_rcv_skb+0x130/0x360
[ 2260.505659][   T10]      netlink_unicast+0x449/0x710
[ 2260.505659][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2260.505659][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2260.505659][   T10]      ___sys_sendmsg+0xee/0x170
[ 2260.505659][   T10]      __sys_sendmsg+0xcd/0x170
[ 2260.505659][   T10]      do_syscall_64+0xc6/0x1e0
[ 2260.505659][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2260.505659][   T10] 
[ 2260.507375][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2260.507629][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2260.507629][   T10]      netdev_get_by_index+0x5e/0x80
[ 2260.507629][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2260.507629][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2260.507629][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2260.507629][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2260.507629][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2260.507629][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2260.507629][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2260.507629][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2260.507629][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2260.507629][   T10]      vfs_write+0x9e5/0x10a0
[ 2260.507629][   T10]      ksys_write+0xf5/0x1e0
[ 2260.507629][   T10]      do_syscall_64+0xc6/0x1e0
[ 2260.507629][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2260.507629][   T10] 
[ 2260.509477][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2260.509477][   T10]      netdev_get_by_index+0x5e/0x80
[ 2260.509477][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2260.509477][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2260.509477][   T10]      ip6_route_add+0x1c/0x140
[ 2260.509477][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2260.509477][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2260.509477][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2260.509477][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2260.509477][   T10]      netlink_rcv_skb+0x130/0x360
[ 2260.509477][   T10]      netlink_unicast+0x449/0x710
[ 2260.509477][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2260.509477][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2260.509477][   T10]      ___sys_sendmsg+0xee/0x170
[ 2260.509477][   T10]      __sys_sendmsg+0xcd/0x170
[ 2260.509477][   T10]      do_syscall_64+0xc6/0x1e0
[ 2260.509477][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2260.509477][   T10] 
[ 2260.511506][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2260.511506][   T10]      netdev_get_by_index+0x5e/0x80
[ 2260.511506][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2260.511506][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2260.511506][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2260.511506][   T10]      ipv6_add_addr+0x411/0x2000
[ 2260.511506][   T10]      inet6_addr_add+0x30e/0xa40
[ 2260.511506][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2260.511506][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2260.511506][   T10]      netlink_rcv_skb+0x130/0x360
[ 2260.511506][   T10]      netlink_unicast+0x449/0x710
[ 2260.511506][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2260.511506][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2260.511506][   T10]      ___sys_sendmsg+0xee/0x170
[ 2260.511506][   T10]      __sys_sendmsg+0xcd/0x170
[ 2260.511506][   T10]      do_syscall_64+0xc6/0x1e0
[ 2260.511506][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2260.511506][   T10] 
[ 2260.513536][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2260.513536][   T10]      netdev_get_by_index+0x5e/0x80
[ 2260.513536][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2260.513536][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2260.513536][   T10]      ip6_route_add+0x1c/0x140
[ 2260.513536][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2260.513536][   T10]      addrconf_add_dev+0xe2/0x170
[ 2260.513536][   T10]      inet6_addr_add+0x12f/0xa40
[ 2260.513536][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2260.513536][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2260.513536][   T10]      netlink_rcv_skb+0x130/0x360
[ 2260.513536][   T10]      netlink_unicast+0x449/0x710
[ 2260.513536][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2260.513536][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2260.513536][   T10]      ___sys_sendmsg+0xee/0x170
[ 2260.513536][   T10]      __sys_sendmsg+0xcd/0x170
[ 2260.513536][   T10]      do_syscall_64+0xc6/0x1e0
[ 2260.513536][   T10] 
[ 2260.515532][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2260.515532][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2260.515532][   T10]      ipv6_find_idev+0x102/0x170
[ 2260.515532][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2260.515532][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2260.515532][   T10]      netlink_rcv_skb+0x130/0x360
[ 2260.515532][   T10]      netlink_unicast+0x449/0x710
[ 2260.515532][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2260.515532][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2260.515532][   T10]      ___sys_sendmsg+0xee/0x170
[ 2260.515532][   T10]      __sys_sendmsg+0xcd/0x170
[ 2260.515532][   T10]      do_syscall_64+0xc6/0x1e0
[ 2260.515532][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2260.515532][   T10] 
[ 2260.517072][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2260.517072][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2260.517072][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2260.517072][   T10]      ipv6_find_idev+0x102/0x170
[ 2260.517072][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2260.517072][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2260.517072][   T10]      netlink_rcv_skb+0x130/0x360
[ 2260.517072][   T10]      netlink_unicast+0x449/0x710
[ 2260.517072][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2260.517072][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2260.517072][   T10]      ___sys_sendmsg+0xee/0x170
[ 2260.517072][   T10]      __sys_sendmsg+0xcd/0x170
[ 2260.517072][   T10]      do_syscall_64+0xc6/0x1e0
[ 2260.517072][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2260.517072][   T10] 
[ 2270.767748][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2270.768398][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2270.768398][   T10]      dst_init+0x84/0x4a0
[ 2270.768398][   T10]      dst_alloc+0x97/0x150
[ 2270.768398][   T10]      ip6_dst_alloc+0x23/0x90
[ 2270.768398][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2270.768398][   T10]      ip6_pol_route+0x56f/0x840
[ 2270.768398][   T10]      fib6_rule_lookup+0x456/0x630
[ 2270.768398][   T10]      ip6_route_input+0x59c/0xa50
[ 2270.768398][   T10]      ipv6_rcv+0x397/0x810
[ 2270.768398][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2270.768398][   T10]      process_backlog+0x101/0x620
[ 2270.768398][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2270.768398][   T10]      net_rx_action+0x495/0xbe0
[ 2270.768398][   T10]      __do_softirq+0x1b5/0x7f6
[ 2270.768398][   T10] 
[ 2270.770096][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2270.770096][   T10]      netdev_get_by_index+0x5e/0x80
[ 2270.770096][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2270.770096][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2270.770096][   T10]      ip6_route_add+0x1c/0x140
[ 2270.770096][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2270.770096][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2270.770096][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2270.770096][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2270.770096][   T10]      netlink_rcv_skb+0x130/0x360
[ 2270.770096][   T10]      netlink_unicast+0x449/0x710
[ 2270.770096][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2270.770096][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2270.770096][   T10]      ___sys_sendmsg+0xee/0x170
[ 2270.770096][   T10]      __sys_sendmsg+0xcd/0x170
[ 2270.770096][   T10]      do_syscall_64+0xc6/0x1e0
[ 2270.770096][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2270.770096][   T10] 
[ 2270.772099][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2270.772099][   T10]      netdev_get_by_index+0x5e/0x80
[ 2270.772099][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2270.772099][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2270.772099][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2270.772099][   T10]      ipv6_add_addr+0x411/0x2000
[ 2270.772099][   T10]      inet6_addr_add+0x30e/0xa40
[ 2270.772099][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2270.772099][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2270.772099][   T10]      netlink_rcv_skb+0x130/0x360
[ 2270.772099][   T10]      netlink_unicast+0x449/0x710
[ 2270.772099][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2270.772099][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2270.772099][   T10]      ___sys_sendmsg+0xee/0x170
[ 2270.772099][   T10]      __sys_sendmsg+0xcd/0x170
[ 2270.772099][   T10]      do_syscall_64+0xc6/0x1e0
[ 2270.772099][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2270.772099][   T10] 
[ 2270.774114][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2270.774114][   T10]      netdev_get_by_index+0x5e/0x80
[ 2270.774114][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2270.774114][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2270.774114][   T10]      ip6_route_add+0x1c/0x140
[ 2270.774114][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2270.774114][   T10]      addrconf_add_dev+0xe2/0x170
[ 2270.774114][   T10]      inet6_addr_add+0x12f/0xa40
[ 2270.774114][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2270.774114][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2270.774114][   T10]      netlink_rcv_skb+0x130/0x360
[ 2270.774114][   T10]      netlink_unicast+0x449/0x710
[ 2270.774114][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2270.774114][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2270.774114][   T10]      ___sys_sendmsg+0xee/0x170
[ 2270.774114][   T10]      __sys_sendmsg+0xcd/0x170
[ 2270.774114][   T10]      do_syscall_64+0xc6/0x1e0
[ 2270.774114][   T10] 
[ 2270.776078][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2270.776078][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2270.776078][   T10]      ipv6_find_idev+0x102/0x170
[ 2270.776078][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2270.776078][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2270.776078][   T10]      netlink_rcv_skb+0x130/0x360
[ 2270.776078][   T10]      netlink_unicast+0x449/0x710
[ 2270.776078][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2270.776078][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2270.776078][   T10]      ___sys_sendmsg+0xee/0x170
[ 2270.776078][   T10]      __sys_sendmsg+0xcd/0x170
[ 2270.776078][   T10]      do_syscall_64+0xc6/0x1e0
[ 2270.776078][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2270.776078][   T10] 
[ 2270.777616][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2270.777616][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2270.777616][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2270.777616][   T10]      ipv6_find_idev+0x102/0x170
[ 2270.777616][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2270.777616][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2270.777616][   T10]      netlink_rcv_skb+0x130/0x360
[ 2270.777616][   T10]      netlink_unicast+0x449/0x710
[ 2270.777616][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2270.777616][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2270.777616][   T10]      ___sys_sendmsg+0xee/0x170
[ 2270.777616][   T10]      __sys_sendmsg+0xcd/0x170
[ 2270.777616][   T10]      do_syscall_64+0xc6/0x1e0
[ 2270.777616][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2270.777616][   T10] 
[ 2270.779804][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2270.780052][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2270.780052][   T10]      netdev_get_by_index+0x5e/0x80
[ 2270.780052][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2270.780052][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2270.780052][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2270.780052][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2270.780052][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2270.780052][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2270.780052][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2270.780052][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2270.780052][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2270.780052][   T10]      vfs_write+0x9e5/0x10a0
[ 2270.780052][   T10]      ksys_write+0xf5/0x1e0
[ 2270.780052][   T10]      do_syscall_64+0xc6/0x1e0
[ 2270.780052][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2270.780052][   T10] 
[ 2270.781878][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2270.781878][   T10]      netdev_get_by_index+0x5e/0x80
[ 2270.781878][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2270.781878][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2270.781878][   T10]      ip6_route_add+0x1c/0x140
[ 2270.781878][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2270.781878][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2270.781878][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2270.781878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2270.781878][   T10]      netlink_rcv_skb+0x130/0x360
[ 2270.781878][   T10]      netlink_unicast+0x449/0x710
[ 2270.781878][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2270.781878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2270.781878][   T10]      ___sys_sendmsg+0xee/0x170
[ 2270.781878][   T10]      __sys_sendmsg+0xcd/0x170
[ 2270.781878][   T10]      do_syscall_64+0xc6/0x1e0
[ 2270.781878][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2270.781878][   T10] 
[ 2270.783894][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2270.783894][   T10]      netdev_get_by_index+0x5e/0x80
[ 2270.783894][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2270.783894][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2270.783894][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2270.783894][   T10]      ipv6_add_addr+0x411/0x2000
[ 2270.783894][   T10]      inet6_addr_add+0x30e/0xa40
[ 2270.783894][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2270.783894][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2270.783894][   T10]      netlink_rcv_skb+0x130/0x360
[ 2270.783894][   T10]      netlink_unicast+0x449/0x710
[ 2270.783894][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2270.783894][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2270.783894][   T10]      ___sys_sendmsg+0xee/0x170
[ 2270.783894][   T10]      __sys_sendmsg+0xcd/0x170
[ 2270.783894][   T10]      do_syscall_64+0xc6/0x1e0
[ 2270.783894][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2270.783894][   T10] 
[ 2270.785921][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2270.785921][   T10]      netdev_get_by_index+0x5e/0x80
[ 2270.785921][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2270.785921][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2270.785921][   T10]      ip6_route_add+0x1c/0x140
[ 2270.785921][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2270.785921][   T10]      addrconf_add_dev+0xe2/0x170
[ 2270.785921][   T10]      inet6_addr_add+0x12f/0xa40
[ 2270.785921][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2270.785921][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2270.785921][   T10]      netlink_rcv_skb+0x130/0x360
[ 2270.785921][   T10]      netlink_unicast+0x449/0x710
[ 2270.785921][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2270.785921][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2270.785921][   T10]      ___sys_sendmsg+0xee/0x170
[ 2270.785921][   T10]      __sys_sendmsg+0xcd/0x170
[ 2270.785921][   T10]      do_syscall_64+0xc6/0x1e0
[ 2270.785921][   T10] 
[ 2270.787891][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2270.787891][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2270.787891][   T10]      ipv6_find_idev+0x102/0x170
[ 2270.787891][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2270.787891][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2270.787891][   T10]      netlink_rcv_skb+0x130/0x360
[ 2270.787891][   T10]      netlink_unicast+0x449/0x710
[ 2270.787891][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2270.787891][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2270.787891][   T10]      ___sys_sendmsg+0xee/0x170
[ 2270.787891][   T10]      __sys_sendmsg+0xcd/0x170
[ 2270.787891][   T10]      do_syscall_64+0xc6/0x1e0
[ 2270.787891][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2270.787891][   T10] 
[ 2270.789593][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2270.789593][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2270.789593][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2270.789593][   T10]      ipv6_find_idev+0x102/0x170
[ 2270.789593][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2270.789593][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2270.789593][   T10]      netlink_rcv_skb+0x130/0x360
[ 2270.789593][   T10]      netlink_unicast+0x449/0x710
[ 2270.789593][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2270.789593][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2270.789593][   T10]      ___sys_sendmsg+0xee/0x170
[ 2270.789593][   T10]      __sys_sendmsg+0xcd/0x170
[ 2270.789593][   T10]      do_syscall_64+0xc6/0x1e0
[ 2270.789593][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2270.789593][   T10] 
[ 2281.039909][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2281.040442][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2281.040442][   T10]      dst_init+0x84/0x4a0
[ 2281.040442][   T10]      dst_alloc+0x97/0x150
[ 2281.040442][   T10]      ip6_dst_alloc+0x23/0x90
[ 2281.040442][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2281.040442][   T10]      ip6_pol_route+0x56f/0x840
[ 2281.040442][   T10]      fib6_rule_lookup+0x456/0x630
[ 2281.040442][   T10]      ip6_route_input+0x59c/0xa50
[ 2281.040442][   T10]      ipv6_rcv+0x397/0x810
[ 2281.040442][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2281.040442][   T10]      process_backlog+0x101/0x620
[ 2281.040442][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2281.040442][   T10]      net_rx_action+0x495/0xbe0
[ 2281.040442][   T10]      __do_softirq+0x1b5/0x7f6
[ 2281.040442][   T10] 
[ 2281.042101][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2281.042101][   T10]      netdev_get_by_index+0x5e/0x80
[ 2281.042101][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2281.042101][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2281.042101][   T10]      ip6_route_add+0x1c/0x140
[ 2281.042101][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2281.042101][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2281.042101][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2281.042101][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2281.042101][   T10]      netlink_rcv_skb+0x130/0x360
[ 2281.042101][   T10]      netlink_unicast+0x449/0x710
[ 2281.042101][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2281.042101][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2281.042101][   T10]      ___sys_sendmsg+0xee/0x170
[ 2281.042101][   T10]      __sys_sendmsg+0xcd/0x170
[ 2281.042101][   T10]      do_syscall_64+0xc6/0x1e0
[ 2281.042101][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2281.042101][   T10] 
[ 2281.044251][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2281.044251][   T10]      netdev_get_by_index+0x5e/0x80
[ 2281.044251][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2281.044251][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2281.044251][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2281.044251][   T10]      ipv6_add_addr+0x411/0x2000
[ 2281.044251][   T10]      inet6_addr_add+0x30e/0xa40
[ 2281.044251][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2281.044251][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2281.044251][   T10]      netlink_rcv_skb+0x130/0x360
[ 2281.044251][   T10]      netlink_unicast+0x449/0x710
[ 2281.044251][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2281.044251][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2281.044251][   T10]      ___sys_sendmsg+0xee/0x170
[ 2281.044251][   T10]      __sys_sendmsg+0xcd/0x170
[ 2281.044251][   T10]      do_syscall_64+0xc6/0x1e0
[ 2281.044251][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2281.044251][   T10] 
[ 2281.046266][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2281.046266][   T10]      netdev_get_by_index+0x5e/0x80
[ 2281.046266][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2281.046266][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2281.046266][   T10]      ip6_route_add+0x1c/0x140
[ 2281.046266][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2281.046266][   T10]      addrconf_add_dev+0xe2/0x170
[ 2281.046266][   T10]      inet6_addr_add+0x12f/0xa40
[ 2281.046266][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2281.046266][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2281.046266][   T10]      netlink_rcv_skb+0x130/0x360
[ 2281.046266][   T10]      netlink_unicast+0x449/0x710
[ 2281.046266][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2281.046266][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2281.046266][   T10]      ___sys_sendmsg+0xee/0x170
[ 2281.046266][   T10]      __sys_sendmsg+0xcd/0x170
[ 2281.046266][   T10]      do_syscall_64+0xc6/0x1e0
[ 2281.046266][   T10] 
[ 2281.048253][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2281.048253][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2281.048253][   T10]      ipv6_find_idev+0x102/0x170
[ 2281.048253][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2281.048253][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2281.048253][   T10]      netlink_rcv_skb+0x130/0x360
[ 2281.048253][   T10]      netlink_unicast+0x449/0x710
[ 2281.048253][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2281.048253][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2281.048253][   T10]      ___sys_sendmsg+0xee/0x170
[ 2281.048253][   T10]      __sys_sendmsg+0xcd/0x170
[ 2281.048253][   T10]      do_syscall_64+0xc6/0x1e0
[ 2281.048253][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2281.048253][   T10] 
[ 2281.049831][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2281.049831][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2281.049831][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2281.049831][   T10]      ipv6_find_idev+0x102/0x170
[ 2281.049831][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2281.049831][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2281.049831][   T10]      netlink_rcv_skb+0x130/0x360
[ 2281.049831][   T10]      netlink_unicast+0x449/0x710
[ 2281.049831][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2281.049831][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2281.049831][   T10]      ___sys_sendmsg+0xee/0x170
[ 2281.049831][   T10]      __sys_sendmsg+0xcd/0x170
[ 2281.049831][   T10]      do_syscall_64+0xc6/0x1e0
[ 2281.049831][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2281.049831][   T10] 
[ 2281.051557][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2281.051820][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2281.051820][   T10]      netdev_get_by_index+0x5e/0x80
[ 2281.051820][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2281.051820][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2281.051820][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2281.051820][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2281.051820][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2281.051820][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2281.051820][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2281.051820][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2281.051820][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2281.051820][   T10]      vfs_write+0x9e5/0x10a0
[ 2281.051820][   T10]      ksys_write+0xf5/0x1e0
[ 2281.051820][   T10]      do_syscall_64+0xc6/0x1e0
[ 2281.051820][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2281.051820][   T10] 
[ 2281.053673][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2281.053673][   T10]      netdev_get_by_index+0x5e/0x80
[ 2281.053673][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2281.053673][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2281.053673][   T10]      ip6_route_add+0x1c/0x140
[ 2281.053673][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2281.053673][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2281.053673][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2281.053673][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2281.053673][   T10]      netlink_rcv_skb+0x130/0x360
[ 2281.053673][   T10]      netlink_unicast+0x449/0x710
[ 2281.053673][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2281.053673][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2281.053673][   T10]      ___sys_sendmsg+0xee/0x170
[ 2281.053673][   T10]      __sys_sendmsg+0xcd/0x170
[ 2281.053673][   T10]      do_syscall_64+0xc6/0x1e0
[ 2281.053673][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2281.053673][   T10] 
[ 2281.055714][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2281.055714][   T10]      netdev_get_by_index+0x5e/0x80
[ 2281.055714][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2281.055714][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2281.055714][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2281.055714][   T10]      ipv6_add_addr+0x411/0x2000
[ 2281.055714][   T10]      inet6_addr_add+0x30e/0xa40
[ 2281.055714][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2281.055714][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2281.055714][   T10]      netlink_rcv_skb+0x130/0x360
[ 2281.055714][   T10]      netlink_unicast+0x449/0x710
[ 2281.055714][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2281.055714][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2281.055714][   T10]      ___sys_sendmsg+0xee/0x170
[ 2281.055714][   T10]      __sys_sendmsg+0xcd/0x170
[ 2281.055714][   T10]      do_syscall_64+0xc6/0x1e0
[ 2281.055714][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2281.055714][   T10] 
[ 2281.057735][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2281.057735][   T10]      netdev_get_by_index+0x5e/0x80
[ 2281.057735][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2281.057735][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2281.057735][   T10]      ip6_route_add+0x1c/0x140
[ 2281.057735][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2281.057735][   T10]      addrconf_add_dev+0xe2/0x170
[ 2281.057735][   T10]      inet6_addr_add+0x12f/0xa40
[ 2281.057735][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2281.057735][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2281.057735][   T10]      netlink_rcv_skb+0x130/0x360
[ 2281.057735][   T10]      netlink_unicast+0x449/0x710
[ 2281.057735][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2281.057735][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2281.057735][   T10]      ___sys_sendmsg+0xee/0x170
[ 2281.057735][   T10]      __sys_sendmsg+0xcd/0x170
[ 2281.057735][   T10]      do_syscall_64+0xc6/0x1e0
[ 2281.057735][   T10] 
[ 2281.059740][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2281.059740][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2281.059740][   T10]      ipv6_find_idev+0x102/0x170
[ 2281.059740][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2281.059740][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2281.059740][   T10]      netlink_rcv_skb+0x130/0x360
[ 2281.059740][   T10]      netlink_unicast+0x449/0x710
[ 2281.059740][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2281.059740][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2281.059740][   T10]      ___sys_sendmsg+0xee/0x170
[ 2281.059740][   T10]      __sys_sendmsg+0xcd/0x170
[ 2281.059740][   T10]      do_syscall_64+0xc6/0x1e0
[ 2281.059740][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2281.059740][   T10] 
[ 2281.061303][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2281.061303][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2281.061303][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2281.061303][   T10]      ipv6_find_idev+0x102/0x170
[ 2281.061303][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2281.061303][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2281.061303][   T10]      netlink_rcv_skb+0x130/0x360
[ 2281.061303][   T10]      netlink_unicast+0x449/0x710
[ 2281.061303][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2281.061303][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2281.061303][   T10]      ___sys_sendmsg+0xee/0x170
[ 2281.061303][   T10]      __sys_sendmsg+0xcd/0x170
[ 2281.061303][   T10]      do_syscall_64+0xc6/0x1e0
[ 2281.061303][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2281.061303][   T10] 
[ 2291.143891][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2291.144431][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2291.144431][   T10]      dst_init+0x84/0x4a0
[ 2291.144431][   T10]      dst_alloc+0x97/0x150
[ 2291.144431][   T10]      ip6_dst_alloc+0x23/0x90
[ 2291.144431][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2291.144431][   T10]      ip6_pol_route+0x56f/0x840
[ 2291.144431][   T10]      fib6_rule_lookup+0x456/0x630
[ 2291.144431][   T10]      ip6_route_input+0x59c/0xa50
[ 2291.144431][   T10]      ipv6_rcv+0x397/0x810
[ 2291.144431][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2291.144431][   T10]      process_backlog+0x101/0x620
[ 2291.144431][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2291.144431][   T10]      net_rx_action+0x495/0xbe0
[ 2291.144431][   T10]      __do_softirq+0x1b5/0x7f6
[ 2291.144431][   T10] 
[ 2291.146118][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2291.146118][   T10]      netdev_get_by_index+0x5e/0x80
[ 2291.146118][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2291.146118][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2291.146118][   T10]      ip6_route_add+0x1c/0x140
[ 2291.146118][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2291.146118][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2291.146118][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2291.146118][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2291.146118][   T10]      netlink_rcv_skb+0x130/0x360
[ 2291.146118][   T10]      netlink_unicast+0x449/0x710
[ 2291.146118][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2291.146118][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2291.146118][   T10]      ___sys_sendmsg+0xee/0x170
[ 2291.146118][   T10]      __sys_sendmsg+0xcd/0x170
[ 2291.146118][   T10]      do_syscall_64+0xc6/0x1e0
[ 2291.146118][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2291.146118][   T10] 
[ 2291.148153][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2291.148153][   T10]      netdev_get_by_index+0x5e/0x80
[ 2291.148153][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2291.148153][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2291.148153][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2291.148153][   T10]      ipv6_add_addr+0x411/0x2000
[ 2291.148153][   T10]      inet6_addr_add+0x30e/0xa40
[ 2291.148153][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2291.148153][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2291.148153][   T10]      netlink_rcv_skb+0x130/0x360
[ 2291.148153][   T10]      netlink_unicast+0x449/0x710
[ 2291.148153][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2291.148153][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2291.148153][   T10]      ___sys_sendmsg+0xee/0x170
[ 2291.148153][   T10]      __sys_sendmsg+0xcd/0x170
[ 2291.148153][   T10]      do_syscall_64+0xc6/0x1e0
[ 2291.148153][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2291.148153][   T10] 
[ 2291.150149][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2291.150149][   T10]      netdev_get_by_index+0x5e/0x80
[ 2291.150149][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2291.150149][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2291.150149][   T10]      ip6_route_add+0x1c/0x140
[ 2291.150149][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2291.150149][   T10]      addrconf_add_dev+0xe2/0x170
[ 2291.150149][   T10]      inet6_addr_add+0x12f/0xa40
[ 2291.150149][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2291.150149][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2291.150149][   T10]      netlink_rcv_skb+0x130/0x360
[ 2291.150149][   T10]      netlink_unicast+0x449/0x710
[ 2291.150149][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2291.150149][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2291.150149][   T10]      ___sys_sendmsg+0xee/0x170
[ 2291.150149][   T10]      __sys_sendmsg+0xcd/0x170
[ 2291.150149][   T10]      do_syscall_64+0xc6/0x1e0
[ 2291.150149][   T10] 
[ 2291.152148][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2291.152148][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2291.152148][   T10]      ipv6_find_idev+0x102/0x170
[ 2291.152148][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2291.152148][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2291.152148][   T10]      netlink_rcv_skb+0x130/0x360
[ 2291.152148][   T10]      netlink_unicast+0x449/0x710
[ 2291.152148][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2291.152148][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2291.152148][   T10]      ___sys_sendmsg+0xee/0x170
[ 2291.152148][   T10]      __sys_sendmsg+0xcd/0x170
[ 2291.152148][   T10]      do_syscall_64+0xc6/0x1e0
[ 2291.152148][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2291.152148][   T10] 
[ 2291.153695][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2291.153695][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2291.153695][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2291.153695][   T10]      ipv6_find_idev+0x102/0x170
[ 2291.153695][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2291.153695][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2291.153695][   T10]      netlink_rcv_skb+0x130/0x360
[ 2291.153695][   T10]      netlink_unicast+0x449/0x710
[ 2291.153695][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2291.153695][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2291.153695][   T10]      ___sys_sendmsg+0xee/0x170
[ 2291.153695][   T10]      __sys_sendmsg+0xcd/0x170
[ 2291.153695][   T10]      do_syscall_64+0xc6/0x1e0
[ 2291.153695][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2291.153695][   T10] 
[ 2291.155438][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2291.155708][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2291.155708][   T10]      netdev_get_by_index+0x5e/0x80
[ 2291.155708][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2291.155708][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2291.155708][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2291.155708][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2291.155708][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2291.155708][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2291.155708][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2291.155708][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2291.155708][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2291.155708][   T10]      vfs_write+0x9e5/0x10a0
[ 2291.155708][   T10]      ksys_write+0xf5/0x1e0
[ 2291.155708][   T10]      do_syscall_64+0xc6/0x1e0
[ 2291.155708][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2291.155708][   T10] 
[ 2291.157563][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2291.157563][   T10]      netdev_get_by_index+0x5e/0x80
[ 2291.157563][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2291.157563][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2291.157563][   T10]      ip6_route_add+0x1c/0x140
[ 2291.157563][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2291.157563][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2291.157563][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2291.157563][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2291.157563][   T10]      netlink_rcv_skb+0x130/0x360
[ 2291.157563][   T10]      netlink_unicast+0x449/0x710
[ 2291.157563][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2291.157563][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2291.157563][   T10]      ___sys_sendmsg+0xee/0x170
[ 2291.157563][   T10]      __sys_sendmsg+0xcd/0x170
[ 2291.157563][   T10]      do_syscall_64+0xc6/0x1e0
[ 2291.157563][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2291.157563][   T10] 
[ 2291.159622][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2291.159622][   T10]      netdev_get_by_index+0x5e/0x80
[ 2291.159622][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2291.159622][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2291.159622][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2291.159622][   T10]      ipv6_add_addr+0x411/0x2000
[ 2291.159622][   T10]      inet6_addr_add+0x30e/0xa40
[ 2291.159622][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2291.159622][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2291.159622][   T10]      netlink_rcv_skb+0x130/0x360
[ 2291.159622][   T10]      netlink_unicast+0x449/0x710
[ 2291.159622][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2291.159622][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2291.159622][   T10]      ___sys_sendmsg+0xee/0x170
[ 2291.159622][   T10]      __sys_sendmsg+0xcd/0x170
[ 2291.159622][   T10]      do_syscall_64+0xc6/0x1e0
[ 2291.159622][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2291.159622][   T10] 
[ 2291.161664][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2291.161664][   T10]      netdev_get_by_index+0x5e/0x80
[ 2291.161664][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2291.161664][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2291.161664][   T10]      ip6_route_add+0x1c/0x140
[ 2291.161664][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2291.161664][   T10]      addrconf_add_dev+0xe2/0x170
[ 2291.161664][   T10]      inet6_addr_add+0x12f/0xa40
[ 2291.161664][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2291.161664][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2291.161664][   T10]      netlink_rcv_skb+0x130/0x360
[ 2291.161664][   T10]      netlink_unicast+0x449/0x710
[ 2291.161664][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2291.161664][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2291.161664][   T10]      ___sys_sendmsg+0xee/0x170
[ 2291.161664][   T10]      __sys_sendmsg+0xcd/0x170
[ 2291.161664][   T10]      do_syscall_64+0xc6/0x1e0
[ 2291.161664][   T10] 
[ 2291.163729][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2291.163729][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2291.163729][   T10]      ipv6_find_idev+0x102/0x170
[ 2291.163729][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2291.163729][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2291.163729][   T10]      netlink_rcv_skb+0x130/0x360
[ 2291.163729][   T10]      netlink_unicast+0x449/0x710
[ 2291.163729][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2291.163729][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2291.163729][   T10]      ___sys_sendmsg+0xee/0x170
[ 2291.163729][   T10]      __sys_sendmsg+0xcd/0x170
[ 2291.163729][   T10]      do_syscall_64+0xc6/0x1e0
[ 2291.163729][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2291.163729][   T10] 
[ 2291.165303][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2291.165303][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2291.165303][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2291.165303][   T10]      ipv6_find_idev+0x102/0x170
[ 2291.165303][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2291.165303][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2291.165303][   T10]      netlink_rcv_skb+0x130/0x360
[ 2291.165303][   T10]      netlink_unicast+0x449/0x710
[ 2291.165303][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2291.165303][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2291.165303][   T10]      ___sys_sendmsg+0xee/0x170
[ 2291.165303][   T10]      __sys_sendmsg+0xcd/0x170
[ 2291.165303][   T10]      do_syscall_64+0xc6/0x1e0
[ 2291.165303][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2291.165303][   T10] 
[ 2301.407877][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2301.408480][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2301.408480][   T10]      dst_init+0x84/0x4a0
[ 2301.408480][   T10]      dst_alloc+0x97/0x150
[ 2301.408480][   T10]      ip6_dst_alloc+0x23/0x90
[ 2301.408480][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2301.408480][   T10]      ip6_pol_route+0x56f/0x840
[ 2301.408480][   T10]      fib6_rule_lookup+0x456/0x630
[ 2301.408480][   T10]      ip6_route_input+0x59c/0xa50
[ 2301.408480][   T10]      ipv6_rcv+0x397/0x810
[ 2301.408480][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2301.408480][   T10]      process_backlog+0x101/0x620
[ 2301.408480][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2301.408480][   T10]      net_rx_action+0x495/0xbe0
[ 2301.408480][   T10]      __do_softirq+0x1b5/0x7f6
[ 2301.408480][   T10] 
[ 2301.410143][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2301.410143][   T10]      netdev_get_by_index+0x5e/0x80
[ 2301.410143][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2301.410143][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2301.410143][   T10]      ip6_route_add+0x1c/0x140
[ 2301.410143][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2301.410143][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2301.410143][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2301.410143][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2301.410143][   T10]      netlink_rcv_skb+0x130/0x360
[ 2301.410143][   T10]      netlink_unicast+0x449/0x710
[ 2301.410143][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2301.410143][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2301.410143][   T10]      ___sys_sendmsg+0xee/0x170
[ 2301.410143][   T10]      __sys_sendmsg+0xcd/0x170
[ 2301.410143][   T10]      do_syscall_64+0xc6/0x1e0
[ 2301.410143][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2301.410143][   T10] 
[ 2301.412112][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2301.412112][   T10]      netdev_get_by_index+0x5e/0x80
[ 2301.412112][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2301.412112][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2301.412112][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2301.412112][   T10]      ipv6_add_addr+0x411/0x2000
[ 2301.412112][   T10]      inet6_addr_add+0x30e/0xa40
[ 2301.412112][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2301.412112][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2301.412112][   T10]      netlink_rcv_skb+0x130/0x360
[ 2301.412112][   T10]      netlink_unicast+0x449/0x710
[ 2301.412112][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2301.412112][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2301.412112][   T10]      ___sys_sendmsg+0xee/0x170
[ 2301.412112][   T10]      __sys_sendmsg+0xcd/0x170
[ 2301.412112][   T10]      do_syscall_64+0xc6/0x1e0
[ 2301.412112][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2301.412112][   T10] 
[ 2301.414074][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2301.414074][   T10]      netdev_get_by_index+0x5e/0x80
[ 2301.414074][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2301.414074][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2301.414074][   T10]      ip6_route_add+0x1c/0x140
[ 2301.414074][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2301.414074][   T10]      addrconf_add_dev+0xe2/0x170
[ 2301.414074][   T10]      inet6_addr_add+0x12f/0xa40
[ 2301.414074][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2301.414074][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2301.414074][   T10]      netlink_rcv_skb+0x130/0x360
[ 2301.414074][   T10]      netlink_unicast+0x449/0x710
[ 2301.414074][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2301.414074][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2301.414074][   T10]      ___sys_sendmsg+0xee/0x170
[ 2301.414074][   T10]      __sys_sendmsg+0xcd/0x170
[ 2301.414074][   T10]      do_syscall_64+0xc6/0x1e0
[ 2301.414074][   T10] 
[ 2301.416067][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2301.416067][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2301.416067][   T10]      ipv6_find_idev+0x102/0x170
[ 2301.416067][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2301.416067][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2301.416067][   T10]      netlink_rcv_skb+0x130/0x360
[ 2301.416067][   T10]      netlink_unicast+0x449/0x710
[ 2301.416067][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2301.416067][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2301.416067][   T10]      ___sys_sendmsg+0xee/0x170
[ 2301.416067][   T10]      __sys_sendmsg+0xcd/0x170
[ 2301.416067][   T10]      do_syscall_64+0xc6/0x1e0
[ 2301.416067][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2301.416067][   T10] 
[ 2301.417608][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2301.417608][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2301.417608][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2301.417608][   T10]      ipv6_find_idev+0x102/0x170
[ 2301.417608][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2301.417608][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2301.417608][   T10]      netlink_rcv_skb+0x130/0x360
[ 2301.417608][   T10]      netlink_unicast+0x449/0x710
[ 2301.417608][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2301.417608][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2301.417608][   T10]      ___sys_sendmsg+0xee/0x170
[ 2301.417608][   T10]      __sys_sendmsg+0xcd/0x170
[ 2301.417608][   T10]      do_syscall_64+0xc6/0x1e0
[ 2301.417608][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2301.417608][   T10] 
[ 2301.419260][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2301.419517][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2301.419517][   T10]      netdev_get_by_index+0x5e/0x80
[ 2301.419517][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2301.419517][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2301.419517][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2301.419517][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2301.419517][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2301.419517][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2301.419517][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2301.419517][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2301.419517][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2301.419517][   T10]      vfs_write+0x9e5/0x10a0
[ 2301.419517][   T10]      ksys_write+0xf5/0x1e0
[ 2301.419517][   T10]      do_syscall_64+0xc6/0x1e0
[ 2301.419517][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2301.419517][   T10] 
[ 2301.421374][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2301.421374][   T10]      netdev_get_by_index+0x5e/0x80
[ 2301.421374][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2301.421374][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2301.421374][   T10]      ip6_route_add+0x1c/0x140
[ 2301.421374][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2301.421374][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2301.421374][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2301.421374][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2301.421374][   T10]      netlink_rcv_skb+0x130/0x360
[ 2301.421374][   T10]      netlink_unicast+0x449/0x710
[ 2301.421374][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2301.421374][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2301.421374][   T10]      ___sys_sendmsg+0xee/0x170
[ 2301.421374][   T10]      __sys_sendmsg+0xcd/0x170
[ 2301.421374][   T10]      do_syscall_64+0xc6/0x1e0
[ 2301.421374][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2301.421374][   T10] 
[ 2301.423321][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2301.423321][   T10]      netdev_get_by_index+0x5e/0x80
[ 2301.423321][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2301.423321][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2301.423321][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2301.423321][   T10]      ipv6_add_addr+0x411/0x2000
[ 2301.423321][   T10]      inet6_addr_add+0x30e/0xa40
[ 2301.423321][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2301.423321][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2301.423321][   T10]      netlink_rcv_skb+0x130/0x360
[ 2301.423321][   T10]      netlink_unicast+0x449/0x710
[ 2301.423321][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2301.423321][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2301.423321][   T10]      ___sys_sendmsg+0xee/0x170
[ 2301.423321][   T10]      __sys_sendmsg+0xcd/0x170
[ 2301.423321][   T10]      do_syscall_64+0xc6/0x1e0
[ 2301.423321][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2301.423321][   T10] 
[ 2301.425322][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2301.425322][   T10]      netdev_get_by_index+0x5e/0x80
[ 2301.425322][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2301.425322][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2301.425322][   T10]      ip6_route_add+0x1c/0x140
[ 2301.425322][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2301.425322][   T10]      addrconf_add_dev+0xe2/0x170
[ 2301.425322][   T10]      inet6_addr_add+0x12f/0xa40
[ 2301.425322][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2301.425322][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2301.425322][   T10]      netlink_rcv_skb+0x130/0x360
[ 2301.425322][   T10]      netlink_unicast+0x449/0x710
[ 2301.425322][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2301.425322][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2301.425322][   T10]      ___sys_sendmsg+0xee/0x170
[ 2301.425322][   T10]      __sys_sendmsg+0xcd/0x170
[ 2301.425322][   T10]      do_syscall_64+0xc6/0x1e0
[ 2301.425322][   T10] 
[ 2301.427287][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2301.427287][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2301.427287][   T10]      ipv6_find_idev+0x102/0x170
[ 2301.427287][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2301.427287][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2301.427287][   T10]      netlink_rcv_skb+0x130/0x360
[ 2301.427287][   T10]      netlink_unicast+0x449/0x710
[ 2301.427287][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2301.427287][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2301.427287][   T10]      ___sys_sendmsg+0xee/0x170
[ 2301.427287][   T10]      __sys_sendmsg+0xcd/0x170
[ 2301.427287][   T10]      do_syscall_64+0xc6/0x1e0
[ 2301.427287][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2301.427287][   T10] 
[ 2301.428821][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2301.428821][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2301.428821][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2301.428821][   T10]      ipv6_find_idev+0x102/0x170
[ 2301.428821][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2301.428821][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2301.428821][   T10]      netlink_rcv_skb+0x130/0x360
[ 2301.428821][   T10]      netlink_unicast+0x449/0x710
[ 2301.428821][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2301.428821][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2301.428821][   T10]      ___sys_sendmsg+0xee/0x170
[ 2301.428821][   T10]      __sys_sendmsg+0xcd/0x170
[ 2301.428821][   T10]      do_syscall_64+0xc6/0x1e0
[ 2301.428821][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2301.428821][   T10] 
[ 2311.495893][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2311.496387][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2311.496387][   T10]      dst_init+0x84/0x4a0
[ 2311.496387][   T10]      dst_alloc+0x97/0x150
[ 2311.496387][   T10]      ip6_dst_alloc+0x23/0x90
[ 2311.496387][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2311.496387][   T10]      ip6_pol_route+0x56f/0x840
[ 2311.496387][   T10]      fib6_rule_lookup+0x456/0x630
[ 2311.496387][   T10]      ip6_route_input+0x59c/0xa50
[ 2311.496387][   T10]      ipv6_rcv+0x397/0x810
[ 2311.496387][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2311.496387][   T10]      process_backlog+0x101/0x620
[ 2311.496387][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2311.496387][   T10]      net_rx_action+0x495/0xbe0
[ 2311.496387][   T10]      __do_softirq+0x1b5/0x7f6
[ 2311.496387][   T10] 
[ 2311.498026][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2311.498026][   T10]      netdev_get_by_index+0x5e/0x80
[ 2311.498026][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2311.498026][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2311.498026][   T10]      ip6_route_add+0x1c/0x140
[ 2311.498026][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2311.498026][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2311.498026][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2311.498026][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2311.498026][   T10]      netlink_rcv_skb+0x130/0x360
[ 2311.498026][   T10]      netlink_unicast+0x449/0x710
[ 2311.498026][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2311.498026][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2311.498026][   T10]      ___sys_sendmsg+0xee/0x170
[ 2311.498026][   T10]      __sys_sendmsg+0xcd/0x170
[ 2311.498026][   T10]      do_syscall_64+0xc6/0x1e0
[ 2311.498026][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2311.498026][   T10] 
[ 2311.499994][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2311.499994][   T10]      netdev_get_by_index+0x5e/0x80
[ 2311.499994][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2311.499994][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2311.499994][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2311.499994][   T10]      ipv6_add_addr+0x411/0x2000
[ 2311.499994][   T10]      inet6_addr_add+0x30e/0xa40
[ 2311.499994][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2311.499994][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2311.499994][   T10]      netlink_rcv_skb+0x130/0x360
[ 2311.499994][   T10]      netlink_unicast+0x449/0x710
[ 2311.499994][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2311.499994][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2311.499994][   T10]      ___sys_sendmsg+0xee/0x170
[ 2311.499994][   T10]      __sys_sendmsg+0xcd/0x170
[ 2311.499994][   T10]      do_syscall_64+0xc6/0x1e0
[ 2311.499994][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2311.499994][   T10] 
[ 2311.501991][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2311.501991][   T10]      netdev_get_by_index+0x5e/0x80
[ 2311.501991][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2311.501991][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2311.501991][   T10]      ip6_route_add+0x1c/0x140
[ 2311.501991][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2311.501991][   T10]      addrconf_add_dev+0xe2/0x170
[ 2311.501991][   T10]      inet6_addr_add+0x12f/0xa40
[ 2311.501991][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2311.501991][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2311.501991][   T10]      netlink_rcv_skb+0x130/0x360
[ 2311.501991][   T10]      netlink_unicast+0x449/0x710
[ 2311.501991][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2311.501991][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2311.501991][   T10]      ___sys_sendmsg+0xee/0x170
[ 2311.501991][   T10]      __sys_sendmsg+0xcd/0x170
[ 2311.501991][   T10]      do_syscall_64+0xc6/0x1e0
[ 2311.501991][   T10] 
[ 2311.503969][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2311.503969][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2311.503969][   T10]      ipv6_find_idev+0x102/0x170
[ 2311.503969][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2311.503969][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2311.503969][   T10]      netlink_rcv_skb+0x130/0x360
[ 2311.503969][   T10]      netlink_unicast+0x449/0x710
[ 2311.503969][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2311.503969][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2311.503969][   T10]      ___sys_sendmsg+0xee/0x170
[ 2311.503969][   T10]      __sys_sendmsg+0xcd/0x170
[ 2311.503969][   T10]      do_syscall_64+0xc6/0x1e0
[ 2311.503969][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2311.503969][   T10] 
[ 2311.505528][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2311.505528][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2311.505528][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2311.505528][   T10]      ipv6_find_idev+0x102/0x170
[ 2311.505528][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2311.505528][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2311.505528][   T10]      netlink_rcv_skb+0x130/0x360
[ 2311.505528][   T10]      netlink_unicast+0x449/0x710
[ 2311.505528][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2311.505528][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2311.505528][   T10]      ___sys_sendmsg+0xee/0x170
[ 2311.505528][   T10]      __sys_sendmsg+0xcd/0x170
[ 2311.505528][   T10]      do_syscall_64+0xc6/0x1e0
[ 2311.505528][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2311.505528][   T10] 
[ 2311.507188][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2311.507451][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2311.507451][   T10]      netdev_get_by_index+0x5e/0x80
[ 2311.507451][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2311.507451][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2311.507451][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2311.507451][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2311.507451][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2311.507451][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2311.507451][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2311.507451][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2311.507451][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2311.507451][   T10]      vfs_write+0x9e5/0x10a0
[ 2311.507451][   T10]      ksys_write+0xf5/0x1e0
[ 2311.507451][   T10]      do_syscall_64+0xc6/0x1e0
[ 2311.507451][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2311.507451][   T10] 
[ 2311.509269][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2311.509269][   T10]      netdev_get_by_index+0x5e/0x80
[ 2311.509269][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2311.509269][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2311.509269][   T10]      ip6_route_add+0x1c/0x140
[ 2311.509269][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2311.509269][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2311.509269][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2311.509269][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2311.509269][   T10]      netlink_rcv_skb+0x130/0x360
[ 2311.509269][   T10]      netlink_unicast+0x449/0x710
[ 2311.509269][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2311.509269][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2311.509269][   T10]      ___sys_sendmsg+0xee/0x170
[ 2311.509269][   T10]      __sys_sendmsg+0xcd/0x170
[ 2311.509269][   T10]      do_syscall_64+0xc6/0x1e0
[ 2311.509269][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2311.509269][   T10] 
[ 2311.511320][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2311.511320][   T10]      netdev_get_by_index+0x5e/0x80
[ 2311.511320][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2311.511320][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2311.511320][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2311.511320][   T10]      ipv6_add_addr+0x411/0x2000
[ 2311.511320][   T10]      inet6_addr_add+0x30e/0xa40
[ 2311.511320][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2311.511320][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2311.511320][   T10]      netlink_rcv_skb+0x130/0x360
[ 2311.511320][   T10]      netlink_unicast+0x449/0x710
[ 2311.511320][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2311.511320][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2311.511320][   T10]      ___sys_sendmsg+0xee/0x170
[ 2311.511320][   T10]      __sys_sendmsg+0xcd/0x170
[ 2311.511320][   T10]      do_syscall_64+0xc6/0x1e0
[ 2311.511320][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2311.511320][   T10] 
[ 2311.513277][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2311.513277][   T10]      netdev_get_by_index+0x5e/0x80
[ 2311.513277][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2311.513277][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2311.513277][   T10]      ip6_route_add+0x1c/0x140
[ 2311.513277][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2311.513277][   T10]      addrconf_add_dev+0xe2/0x170
[ 2311.513277][   T10]      inet6_addr_add+0x12f/0xa40
[ 2311.513277][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2311.513277][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2311.513277][   T10]      netlink_rcv_skb+0x130/0x360
[ 2311.513277][   T10]      netlink_unicast+0x449/0x710
[ 2311.513277][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2311.513277][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2311.513277][   T10]      ___sys_sendmsg+0xee/0x170
[ 2311.513277][   T10]      __sys_sendmsg+0xcd/0x170
[ 2311.513277][   T10]      do_syscall_64+0xc6/0x1e0
[ 2311.513277][   T10] 
[ 2311.515260][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2311.515260][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2311.515260][   T10]      ipv6_find_idev+0x102/0x170
[ 2311.515260][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2311.515260][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2311.515260][   T10]      netlink_rcv_skb+0x130/0x360
[ 2311.515260][   T10]      netlink_unicast+0x449/0x710
[ 2311.515260][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2311.515260][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2311.515260][   T10]      ___sys_sendmsg+0xee/0x170
[ 2311.515260][   T10]      __sys_sendmsg+0xcd/0x170
[ 2311.515260][   T10]      do_syscall_64+0xc6/0x1e0
[ 2311.515260][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2311.515260][   T10] 
[ 2311.516789][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2311.516789][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2311.516789][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2311.516789][   T10]      ipv6_find_idev+0x102/0x170
[ 2311.516789][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2311.516789][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2311.516789][   T10]      netlink_rcv_skb+0x130/0x360
[ 2311.516789][   T10]      netlink_unicast+0x449/0x710
[ 2311.516789][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2311.516789][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2311.516789][   T10]      ___sys_sendmsg+0xee/0x170
[ 2311.516789][   T10]      __sys_sendmsg+0xcd/0x170
[ 2311.516789][   T10]      do_syscall_64+0xc6/0x1e0
[ 2311.516789][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2311.516789][   T10] 
[ 2321.543885][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2321.544614][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2321.544614][   T10]      dst_init+0x84/0x4a0
[ 2321.544614][   T10]      dst_alloc+0x97/0x150
[ 2321.544614][   T10]      ip6_dst_alloc+0x23/0x90
[ 2321.544614][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2321.544614][   T10]      ip6_pol_route+0x56f/0x840
[ 2321.544614][   T10]      fib6_rule_lookup+0x456/0x630
[ 2321.544614][   T10]      ip6_route_input+0x59c/0xa50
[ 2321.544614][   T10]      ipv6_rcv+0x397/0x810
[ 2321.544614][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2321.544614][   T10]      process_backlog+0x101/0x620
[ 2321.544614][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2321.544614][   T10]      net_rx_action+0x495/0xbe0
[ 2321.544614][   T10]      __do_softirq+0x1b5/0x7f6
[ 2321.544614][   T10] 
[ 2321.546289][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2321.546289][   T10]      netdev_get_by_index+0x5e/0x80
[ 2321.546289][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2321.546289][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2321.546289][   T10]      ip6_route_add+0x1c/0x140
[ 2321.546289][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2321.546289][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2321.546289][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2321.546289][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2321.546289][   T10]      netlink_rcv_skb+0x130/0x360
[ 2321.546289][   T10]      netlink_unicast+0x449/0x710
[ 2321.546289][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2321.546289][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2321.546289][   T10]      ___sys_sendmsg+0xee/0x170
[ 2321.546289][   T10]      __sys_sendmsg+0xcd/0x170
[ 2321.546289][   T10]      do_syscall_64+0xc6/0x1e0
[ 2321.546289][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2321.546289][   T10] 
[ 2321.548341][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2321.548341][   T10]      netdev_get_by_index+0x5e/0x80
[ 2321.548341][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2321.548341][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2321.548341][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2321.548341][   T10]      ipv6_add_addr+0x411/0x2000
[ 2321.548341][   T10]      inet6_addr_add+0x30e/0xa40
[ 2321.548341][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2321.548341][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2321.548341][   T10]      netlink_rcv_skb+0x130/0x360
[ 2321.548341][   T10]      netlink_unicast+0x449/0x710
[ 2321.548341][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2321.548341][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2321.548341][   T10]      ___sys_sendmsg+0xee/0x170
[ 2321.548341][   T10]      __sys_sendmsg+0xcd/0x170
[ 2321.548341][   T10]      do_syscall_64+0xc6/0x1e0
[ 2321.548341][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2321.548341][   T10] 
[ 2321.550344][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2321.550344][   T10]      netdev_get_by_index+0x5e/0x80
[ 2321.550344][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2321.550344][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2321.550344][   T10]      ip6_route_add+0x1c/0x140
[ 2321.550344][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2321.550344][   T10]      addrconf_add_dev+0xe2/0x170
[ 2321.550344][   T10]      inet6_addr_add+0x12f/0xa40
[ 2321.550344][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2321.550344][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2321.550344][   T10]      netlink_rcv_skb+0x130/0x360
[ 2321.550344][   T10]      netlink_unicast+0x449/0x710
[ 2321.550344][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2321.550344][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2321.550344][   T10]      ___sys_sendmsg+0xee/0x170
[ 2321.550344][   T10]      __sys_sendmsg+0xcd/0x170
[ 2321.550344][   T10]      do_syscall_64+0xc6/0x1e0
[ 2321.550344][   T10] 
[ 2321.552313][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2321.552313][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2321.552313][   T10]      ipv6_find_idev+0x102/0x170
[ 2321.552313][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2321.552313][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2321.552313][   T10]      netlink_rcv_skb+0x130/0x360
[ 2321.552313][   T10]      netlink_unicast+0x449/0x710
[ 2321.552313][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2321.552313][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2321.552313][   T10]      ___sys_sendmsg+0xee/0x170
[ 2321.552313][   T10]      __sys_sendmsg+0xcd/0x170
[ 2321.552313][   T10]      do_syscall_64+0xc6/0x1e0
[ 2321.552313][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2321.552313][   T10] 
[ 2321.553870][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2321.553870][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2321.553870][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2321.553870][   T10]      ipv6_find_idev+0x102/0x170
[ 2321.553870][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2321.553870][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2321.553870][   T10]      netlink_rcv_skb+0x130/0x360
[ 2321.553870][   T10]      netlink_unicast+0x449/0x710
[ 2321.553870][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2321.553870][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2321.553870][   T10]      ___sys_sendmsg+0xee/0x170
[ 2321.553870][   T10]      __sys_sendmsg+0xcd/0x170
[ 2321.553870][   T10]      do_syscall_64+0xc6/0x1e0
[ 2321.553870][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2321.553870][   T10] 
[ 2321.555552][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2321.555807][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2321.555807][   T10]      netdev_get_by_index+0x5e/0x80
[ 2321.555807][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2321.555807][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2321.555807][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2321.555807][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2321.555807][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2321.555807][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2321.555807][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2321.555807][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2321.555807][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2321.555807][   T10]      vfs_write+0x9e5/0x10a0
[ 2321.555807][   T10]      ksys_write+0xf5/0x1e0
[ 2321.555807][   T10]      do_syscall_64+0xc6/0x1e0
[ 2321.555807][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2321.555807][   T10] 
[ 2321.557621][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2321.557621][   T10]      netdev_get_by_index+0x5e/0x80
[ 2321.557621][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2321.557621][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2321.557621][   T10]      ip6_route_add+0x1c/0x140
[ 2321.557621][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2321.557621][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2321.557621][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2321.557621][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2321.557621][   T10]      netlink_rcv_skb+0x130/0x360
[ 2321.557621][   T10]      netlink_unicast+0x449/0x710
[ 2321.557621][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2321.557621][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2321.557621][   T10]      ___sys_sendmsg+0xee/0x170
[ 2321.557621][   T10]      __sys_sendmsg+0xcd/0x170
[ 2321.557621][   T10]      do_syscall_64+0xc6/0x1e0
[ 2321.557621][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2321.557621][   T10] 
[ 2321.559629][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2321.559629][   T10]      netdev_get_by_index+0x5e/0x80
[ 2321.559629][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2321.559629][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2321.559629][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2321.559629][   T10]      ipv6_add_addr+0x411/0x2000
[ 2321.559629][   T10]      inet6_addr_add+0x30e/0xa40
[ 2321.559629][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2321.559629][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2321.559629][   T10]      netlink_rcv_skb+0x130/0x360
[ 2321.559629][   T10]      netlink_unicast+0x449/0x710
[ 2321.559629][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2321.559629][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2321.559629][   T10]      ___sys_sendmsg+0xee/0x170
[ 2321.559629][   T10]      __sys_sendmsg+0xcd/0x170
[ 2321.559629][   T10]      do_syscall_64+0xc6/0x1e0
[ 2321.559629][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2321.559629][   T10] 
[ 2321.561596][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2321.561596][   T10]      netdev_get_by_index+0x5e/0x80
[ 2321.561596][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2321.561596][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2321.561596][   T10]      ip6_route_add+0x1c/0x140
[ 2321.561596][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2321.561596][   T10]      addrconf_add_dev+0xe2/0x170
[ 2321.561596][   T10]      inet6_addr_add+0x12f/0xa40
[ 2321.561596][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2321.561596][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2321.561596][   T10]      netlink_rcv_skb+0x130/0x360
[ 2321.561596][   T10]      netlink_unicast+0x449/0x710
[ 2321.561596][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2321.561596][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2321.561596][   T10]      ___sys_sendmsg+0xee/0x170
[ 2321.561596][   T10]      __sys_sendmsg+0xcd/0x170
[ 2321.561596][   T10]      do_syscall_64+0xc6/0x1e0
[ 2321.561596][   T10] 
[ 2321.563589][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2321.563589][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2321.563589][   T10]      ipv6_find_idev+0x102/0x170
[ 2321.563589][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2321.563589][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2321.563589][   T10]      netlink_rcv_skb+0x130/0x360
[ 2321.563589][   T10]      netlink_unicast+0x449/0x710
[ 2321.563589][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2321.563589][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2321.563589][   T10]      ___sys_sendmsg+0xee/0x170
[ 2321.563589][   T10]      __sys_sendmsg+0xcd/0x170
[ 2321.563589][   T10]      do_syscall_64+0xc6/0x1e0
[ 2321.563589][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2321.563589][   T10] 
[ 2321.565126][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2321.565126][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2321.565126][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2321.565126][   T10]      ipv6_find_idev+0x102/0x170
[ 2321.565126][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2321.565126][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2321.565126][   T10]      netlink_rcv_skb+0x130/0x360
[ 2321.565126][   T10]      netlink_unicast+0x449/0x710
[ 2321.565126][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2321.565126][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2321.565126][   T10]      ___sys_sendmsg+0xee/0x170
[ 2321.565126][   T10]      __sys_sendmsg+0xcd/0x170
[ 2321.565126][   T10]      do_syscall_64+0xc6/0x1e0
[ 2321.565126][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2321.565126][   T10] 
[ 2331.567875][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2331.568338][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2331.568338][   T10]      dst_init+0x84/0x4a0
[ 2331.568338][   T10]      dst_alloc+0x97/0x150
[ 2331.568338][   T10]      ip6_dst_alloc+0x23/0x90
[ 2331.568338][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2331.568338][   T10]      ip6_pol_route+0x56f/0x840
[ 2331.568338][   T10]      fib6_rule_lookup+0x456/0x630
[ 2331.568338][   T10]      ip6_route_input+0x59c/0xa50
[ 2331.568338][   T10]      ipv6_rcv+0x397/0x810
[ 2331.568338][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2331.568338][   T10]      process_backlog+0x101/0x620
[ 2331.568338][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2331.568338][   T10]      net_rx_action+0x495/0xbe0
[ 2331.568338][   T10]      __do_softirq+0x1b5/0x7f6
[ 2331.568338][   T10] 
[ 2331.569969][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2331.569969][   T10]      netdev_get_by_index+0x5e/0x80
[ 2331.569969][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2331.569969][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2331.569969][   T10]      ip6_route_add+0x1c/0x140
[ 2331.569969][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2331.569969][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2331.569969][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2331.569969][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2331.569969][   T10]      netlink_rcv_skb+0x130/0x360
[ 2331.569969][   T10]      netlink_unicast+0x449/0x710
[ 2331.569969][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2331.569969][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2331.569969][   T10]      ___sys_sendmsg+0xee/0x170
[ 2331.569969][   T10]      __sys_sendmsg+0xcd/0x170
[ 2331.569969][   T10]      do_syscall_64+0xc6/0x1e0
[ 2331.569969][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2331.569969][   T10] 
[ 2331.571933][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2331.571933][   T10]      netdev_get_by_index+0x5e/0x80
[ 2331.571933][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2331.571933][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2331.571933][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2331.571933][   T10]      ipv6_add_addr+0x411/0x2000
[ 2331.571933][   T10]      inet6_addr_add+0x30e/0xa40
[ 2331.571933][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2331.571933][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2331.571933][   T10]      netlink_rcv_skb+0x130/0x360
[ 2331.571933][   T10]      netlink_unicast+0x449/0x710
[ 2331.571933][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2331.571933][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2331.571933][   T10]      ___sys_sendmsg+0xee/0x170
[ 2331.571933][   T10]      __sys_sendmsg+0xcd/0x170
[ 2331.571933][   T10]      do_syscall_64+0xc6/0x1e0
[ 2331.571933][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2331.571933][   T10] 
[ 2331.573945][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2331.573945][   T10]      netdev_get_by_index+0x5e/0x80
[ 2331.573945][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2331.573945][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2331.573945][   T10]      ip6_route_add+0x1c/0x140
[ 2331.573945][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2331.573945][   T10]      addrconf_add_dev+0xe2/0x170
[ 2331.573945][   T10]      inet6_addr_add+0x12f/0xa40
[ 2331.573945][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2331.573945][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2331.573945][   T10]      netlink_rcv_skb+0x130/0x360
[ 2331.573945][   T10]      netlink_unicast+0x449/0x710
[ 2331.573945][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2331.573945][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2331.573945][   T10]      ___sys_sendmsg+0xee/0x170
[ 2331.573945][   T10]      __sys_sendmsg+0xcd/0x170
[ 2331.573945][   T10]      do_syscall_64+0xc6/0x1e0
[ 2331.573945][   T10] 
[ 2331.575893][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2331.575893][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2331.575893][   T10]      ipv6_find_idev+0x102/0x170
[ 2331.575893][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2331.575893][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2331.575893][   T10]      netlink_rcv_skb+0x130/0x360
[ 2331.575893][   T10]      netlink_unicast+0x449/0x710
[ 2331.575893][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2331.575893][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2331.575893][   T10]      ___sys_sendmsg+0xee/0x170
[ 2331.575893][   T10]      __sys_sendmsg+0xcd/0x170
[ 2331.575893][   T10]      do_syscall_64+0xc6/0x1e0
[ 2331.575893][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2331.575893][   T10] 
[ 2331.577460][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2331.577460][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2331.577460][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2331.577460][   T10]      ipv6_find_idev+0x102/0x170
[ 2331.577460][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2331.577460][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2331.577460][   T10]      netlink_rcv_skb+0x130/0x360
[ 2331.577460][   T10]      netlink_unicast+0x449/0x710
[ 2331.577460][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2331.577460][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2331.577460][   T10]      ___sys_sendmsg+0xee/0x170
[ 2331.577460][   T10]      __sys_sendmsg+0xcd/0x170
[ 2331.577460][   T10]      do_syscall_64+0xc6/0x1e0
[ 2331.577460][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2331.577460][   T10] 
[ 2331.579157][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2331.579417][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2331.579417][   T10]      netdev_get_by_index+0x5e/0x80
[ 2331.579417][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2331.579417][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2331.579417][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2331.579417][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2331.579417][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2331.579417][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2331.579417][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2331.579417][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2331.579417][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2331.579417][   T10]      vfs_write+0x9e5/0x10a0
[ 2331.579417][   T10]      ksys_write+0xf5/0x1e0
[ 2331.579417][   T10]      do_syscall_64+0xc6/0x1e0
[ 2331.579417][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2331.579417][   T10] 
[ 2331.581275][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2331.581275][   T10]      netdev_get_by_index+0x5e/0x80
[ 2331.581275][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2331.581275][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2331.581275][   T10]      ip6_route_add+0x1c/0x140
[ 2331.581275][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2331.581275][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2331.581275][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2331.581275][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2331.581275][   T10]      netlink_rcv_skb+0x130/0x360
[ 2331.581275][   T10]      netlink_unicast+0x449/0x710
[ 2331.581275][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2331.581275][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2331.581275][   T10]      ___sys_sendmsg+0xee/0x170
[ 2331.581275][   T10]      __sys_sendmsg+0xcd/0x170
[ 2331.581275][   T10]      do_syscall_64+0xc6/0x1e0
[ 2331.581275][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2331.581275][   T10] 
[ 2331.583288][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2331.583288][   T10]      netdev_get_by_index+0x5e/0x80
[ 2331.583288][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2331.583288][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2331.583288][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2331.583288][   T10]      ipv6_add_addr+0x411/0x2000
[ 2331.583288][   T10]      inet6_addr_add+0x30e/0xa40
[ 2331.583288][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2331.583288][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2331.583288][   T10]      netlink_rcv_skb+0x130/0x360
[ 2331.583288][   T10]      netlink_unicast+0x449/0x710
[ 2331.583288][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2331.583288][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2331.583288][   T10]      ___sys_sendmsg+0xee/0x170
[ 2331.583288][   T10]      __sys_sendmsg+0xcd/0x170
[ 2331.583288][   T10]      do_syscall_64+0xc6/0x1e0
[ 2331.583288][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2331.583288][   T10] 
[ 2331.585309][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2331.585309][   T10]      netdev_get_by_index+0x5e/0x80
[ 2331.585309][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2331.585309][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2331.585309][   T10]      ip6_route_add+0x1c/0x140
[ 2331.585309][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2331.585309][   T10]      addrconf_add_dev+0xe2/0x170
[ 2331.585309][   T10]      inet6_addr_add+0x12f/0xa40
[ 2331.585309][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2331.585309][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2331.585309][   T10]      netlink_rcv_skb+0x130/0x360
[ 2331.585309][   T10]      netlink_unicast+0x449/0x710
[ 2331.585309][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2331.585309][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2331.585309][   T10]      ___sys_sendmsg+0xee/0x170
[ 2331.585309][   T10]      __sys_sendmsg+0xcd/0x170
[ 2331.585309][   T10]      do_syscall_64+0xc6/0x1e0
[ 2331.585309][   T10] 
[ 2331.587268][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2331.587268][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2331.587268][   T10]      ipv6_find_idev+0x102/0x170
[ 2331.587268][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2331.587268][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2331.587268][   T10]      netlink_rcv_skb+0x130/0x360
[ 2331.587268][   T10]      netlink_unicast+0x449/0x710
[ 2331.587268][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2331.587268][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2331.587268][   T10]      ___sys_sendmsg+0xee/0x170
[ 2331.587268][   T10]      __sys_sendmsg+0xcd/0x170
[ 2331.587268][   T10]      do_syscall_64+0xc6/0x1e0
[ 2331.587268][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2331.587268][   T10] 
[ 2331.588840][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2331.588840][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2331.588840][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2331.588840][   T10]      ipv6_find_idev+0x102/0x170
[ 2331.588840][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2331.588840][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2331.588840][   T10]      netlink_rcv_skb+0x130/0x360
[ 2331.588840][   T10]      netlink_unicast+0x449/0x710
[ 2331.588840][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2331.588840][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2331.588840][   T10]      ___sys_sendmsg+0xee/0x170
[ 2331.588840][   T10]      __sys_sendmsg+0xcd/0x170
[ 2331.588840][   T10]      do_syscall_64+0xc6/0x1e0
[ 2331.588840][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2331.588840][   T10] 
[ 2341.831888][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2341.832446][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2341.832446][   T10]      dst_init+0x84/0x4a0
[ 2341.832446][   T10]      dst_alloc+0x97/0x150
[ 2341.832446][   T10]      ip6_dst_alloc+0x23/0x90
[ 2341.832446][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2341.832446][   T10]      ip6_pol_route+0x56f/0x840
[ 2341.832446][   T10]      fib6_rule_lookup+0x456/0x630
[ 2341.832446][   T10]      ip6_route_input+0x59c/0xa50
[ 2341.832446][   T10]      ipv6_rcv+0x397/0x810
[ 2341.832446][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2341.832446][   T10]      process_backlog+0x101/0x620
[ 2341.832446][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2341.832446][   T10]      net_rx_action+0x495/0xbe0
[ 2341.832446][   T10]      __do_softirq+0x1b5/0x7f6
[ 2341.832446][   T10] 
[ 2341.834150][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2341.834150][   T10]      netdev_get_by_index+0x5e/0x80
[ 2341.834150][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2341.834150][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2341.834150][   T10]      ip6_route_add+0x1c/0x140
[ 2341.834150][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2341.834150][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2341.834150][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2341.834150][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2341.834150][   T10]      netlink_rcv_skb+0x130/0x360
[ 2341.834150][   T10]      netlink_unicast+0x449/0x710
[ 2341.834150][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2341.834150][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2341.834150][   T10]      ___sys_sendmsg+0xee/0x170
[ 2341.834150][   T10]      __sys_sendmsg+0xcd/0x170
[ 2341.834150][   T10]      do_syscall_64+0xc6/0x1e0
[ 2341.834150][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2341.834150][   T10] 
[ 2341.836135][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2341.836135][   T10]      netdev_get_by_index+0x5e/0x80
[ 2341.836135][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2341.836135][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2341.836135][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2341.836135][   T10]      ipv6_add_addr+0x411/0x2000
[ 2341.836135][   T10]      inet6_addr_add+0x30e/0xa40
[ 2341.836135][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2341.836135][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2341.836135][   T10]      netlink_rcv_skb+0x130/0x360
[ 2341.836135][   T10]      netlink_unicast+0x449/0x710
[ 2341.836135][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2341.836135][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2341.836135][   T10]      ___sys_sendmsg+0xee/0x170
[ 2341.836135][   T10]      __sys_sendmsg+0xcd/0x170
[ 2341.836135][   T10]      do_syscall_64+0xc6/0x1e0
[ 2341.836135][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2341.836135][   T10] 
[ 2341.838099][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2341.838099][   T10]      netdev_get_by_index+0x5e/0x80
[ 2341.838099][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2341.838099][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2341.838099][   T10]      ip6_route_add+0x1c/0x140
[ 2341.838099][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2341.838099][   T10]      addrconf_add_dev+0xe2/0x170
[ 2341.838099][   T10]      inet6_addr_add+0x12f/0xa40
[ 2341.838099][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2341.838099][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2341.838099][   T10]      netlink_rcv_skb+0x130/0x360
[ 2341.838099][   T10]      netlink_unicast+0x449/0x710
[ 2341.838099][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2341.838099][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2341.838099][   T10]      ___sys_sendmsg+0xee/0x170
[ 2341.838099][   T10]      __sys_sendmsg+0xcd/0x170
[ 2341.838099][   T10]      do_syscall_64+0xc6/0x1e0
[ 2341.838099][   T10] 
[ 2341.840048][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2341.840048][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2341.840048][   T10]      ipv6_find_idev+0x102/0x170
[ 2341.840048][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2341.840048][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2341.840048][   T10]      netlink_rcv_skb+0x130/0x360
[ 2341.840048][   T10]      netlink_unicast+0x449/0x710
[ 2341.840048][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2341.840048][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2341.840048][   T10]      ___sys_sendmsg+0xee/0x170
[ 2341.840048][   T10]      __sys_sendmsg+0xcd/0x170
[ 2341.840048][   T10]      do_syscall_64+0xc6/0x1e0
[ 2341.840048][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2341.840048][   T10] 
[ 2341.841624][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2341.841624][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2341.841624][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2341.841624][   T10]      ipv6_find_idev+0x102/0x170
[ 2341.841624][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2341.841624][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2341.841624][   T10]      netlink_rcv_skb+0x130/0x360
[ 2341.841624][   T10]      netlink_unicast+0x449/0x710
[ 2341.841624][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2341.841624][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2341.841624][   T10]      ___sys_sendmsg+0xee/0x170
[ 2341.841624][   T10]      __sys_sendmsg+0xcd/0x170
[ 2341.841624][   T10]      do_syscall_64+0xc6/0x1e0
[ 2341.841624][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2341.841624][   T10] 
[ 2341.843365][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2341.843623][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2341.843623][   T10]      netdev_get_by_index+0x5e/0x80
[ 2341.843623][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2341.843623][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2341.843623][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2341.843623][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2341.843623][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2341.843623][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2341.843623][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2341.843623][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2341.843623][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2341.843623][   T10]      vfs_write+0x9e5/0x10a0
[ 2341.843623][   T10]      ksys_write+0xf5/0x1e0
[ 2341.843623][   T10]      do_syscall_64+0xc6/0x1e0
[ 2341.843623][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2341.843623][   T10] 
[ 2341.845474][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2341.845474][   T10]      netdev_get_by_index+0x5e/0x80
[ 2341.845474][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2341.845474][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2341.845474][   T10]      ip6_route_add+0x1c/0x140
[ 2341.845474][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2341.845474][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2341.845474][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2341.845474][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2341.845474][   T10]      netlink_rcv_skb+0x130/0x360
[ 2341.845474][   T10]      netlink_unicast+0x449/0x710
[ 2341.845474][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2341.845474][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2341.845474][   T10]      ___sys_sendmsg+0xee/0x170
[ 2341.845474][   T10]      __sys_sendmsg+0xcd/0x170
[ 2341.845474][   T10]      do_syscall_64+0xc6/0x1e0
[ 2341.845474][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2341.845474][   T10] 
[ 2341.847495][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2341.847495][   T10]      netdev_get_by_index+0x5e/0x80
[ 2341.847495][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2341.847495][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2341.847495][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2341.847495][   T10]      ipv6_add_addr+0x411/0x2000
[ 2341.847495][   T10]      inet6_addr_add+0x30e/0xa40
[ 2341.847495][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2341.847495][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2341.847495][   T10]      netlink_rcv_skb+0x130/0x360
[ 2341.847495][   T10]      netlink_unicast+0x449/0x710
[ 2341.847495][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2341.847495][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2341.847495][   T10]      ___sys_sendmsg+0xee/0x170
[ 2341.847495][   T10]      __sys_sendmsg+0xcd/0x170
[ 2341.847495][   T10]      do_syscall_64+0xc6/0x1e0
[ 2341.847495][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2341.847495][   T10] 
[ 2341.849551][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2341.849551][   T10]      netdev_get_by_index+0x5e/0x80
[ 2341.849551][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2341.849551][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2341.849551][   T10]      ip6_route_add+0x1c/0x140
[ 2341.849551][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2341.849551][   T10]      addrconf_add_dev+0xe2/0x170
[ 2341.849551][   T10]      inet6_addr_add+0x12f/0xa40
[ 2341.849551][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2341.849551][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2341.849551][   T10]      netlink_rcv_skb+0x130/0x360
[ 2341.849551][   T10]      netlink_unicast+0x449/0x710
[ 2341.849551][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2341.849551][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2341.849551][   T10]      ___sys_sendmsg+0xee/0x170
[ 2341.849551][   T10]      __sys_sendmsg+0xcd/0x170
[ 2341.849551][   T10]      do_syscall_64+0xc6/0x1e0
[ 2341.849551][   T10] 
[ 2341.851465][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2341.851465][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2341.851465][   T10]      ipv6_find_idev+0x102/0x170
[ 2341.851465][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2341.851465][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2341.851465][   T10]      netlink_rcv_skb+0x130/0x360
[ 2341.851465][   T10]      netlink_unicast+0x449/0x710
[ 2341.851465][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2341.851465][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2341.851465][   T10]      ___sys_sendmsg+0xee/0x170
[ 2341.851465][   T10]      __sys_sendmsg+0xcd/0x170
[ 2341.851465][   T10]      do_syscall_64+0xc6/0x1e0
[ 2341.851465][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2341.851465][   T10] 
[ 2341.853022][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2341.853022][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2341.853022][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2341.853022][   T10]      ipv6_find_idev+0x102/0x170
[ 2341.853022][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2341.853022][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2341.853022][   T10]      netlink_rcv_skb+0x130/0x360
[ 2341.853022][   T10]      netlink_unicast+0x449/0x710
[ 2341.853022][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2341.853022][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2341.853022][   T10]      ___sys_sendmsg+0xee/0x170
[ 2341.853022][   T10]      __sys_sendmsg+0xcd/0x170
[ 2341.853022][   T10]      do_syscall_64+0xc6/0x1e0
[ 2341.853022][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2341.853022][   T10] 
[ 2352.095880][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2352.096414][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2352.096414][   T10]      dst_init+0x84/0x4a0
[ 2352.096414][   T10]      dst_alloc+0x97/0x150
[ 2352.096414][   T10]      ip6_dst_alloc+0x23/0x90
[ 2352.096414][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2352.096414][   T10]      ip6_pol_route+0x56f/0x840
[ 2352.096414][   T10]      fib6_rule_lookup+0x456/0x630
[ 2352.096414][   T10]      ip6_route_input+0x59c/0xa50
[ 2352.096414][   T10]      ipv6_rcv+0x397/0x810
[ 2352.096414][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2352.096414][   T10]      process_backlog+0x101/0x620
[ 2352.096414][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2352.096414][   T10]      net_rx_action+0x495/0xbe0
[ 2352.096414][   T10]      __do_softirq+0x1b5/0x7f6
[ 2352.096414][   T10] 
[ 2352.098105][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2352.098105][   T10]      netdev_get_by_index+0x5e/0x80
[ 2352.098105][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2352.098105][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2352.098105][   T10]      ip6_route_add+0x1c/0x140
[ 2352.098105][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2352.098105][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2352.098105][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2352.098105][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2352.098105][   T10]      netlink_rcv_skb+0x130/0x360
[ 2352.098105][   T10]      netlink_unicast+0x449/0x710
[ 2352.098105][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2352.098105][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2352.098105][   T10]      ___sys_sendmsg+0xee/0x170
[ 2352.098105][   T10]      __sys_sendmsg+0xcd/0x170
[ 2352.098105][   T10]      do_syscall_64+0xc6/0x1e0
[ 2352.098105][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2352.098105][   T10] 
[ 2352.100076][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2352.100076][   T10]      netdev_get_by_index+0x5e/0x80
[ 2352.100076][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2352.100076][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2352.100076][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2352.100076][   T10]      ipv6_add_addr+0x411/0x2000
[ 2352.100076][   T10]      inet6_addr_add+0x30e/0xa40
[ 2352.100076][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2352.100076][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2352.100076][   T10]      netlink_rcv_skb+0x130/0x360
[ 2352.100076][   T10]      netlink_unicast+0x449/0x710
[ 2352.100076][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2352.100076][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2352.100076][   T10]      ___sys_sendmsg+0xee/0x170
[ 2352.100076][   T10]      __sys_sendmsg+0xcd/0x170
[ 2352.100076][   T10]      do_syscall_64+0xc6/0x1e0
[ 2352.100076][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2352.100076][   T10] 
[ 2352.102062][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2352.102062][   T10]      netdev_get_by_index+0x5e/0x80
[ 2352.102062][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2352.102062][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2352.102062][   T10]      ip6_route_add+0x1c/0x140
[ 2352.102062][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2352.102062][   T10]      addrconf_add_dev+0xe2/0x170
[ 2352.102062][   T10]      inet6_addr_add+0x12f/0xa40
[ 2352.102062][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2352.102062][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2352.102062][   T10]      netlink_rcv_skb+0x130/0x360
[ 2352.102062][   T10]      netlink_unicast+0x449/0x710
[ 2352.102062][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2352.102062][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2352.102062][   T10]      ___sys_sendmsg+0xee/0x170
[ 2352.102062][   T10]      __sys_sendmsg+0xcd/0x170
[ 2352.102062][   T10]      do_syscall_64+0xc6/0x1e0
[ 2352.102062][   T10] 
[ 2352.104056][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2352.104056][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2352.104056][   T10]      ipv6_find_idev+0x102/0x170
[ 2352.104056][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2352.104056][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2352.104056][   T10]      netlink_rcv_skb+0x130/0x360
[ 2352.104056][   T10]      netlink_unicast+0x449/0x710
[ 2352.104056][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2352.104056][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2352.104056][   T10]      ___sys_sendmsg+0xee/0x170
[ 2352.104056][   T10]      __sys_sendmsg+0xcd/0x170
[ 2352.104056][   T10]      do_syscall_64+0xc6/0x1e0
[ 2352.104056][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2352.104056][   T10] 
[ 2352.105603][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2352.105603][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2352.105603][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2352.105603][   T10]      ipv6_find_idev+0x102/0x170
[ 2352.105603][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2352.105603][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2352.105603][   T10]      netlink_rcv_skb+0x130/0x360
[ 2352.105603][   T10]      netlink_unicast+0x449/0x710
[ 2352.105603][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2352.105603][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2352.105603][   T10]      ___sys_sendmsg+0xee/0x170
[ 2352.105603][   T10]      __sys_sendmsg+0xcd/0x170
[ 2352.105603][   T10]      do_syscall_64+0xc6/0x1e0
[ 2352.105603][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2352.105603][   T10] 
[ 2352.107283][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2352.107541][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2352.107541][   T10]      netdev_get_by_index+0x5e/0x80
[ 2352.107541][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2352.107541][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2352.107541][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2352.107541][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2352.107541][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2352.107541][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2352.107541][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2352.107541][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2352.107541][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2352.107541][   T10]      vfs_write+0x9e5/0x10a0
[ 2352.107541][   T10]      ksys_write+0xf5/0x1e0
[ 2352.107541][   T10]      do_syscall_64+0xc6/0x1e0
[ 2352.107541][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2352.107541][   T10] 
[ 2352.109369][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2352.109369][   T10]      netdev_get_by_index+0x5e/0x80
[ 2352.109369][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2352.109369][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2352.109369][   T10]      ip6_route_add+0x1c/0x140
[ 2352.109369][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2352.109369][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2352.109369][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2352.109369][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2352.109369][   T10]      netlink_rcv_skb+0x130/0x360
[ 2352.109369][   T10]      netlink_unicast+0x449/0x710
[ 2352.109369][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2352.109369][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2352.109369][   T10]      ___sys_sendmsg+0xee/0x170
[ 2352.109369][   T10]      __sys_sendmsg+0xcd/0x170
[ 2352.109369][   T10]      do_syscall_64+0xc6/0x1e0
[ 2352.109369][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2352.109369][   T10] 
[ 2352.111350][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2352.111350][   T10]      netdev_get_by_index+0x5e/0x80
[ 2352.111350][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2352.111350][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2352.111350][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2352.111350][   T10]      ipv6_add_addr+0x411/0x2000
[ 2352.111350][   T10]      inet6_addr_add+0x30e/0xa40
[ 2352.111350][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2352.111350][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2352.111350][   T10]      netlink_rcv_skb+0x130/0x360
[ 2352.111350][   T10]      netlink_unicast+0x449/0x710
[ 2352.111350][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2352.111350][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2352.111350][   T10]      ___sys_sendmsg+0xee/0x170
[ 2352.111350][   T10]      __sys_sendmsg+0xcd/0x170
[ 2352.111350][   T10]      do_syscall_64+0xc6/0x1e0
[ 2352.111350][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2352.111350][   T10] 
[ 2352.113354][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2352.113354][   T10]      netdev_get_by_index+0x5e/0x80
[ 2352.113354][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2352.113354][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2352.113354][   T10]      ip6_route_add+0x1c/0x140
[ 2352.113354][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2352.113354][   T10]      addrconf_add_dev+0xe2/0x170
[ 2352.113354][   T10]      inet6_addr_add+0x12f/0xa40
[ 2352.113354][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2352.113354][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2352.113354][   T10]      netlink_rcv_skb+0x130/0x360
[ 2352.113354][   T10]      netlink_unicast+0x449/0x710
[ 2352.113354][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2352.113354][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2352.113354][   T10]      ___sys_sendmsg+0xee/0x170
[ 2352.113354][   T10]      __sys_sendmsg+0xcd/0x170
[ 2352.113354][   T10]      do_syscall_64+0xc6/0x1e0
[ 2352.113354][   T10] 
[ 2352.115345][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2352.115345][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2352.115345][   T10]      ipv6_find_idev+0x102/0x170
[ 2352.115345][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2352.115345][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2352.115345][   T10]      netlink_rcv_skb+0x130/0x360
[ 2352.115345][   T10]      netlink_unicast+0x449/0x710
[ 2352.115345][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2352.115345][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2352.115345][   T10]      ___sys_sendmsg+0xee/0x170
[ 2352.115345][   T10]      __sys_sendmsg+0xcd/0x170
[ 2352.115345][   T10]      do_syscall_64+0xc6/0x1e0
[ 2352.115345][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2352.115345][   T10] 
[ 2352.116876][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2352.116876][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2352.116876][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2352.116876][   T10]      ipv6_find_idev+0x102/0x170
[ 2352.116876][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2352.116876][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2352.116876][   T10]      netlink_rcv_skb+0x130/0x360
[ 2352.116876][   T10]      netlink_unicast+0x449/0x710
[ 2352.116876][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2352.116876][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2352.116876][   T10]      ___sys_sendmsg+0xee/0x170
[ 2352.116876][   T10]      __sys_sendmsg+0xcd/0x170
[ 2352.116876][   T10]      do_syscall_64+0xc6/0x1e0
[ 2352.116876][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2352.116876][   T10] 
[ 2362.359890][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2362.360519][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2362.360519][   T10]      dst_init+0x84/0x4a0
[ 2362.360519][   T10]      dst_alloc+0x97/0x150
[ 2362.360519][   T10]      ip6_dst_alloc+0x23/0x90
[ 2362.360519][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2362.360519][   T10]      ip6_pol_route+0x56f/0x840
[ 2362.360519][   T10]      fib6_rule_lookup+0x456/0x630
[ 2362.360519][   T10]      ip6_route_input+0x59c/0xa50
[ 2362.360519][   T10]      ipv6_rcv+0x397/0x810
[ 2362.360519][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2362.360519][   T10]      process_backlog+0x101/0x620
[ 2362.360519][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2362.360519][   T10]      net_rx_action+0x495/0xbe0
[ 2362.360519][   T10]      __do_softirq+0x1b5/0x7f6
[ 2362.360519][   T10] 
[ 2362.362165][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2362.362165][   T10]      netdev_get_by_index+0x5e/0x80
[ 2362.362165][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2362.362165][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2362.362165][   T10]      ip6_route_add+0x1c/0x140
[ 2362.362165][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2362.362165][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2362.362165][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2362.362165][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2362.362165][   T10]      netlink_rcv_skb+0x130/0x360
[ 2362.362165][   T10]      netlink_unicast+0x449/0x710
[ 2362.362165][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2362.362165][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2362.362165][   T10]      ___sys_sendmsg+0xee/0x170
[ 2362.362165][   T10]      __sys_sendmsg+0xcd/0x170
[ 2362.362165][   T10]      do_syscall_64+0xc6/0x1e0
[ 2362.362165][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2362.362165][   T10] 
[ 2362.364138][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2362.364138][   T10]      netdev_get_by_index+0x5e/0x80
[ 2362.364138][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2362.364138][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2362.364138][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2362.364138][   T10]      ipv6_add_addr+0x411/0x2000
[ 2362.364138][   T10]      inet6_addr_add+0x30e/0xa40
[ 2362.364138][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2362.364138][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2362.364138][   T10]      netlink_rcv_skb+0x130/0x360
[ 2362.364138][   T10]      netlink_unicast+0x449/0x710
[ 2362.364138][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2362.364138][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2362.364138][   T10]      ___sys_sendmsg+0xee/0x170
[ 2362.364138][   T10]      __sys_sendmsg+0xcd/0x170
[ 2362.364138][   T10]      do_syscall_64+0xc6/0x1e0
[ 2362.364138][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2362.364138][   T10] 
[ 2362.366107][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2362.366107][   T10]      netdev_get_by_index+0x5e/0x80
[ 2362.366107][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2362.366107][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2362.366107][   T10]      ip6_route_add+0x1c/0x140
[ 2362.366107][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2362.366107][   T10]      addrconf_add_dev+0xe2/0x170
[ 2362.366107][   T10]      inet6_addr_add+0x12f/0xa40
[ 2362.366107][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2362.366107][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2362.366107][   T10]      netlink_rcv_skb+0x130/0x360
[ 2362.366107][   T10]      netlink_unicast+0x449/0x710
[ 2362.366107][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2362.366107][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2362.366107][   T10]      ___sys_sendmsg+0xee/0x170
[ 2362.366107][   T10]      __sys_sendmsg+0xcd/0x170
[ 2362.366107][   T10]      do_syscall_64+0xc6/0x1e0
[ 2362.366107][   T10] 
[ 2362.368034][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2362.368034][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2362.368034][   T10]      ipv6_find_idev+0x102/0x170
[ 2362.368034][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2362.368034][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2362.368034][   T10]      netlink_rcv_skb+0x130/0x360
[ 2362.368034][   T10]      netlink_unicast+0x449/0x710
[ 2362.368034][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2362.368034][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2362.368034][   T10]      ___sys_sendmsg+0xee/0x170
[ 2362.368034][   T10]      __sys_sendmsg+0xcd/0x170
[ 2362.368034][   T10]      do_syscall_64+0xc6/0x1e0
[ 2362.368034][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2362.368034][   T10] 
[ 2362.369532][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2362.369532][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2362.369532][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2362.369532][   T10]      ipv6_find_idev+0x102/0x170
[ 2362.369532][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2362.369532][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2362.369532][   T10]      netlink_rcv_skb+0x130/0x360
[ 2362.369532][   T10]      netlink_unicast+0x449/0x710
[ 2362.369532][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2362.369532][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2362.369532][   T10]      ___sys_sendmsg+0xee/0x170
[ 2362.369532][   T10]      __sys_sendmsg+0xcd/0x170
[ 2362.369532][   T10]      do_syscall_64+0xc6/0x1e0
[ 2362.369532][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2362.369532][   T10] 
[ 2362.371170][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2362.371409][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2362.371409][   T10]      netdev_get_by_index+0x5e/0x80
[ 2362.371409][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2362.371409][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2362.371409][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2362.371409][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2362.371409][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2362.371409][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2362.371409][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2362.371409][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2362.371409][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2362.371409][   T10]      vfs_write+0x9e5/0x10a0
[ 2362.371409][   T10]      ksys_write+0xf5/0x1e0
[ 2362.371409][   T10]      do_syscall_64+0xc6/0x1e0
[ 2362.371409][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2362.371409][   T10] 
[ 2362.373220][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2362.373220][   T10]      netdev_get_by_index+0x5e/0x80
[ 2362.373220][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2362.373220][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2362.373220][   T10]      ip6_route_add+0x1c/0x140
[ 2362.373220][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2362.373220][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2362.373220][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2362.373220][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2362.373220][   T10]      netlink_rcv_skb+0x130/0x360
[ 2362.373220][   T10]      netlink_unicast+0x449/0x710
[ 2362.373220][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2362.373220][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2362.373220][   T10]      ___sys_sendmsg+0xee/0x170
[ 2362.373220][   T10]      __sys_sendmsg+0xcd/0x170
[ 2362.373220][   T10]      do_syscall_64+0xc6/0x1e0
[ 2362.373220][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2362.373220][   T10] 
[ 2362.375234][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2362.375234][   T10]      netdev_get_by_index+0x5e/0x80
[ 2362.375234][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2362.375234][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2362.375234][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2362.375234][   T10]      ipv6_add_addr+0x411/0x2000
[ 2362.375234][   T10]      inet6_addr_add+0x30e/0xa40
[ 2362.375234][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2362.375234][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2362.375234][   T10]      netlink_rcv_skb+0x130/0x360
[ 2362.375234][   T10]      netlink_unicast+0x449/0x710
[ 2362.375234][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2362.375234][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2362.375234][   T10]      ___sys_sendmsg+0xee/0x170
[ 2362.375234][   T10]      __sys_sendmsg+0xcd/0x170
[ 2362.375234][   T10]      do_syscall_64+0xc6/0x1e0
[ 2362.375234][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2362.375234][   T10] 
[ 2362.377230][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2362.377230][   T10]      netdev_get_by_index+0x5e/0x80
[ 2362.377230][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2362.377230][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2362.377230][   T10]      ip6_route_add+0x1c/0x140
[ 2362.377230][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2362.377230][   T10]      addrconf_add_dev+0xe2/0x170
[ 2362.377230][   T10]      inet6_addr_add+0x12f/0xa40
[ 2362.377230][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2362.377230][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2362.377230][   T10]      netlink_rcv_skb+0x130/0x360
[ 2362.377230][   T10]      netlink_unicast+0x449/0x710
[ 2362.377230][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2362.377230][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2362.377230][   T10]      ___sys_sendmsg+0xee/0x170
[ 2362.377230][   T10]      __sys_sendmsg+0xcd/0x170
[ 2362.377230][   T10]      do_syscall_64+0xc6/0x1e0
[ 2362.377230][   T10] 
[ 2362.379196][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2362.379196][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2362.379196][   T10]      ipv6_find_idev+0x102/0x170
[ 2362.379196][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2362.379196][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2362.379196][   T10]      netlink_rcv_skb+0x130/0x360
[ 2362.379196][   T10]      netlink_unicast+0x449/0x710
[ 2362.379196][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2362.379196][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2362.379196][   T10]      ___sys_sendmsg+0xee/0x170
[ 2362.379196][   T10]      __sys_sendmsg+0xcd/0x170
[ 2362.379196][   T10]      do_syscall_64+0xc6/0x1e0
[ 2362.379196][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2362.379196][   T10] 
[ 2362.380758][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2362.380758][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2362.380758][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2362.380758][   T10]      ipv6_find_idev+0x102/0x170
[ 2362.380758][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2362.380758][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2362.380758][   T10]      netlink_rcv_skb+0x130/0x360
[ 2362.380758][   T10]      netlink_unicast+0x449/0x710
[ 2362.380758][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2362.380758][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2362.380758][   T10]      ___sys_sendmsg+0xee/0x170
[ 2362.380758][   T10]      __sys_sendmsg+0xcd/0x170
[ 2362.380758][   T10]      do_syscall_64+0xc6/0x1e0
[ 2362.380758][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2362.380758][   T10] 
[ 2372.399870][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2372.400393][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2372.400393][   T10]      dst_init+0x84/0x4a0
[ 2372.400393][   T10]      dst_alloc+0x97/0x150
[ 2372.400393][   T10]      ip6_dst_alloc+0x23/0x90
[ 2372.400393][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2372.400393][   T10]      ip6_pol_route+0x56f/0x840
[ 2372.400393][   T10]      fib6_rule_lookup+0x456/0x630
[ 2372.400393][   T10]      ip6_route_input+0x59c/0xa50
[ 2372.400393][   T10]      ipv6_rcv+0x397/0x810
[ 2372.400393][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2372.400393][   T10]      process_backlog+0x101/0x620
[ 2372.400393][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2372.400393][   T10]      net_rx_action+0x495/0xbe0
[ 2372.400393][   T10]      __do_softirq+0x1b5/0x7f6
[ 2372.400393][   T10] 
[ 2372.402022][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2372.402022][   T10]      netdev_get_by_index+0x5e/0x80
[ 2372.402022][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2372.402022][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2372.402022][   T10]      ip6_route_add+0x1c/0x140
[ 2372.402022][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2372.402022][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2372.402022][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2372.402022][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2372.402022][   T10]      netlink_rcv_skb+0x130/0x360
[ 2372.402022][   T10]      netlink_unicast+0x449/0x710
[ 2372.402022][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2372.402022][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2372.402022][   T10]      ___sys_sendmsg+0xee/0x170
[ 2372.402022][   T10]      __sys_sendmsg+0xcd/0x170
[ 2372.402022][   T10]      do_syscall_64+0xc6/0x1e0
[ 2372.402022][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2372.402022][   T10] 
[ 2372.403987][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2372.403987][   T10]      netdev_get_by_index+0x5e/0x80
[ 2372.403987][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2372.403987][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2372.403987][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2372.403987][   T10]      ipv6_add_addr+0x411/0x2000
[ 2372.403987][   T10]      inet6_addr_add+0x30e/0xa40
[ 2372.403987][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2372.403987][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2372.403987][   T10]      netlink_rcv_skb+0x130/0x360
[ 2372.403987][   T10]      netlink_unicast+0x449/0x710
[ 2372.403987][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2372.403987][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2372.403987][   T10]      ___sys_sendmsg+0xee/0x170
[ 2372.403987][   T10]      __sys_sendmsg+0xcd/0x170
[ 2372.403987][   T10]      do_syscall_64+0xc6/0x1e0
[ 2372.403987][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2372.403987][   T10] 
[ 2372.405937][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2372.405937][   T10]      netdev_get_by_index+0x5e/0x80
[ 2372.405937][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2372.405937][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2372.405937][   T10]      ip6_route_add+0x1c/0x140
[ 2372.405937][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2372.405937][   T10]      addrconf_add_dev+0xe2/0x170
[ 2372.405937][   T10]      inet6_addr_add+0x12f/0xa40
[ 2372.405937][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2372.405937][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2372.405937][   T10]      netlink_rcv_skb+0x130/0x360
[ 2372.405937][   T10]      netlink_unicast+0x449/0x710
[ 2372.405937][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2372.405937][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2372.405937][   T10]      ___sys_sendmsg+0xee/0x170
[ 2372.405937][   T10]      __sys_sendmsg+0xcd/0x170
[ 2372.405937][   T10]      do_syscall_64+0xc6/0x1e0
[ 2372.405937][   T10] 
[ 2372.407917][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2372.407917][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2372.407917][   T10]      ipv6_find_idev+0x102/0x170
[ 2372.407917][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2372.407917][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2372.407917][   T10]      netlink_rcv_skb+0x130/0x360
[ 2372.407917][   T10]      netlink_unicast+0x449/0x710
[ 2372.407917][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2372.407917][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2372.407917][   T10]      ___sys_sendmsg+0xee/0x170
[ 2372.407917][   T10]      __sys_sendmsg+0xcd/0x170
[ 2372.407917][   T10]      do_syscall_64+0xc6/0x1e0
[ 2372.407917][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2372.407917][   T10] 
[ 2372.409471][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2372.409471][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2372.409471][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2372.409471][   T10]      ipv6_find_idev+0x102/0x170
[ 2372.409471][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2372.409471][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2372.409471][   T10]      netlink_rcv_skb+0x130/0x360
[ 2372.409471][   T10]      netlink_unicast+0x449/0x710
[ 2372.409471][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2372.409471][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2372.409471][   T10]      ___sys_sendmsg+0xee/0x170
[ 2372.409471][   T10]      __sys_sendmsg+0xcd/0x170
[ 2372.409471][   T10]      do_syscall_64+0xc6/0x1e0
[ 2372.409471][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2372.409471][   T10] 
[ 2372.411135][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2372.411395][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2372.411395][   T10]      netdev_get_by_index+0x5e/0x80
[ 2372.411395][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2372.411395][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2372.411395][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2372.411395][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2372.411395][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2372.411395][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2372.411395][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2372.411395][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2372.411395][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2372.411395][   T10]      vfs_write+0x9e5/0x10a0
[ 2372.411395][   T10]      ksys_write+0xf5/0x1e0
[ 2372.411395][   T10]      do_syscall_64+0xc6/0x1e0
[ 2372.411395][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2372.411395][   T10] 
[ 2372.413224][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2372.413224][   T10]      netdev_get_by_index+0x5e/0x80
[ 2372.413224][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2372.413224][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2372.413224][   T10]      ip6_route_add+0x1c/0x140
[ 2372.413224][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2372.413224][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2372.413224][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2372.413224][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2372.413224][   T10]      netlink_rcv_skb+0x130/0x360
[ 2372.413224][   T10]      netlink_unicast+0x449/0x710
[ 2372.413224][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2372.413224][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2372.413224][   T10]      ___sys_sendmsg+0xee/0x170
[ 2372.413224][   T10]      __sys_sendmsg+0xcd/0x170
[ 2372.413224][   T10]      do_syscall_64+0xc6/0x1e0
[ 2372.413224][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2372.413224][   T10] 
[ 2372.415257][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2372.415257][   T10]      netdev_get_by_index+0x5e/0x80
[ 2372.415257][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2372.415257][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2372.415257][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2372.415257][   T10]      ipv6_add_addr+0x411/0x2000
[ 2372.415257][   T10]      inet6_addr_add+0x30e/0xa40
[ 2372.415257][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2372.415257][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2372.415257][   T10]      netlink_rcv_skb+0x130/0x360
[ 2372.415257][   T10]      netlink_unicast+0x449/0x710
[ 2372.415257][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2372.415257][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2372.415257][   T10]      ___sys_sendmsg+0xee/0x170
[ 2372.415257][   T10]      __sys_sendmsg+0xcd/0x170
[ 2372.415257][   T10]      do_syscall_64+0xc6/0x1e0
[ 2372.415257][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2372.415257][   T10] 
[ 2372.417274][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2372.417274][   T10]      netdev_get_by_index+0x5e/0x80
[ 2372.417274][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2372.417274][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2372.417274][   T10]      ip6_route_add+0x1c/0x140
[ 2372.417274][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2372.417274][   T10]      addrconf_add_dev+0xe2/0x170
[ 2372.417274][   T10]      inet6_addr_add+0x12f/0xa40
[ 2372.417274][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2372.417274][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2372.417274][   T10]      netlink_rcv_skb+0x130/0x360
[ 2372.417274][   T10]      netlink_unicast+0x449/0x710
[ 2372.417274][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2372.417274][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2372.417274][   T10]      ___sys_sendmsg+0xee/0x170
[ 2372.417274][   T10]      __sys_sendmsg+0xcd/0x170
[ 2372.417274][   T10]      do_syscall_64+0xc6/0x1e0
[ 2372.417274][   T10] 
[ 2372.419231][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2372.419231][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2372.419231][   T10]      ipv6_find_idev+0x102/0x170
[ 2372.419231][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2372.419231][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2372.419231][   T10]      netlink_rcv_skb+0x130/0x360
[ 2372.419231][   T10]      netlink_unicast+0x449/0x710
[ 2372.419231][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2372.419231][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2372.419231][   T10]      ___sys_sendmsg+0xee/0x170
[ 2372.419231][   T10]      __sys_sendmsg+0xcd/0x170
[ 2372.419231][   T10]      do_syscall_64+0xc6/0x1e0
[ 2372.419231][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2372.419231][   T10] 
[ 2372.420726][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2372.420726][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2372.420726][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2372.420726][   T10]      ipv6_find_idev+0x102/0x170
[ 2372.420726][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2372.420726][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2372.420726][   T10]      netlink_rcv_skb+0x130/0x360
[ 2372.420726][   T10]      netlink_unicast+0x449/0x710
[ 2372.420726][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2372.420726][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2372.420726][   T10]      ___sys_sendmsg+0xee/0x170
[ 2372.420726][   T10]      __sys_sendmsg+0xcd/0x170
[ 2372.420726][   T10]      do_syscall_64+0xc6/0x1e0
[ 2372.420726][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2372.420726][   T10] 
[ 2382.663827][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2382.664462][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2382.664462][   T10]      dst_init+0x84/0x4a0
[ 2382.664462][   T10]      dst_alloc+0x97/0x150
[ 2382.664462][   T10]      ip6_dst_alloc+0x23/0x90
[ 2382.664462][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2382.664462][   T10]      ip6_pol_route+0x56f/0x840
[ 2382.664462][   T10]      fib6_rule_lookup+0x456/0x630
[ 2382.664462][   T10]      ip6_route_input+0x59c/0xa50
[ 2382.664462][   T10]      ipv6_rcv+0x397/0x810
[ 2382.664462][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2382.664462][   T10]      process_backlog+0x101/0x620
[ 2382.664462][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2382.664462][   T10]      net_rx_action+0x495/0xbe0
[ 2382.664462][   T10]      __do_softirq+0x1b5/0x7f6
[ 2382.664462][   T10] 
[ 2382.666095][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2382.666095][   T10]      netdev_get_by_index+0x5e/0x80
[ 2382.666095][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2382.666095][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2382.666095][   T10]      ip6_route_add+0x1c/0x140
[ 2382.666095][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2382.666095][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2382.666095][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2382.666095][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2382.666095][   T10]      netlink_rcv_skb+0x130/0x360
[ 2382.666095][   T10]      netlink_unicast+0x449/0x710
[ 2382.666095][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2382.666095][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2382.666095][   T10]      ___sys_sendmsg+0xee/0x170
[ 2382.666095][   T10]      __sys_sendmsg+0xcd/0x170
[ 2382.666095][   T10]      do_syscall_64+0xc6/0x1e0
[ 2382.666095][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2382.666095][   T10] 
[ 2382.668107][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2382.668107][   T10]      netdev_get_by_index+0x5e/0x80
[ 2382.668107][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2382.668107][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2382.668107][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2382.668107][   T10]      ipv6_add_addr+0x411/0x2000
[ 2382.668107][   T10]      inet6_addr_add+0x30e/0xa40
[ 2382.668107][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2382.668107][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2382.668107][   T10]      netlink_rcv_skb+0x130/0x360
[ 2382.668107][   T10]      netlink_unicast+0x449/0x710
[ 2382.668107][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2382.668107][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2382.668107][   T10]      ___sys_sendmsg+0xee/0x170
[ 2382.668107][   T10]      __sys_sendmsg+0xcd/0x170
[ 2382.668107][   T10]      do_syscall_64+0xc6/0x1e0
[ 2382.668107][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2382.668107][   T10] 
[ 2382.670064][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2382.670064][   T10]      netdev_get_by_index+0x5e/0x80
[ 2382.670064][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2382.670064][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2382.670064][   T10]      ip6_route_add+0x1c/0x140
[ 2382.670064][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2382.670064][   T10]      addrconf_add_dev+0xe2/0x170
[ 2382.670064][   T10]      inet6_addr_add+0x12f/0xa40
[ 2382.670064][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2382.670064][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2382.670064][   T10]      netlink_rcv_skb+0x130/0x360
[ 2382.670064][   T10]      netlink_unicast+0x449/0x710
[ 2382.670064][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2382.670064][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2382.670064][   T10]      ___sys_sendmsg+0xee/0x170
[ 2382.670064][   T10]      __sys_sendmsg+0xcd/0x170
[ 2382.670064][   T10]      do_syscall_64+0xc6/0x1e0
[ 2382.670064][   T10] 
[ 2382.672034][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2382.672034][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2382.672034][   T10]      ipv6_find_idev+0x102/0x170
[ 2382.672034][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2382.672034][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2382.672034][   T10]      netlink_rcv_skb+0x130/0x360
[ 2382.672034][   T10]      netlink_unicast+0x449/0x710
[ 2382.672034][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2382.672034][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2382.672034][   T10]      ___sys_sendmsg+0xee/0x170
[ 2382.672034][   T10]      __sys_sendmsg+0xcd/0x170
[ 2382.672034][   T10]      do_syscall_64+0xc6/0x1e0
[ 2382.672034][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2382.672034][   T10] 
[ 2382.673573][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2382.673573][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2382.673573][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2382.673573][   T10]      ipv6_find_idev+0x102/0x170
[ 2382.673573][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2382.673573][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2382.673573][   T10]      netlink_rcv_skb+0x130/0x360
[ 2382.673573][   T10]      netlink_unicast+0x449/0x710
[ 2382.673573][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2382.673573][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2382.673573][   T10]      ___sys_sendmsg+0xee/0x170
[ 2382.673573][   T10]      __sys_sendmsg+0xcd/0x170
[ 2382.673573][   T10]      do_syscall_64+0xc6/0x1e0
[ 2382.673573][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2382.673573][   T10] 
[ 2382.675243][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2382.675485][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2382.675485][   T10]      netdev_get_by_index+0x5e/0x80
[ 2382.675485][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2382.675485][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2382.675485][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2382.675485][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2382.675485][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2382.675485][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2382.675485][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2382.675485][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2382.675485][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2382.675485][   T10]      vfs_write+0x9e5/0x10a0
[ 2382.675485][   T10]      ksys_write+0xf5/0x1e0
[ 2382.675485][   T10]      do_syscall_64+0xc6/0x1e0
[ 2382.675485][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2382.675485][   T10] 
[ 2382.677332][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2382.677332][   T10]      netdev_get_by_index+0x5e/0x80
[ 2382.677332][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2382.677332][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2382.677332][   T10]      ip6_route_add+0x1c/0x140
[ 2382.677332][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2382.677332][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2382.677332][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2382.677332][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2382.677332][   T10]      netlink_rcv_skb+0x130/0x360
[ 2382.677332][   T10]      netlink_unicast+0x449/0x710
[ 2382.677332][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2382.677332][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2382.677332][   T10]      ___sys_sendmsg+0xee/0x170
[ 2382.677332][   T10]      __sys_sendmsg+0xcd/0x170
[ 2382.677332][   T10]      do_syscall_64+0xc6/0x1e0
[ 2382.677332][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2382.677332][   T10] 
[ 2382.679372][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2382.679372][   T10]      netdev_get_by_index+0x5e/0x80
[ 2382.679372][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2382.679372][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2382.679372][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2382.679372][   T10]      ipv6_add_addr+0x411/0x2000
[ 2382.679372][   T10]      inet6_addr_add+0x30e/0xa40
[ 2382.679372][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2382.679372][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2382.679372][   T10]      netlink_rcv_skb+0x130/0x360
[ 2382.679372][   T10]      netlink_unicast+0x449/0x710
[ 2382.679372][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2382.679372][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2382.679372][   T10]      ___sys_sendmsg+0xee/0x170
[ 2382.679372][   T10]      __sys_sendmsg+0xcd/0x170
[ 2382.679372][   T10]      do_syscall_64+0xc6/0x1e0
[ 2382.679372][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2382.679372][   T10] 
[ 2382.681381][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2382.681381][   T10]      netdev_get_by_index+0x5e/0x80
[ 2382.681381][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2382.681381][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2382.681381][   T10]      ip6_route_add+0x1c/0x140
[ 2382.681381][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2382.681381][   T10]      addrconf_add_dev+0xe2/0x170
[ 2382.681381][   T10]      inet6_addr_add+0x12f/0xa40
[ 2382.681381][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2382.681381][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2382.681381][   T10]      netlink_rcv_skb+0x130/0x360
[ 2382.681381][   T10]      netlink_unicast+0x449/0x710
[ 2382.681381][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2382.681381][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2382.681381][   T10]      ___sys_sendmsg+0xee/0x170
[ 2382.681381][   T10]      __sys_sendmsg+0xcd/0x170
[ 2382.681381][   T10]      do_syscall_64+0xc6/0x1e0
[ 2382.681381][   T10] 
[ 2382.683377][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2382.683377][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2382.683377][   T10]      ipv6_find_idev+0x102/0x170
[ 2382.683377][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2382.683377][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2382.683377][   T10]      netlink_rcv_skb+0x130/0x360
[ 2382.683377][   T10]      netlink_unicast+0x449/0x710
[ 2382.683377][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2382.683377][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2382.683377][   T10]      ___sys_sendmsg+0xee/0x170
[ 2382.683377][   T10]      __sys_sendmsg+0xcd/0x170
[ 2382.683377][   T10]      do_syscall_64+0xc6/0x1e0
[ 2382.683377][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2382.683377][   T10] 
[ 2382.684902][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2382.684902][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2382.684902][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2382.684902][   T10]      ipv6_find_idev+0x102/0x170
[ 2382.684902][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2382.684902][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2382.684902][   T10]      netlink_rcv_skb+0x130/0x360
[ 2382.684902][   T10]      netlink_unicast+0x449/0x710
[ 2382.684902][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2382.684902][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2382.684902][   T10]      ___sys_sendmsg+0xee/0x170
[ 2382.684902][   T10]      __sys_sendmsg+0xcd/0x170
[ 2382.684902][   T10]      do_syscall_64+0xc6/0x1e0
[ 2382.684902][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2382.684902][   T10] 
[ 2392.927877][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2392.928391][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2392.928391][   T10]      dst_init+0x84/0x4a0
[ 2392.928391][   T10]      dst_alloc+0x97/0x150
[ 2392.928391][   T10]      ip6_dst_alloc+0x23/0x90
[ 2392.928391][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2392.928391][   T10]      ip6_pol_route+0x56f/0x840
[ 2392.928391][   T10]      fib6_rule_lookup+0x456/0x630
[ 2392.928391][   T10]      ip6_route_input+0x59c/0xa50
[ 2392.928391][   T10]      ipv6_rcv+0x397/0x810
[ 2392.928391][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2392.928391][   T10]      process_backlog+0x101/0x620
[ 2392.928391][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2392.928391][   T10]      net_rx_action+0x495/0xbe0
[ 2392.928391][   T10]      __do_softirq+0x1b5/0x7f6
[ 2392.928391][   T10] 
[ 2392.930017][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2392.930017][   T10]      netdev_get_by_index+0x5e/0x80
[ 2392.930017][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2392.930017][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2392.930017][   T10]      ip6_route_add+0x1c/0x140
[ 2392.930017][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2392.930017][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2392.930017][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2392.930017][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2392.930017][   T10]      netlink_rcv_skb+0x130/0x360
[ 2392.930017][   T10]      netlink_unicast+0x449/0x710
[ 2392.930017][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2392.930017][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2392.930017][   T10]      ___sys_sendmsg+0xee/0x170
[ 2392.930017][   T10]      __sys_sendmsg+0xcd/0x170
[ 2392.930017][   T10]      do_syscall_64+0xc6/0x1e0
[ 2392.930017][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2392.930017][   T10] 
[ 2392.932028][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2392.932028][   T10]      netdev_get_by_index+0x5e/0x80
[ 2392.932028][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2392.932028][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2392.932028][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2392.932028][   T10]      ipv6_add_addr+0x411/0x2000
[ 2392.932028][   T10]      inet6_addr_add+0x30e/0xa40
[ 2392.932028][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2392.932028][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2392.932028][   T10]      netlink_rcv_skb+0x130/0x360
[ 2392.932028][   T10]      netlink_unicast+0x449/0x710
[ 2392.932028][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2392.932028][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2392.932028][   T10]      ___sys_sendmsg+0xee/0x170
[ 2392.932028][   T10]      __sys_sendmsg+0xcd/0x170
[ 2392.932028][   T10]      do_syscall_64+0xc6/0x1e0
[ 2392.932028][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2392.932028][   T10] 
[ 2392.934089][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2392.934089][   T10]      netdev_get_by_index+0x5e/0x80
[ 2392.934089][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2392.934089][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2392.934089][   T10]      ip6_route_add+0x1c/0x140
[ 2392.934089][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2392.934089][   T10]      addrconf_add_dev+0xe2/0x170
[ 2392.934089][   T10]      inet6_addr_add+0x12f/0xa40
[ 2392.934089][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2392.934089][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2392.934089][   T10]      netlink_rcv_skb+0x130/0x360
[ 2392.934089][   T10]      netlink_unicast+0x449/0x710
[ 2392.934089][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2392.934089][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2392.934089][   T10]      ___sys_sendmsg+0xee/0x170
[ 2392.934089][   T10]      __sys_sendmsg+0xcd/0x170
[ 2392.934089][   T10]      do_syscall_64+0xc6/0x1e0
[ 2392.934089][   T10] 
[ 2392.936086][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2392.936086][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2392.936086][   T10]      ipv6_find_idev+0x102/0x170
[ 2392.936086][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2392.936086][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2392.936086][   T10]      netlink_rcv_skb+0x130/0x360
[ 2392.936086][   T10]      netlink_unicast+0x449/0x710
[ 2392.936086][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2392.936086][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2392.936086][   T10]      ___sys_sendmsg+0xee/0x170
[ 2392.936086][   T10]      __sys_sendmsg+0xcd/0x170
[ 2392.936086][   T10]      do_syscall_64+0xc6/0x1e0
[ 2392.936086][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2392.936086][   T10] 
[ 2392.937646][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2392.937646][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2392.937646][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2392.937646][   T10]      ipv6_find_idev+0x102/0x170
[ 2392.937646][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2392.937646][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2392.937646][   T10]      netlink_rcv_skb+0x130/0x360
[ 2392.937646][   T10]      netlink_unicast+0x449/0x710
[ 2392.937646][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2392.937646][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2392.937646][   T10]      ___sys_sendmsg+0xee/0x170
[ 2392.937646][   T10]      __sys_sendmsg+0xcd/0x170
[ 2392.937646][   T10]      do_syscall_64+0xc6/0x1e0
[ 2392.937646][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2392.937646][   T10] 
[ 2392.939341][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2392.939585][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2392.939585][   T10]      netdev_get_by_index+0x5e/0x80
[ 2392.939585][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2392.939585][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2392.939585][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2392.939585][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2392.939585][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2392.939585][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2392.939585][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2392.939585][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2392.939585][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2392.939585][   T10]      vfs_write+0x9e5/0x10a0
[ 2392.939585][   T10]      ksys_write+0xf5/0x1e0
[ 2392.939585][   T10]      do_syscall_64+0xc6/0x1e0
[ 2392.939585][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2392.939585][   T10] 
[ 2392.941406][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2392.941406][   T10]      netdev_get_by_index+0x5e/0x80
[ 2392.941406][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2392.941406][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2392.941406][   T10]      ip6_route_add+0x1c/0x140
[ 2392.941406][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2392.941406][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2392.941406][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2392.941406][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2392.941406][   T10]      netlink_rcv_skb+0x130/0x360
[ 2392.941406][   T10]      netlink_unicast+0x449/0x710
[ 2392.941406][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2392.941406][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2392.941406][   T10]      ___sys_sendmsg+0xee/0x170
[ 2392.941406][   T10]      __sys_sendmsg+0xcd/0x170
[ 2392.941406][   T10]      do_syscall_64+0xc6/0x1e0
[ 2392.941406][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2392.941406][   T10] 
[ 2392.943409][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2392.943409][   T10]      netdev_get_by_index+0x5e/0x80
[ 2392.943409][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2392.943409][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2392.943409][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2392.943409][   T10]      ipv6_add_addr+0x411/0x2000
[ 2392.943409][   T10]      inet6_addr_add+0x30e/0xa40
[ 2392.943409][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2392.943409][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2392.943409][   T10]      netlink_rcv_skb+0x130/0x360
[ 2392.943409][   T10]      netlink_unicast+0x449/0x710
[ 2392.943409][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2392.943409][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2392.943409][   T10]      ___sys_sendmsg+0xee/0x170
[ 2392.943409][   T10]      __sys_sendmsg+0xcd/0x170
[ 2392.943409][   T10]      do_syscall_64+0xc6/0x1e0
[ 2392.943409][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2392.943409][   T10] 
[ 2392.945453][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2392.945453][   T10]      netdev_get_by_index+0x5e/0x80
[ 2392.945453][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2392.945453][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2392.945453][   T10]      ip6_route_add+0x1c/0x140
[ 2392.945453][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2392.945453][   T10]      addrconf_add_dev+0xe2/0x170
[ 2392.945453][   T10]      inet6_addr_add+0x12f/0xa40
[ 2392.945453][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2392.945453][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2392.945453][   T10]      netlink_rcv_skb+0x130/0x360
[ 2392.945453][   T10]      netlink_unicast+0x449/0x710
[ 2392.945453][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2392.945453][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2392.945453][   T10]      ___sys_sendmsg+0xee/0x170
[ 2392.945453][   T10]      __sys_sendmsg+0xcd/0x170
[ 2392.945453][   T10]      do_syscall_64+0xc6/0x1e0
[ 2392.945453][   T10] 
[ 2392.947407][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2392.947407][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2392.947407][   T10]      ipv6_find_idev+0x102/0x170
[ 2392.947407][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2392.947407][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2392.947407][   T10]      netlink_rcv_skb+0x130/0x360
[ 2392.947407][   T10]      netlink_unicast+0x449/0x710
[ 2392.947407][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2392.947407][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2392.947407][   T10]      ___sys_sendmsg+0xee/0x170
[ 2392.947407][   T10]      __sys_sendmsg+0xcd/0x170
[ 2392.947407][   T10]      do_syscall_64+0xc6/0x1e0
[ 2392.947407][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2392.947407][   T10] 
[ 2392.948944][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2392.948944][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2392.948944][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2392.948944][   T10]      ipv6_find_idev+0x102/0x170
[ 2392.948944][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2392.948944][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2392.948944][   T10]      netlink_rcv_skb+0x130/0x360
[ 2392.948944][   T10]      netlink_unicast+0x449/0x710
[ 2392.948944][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2392.948944][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2392.948944][   T10]      ___sys_sendmsg+0xee/0x170
[ 2392.948944][   T10]      __sys_sendmsg+0xcd/0x170
[ 2392.948944][   T10]      do_syscall_64+0xc6/0x1e0
[ 2392.948944][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2392.948944][   T10] 
[ 2403.191971][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2403.192517][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2403.192517][   T10]      dst_init+0x84/0x4a0
[ 2403.192517][   T10]      dst_alloc+0x97/0x150
[ 2403.192517][   T10]      ip6_dst_alloc+0x23/0x90
[ 2403.192517][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2403.192517][   T10]      ip6_pol_route+0x56f/0x840
[ 2403.192517][   T10]      fib6_rule_lookup+0x456/0x630
[ 2403.192517][   T10]      ip6_route_input+0x59c/0xa50
[ 2403.192517][   T10]      ipv6_rcv+0x397/0x810
[ 2403.192517][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2403.192517][   T10]      process_backlog+0x101/0x620
[ 2403.192517][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2403.192517][   T10]      net_rx_action+0x495/0xbe0
[ 2403.192517][   T10]      __do_softirq+0x1b5/0x7f6
[ 2403.192517][   T10] 
[ 2403.194224][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2403.194224][   T10]      netdev_get_by_index+0x5e/0x80
[ 2403.194224][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2403.194224][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2403.194224][   T10]      ip6_route_add+0x1c/0x140
[ 2403.194224][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2403.194224][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2403.194224][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2403.194224][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2403.194224][   T10]      netlink_rcv_skb+0x130/0x360
[ 2403.194224][   T10]      netlink_unicast+0x449/0x710
[ 2403.194224][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2403.194224][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2403.194224][   T10]      ___sys_sendmsg+0xee/0x170
[ 2403.194224][   T10]      __sys_sendmsg+0xcd/0x170
[ 2403.194224][   T10]      do_syscall_64+0xc6/0x1e0
[ 2403.194224][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2403.194224][   T10] 
[ 2403.196185][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2403.196185][   T10]      netdev_get_by_index+0x5e/0x80
[ 2403.196185][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2403.196185][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2403.196185][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2403.196185][   T10]      ipv6_add_addr+0x411/0x2000
[ 2403.196185][   T10]      inet6_addr_add+0x30e/0xa40
[ 2403.196185][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2403.196185][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2403.196185][   T10]      netlink_rcv_skb+0x130/0x360
[ 2403.196185][   T10]      netlink_unicast+0x449/0x710
[ 2403.196185][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2403.196185][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2403.196185][   T10]      ___sys_sendmsg+0xee/0x170
[ 2403.196185][   T10]      __sys_sendmsg+0xcd/0x170
[ 2403.196185][   T10]      do_syscall_64+0xc6/0x1e0
[ 2403.196185][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2403.196185][   T10] 
[ 2403.198167][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2403.198167][   T10]      netdev_get_by_index+0x5e/0x80
[ 2403.198167][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2403.198167][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2403.198167][   T10]      ip6_route_add+0x1c/0x140
[ 2403.198167][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2403.198167][   T10]      addrconf_add_dev+0xe2/0x170
[ 2403.198167][   T10]      inet6_addr_add+0x12f/0xa40
[ 2403.198167][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2403.198167][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2403.198167][   T10]      netlink_rcv_skb+0x130/0x360
[ 2403.198167][   T10]      netlink_unicast+0x449/0x710
[ 2403.198167][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2403.198167][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2403.198167][   T10]      ___sys_sendmsg+0xee/0x170
[ 2403.198167][   T10]      __sys_sendmsg+0xcd/0x170
[ 2403.198167][   T10]      do_syscall_64+0xc6/0x1e0
[ 2403.198167][   T10] 
[ 2403.200042][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2403.200042][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2403.200042][   T10]      ipv6_find_idev+0x102/0x170
[ 2403.200042][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2403.200042][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2403.200042][   T10]      netlink_rcv_skb+0x130/0x360
[ 2403.200042][   T10]      netlink_unicast+0x449/0x710
[ 2403.200042][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2403.200042][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2403.200042][   T10]      ___sys_sendmsg+0xee/0x170
[ 2403.200042][   T10]      __sys_sendmsg+0xcd/0x170
[ 2403.200042][   T10]      do_syscall_64+0xc6/0x1e0
[ 2403.200042][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2403.200042][   T10] 
[ 2403.201501][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2403.201501][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2403.201501][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2403.201501][   T10]      ipv6_find_idev+0x102/0x170
[ 2403.201501][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2403.201501][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2403.201501][   T10]      netlink_rcv_skb+0x130/0x360
[ 2403.201501][   T10]      netlink_unicast+0x449/0x710
[ 2403.201501][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2403.201501][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2403.201501][   T10]      ___sys_sendmsg+0xee/0x170
[ 2403.201501][   T10]      __sys_sendmsg+0xcd/0x170
[ 2403.201501][   T10]      do_syscall_64+0xc6/0x1e0
[ 2403.201501][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2403.201501][   T10] 
[ 2403.203143][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2403.203417][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2403.203417][   T10]      netdev_get_by_index+0x5e/0x80
[ 2403.203417][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2403.203417][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2403.203417][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2403.203417][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2403.203417][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2403.203417][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2403.203417][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2403.203417][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2403.203417][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2403.203417][   T10]      vfs_write+0x9e5/0x10a0
[ 2403.203417][   T10]      ksys_write+0xf5/0x1e0
[ 2403.203417][   T10]      do_syscall_64+0xc6/0x1e0
[ 2403.203417][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2403.203417][   T10] 
[ 2403.205277][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2403.205277][   T10]      netdev_get_by_index+0x5e/0x80
[ 2403.205277][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2403.205277][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2403.205277][   T10]      ip6_route_add+0x1c/0x140
[ 2403.205277][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2403.205277][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2403.205277][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2403.205277][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2403.205277][   T10]      netlink_rcv_skb+0x130/0x360
[ 2403.205277][   T10]      netlink_unicast+0x449/0x710
[ 2403.205277][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2403.205277][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2403.205277][   T10]      ___sys_sendmsg+0xee/0x170
[ 2403.205277][   T10]      __sys_sendmsg+0xcd/0x170
[ 2403.205277][   T10]      do_syscall_64+0xc6/0x1e0
[ 2403.205277][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2403.205277][   T10] 
[ 2403.207335][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2403.207335][   T10]      netdev_get_by_index+0x5e/0x80
[ 2403.207335][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2403.207335][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2403.207335][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2403.207335][   T10]      ipv6_add_addr+0x411/0x2000
[ 2403.207335][   T10]      inet6_addr_add+0x30e/0xa40
[ 2403.207335][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2403.207335][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2403.207335][   T10]      netlink_rcv_skb+0x130/0x360
[ 2403.207335][   T10]      netlink_unicast+0x449/0x710
[ 2403.207335][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2403.207335][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2403.207335][   T10]      ___sys_sendmsg+0xee/0x170
[ 2403.207335][   T10]      __sys_sendmsg+0xcd/0x170
[ 2403.207335][   T10]      do_syscall_64+0xc6/0x1e0
[ 2403.207335][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2403.207335][   T10] 
[ 2403.209361][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2403.209361][   T10]      netdev_get_by_index+0x5e/0x80
[ 2403.209361][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2403.209361][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2403.209361][   T10]      ip6_route_add+0x1c/0x140
[ 2403.209361][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2403.209361][   T10]      addrconf_add_dev+0xe2/0x170
[ 2403.209361][   T10]      inet6_addr_add+0x12f/0xa40
[ 2403.209361][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2403.209361][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2403.209361][   T10]      netlink_rcv_skb+0x130/0x360
[ 2403.209361][   T10]      netlink_unicast+0x449/0x710
[ 2403.209361][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2403.209361][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2403.209361][   T10]      ___sys_sendmsg+0xee/0x170
[ 2403.209361][   T10]      __sys_sendmsg+0xcd/0x170
[ 2403.209361][   T10]      do_syscall_64+0xc6/0x1e0
[ 2403.209361][   T10] 
[ 2403.211314][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2403.211314][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2403.211314][   T10]      ipv6_find_idev+0x102/0x170
[ 2403.211314][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2403.211314][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2403.211314][   T10]      netlink_rcv_skb+0x130/0x360
[ 2403.211314][   T10]      netlink_unicast+0x449/0x710
[ 2403.211314][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2403.211314][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2403.211314][   T10]      ___sys_sendmsg+0xee/0x170
[ 2403.211314][   T10]      __sys_sendmsg+0xcd/0x170
[ 2403.211314][   T10]      do_syscall_64+0xc6/0x1e0
[ 2403.211314][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2403.211314][   T10] 
[ 2403.212881][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2403.212881][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2403.212881][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2403.212881][   T10]      ipv6_find_idev+0x102/0x170
[ 2403.212881][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2403.212881][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2403.212881][   T10]      netlink_rcv_skb+0x130/0x360
[ 2403.212881][   T10]      netlink_unicast+0x449/0x710
[ 2403.212881][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2403.212881][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2403.212881][   T10]      ___sys_sendmsg+0xee/0x170
[ 2403.212881][   T10]      __sys_sendmsg+0xcd/0x170
[ 2403.212881][   T10]      do_syscall_64+0xc6/0x1e0
[ 2403.212881][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2403.212881][   T10] 
[ 2413.455872][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2413.456408][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2413.456408][   T10]      dst_init+0x84/0x4a0
[ 2413.456408][   T10]      dst_alloc+0x97/0x150
[ 2413.456408][   T10]      ip6_dst_alloc+0x23/0x90
[ 2413.456408][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2413.456408][   T10]      ip6_pol_route+0x56f/0x840
[ 2413.456408][   T10]      fib6_rule_lookup+0x456/0x630
[ 2413.456408][   T10]      ip6_route_input+0x59c/0xa50
[ 2413.456408][   T10]      ipv6_rcv+0x397/0x810
[ 2413.456408][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2413.456408][   T10]      process_backlog+0x101/0x620
[ 2413.456408][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2413.456408][   T10]      net_rx_action+0x495/0xbe0
[ 2413.456408][   T10]      __do_softirq+0x1b5/0x7f6
[ 2413.456408][   T10] 
[ 2413.458116][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2413.458116][   T10]      netdev_get_by_index+0x5e/0x80
[ 2413.458116][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2413.458116][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2413.458116][   T10]      ip6_route_add+0x1c/0x140
[ 2413.458116][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2413.458116][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2413.458116][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2413.458116][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2413.458116][   T10]      netlink_rcv_skb+0x130/0x360
[ 2413.458116][   T10]      netlink_unicast+0x449/0x710
[ 2413.458116][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2413.458116][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2413.458116][   T10]      ___sys_sendmsg+0xee/0x170
[ 2413.458116][   T10]      __sys_sendmsg+0xcd/0x170
[ 2413.458116][   T10]      do_syscall_64+0xc6/0x1e0
[ 2413.458116][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2413.458116][   T10] 
[ 2413.460065][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2413.460065][   T10]      netdev_get_by_index+0x5e/0x80
[ 2413.460065][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2413.460065][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2413.460065][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2413.460065][   T10]      ipv6_add_addr+0x411/0x2000
[ 2413.460065][   T10]      inet6_addr_add+0x30e/0xa40
[ 2413.460065][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2413.460065][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2413.460065][   T10]      netlink_rcv_skb+0x130/0x360
[ 2413.460065][   T10]      netlink_unicast+0x449/0x710
[ 2413.460065][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2413.460065][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2413.460065][   T10]      ___sys_sendmsg+0xee/0x170
[ 2413.460065][   T10]      __sys_sendmsg+0xcd/0x170
[ 2413.460065][   T10]      do_syscall_64+0xc6/0x1e0
[ 2413.460065][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2413.460065][   T10] 
[ 2413.462090][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2413.462090][   T10]      netdev_get_by_index+0x5e/0x80
[ 2413.462090][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2413.462090][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2413.462090][   T10]      ip6_route_add+0x1c/0x140
[ 2413.462090][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2413.462090][   T10]      addrconf_add_dev+0xe2/0x170
[ 2413.462090][   T10]      inet6_addr_add+0x12f/0xa40
[ 2413.462090][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2413.462090][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2413.462090][   T10]      netlink_rcv_skb+0x130/0x360
[ 2413.462090][   T10]      netlink_unicast+0x449/0x710
[ 2413.462090][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2413.462090][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2413.462090][   T10]      ___sys_sendmsg+0xee/0x170
[ 2413.462090][   T10]      __sys_sendmsg+0xcd/0x170
[ 2413.462090][   T10]      do_syscall_64+0xc6/0x1e0
[ 2413.462090][   T10] 
[ 2413.464065][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2413.464065][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2413.464065][   T10]      ipv6_find_idev+0x102/0x170
[ 2413.464065][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2413.464065][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2413.464065][   T10]      netlink_rcv_skb+0x130/0x360
[ 2413.464065][   T10]      netlink_unicast+0x449/0x710
[ 2413.464065][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2413.464065][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2413.464065][   T10]      ___sys_sendmsg+0xee/0x170
[ 2413.464065][   T10]      __sys_sendmsg+0xcd/0x170
[ 2413.464065][   T10]      do_syscall_64+0xc6/0x1e0
[ 2413.464065][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2413.464065][   T10] 
[ 2413.465554][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2413.465554][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2413.465554][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2413.465554][   T10]      ipv6_find_idev+0x102/0x170
[ 2413.465554][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2413.465554][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2413.465554][   T10]      netlink_rcv_skb+0x130/0x360
[ 2413.465554][   T10]      netlink_unicast+0x449/0x710
[ 2413.465554][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2413.465554][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2413.465554][   T10]      ___sys_sendmsg+0xee/0x170
[ 2413.465554][   T10]      __sys_sendmsg+0xcd/0x170
[ 2413.465554][   T10]      do_syscall_64+0xc6/0x1e0
[ 2413.465554][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2413.465554][   T10] 
[ 2413.467203][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2413.467449][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2413.467449][   T10]      netdev_get_by_index+0x5e/0x80
[ 2413.467449][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2413.467449][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2413.467449][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2413.467449][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2413.467449][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2413.467449][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2413.467449][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2413.467449][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2413.467449][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2413.467449][   T10]      vfs_write+0x9e5/0x10a0
[ 2413.467449][   T10]      ksys_write+0xf5/0x1e0
[ 2413.467449][   T10]      do_syscall_64+0xc6/0x1e0
[ 2413.467449][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2413.467449][   T10] 
[ 2413.469265][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2413.469265][   T10]      netdev_get_by_index+0x5e/0x80
[ 2413.469265][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2413.469265][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2413.469265][   T10]      ip6_route_add+0x1c/0x140
[ 2413.469265][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2413.469265][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2413.469265][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2413.469265][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2413.469265][   T10]      netlink_rcv_skb+0x130/0x360
[ 2413.469265][   T10]      netlink_unicast+0x449/0x710
[ 2413.469265][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2413.469265][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2413.469265][   T10]      ___sys_sendmsg+0xee/0x170
[ 2413.469265][   T10]      __sys_sendmsg+0xcd/0x170
[ 2413.469265][   T10]      do_syscall_64+0xc6/0x1e0
[ 2413.469265][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2413.469265][   T10] 
[ 2413.471316][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2413.471316][   T10]      netdev_get_by_index+0x5e/0x80
[ 2413.471316][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2413.471316][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2413.471316][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2413.471316][   T10]      ipv6_add_addr+0x411/0x2000
[ 2413.471316][   T10]      inet6_addr_add+0x30e/0xa40
[ 2413.471316][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2413.471316][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2413.471316][   T10]      netlink_rcv_skb+0x130/0x360
[ 2413.471316][   T10]      netlink_unicast+0x449/0x710
[ 2413.471316][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2413.471316][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2413.471316][   T10]      ___sys_sendmsg+0xee/0x170
[ 2413.471316][   T10]      __sys_sendmsg+0xcd/0x170
[ 2413.471316][   T10]      do_syscall_64+0xc6/0x1e0
[ 2413.471316][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2413.471316][   T10] 
[ 2413.473355][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2413.473355][   T10]      netdev_get_by_index+0x5e/0x80
[ 2413.473355][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2413.473355][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2413.473355][   T10]      ip6_route_add+0x1c/0x140
[ 2413.473355][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2413.473355][   T10]      addrconf_add_dev+0xe2/0x170
[ 2413.473355][   T10]      inet6_addr_add+0x12f/0xa40
[ 2413.473355][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2413.473355][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2413.473355][   T10]      netlink_rcv_skb+0x130/0x360
[ 2413.473355][   T10]      netlink_unicast+0x449/0x710
[ 2413.473355][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2413.473355][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2413.473355][   T10]      ___sys_sendmsg+0xee/0x170
[ 2413.473355][   T10]      __sys_sendmsg+0xcd/0x170
[ 2413.473355][   T10]      do_syscall_64+0xc6/0x1e0
[ 2413.473355][   T10] 
[ 2413.475362][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2413.475362][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2413.475362][   T10]      ipv6_find_idev+0x102/0x170
[ 2413.475362][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2413.475362][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2413.475362][   T10]      netlink_rcv_skb+0x130/0x360
[ 2413.475362][   T10]      netlink_unicast+0x449/0x710
[ 2413.475362][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2413.475362][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2413.475362][   T10]      ___sys_sendmsg+0xee/0x170
[ 2413.475362][   T10]      __sys_sendmsg+0xcd/0x170
[ 2413.475362][   T10]      do_syscall_64+0xc6/0x1e0
[ 2413.475362][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2413.475362][   T10] 
[ 2413.476919][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2413.476919][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2413.476919][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2413.476919][   T10]      ipv6_find_idev+0x102/0x170
[ 2413.476919][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2413.476919][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2413.476919][   T10]      netlink_rcv_skb+0x130/0x360
[ 2413.476919][   T10]      netlink_unicast+0x449/0x710
[ 2413.476919][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2413.476919][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2413.476919][   T10]      ___sys_sendmsg+0xee/0x170
[ 2413.476919][   T10]      __sys_sendmsg+0xcd/0x170
[ 2413.476919][   T10]      do_syscall_64+0xc6/0x1e0
[ 2413.476919][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2413.476919][   T10] 
[ 2423.615880][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2423.616527][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2423.616527][   T10]      dst_init+0x84/0x4a0
[ 2423.616527][   T10]      dst_alloc+0x97/0x150
[ 2423.616527][   T10]      ip6_dst_alloc+0x23/0x90
[ 2423.616527][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2423.616527][   T10]      ip6_pol_route+0x56f/0x840
[ 2423.616527][   T10]      fib6_rule_lookup+0x456/0x630
[ 2423.616527][   T10]      ip6_route_input+0x59c/0xa50
[ 2423.616527][   T10]      ipv6_rcv+0x397/0x810
[ 2423.616527][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2423.616527][   T10]      process_backlog+0x101/0x620
[ 2423.616527][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2423.616527][   T10]      net_rx_action+0x495/0xbe0
[ 2423.616527][   T10]      __do_softirq+0x1b5/0x7f6
[ 2423.616527][   T10] 
[ 2423.618150][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2423.618150][   T10]      netdev_get_by_index+0x5e/0x80
[ 2423.618150][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2423.618150][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2423.618150][   T10]      ip6_route_add+0x1c/0x140
[ 2423.618150][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2423.618150][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2423.618150][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2423.618150][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2423.618150][   T10]      netlink_rcv_skb+0x130/0x360
[ 2423.618150][   T10]      netlink_unicast+0x449/0x710
[ 2423.618150][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2423.618150][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2423.618150][   T10]      ___sys_sendmsg+0xee/0x170
[ 2423.618150][   T10]      __sys_sendmsg+0xcd/0x170
[ 2423.618150][   T10]      do_syscall_64+0xc6/0x1e0
[ 2423.618150][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2423.618150][   T10] 
[ 2423.620136][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2423.620136][   T10]      netdev_get_by_index+0x5e/0x80
[ 2423.620136][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2423.620136][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2423.620136][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2423.620136][   T10]      ipv6_add_addr+0x411/0x2000
[ 2423.620136][   T10]      inet6_addr_add+0x30e/0xa40
[ 2423.620136][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2423.620136][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2423.620136][   T10]      netlink_rcv_skb+0x130/0x360
[ 2423.620136][   T10]      netlink_unicast+0x449/0x710
[ 2423.620136][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2423.620136][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2423.620136][   T10]      ___sys_sendmsg+0xee/0x170
[ 2423.620136][   T10]      __sys_sendmsg+0xcd/0x170
[ 2423.620136][   T10]      do_syscall_64+0xc6/0x1e0
[ 2423.620136][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2423.620136][   T10] 
[ 2423.622097][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2423.622097][   T10]      netdev_get_by_index+0x5e/0x80
[ 2423.622097][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2423.622097][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2423.622097][   T10]      ip6_route_add+0x1c/0x140
[ 2423.622097][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2423.622097][   T10]      addrconf_add_dev+0xe2/0x170
[ 2423.622097][   T10]      inet6_addr_add+0x12f/0xa40
[ 2423.622097][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2423.622097][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2423.622097][   T10]      netlink_rcv_skb+0x130/0x360
[ 2423.622097][   T10]      netlink_unicast+0x449/0x710
[ 2423.622097][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2423.622097][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2423.622097][   T10]      ___sys_sendmsg+0xee/0x170
[ 2423.622097][   T10]      __sys_sendmsg+0xcd/0x170
[ 2423.622097][   T10]      do_syscall_64+0xc6/0x1e0
[ 2423.622097][   T10] 
[ 2423.624145][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2423.624145][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2423.624145][   T10]      ipv6_find_idev+0x102/0x170
[ 2423.624145][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2423.624145][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2423.624145][   T10]      netlink_rcv_skb+0x130/0x360
[ 2423.624145][   T10]      netlink_unicast+0x449/0x710
[ 2423.624145][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2423.624145][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2423.624145][   T10]      ___sys_sendmsg+0xee/0x170
[ 2423.624145][   T10]      __sys_sendmsg+0xcd/0x170
[ 2423.624145][   T10]      do_syscall_64+0xc6/0x1e0
[ 2423.624145][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2423.624145][   T10] 
[ 2423.625686][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2423.625686][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2423.625686][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2423.625686][   T10]      ipv6_find_idev+0x102/0x170
[ 2423.625686][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2423.625686][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2423.625686][   T10]      netlink_rcv_skb+0x130/0x360
[ 2423.625686][   T10]      netlink_unicast+0x449/0x710
[ 2423.625686][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2423.625686][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2423.625686][   T10]      ___sys_sendmsg+0xee/0x170
[ 2423.625686][   T10]      __sys_sendmsg+0xcd/0x170
[ 2423.625686][   T10]      do_syscall_64+0xc6/0x1e0
[ 2423.625686][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2423.625686][   T10] 
[ 2423.627434][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2423.627689][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2423.627689][   T10]      netdev_get_by_index+0x5e/0x80
[ 2423.627689][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2423.627689][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2423.627689][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2423.627689][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2423.627689][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2423.627689][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2423.627689][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2423.627689][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2423.627689][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2423.627689][   T10]      vfs_write+0x9e5/0x10a0
[ 2423.627689][   T10]      ksys_write+0xf5/0x1e0
[ 2423.627689][   T10]      do_syscall_64+0xc6/0x1e0
[ 2423.627689][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2423.627689][   T10] 
[ 2423.629564][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2423.629564][   T10]      netdev_get_by_index+0x5e/0x80
[ 2423.629564][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2423.629564][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2423.629564][   T10]      ip6_route_add+0x1c/0x140
[ 2423.629564][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2423.629564][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2423.629564][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2423.629564][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2423.629564][   T10]      netlink_rcv_skb+0x130/0x360
[ 2423.629564][   T10]      netlink_unicast+0x449/0x710
[ 2423.629564][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2423.629564][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2423.629564][   T10]      ___sys_sendmsg+0xee/0x170
[ 2423.629564][   T10]      __sys_sendmsg+0xcd/0x170
[ 2423.629564][   T10]      do_syscall_64+0xc6/0x1e0
[ 2423.629564][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2423.629564][   T10] 
[ 2423.631563][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2423.631563][   T10]      netdev_get_by_index+0x5e/0x80
[ 2423.631563][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2423.631563][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2423.631563][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2423.631563][   T10]      ipv6_add_addr+0x411/0x2000
[ 2423.631563][   T10]      inet6_addr_add+0x30e/0xa40
[ 2423.631563][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2423.631563][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2423.631563][   T10]      netlink_rcv_skb+0x130/0x360
[ 2423.631563][   T10]      netlink_unicast+0x449/0x710
[ 2423.631563][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2423.631563][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2423.631563][   T10]      ___sys_sendmsg+0xee/0x170
[ 2423.631563][   T10]      __sys_sendmsg+0xcd/0x170
[ 2423.631563][   T10]      do_syscall_64+0xc6/0x1e0
[ 2423.631563][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2423.631563][   T10] 
[ 2423.633611][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2423.633611][   T10]      netdev_get_by_index+0x5e/0x80
[ 2423.633611][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2423.633611][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2423.633611][   T10]      ip6_route_add+0x1c/0x140
[ 2423.633611][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2423.633611][   T10]      addrconf_add_dev+0xe2/0x170
[ 2423.633611][   T10]      inet6_addr_add+0x12f/0xa40
[ 2423.633611][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2423.633611][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2423.633611][   T10]      netlink_rcv_skb+0x130/0x360
[ 2423.633611][   T10]      netlink_unicast+0x449/0x710
[ 2423.633611][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2423.633611][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2423.633611][   T10]      ___sys_sendmsg+0xee/0x170
[ 2423.633611][   T10]      __sys_sendmsg+0xcd/0x170
[ 2423.633611][   T10]      do_syscall_64+0xc6/0x1e0
[ 2423.633611][   T10] 
[ 2423.635644][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2423.635644][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2423.635644][   T10]      ipv6_find_idev+0x102/0x170
[ 2423.635644][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2423.635644][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2423.635644][   T10]      netlink_rcv_skb+0x130/0x360
[ 2423.635644][   T10]      netlink_unicast+0x449/0x710
[ 2423.635644][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2423.635644][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2423.635644][   T10]      ___sys_sendmsg+0xee/0x170
[ 2423.635644][   T10]      __sys_sendmsg+0xcd/0x170
[ 2423.635644][   T10]      do_syscall_64+0xc6/0x1e0
[ 2423.635644][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2423.635644][   T10] 
[ 2423.637197][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2423.637197][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2423.637197][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2423.637197][   T10]      ipv6_find_idev+0x102/0x170
[ 2423.637197][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2423.637197][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2423.637197][   T10]      netlink_rcv_skb+0x130/0x360
[ 2423.637197][   T10]      netlink_unicast+0x449/0x710
[ 2423.637197][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2423.637197][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2423.637197][   T10]      ___sys_sendmsg+0xee/0x170
[ 2423.637197][   T10]      __sys_sendmsg+0xcd/0x170
[ 2423.637197][   T10]      do_syscall_64+0xc6/0x1e0
[ 2423.637197][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2423.637197][   T10] 
[ 2433.655872][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2433.656552][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2433.656552][   T10]      dst_init+0x84/0x4a0
[ 2433.656552][   T10]      dst_alloc+0x97/0x150
[ 2433.656552][   T10]      ip6_dst_alloc+0x23/0x90
[ 2433.656552][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2433.656552][   T10]      ip6_pol_route+0x56f/0x840
[ 2433.656552][   T10]      fib6_rule_lookup+0x456/0x630
[ 2433.656552][   T10]      ip6_route_input+0x59c/0xa50
[ 2433.656552][   T10]      ipv6_rcv+0x397/0x810
[ 2433.656552][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2433.656552][   T10]      process_backlog+0x101/0x620
[ 2433.656552][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2433.656552][   T10]      net_rx_action+0x495/0xbe0
[ 2433.656552][   T10]      __do_softirq+0x1b5/0x7f6
[ 2433.656552][   T10] 
[ 2433.658205][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2433.658205][   T10]      netdev_get_by_index+0x5e/0x80
[ 2433.658205][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2433.658205][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2433.658205][   T10]      ip6_route_add+0x1c/0x140
[ 2433.658205][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2433.658205][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2433.658205][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2433.658205][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2433.658205][   T10]      netlink_rcv_skb+0x130/0x360
[ 2433.658205][   T10]      netlink_unicast+0x449/0x710
[ 2433.658205][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2433.658205][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2433.658205][   T10]      ___sys_sendmsg+0xee/0x170
[ 2433.658205][   T10]      __sys_sendmsg+0xcd/0x170
[ 2433.658205][   T10]      do_syscall_64+0xc6/0x1e0
[ 2433.658205][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2433.658205][   T10] 
[ 2433.660351][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2433.660351][   T10]      netdev_get_by_index+0x5e/0x80
[ 2433.660351][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2433.660351][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2433.660351][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2433.660351][   T10]      ipv6_add_addr+0x411/0x2000
[ 2433.660351][   T10]      inet6_addr_add+0x30e/0xa40
[ 2433.660351][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2433.660351][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2433.660351][   T10]      netlink_rcv_skb+0x130/0x360
[ 2433.660351][   T10]      netlink_unicast+0x449/0x710
[ 2433.660351][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2433.660351][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2433.660351][   T10]      ___sys_sendmsg+0xee/0x170
[ 2433.660351][   T10]      __sys_sendmsg+0xcd/0x170
[ 2433.660351][   T10]      do_syscall_64+0xc6/0x1e0
[ 2433.660351][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2433.660351][   T10] 
[ 2433.662442][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2433.662442][   T10]      netdev_get_by_index+0x5e/0x80
[ 2433.662442][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2433.662442][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2433.662442][   T10]      ip6_route_add+0x1c/0x140
[ 2433.662442][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2433.662442][   T10]      addrconf_add_dev+0xe2/0x170
[ 2433.662442][   T10]      inet6_addr_add+0x12f/0xa40
[ 2433.662442][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2433.662442][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2433.662442][   T10]      netlink_rcv_skb+0x130/0x360
[ 2433.662442][   T10]      netlink_unicast+0x449/0x710
[ 2433.662442][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2433.662442][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2433.662442][   T10]      ___sys_sendmsg+0xee/0x170
[ 2433.662442][   T10]      __sys_sendmsg+0xcd/0x170
[ 2433.662442][   T10]      do_syscall_64+0xc6/0x1e0
[ 2433.662442][   T10] 
[ 2433.664578][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2433.664578][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2433.664578][   T10]      ipv6_find_idev+0x102/0x170
[ 2433.664578][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2433.664578][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2433.664578][   T10]      netlink_rcv_skb+0x130/0x360
[ 2433.664578][   T10]      netlink_unicast+0x449/0x710
[ 2433.664578][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2433.664578][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2433.664578][   T10]      ___sys_sendmsg+0xee/0x170
[ 2433.664578][   T10]      __sys_sendmsg+0xcd/0x170
[ 2433.664578][   T10]      do_syscall_64+0xc6/0x1e0
[ 2433.664578][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2433.664578][   T10] 
[ 2433.666193][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2433.666193][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2433.666193][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2433.666193][   T10]      ipv6_find_idev+0x102/0x170
[ 2433.666193][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2433.666193][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2433.666193][   T10]      netlink_rcv_skb+0x130/0x360
[ 2433.666193][   T10]      netlink_unicast+0x449/0x710
[ 2433.666193][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2433.666193][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2433.666193][   T10]      ___sys_sendmsg+0xee/0x170
[ 2433.666193][   T10]      __sys_sendmsg+0xcd/0x170
[ 2433.666193][   T10]      do_syscall_64+0xc6/0x1e0
[ 2433.666193][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2433.666193][   T10] 
[ 2433.667971][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2433.668245][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2433.668245][   T10]      netdev_get_by_index+0x5e/0x80
[ 2433.668245][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2433.668245][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2433.668245][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2433.668245][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2433.668245][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2433.668245][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2433.668245][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2433.668245][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2433.668245][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2433.668245][   T10]      vfs_write+0x9e5/0x10a0
[ 2433.668245][   T10]      ksys_write+0xf5/0x1e0
[ 2433.668245][   T10]      do_syscall_64+0xc6/0x1e0
[ 2433.668245][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2433.668245][   T10] 
[ 2433.670196][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2433.670196][   T10]      netdev_get_by_index+0x5e/0x80
[ 2433.670196][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2433.670196][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2433.670196][   T10]      ip6_route_add+0x1c/0x140
[ 2433.670196][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2433.670196][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2433.670196][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2433.670196][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2433.670196][   T10]      netlink_rcv_skb+0x130/0x360
[ 2433.670196][   T10]      netlink_unicast+0x449/0x710
[ 2433.670196][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2433.670196][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2433.670196][   T10]      ___sys_sendmsg+0xee/0x170
[ 2433.670196][   T10]      __sys_sendmsg+0xcd/0x170
[ 2433.670196][   T10]      do_syscall_64+0xc6/0x1e0
[ 2433.670196][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2433.670196][   T10] 
[ 2433.672343][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2433.672343][   T10]      netdev_get_by_index+0x5e/0x80
[ 2433.672343][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2433.672343][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2433.672343][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2433.672343][   T10]      ipv6_add_addr+0x411/0x2000
[ 2433.672343][   T10]      inet6_addr_add+0x30e/0xa40
[ 2433.672343][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2433.672343][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2433.672343][   T10]      netlink_rcv_skb+0x130/0x360
[ 2433.672343][   T10]      netlink_unicast+0x449/0x710
[ 2433.672343][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2433.672343][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2433.672343][   T10]      ___sys_sendmsg+0xee/0x170
[ 2433.672343][   T10]      __sys_sendmsg+0xcd/0x170
[ 2433.672343][   T10]      do_syscall_64+0xc6/0x1e0
[ 2433.672343][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2433.672343][   T10] 
[ 2433.674506][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2433.674506][   T10]      netdev_get_by_index+0x5e/0x80
[ 2433.674506][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2433.674506][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2433.674506][   T10]      ip6_route_add+0x1c/0x140
[ 2433.674506][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2433.674506][   T10]      addrconf_add_dev+0xe2/0x170
[ 2433.674506][   T10]      inet6_addr_add+0x12f/0xa40
[ 2433.674506][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2433.674506][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2433.674506][   T10]      netlink_rcv_skb+0x130/0x360
[ 2433.674506][   T10]      netlink_unicast+0x449/0x710
[ 2433.674506][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2433.674506][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2433.674506][   T10]      ___sys_sendmsg+0xee/0x170
[ 2433.674506][   T10]      __sys_sendmsg+0xcd/0x170
[ 2433.674506][   T10]      do_syscall_64+0xc6/0x1e0
[ 2433.674506][   T10] 
[ 2433.676637][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2433.676637][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2433.676637][   T10]      ipv6_find_idev+0x102/0x170
[ 2433.676637][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2433.676637][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2433.676637][   T10]      netlink_rcv_skb+0x130/0x360
[ 2433.676637][   T10]      netlink_unicast+0x449/0x710
[ 2433.676637][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2433.676637][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2433.676637][   T10]      ___sys_sendmsg+0xee/0x170
[ 2433.676637][   T10]      __sys_sendmsg+0xcd/0x170
[ 2433.676637][   T10]      do_syscall_64+0xc6/0x1e0
[ 2433.676637][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2433.676637][   T10] 
[ 2433.678251][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2433.678251][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2433.678251][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2433.678251][   T10]      ipv6_find_idev+0x102/0x170
[ 2433.678251][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2433.678251][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2433.678251][   T10]      netlink_rcv_skb+0x130/0x360
[ 2433.678251][   T10]      netlink_unicast+0x449/0x710
[ 2433.678251][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2433.678251][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2433.678251][   T10]      ___sys_sendmsg+0xee/0x170
[ 2433.678251][   T10]      __sys_sendmsg+0xcd/0x170
[ 2433.678251][   T10]      do_syscall_64+0xc6/0x1e0
[ 2433.678251][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2433.678251][   T10] 
[ 2443.799884][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2443.800670][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2443.800670][   T10]      dst_init+0x84/0x4a0
[ 2443.800670][   T10]      dst_alloc+0x97/0x150
[ 2443.800670][   T10]      ip6_dst_alloc+0x23/0x90
[ 2443.800670][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2443.800670][   T10]      ip6_pol_route+0x56f/0x840
[ 2443.800670][   T10]      fib6_rule_lookup+0x456/0x630
[ 2443.800670][   T10]      ip6_route_input+0x59c/0xa50
[ 2443.800670][   T10]      ipv6_rcv+0x397/0x810
[ 2443.800670][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2443.800670][   T10]      process_backlog+0x101/0x620
[ 2443.800670][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2443.800670][   T10]      net_rx_action+0x495/0xbe0
[ 2443.800670][   T10]      __do_softirq+0x1b5/0x7f6
[ 2443.800670][   T10] 
[ 2443.802288][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2443.802288][   T10]      netdev_get_by_index+0x5e/0x80
[ 2443.802288][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2443.802288][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2443.802288][   T10]      ip6_route_add+0x1c/0x140
[ 2443.802288][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2443.802288][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2443.802288][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2443.802288][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2443.802288][   T10]      netlink_rcv_skb+0x130/0x360
[ 2443.802288][   T10]      netlink_unicast+0x449/0x710
[ 2443.802288][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2443.802288][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2443.802288][   T10]      ___sys_sendmsg+0xee/0x170
[ 2443.802288][   T10]      __sys_sendmsg+0xcd/0x170
[ 2443.802288][   T10]      do_syscall_64+0xc6/0x1e0
[ 2443.802288][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2443.802288][   T10] 
[ 2443.804385][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2443.804385][   T10]      netdev_get_by_index+0x5e/0x80
[ 2443.804385][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2443.804385][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2443.804385][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2443.804385][   T10]      ipv6_add_addr+0x411/0x2000
[ 2443.804385][   T10]      inet6_addr_add+0x30e/0xa40
[ 2443.804385][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2443.804385][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2443.804385][   T10]      netlink_rcv_skb+0x130/0x360
[ 2443.804385][   T10]      netlink_unicast+0x449/0x710
[ 2443.804385][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2443.804385][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2443.804385][   T10]      ___sys_sendmsg+0xee/0x170
[ 2443.804385][   T10]      __sys_sendmsg+0xcd/0x170
[ 2443.804385][   T10]      do_syscall_64+0xc6/0x1e0
[ 2443.804385][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2443.804385][   T10] 
[ 2443.806400][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2443.806400][   T10]      netdev_get_by_index+0x5e/0x80
[ 2443.806400][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2443.806400][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2443.806400][   T10]      ip6_route_add+0x1c/0x140
[ 2443.806400][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2443.806400][   T10]      addrconf_add_dev+0xe2/0x170
[ 2443.806400][   T10]      inet6_addr_add+0x12f/0xa40
[ 2443.806400][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2443.806400][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2443.806400][   T10]      netlink_rcv_skb+0x130/0x360
[ 2443.806400][   T10]      netlink_unicast+0x449/0x710
[ 2443.806400][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2443.806400][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2443.806400][   T10]      ___sys_sendmsg+0xee/0x170
[ 2443.806400][   T10]      __sys_sendmsg+0xcd/0x170
[ 2443.806400][   T10]      do_syscall_64+0xc6/0x1e0
[ 2443.806400][   T10] 
[ 2443.808408][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2443.808408][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2443.808408][   T10]      ipv6_find_idev+0x102/0x170
[ 2443.808408][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2443.808408][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2443.808408][   T10]      netlink_rcv_skb+0x130/0x360
[ 2443.808408][   T10]      netlink_unicast+0x449/0x710
[ 2443.808408][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2443.808408][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2443.808408][   T10]      ___sys_sendmsg+0xee/0x170
[ 2443.808408][   T10]      __sys_sendmsg+0xcd/0x170
[ 2443.808408][   T10]      do_syscall_64+0xc6/0x1e0
[ 2443.808408][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2443.808408][   T10] 
[ 2443.810002][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2443.810002][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2443.810002][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2443.810002][   T10]      ipv6_find_idev+0x102/0x170
[ 2443.810002][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2443.810002][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2443.810002][   T10]      netlink_rcv_skb+0x130/0x360
[ 2443.810002][   T10]      netlink_unicast+0x449/0x710
[ 2443.810002][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2443.810002][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2443.810002][   T10]      ___sys_sendmsg+0xee/0x170
[ 2443.810002][   T10]      __sys_sendmsg+0xcd/0x170
[ 2443.810002][   T10]      do_syscall_64+0xc6/0x1e0
[ 2443.810002][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2443.810002][   T10] 
[ 2443.811727][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2443.811993][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2443.811993][   T10]      netdev_get_by_index+0x5e/0x80
[ 2443.811993][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2443.811993][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2443.811993][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2443.811993][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2443.811993][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2443.811993][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2443.811993][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2443.811993][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2443.811993][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2443.811993][   T10]      vfs_write+0x9e5/0x10a0
[ 2443.811993][   T10]      ksys_write+0xf5/0x1e0
[ 2443.811993][   T10]      do_syscall_64+0xc6/0x1e0
[ 2443.811993][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2443.811993][   T10] 
[ 2443.813878][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2443.813878][   T10]      netdev_get_by_index+0x5e/0x80
[ 2443.813878][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2443.813878][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2443.813878][   T10]      ip6_route_add+0x1c/0x140
[ 2443.813878][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2443.813878][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2443.813878][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2443.813878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2443.813878][   T10]      netlink_rcv_skb+0x130/0x360
[ 2443.813878][   T10]      netlink_unicast+0x449/0x710
[ 2443.813878][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2443.813878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2443.813878][   T10]      ___sys_sendmsg+0xee/0x170
[ 2443.813878][   T10]      __sys_sendmsg+0xcd/0x170
[ 2443.813878][   T10]      do_syscall_64+0xc6/0x1e0
[ 2443.813878][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2443.813878][   T10] 
[ 2443.815912][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2443.815912][   T10]      netdev_get_by_index+0x5e/0x80
[ 2443.815912][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2443.815912][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2443.815912][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2443.815912][   T10]      ipv6_add_addr+0x411/0x2000
[ 2443.815912][   T10]      inet6_addr_add+0x30e/0xa40
[ 2443.815912][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2443.815912][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2443.815912][   T10]      netlink_rcv_skb+0x130/0x360
[ 2443.815912][   T10]      netlink_unicast+0x449/0x710
[ 2443.815912][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2443.815912][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2443.815912][   T10]      ___sys_sendmsg+0xee/0x170
[ 2443.815912][   T10]      __sys_sendmsg+0xcd/0x170
[ 2443.815912][   T10]      do_syscall_64+0xc6/0x1e0
[ 2443.815912][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2443.815912][   T10] 
[ 2443.817939][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2443.817939][   T10]      netdev_get_by_index+0x5e/0x80
[ 2443.817939][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2443.817939][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2443.817939][   T10]      ip6_route_add+0x1c/0x140
[ 2443.817939][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2443.817939][   T10]      addrconf_add_dev+0xe2/0x170
[ 2443.817939][   T10]      inet6_addr_add+0x12f/0xa40
[ 2443.817939][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2443.817939][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2443.817939][   T10]      netlink_rcv_skb+0x130/0x360
[ 2443.817939][   T10]      netlink_unicast+0x449/0x710
[ 2443.817939][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2443.817939][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2443.817939][   T10]      ___sys_sendmsg+0xee/0x170
[ 2443.817939][   T10]      __sys_sendmsg+0xcd/0x170
[ 2443.817939][   T10]      do_syscall_64+0xc6/0x1e0
[ 2443.817939][   T10] 
[ 2443.819907][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2443.819907][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2443.819907][   T10]      ipv6_find_idev+0x102/0x170
[ 2443.819907][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2443.819907][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2443.819907][   T10]      netlink_rcv_skb+0x130/0x360
[ 2443.819907][   T10]      netlink_unicast+0x449/0x710
[ 2443.819907][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2443.819907][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2443.819907][   T10]      ___sys_sendmsg+0xee/0x170
[ 2443.819907][   T10]      __sys_sendmsg+0xcd/0x170
[ 2443.819907][   T10]      do_syscall_64+0xc6/0x1e0
[ 2443.819907][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2443.819907][   T10] 
[ 2443.821485][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2443.821485][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2443.821485][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2443.821485][   T10]      ipv6_find_idev+0x102/0x170
[ 2443.821485][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2443.821485][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2443.821485][   T10]      netlink_rcv_skb+0x130/0x360
[ 2443.821485][   T10]      netlink_unicast+0x449/0x710
[ 2443.821485][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2443.821485][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2443.821485][   T10]      ___sys_sendmsg+0xee/0x170
[ 2443.821485][   T10]      __sys_sendmsg+0xcd/0x170
[ 2443.821485][   T10]      do_syscall_64+0xc6/0x1e0
[ 2443.821485][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2443.821485][   T10] 
[ 2453.959876][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2453.960612][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2453.960612][   T10]      dst_init+0x84/0x4a0
[ 2453.960612][   T10]      dst_alloc+0x97/0x150
[ 2453.960612][   T10]      ip6_dst_alloc+0x23/0x90
[ 2453.960612][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2453.960612][   T10]      ip6_pol_route+0x56f/0x840
[ 2453.960612][   T10]      fib6_rule_lookup+0x456/0x630
[ 2453.960612][   T10]      ip6_route_input+0x59c/0xa50
[ 2453.960612][   T10]      ipv6_rcv+0x397/0x810
[ 2453.960612][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2453.960612][   T10]      process_backlog+0x101/0x620
[ 2453.960612][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2453.960612][   T10]      net_rx_action+0x495/0xbe0
[ 2453.960612][   T10]      __do_softirq+0x1b5/0x7f6
[ 2453.960612][   T10] 
[ 2453.962289][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2453.962289][   T10]      netdev_get_by_index+0x5e/0x80
[ 2453.962289][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2453.962289][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2453.962289][   T10]      ip6_route_add+0x1c/0x140
[ 2453.962289][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2453.962289][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2453.962289][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2453.962289][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2453.962289][   T10]      netlink_rcv_skb+0x130/0x360
[ 2453.962289][   T10]      netlink_unicast+0x449/0x710
[ 2453.962289][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2453.962289][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2453.962289][   T10]      ___sys_sendmsg+0xee/0x170
[ 2453.962289][   T10]      __sys_sendmsg+0xcd/0x170
[ 2453.962289][   T10]      do_syscall_64+0xc6/0x1e0
[ 2453.962289][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2453.962289][   T10] 
[ 2453.964320][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2453.964320][   T10]      netdev_get_by_index+0x5e/0x80
[ 2453.964320][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2453.964320][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2453.964320][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2453.964320][   T10]      ipv6_add_addr+0x411/0x2000
[ 2453.964320][   T10]      inet6_addr_add+0x30e/0xa40
[ 2453.964320][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2453.964320][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2453.964320][   T10]      netlink_rcv_skb+0x130/0x360
[ 2453.964320][   T10]      netlink_unicast+0x449/0x710
[ 2453.964320][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2453.964320][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2453.964320][   T10]      ___sys_sendmsg+0xee/0x170
[ 2453.964320][   T10]      __sys_sendmsg+0xcd/0x170
[ 2453.964320][   T10]      do_syscall_64+0xc6/0x1e0
[ 2453.964320][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2453.964320][   T10] 
[ 2453.966328][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2453.966328][   T10]      netdev_get_by_index+0x5e/0x80
[ 2453.966328][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2453.966328][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2453.966328][   T10]      ip6_route_add+0x1c/0x140
[ 2453.966328][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2453.966328][   T10]      addrconf_add_dev+0xe2/0x170
[ 2453.966328][   T10]      inet6_addr_add+0x12f/0xa40
[ 2453.966328][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2453.966328][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2453.966328][   T10]      netlink_rcv_skb+0x130/0x360
[ 2453.966328][   T10]      netlink_unicast+0x449/0x710
[ 2453.966328][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2453.966328][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2453.966328][   T10]      ___sys_sendmsg+0xee/0x170
[ 2453.966328][   T10]      __sys_sendmsg+0xcd/0x170
[ 2453.966328][   T10]      do_syscall_64+0xc6/0x1e0
[ 2453.966328][   T10] 
[ 2453.968301][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2453.968301][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2453.968301][   T10]      ipv6_find_idev+0x102/0x170
[ 2453.968301][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2453.968301][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2453.968301][   T10]      netlink_rcv_skb+0x130/0x360
[ 2453.968301][   T10]      netlink_unicast+0x449/0x710
[ 2453.968301][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2453.968301][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2453.968301][   T10]      ___sys_sendmsg+0xee/0x170
[ 2453.968301][   T10]      __sys_sendmsg+0xcd/0x170
[ 2453.968301][   T10]      do_syscall_64+0xc6/0x1e0
[ 2453.968301][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2453.968301][   T10] 
[ 2453.969847][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2453.969847][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2453.969847][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2453.969847][   T10]      ipv6_find_idev+0x102/0x170
[ 2453.969847][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2453.969847][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2453.969847][   T10]      netlink_rcv_skb+0x130/0x360
[ 2453.969847][   T10]      netlink_unicast+0x449/0x710
[ 2453.969847][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2453.969847][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2453.969847][   T10]      ___sys_sendmsg+0xee/0x170
[ 2453.969847][   T10]      __sys_sendmsg+0xcd/0x170
[ 2453.969847][   T10]      do_syscall_64+0xc6/0x1e0
[ 2453.969847][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2453.969847][   T10] 
[ 2453.971598][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2453.971865][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2453.971865][   T10]      netdev_get_by_index+0x5e/0x80
[ 2453.971865][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2453.971865][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2453.971865][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2453.971865][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2453.971865][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2453.971865][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2453.971865][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2453.971865][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2453.971865][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2453.971865][   T10]      vfs_write+0x9e5/0x10a0
[ 2453.971865][   T10]      ksys_write+0xf5/0x1e0
[ 2453.971865][   T10]      do_syscall_64+0xc6/0x1e0
[ 2453.971865][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2453.971865][   T10] 
[ 2453.973775][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2453.973775][   T10]      netdev_get_by_index+0x5e/0x80
[ 2453.973775][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2453.973775][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2453.973775][   T10]      ip6_route_add+0x1c/0x140
[ 2453.973775][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2453.973775][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2453.973775][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2453.973775][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2453.973775][   T10]      netlink_rcv_skb+0x130/0x360
[ 2453.973775][   T10]      netlink_unicast+0x449/0x710
[ 2453.973775][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2453.973775][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2453.973775][   T10]      ___sys_sendmsg+0xee/0x170
[ 2453.973775][   T10]      __sys_sendmsg+0xcd/0x170
[ 2453.973775][   T10]      do_syscall_64+0xc6/0x1e0
[ 2453.973775][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2453.973775][   T10] 
[ 2453.975860][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2453.975860][   T10]      netdev_get_by_index+0x5e/0x80
[ 2453.975860][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2453.975860][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2453.975860][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2453.975860][   T10]      ipv6_add_addr+0x411/0x2000
[ 2453.975860][   T10]      inet6_addr_add+0x30e/0xa40
[ 2453.975860][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2453.975860][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2453.975860][   T10]      netlink_rcv_skb+0x130/0x360
[ 2453.975860][   T10]      netlink_unicast+0x449/0x710
[ 2453.975860][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2453.975860][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2453.975860][   T10]      ___sys_sendmsg+0xee/0x170
[ 2453.975860][   T10]      __sys_sendmsg+0xcd/0x170
[ 2453.975860][   T10]      do_syscall_64+0xc6/0x1e0
[ 2453.975860][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2453.975860][   T10] 
[ 2453.977912][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2453.977912][   T10]      netdev_get_by_index+0x5e/0x80
[ 2453.977912][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2453.977912][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2453.977912][   T10]      ip6_route_add+0x1c/0x140
[ 2453.977912][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2453.977912][   T10]      addrconf_add_dev+0xe2/0x170
[ 2453.977912][   T10]      inet6_addr_add+0x12f/0xa40
[ 2453.977912][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2453.977912][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2453.977912][   T10]      netlink_rcv_skb+0x130/0x360
[ 2453.977912][   T10]      netlink_unicast+0x449/0x710
[ 2453.977912][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2453.977912][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2453.977912][   T10]      ___sys_sendmsg+0xee/0x170
[ 2453.977912][   T10]      __sys_sendmsg+0xcd/0x170
[ 2453.977912][   T10]      do_syscall_64+0xc6/0x1e0
[ 2453.977912][   T10] 
[ 2453.979929][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2453.979929][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2453.979929][   T10]      ipv6_find_idev+0x102/0x170
[ 2453.979929][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2453.979929][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2453.979929][   T10]      netlink_rcv_skb+0x130/0x360
[ 2453.979929][   T10]      netlink_unicast+0x449/0x710
[ 2453.979929][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2453.979929][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2453.979929][   T10]      ___sys_sendmsg+0xee/0x170
[ 2453.979929][   T10]      __sys_sendmsg+0xcd/0x170
[ 2453.979929][   T10]      do_syscall_64+0xc6/0x1e0
[ 2453.979929][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2453.979929][   T10] 
[ 2453.981468][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2453.981468][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2453.981468][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2453.981468][   T10]      ipv6_find_idev+0x102/0x170
[ 2453.981468][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2453.981468][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2453.981468][   T10]      netlink_rcv_skb+0x130/0x360
[ 2453.981468][   T10]      netlink_unicast+0x449/0x710
[ 2453.981468][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2453.981468][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2453.981468][   T10]      ___sys_sendmsg+0xee/0x170
[ 2453.981468][   T10]      __sys_sendmsg+0xcd/0x170
[ 2453.981468][   T10]      do_syscall_64+0xc6/0x1e0
[ 2453.981468][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2453.981468][   T10] 
[ 2464.055875][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2464.056408][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2464.056408][   T10]      dst_init+0x84/0x4a0
[ 2464.056408][   T10]      dst_alloc+0x97/0x150
[ 2464.056408][   T10]      ip6_dst_alloc+0x23/0x90
[ 2464.056408][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2464.056408][   T10]      ip6_pol_route+0x56f/0x840
[ 2464.056408][   T10]      fib6_rule_lookup+0x456/0x630
[ 2464.056408][   T10]      ip6_route_input+0x59c/0xa50
[ 2464.056408][   T10]      ipv6_rcv+0x397/0x810
[ 2464.056408][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2464.056408][   T10]      process_backlog+0x101/0x620
[ 2464.056408][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2464.056408][   T10]      net_rx_action+0x495/0xbe0
[ 2464.056408][   T10]      __do_softirq+0x1b5/0x7f6
[ 2464.056408][   T10] 
[ 2464.058013][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2464.058013][   T10]      netdev_get_by_index+0x5e/0x80
[ 2464.058013][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2464.058013][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2464.058013][   T10]      ip6_route_add+0x1c/0x140
[ 2464.058013][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2464.058013][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2464.058013][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2464.058013][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2464.058013][   T10]      netlink_rcv_skb+0x130/0x360
[ 2464.058013][   T10]      netlink_unicast+0x449/0x710
[ 2464.058013][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2464.058013][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2464.058013][   T10]      ___sys_sendmsg+0xee/0x170
[ 2464.058013][   T10]      __sys_sendmsg+0xcd/0x170
[ 2464.058013][   T10]      do_syscall_64+0xc6/0x1e0
[ 2464.058013][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2464.058013][   T10] 
[ 2464.059948][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2464.059948][   T10]      netdev_get_by_index+0x5e/0x80
[ 2464.059948][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2464.059948][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2464.059948][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2464.059948][   T10]      ipv6_add_addr+0x411/0x2000
[ 2464.059948][   T10]      inet6_addr_add+0x30e/0xa40
[ 2464.059948][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2464.059948][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2464.059948][   T10]      netlink_rcv_skb+0x130/0x360
[ 2464.059948][   T10]      netlink_unicast+0x449/0x710
[ 2464.059948][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2464.059948][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2464.059948][   T10]      ___sys_sendmsg+0xee/0x170
[ 2464.059948][   T10]      __sys_sendmsg+0xcd/0x170
[ 2464.059948][   T10]      do_syscall_64+0xc6/0x1e0
[ 2464.059948][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2464.059948][   T10] 
[ 2464.061924][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2464.061924][   T10]      netdev_get_by_index+0x5e/0x80
[ 2464.061924][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2464.061924][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2464.061924][   T10]      ip6_route_add+0x1c/0x140
[ 2464.061924][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2464.061924][   T10]      addrconf_add_dev+0xe2/0x170
[ 2464.061924][   T10]      inet6_addr_add+0x12f/0xa40
[ 2464.061924][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2464.061924][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2464.061924][   T10]      netlink_rcv_skb+0x130/0x360
[ 2464.061924][   T10]      netlink_unicast+0x449/0x710
[ 2464.061924][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2464.061924][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2464.061924][   T10]      ___sys_sendmsg+0xee/0x170
[ 2464.061924][   T10]      __sys_sendmsg+0xcd/0x170
[ 2464.061924][   T10]      do_syscall_64+0xc6/0x1e0
[ 2464.061924][   T10] 
[ 2464.063931][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2464.063931][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2464.063931][   T10]      ipv6_find_idev+0x102/0x170
[ 2464.063931][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2464.063931][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2464.063931][   T10]      netlink_rcv_skb+0x130/0x360
[ 2464.063931][   T10]      netlink_unicast+0x449/0x710
[ 2464.063931][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2464.063931][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2464.063931][   T10]      ___sys_sendmsg+0xee/0x170
[ 2464.063931][   T10]      __sys_sendmsg+0xcd/0x170
[ 2464.063931][   T10]      do_syscall_64+0xc6/0x1e0
[ 2464.063931][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2464.063931][   T10] 
[ 2464.065485][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2464.065485][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2464.065485][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2464.065485][   T10]      ipv6_find_idev+0x102/0x170
[ 2464.065485][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2464.065485][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2464.065485][   T10]      netlink_rcv_skb+0x130/0x360
[ 2464.065485][   T10]      netlink_unicast+0x449/0x710
[ 2464.065485][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2464.065485][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2464.065485][   T10]      ___sys_sendmsg+0xee/0x170
[ 2464.065485][   T10]      __sys_sendmsg+0xcd/0x170
[ 2464.065485][   T10]      do_syscall_64+0xc6/0x1e0
[ 2464.065485][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2464.065485][   T10] 
[ 2464.067201][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2464.067461][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2464.067461][   T10]      netdev_get_by_index+0x5e/0x80
[ 2464.067461][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2464.067461][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2464.067461][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2464.067461][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2464.067461][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2464.067461][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2464.067461][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2464.067461][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2464.067461][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2464.067461][   T10]      vfs_write+0x9e5/0x10a0
[ 2464.067461][   T10]      ksys_write+0xf5/0x1e0
[ 2464.067461][   T10]      do_syscall_64+0xc6/0x1e0
[ 2464.067461][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2464.067461][   T10] 
[ 2464.069390][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2464.069390][   T10]      netdev_get_by_index+0x5e/0x80
[ 2464.069390][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2464.069390][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2464.069390][   T10]      ip6_route_add+0x1c/0x140
[ 2464.069390][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2464.069390][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2464.069390][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2464.069390][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2464.069390][   T10]      netlink_rcv_skb+0x130/0x360
[ 2464.069390][   T10]      netlink_unicast+0x449/0x710
[ 2464.069390][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2464.069390][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2464.069390][   T10]      ___sys_sendmsg+0xee/0x170
[ 2464.069390][   T10]      __sys_sendmsg+0xcd/0x170
[ 2464.069390][   T10]      do_syscall_64+0xc6/0x1e0
[ 2464.069390][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2464.069390][   T10] 
[ 2464.071430][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2464.071430][   T10]      netdev_get_by_index+0x5e/0x80
[ 2464.071430][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2464.071430][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2464.071430][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2464.071430][   T10]      ipv6_add_addr+0x411/0x2000
[ 2464.071430][   T10]      inet6_addr_add+0x30e/0xa40
[ 2464.071430][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2464.071430][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2464.071430][   T10]      netlink_rcv_skb+0x130/0x360
[ 2464.071430][   T10]      netlink_unicast+0x449/0x710
[ 2464.071430][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2464.071430][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2464.071430][   T10]      ___sys_sendmsg+0xee/0x170
[ 2464.071430][   T10]      __sys_sendmsg+0xcd/0x170
[ 2464.071430][   T10]      do_syscall_64+0xc6/0x1e0
[ 2464.071430][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2464.071430][   T10] 
[ 2464.073587][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2464.073587][   T10]      netdev_get_by_index+0x5e/0x80
[ 2464.073587][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2464.073587][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2464.073587][   T10]      ip6_route_add+0x1c/0x140
[ 2464.073587][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2464.073587][   T10]      addrconf_add_dev+0xe2/0x170
[ 2464.073587][   T10]      inet6_addr_add+0x12f/0xa40
[ 2464.073587][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2464.073587][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2464.073587][   T10]      netlink_rcv_skb+0x130/0x360
[ 2464.073587][   T10]      netlink_unicast+0x449/0x710
[ 2464.073587][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2464.073587][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2464.073587][   T10]      ___sys_sendmsg+0xee/0x170
[ 2464.073587][   T10]      __sys_sendmsg+0xcd/0x170
[ 2464.073587][   T10]      do_syscall_64+0xc6/0x1e0
[ 2464.073587][   T10] 
[ 2464.075673][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2464.075673][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2464.075673][   T10]      ipv6_find_idev+0x102/0x170
[ 2464.075673][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2464.075673][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2464.075673][   T10]      netlink_rcv_skb+0x130/0x360
[ 2464.075673][   T10]      netlink_unicast+0x449/0x710
[ 2464.075673][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2464.075673][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2464.075673][   T10]      ___sys_sendmsg+0xee/0x170
[ 2464.075673][   T10]      __sys_sendmsg+0xcd/0x170
[ 2464.075673][   T10]      do_syscall_64+0xc6/0x1e0
[ 2464.075673][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2464.075673][   T10] 
[ 2464.077305][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2464.077305][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2464.077305][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2464.077305][   T10]      ipv6_find_idev+0x102/0x170
[ 2464.077305][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2464.077305][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2464.077305][   T10]      netlink_rcv_skb+0x130/0x360
[ 2464.077305][   T10]      netlink_unicast+0x449/0x710
[ 2464.077305][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2464.077305][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2464.077305][   T10]      ___sys_sendmsg+0xee/0x170
[ 2464.077305][   T10]      __sys_sendmsg+0xcd/0x170
[ 2464.077305][   T10]      do_syscall_64+0xc6/0x1e0
[ 2464.077305][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2464.077305][   T10] 
[ 2474.263891][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2474.264620][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2474.264620][   T10]      dst_init+0x84/0x4a0
[ 2474.264620][   T10]      dst_alloc+0x97/0x150
[ 2474.264620][   T10]      ip6_dst_alloc+0x23/0x90
[ 2474.264620][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2474.264620][   T10]      ip6_pol_route+0x56f/0x840
[ 2474.264620][   T10]      fib6_rule_lookup+0x456/0x630
[ 2474.264620][   T10]      ip6_route_input+0x59c/0xa50
[ 2474.264620][   T10]      ipv6_rcv+0x397/0x810
[ 2474.264620][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2474.264620][   T10]      process_backlog+0x101/0x620
[ 2474.264620][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2474.264620][   T10]      net_rx_action+0x495/0xbe0
[ 2474.264620][   T10]      __do_softirq+0x1b5/0x7f6
[ 2474.264620][   T10] 
[ 2474.266320][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2474.266320][   T10]      netdev_get_by_index+0x5e/0x80
[ 2474.266320][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2474.266320][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2474.266320][   T10]      ip6_route_add+0x1c/0x140
[ 2474.266320][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2474.266320][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2474.266320][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2474.266320][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2474.266320][   T10]      netlink_rcv_skb+0x130/0x360
[ 2474.266320][   T10]      netlink_unicast+0x449/0x710
[ 2474.266320][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2474.266320][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2474.266320][   T10]      ___sys_sendmsg+0xee/0x170
[ 2474.266320][   T10]      __sys_sendmsg+0xcd/0x170
[ 2474.266320][   T10]      do_syscall_64+0xc6/0x1e0
[ 2474.266320][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2474.266320][   T10] 
[ 2474.268399][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2474.268399][   T10]      netdev_get_by_index+0x5e/0x80
[ 2474.268399][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2474.268399][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2474.268399][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2474.268399][   T10]      ipv6_add_addr+0x411/0x2000
[ 2474.268399][   T10]      inet6_addr_add+0x30e/0xa40
[ 2474.268399][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2474.268399][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2474.268399][   T10]      netlink_rcv_skb+0x130/0x360
[ 2474.268399][   T10]      netlink_unicast+0x449/0x710
[ 2474.268399][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2474.268399][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2474.268399][   T10]      ___sys_sendmsg+0xee/0x170
[ 2474.268399][   T10]      __sys_sendmsg+0xcd/0x170
[ 2474.268399][   T10]      do_syscall_64+0xc6/0x1e0
[ 2474.268399][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2474.268399][   T10] 
[ 2474.270421][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2474.270421][   T10]      netdev_get_by_index+0x5e/0x80
[ 2474.270421][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2474.270421][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2474.270421][   T10]      ip6_route_add+0x1c/0x140
[ 2474.270421][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2474.270421][   T10]      addrconf_add_dev+0xe2/0x170
[ 2474.270421][   T10]      inet6_addr_add+0x12f/0xa40
[ 2474.270421][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2474.270421][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2474.270421][   T10]      netlink_rcv_skb+0x130/0x360
[ 2474.270421][   T10]      netlink_unicast+0x449/0x710
[ 2474.270421][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2474.270421][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2474.270421][   T10]      ___sys_sendmsg+0xee/0x170
[ 2474.270421][   T10]      __sys_sendmsg+0xcd/0x170
[ 2474.270421][   T10]      do_syscall_64+0xc6/0x1e0
[ 2474.270421][   T10] 
[ 2474.272470][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2474.272470][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2474.272470][   T10]      ipv6_find_idev+0x102/0x170
[ 2474.272470][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2474.272470][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2474.272470][   T10]      netlink_rcv_skb+0x130/0x360
[ 2474.272470][   T10]      netlink_unicast+0x449/0x710
[ 2474.272470][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2474.272470][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2474.272470][   T10]      ___sys_sendmsg+0xee/0x170
[ 2474.272470][   T10]      __sys_sendmsg+0xcd/0x170
[ 2474.272470][   T10]      do_syscall_64+0xc6/0x1e0
[ 2474.272470][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2474.272470][   T10] 
[ 2474.274130][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2474.274130][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2474.274130][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2474.274130][   T10]      ipv6_find_idev+0x102/0x170
[ 2474.274130][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2474.274130][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2474.274130][   T10]      netlink_rcv_skb+0x130/0x360
[ 2474.274130][   T10]      netlink_unicast+0x449/0x710
[ 2474.274130][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2474.274130][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2474.274130][   T10]      ___sys_sendmsg+0xee/0x170
[ 2474.274130][   T10]      __sys_sendmsg+0xcd/0x170
[ 2474.274130][   T10]      do_syscall_64+0xc6/0x1e0
[ 2474.274130][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2474.274130][   T10] 
[ 2474.275938][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2474.276211][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2474.276211][   T10]      netdev_get_by_index+0x5e/0x80
[ 2474.276211][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2474.276211][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2474.276211][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2474.276211][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2474.276211][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2474.276211][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2474.276211][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2474.276211][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2474.276211][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2474.276211][   T10]      vfs_write+0x9e5/0x10a0
[ 2474.276211][   T10]      ksys_write+0xf5/0x1e0
[ 2474.276211][   T10]      do_syscall_64+0xc6/0x1e0
[ 2474.276211][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2474.276211][   T10] 
[ 2474.278088][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2474.278088][   T10]      netdev_get_by_index+0x5e/0x80
[ 2474.278088][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2474.278088][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2474.278088][   T10]      ip6_route_add+0x1c/0x140
[ 2474.278088][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2474.278088][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2474.278088][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2474.278088][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2474.278088][   T10]      netlink_rcv_skb+0x130/0x360
[ 2474.278088][   T10]      netlink_unicast+0x449/0x710
[ 2474.278088][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2474.278088][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2474.278088][   T10]      ___sys_sendmsg+0xee/0x170
[ 2474.278088][   T10]      __sys_sendmsg+0xcd/0x170
[ 2474.278088][   T10]      do_syscall_64+0xc6/0x1e0
[ 2474.278088][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2474.278088][   T10] 
[ 2474.280192][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2474.280192][   T10]      netdev_get_by_index+0x5e/0x80
[ 2474.280192][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2474.280192][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2474.280192][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2474.280192][   T10]      ipv6_add_addr+0x411/0x2000
[ 2474.280192][   T10]      inet6_addr_add+0x30e/0xa40
[ 2474.280192][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2474.280192][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2474.280192][   T10]      netlink_rcv_skb+0x130/0x360
[ 2474.280192][   T10]      netlink_unicast+0x449/0x710
[ 2474.280192][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2474.280192][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2474.280192][   T10]      ___sys_sendmsg+0xee/0x170
[ 2474.280192][   T10]      __sys_sendmsg+0xcd/0x170
[ 2474.280192][   T10]      do_syscall_64+0xc6/0x1e0
[ 2474.280192][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2474.280192][   T10] 
[ 2474.282153][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2474.282153][   T10]      netdev_get_by_index+0x5e/0x80
[ 2474.282153][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2474.282153][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2474.282153][   T10]      ip6_route_add+0x1c/0x140
[ 2474.282153][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2474.282153][   T10]      addrconf_add_dev+0xe2/0x170
[ 2474.282153][   T10]      inet6_addr_add+0x12f/0xa40
[ 2474.282153][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2474.282153][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2474.282153][   T10]      netlink_rcv_skb+0x130/0x360
[ 2474.282153][   T10]      netlink_unicast+0x449/0x710
[ 2474.282153][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2474.282153][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2474.282153][   T10]      ___sys_sendmsg+0xee/0x170
[ 2474.282153][   T10]      __sys_sendmsg+0xcd/0x170
[ 2474.282153][   T10]      do_syscall_64+0xc6/0x1e0
[ 2474.282153][   T10] 
[ 2474.284247][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2474.284247][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2474.284247][   T10]      ipv6_find_idev+0x102/0x170
[ 2474.284247][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2474.284247][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2474.284247][   T10]      netlink_rcv_skb+0x130/0x360
[ 2474.284247][   T10]      netlink_unicast+0x449/0x710
[ 2474.284247][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2474.284247][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2474.284247][   T10]      ___sys_sendmsg+0xee/0x170
[ 2474.284247][   T10]      __sys_sendmsg+0xcd/0x170
[ 2474.284247][   T10]      do_syscall_64+0xc6/0x1e0
[ 2474.284247][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2474.284247][   T10] 
[ 2474.285833][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2474.285833][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2474.285833][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2474.285833][   T10]      ipv6_find_idev+0x102/0x170
[ 2474.285833][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2474.285833][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2474.285833][   T10]      netlink_rcv_skb+0x130/0x360
[ 2474.285833][   T10]      netlink_unicast+0x449/0x710
[ 2474.285833][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2474.285833][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2474.285833][   T10]      ___sys_sendmsg+0xee/0x170
[ 2474.285833][   T10]      __sys_sendmsg+0xcd/0x170
[ 2474.285833][   T10]      do_syscall_64+0xc6/0x1e0
[ 2474.285833][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2474.285833][   T10] 
[ 2484.416875][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2484.417490][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2484.417490][   T10]      dst_init+0x84/0x4a0
[ 2484.417490][   T10]      dst_alloc+0x97/0x150
[ 2484.417490][   T10]      ip6_dst_alloc+0x23/0x90
[ 2484.417490][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2484.417490][   T10]      ip6_pol_route+0x56f/0x840
[ 2484.417490][   T10]      fib6_rule_lookup+0x456/0x630
[ 2484.417490][   T10]      ip6_route_input+0x59c/0xa50
[ 2484.417490][   T10]      ipv6_rcv+0x397/0x810
[ 2484.417490][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2484.417490][   T10]      process_backlog+0x101/0x620
[ 2484.417490][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2484.417490][   T10]      net_rx_action+0x495/0xbe0
[ 2484.417490][   T10]      __do_softirq+0x1b5/0x7f6
[ 2484.417490][   T10] 
[ 2484.419287][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2484.419287][   T10]      netdev_get_by_index+0x5e/0x80
[ 2484.419287][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2484.419287][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2484.419287][   T10]      ip6_route_add+0x1c/0x140
[ 2484.419287][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2484.419287][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2484.419287][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2484.419287][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2484.419287][   T10]      netlink_rcv_skb+0x130/0x360
[ 2484.419287][   T10]      netlink_unicast+0x449/0x710
[ 2484.419287][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2484.419287][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2484.419287][   T10]      ___sys_sendmsg+0xee/0x170
[ 2484.419287][   T10]      __sys_sendmsg+0xcd/0x170
[ 2484.419287][   T10]      do_syscall_64+0xc6/0x1e0
[ 2484.419287][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2484.419287][   T10] 
[ 2484.421381][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2484.421381][   T10]      netdev_get_by_index+0x5e/0x80
[ 2484.421381][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2484.421381][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2484.421381][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2484.421381][   T10]      ipv6_add_addr+0x411/0x2000
[ 2484.421381][   T10]      inet6_addr_add+0x30e/0xa40
[ 2484.421381][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2484.421381][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2484.421381][   T10]      netlink_rcv_skb+0x130/0x360
[ 2484.421381][   T10]      netlink_unicast+0x449/0x710
[ 2484.421381][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2484.421381][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2484.421381][   T10]      ___sys_sendmsg+0xee/0x170
[ 2484.421381][   T10]      __sys_sendmsg+0xcd/0x170
[ 2484.421381][   T10]      do_syscall_64+0xc6/0x1e0
[ 2484.421381][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2484.421381][   T10] 
[ 2484.423526][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2484.423526][   T10]      netdev_get_by_index+0x5e/0x80
[ 2484.423526][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2484.423526][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2484.423526][   T10]      ip6_route_add+0x1c/0x140
[ 2484.423526][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2484.423526][   T10]      addrconf_add_dev+0xe2/0x170
[ 2484.423526][   T10]      inet6_addr_add+0x12f/0xa40
[ 2484.423526][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2484.423526][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2484.423526][   T10]      netlink_rcv_skb+0x130/0x360
[ 2484.423526][   T10]      netlink_unicast+0x449/0x710
[ 2484.423526][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2484.423526][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2484.423526][   T10]      ___sys_sendmsg+0xee/0x170
[ 2484.423526][   T10]      __sys_sendmsg+0xcd/0x170
[ 2484.423526][   T10]      do_syscall_64+0xc6/0x1e0
[ 2484.423526][   T10] 
[ 2484.425670][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2484.425670][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2484.425670][   T10]      ipv6_find_idev+0x102/0x170
[ 2484.425670][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2484.425670][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2484.425670][   T10]      netlink_rcv_skb+0x130/0x360
[ 2484.425670][   T10]      netlink_unicast+0x449/0x710
[ 2484.425670][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2484.425670][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2484.425670][   T10]      ___sys_sendmsg+0xee/0x170
[ 2484.425670][   T10]      __sys_sendmsg+0xcd/0x170
[ 2484.425670][   T10]      do_syscall_64+0xc6/0x1e0
[ 2484.425670][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2484.425670][   T10] 
[ 2484.427310][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2484.427310][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2484.427310][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2484.427310][   T10]      ipv6_find_idev+0x102/0x170
[ 2484.427310][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2484.427310][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2484.427310][   T10]      netlink_rcv_skb+0x130/0x360
[ 2484.427310][   T10]      netlink_unicast+0x449/0x710
[ 2484.427310][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2484.427310][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2484.427310][   T10]      ___sys_sendmsg+0xee/0x170
[ 2484.427310][   T10]      __sys_sendmsg+0xcd/0x170
[ 2484.427310][   T10]      do_syscall_64+0xc6/0x1e0
[ 2484.427310][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2484.427310][   T10] 
[ 2484.429177][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2484.429450][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2484.429450][   T10]      netdev_get_by_index+0x5e/0x80
[ 2484.429450][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2484.429450][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2484.429450][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2484.429450][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2484.429450][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2484.429450][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2484.429450][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2484.429450][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2484.429450][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2484.429450][   T10]      vfs_write+0x9e5/0x10a0
[ 2484.429450][   T10]      ksys_write+0xf5/0x1e0
[ 2484.429450][   T10]      do_syscall_64+0xc6/0x1e0
[ 2484.429450][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2484.429450][   T10] 
[ 2484.431404][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2484.431404][   T10]      netdev_get_by_index+0x5e/0x80
[ 2484.431404][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2484.431404][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2484.431404][   T10]      ip6_route_add+0x1c/0x140
[ 2484.431404][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2484.431404][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2484.431404][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2484.431404][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2484.431404][   T10]      netlink_rcv_skb+0x130/0x360
[ 2484.431404][   T10]      netlink_unicast+0x449/0x710
[ 2484.431404][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2484.431404][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2484.431404][   T10]      ___sys_sendmsg+0xee/0x170
[ 2484.431404][   T10]      __sys_sendmsg+0xcd/0x170
[ 2484.431404][   T10]      do_syscall_64+0xc6/0x1e0
[ 2484.431404][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2484.431404][   T10] 
[ 2484.433561][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2484.433561][   T10]      netdev_get_by_index+0x5e/0x80
[ 2484.433561][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2484.433561][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2484.433561][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2484.433561][   T10]      ipv6_add_addr+0x411/0x2000
[ 2484.433561][   T10]      inet6_addr_add+0x30e/0xa40
[ 2484.433561][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2484.433561][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2484.433561][   T10]      netlink_rcv_skb+0x130/0x360
[ 2484.433561][   T10]      netlink_unicast+0x449/0x710
[ 2484.433561][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2484.433561][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2484.433561][   T10]      ___sys_sendmsg+0xee/0x170
[ 2484.433561][   T10]      __sys_sendmsg+0xcd/0x170
[ 2484.433561][   T10]      do_syscall_64+0xc6/0x1e0
[ 2484.433561][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2484.433561][   T10] 
[ 2484.435702][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2484.435702][   T10]      netdev_get_by_index+0x5e/0x80
[ 2484.435702][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2484.435702][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2484.435702][   T10]      ip6_route_add+0x1c/0x140
[ 2484.435702][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2484.435702][   T10]      addrconf_add_dev+0xe2/0x170
[ 2484.435702][   T10]      inet6_addr_add+0x12f/0xa40
[ 2484.435702][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2484.435702][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2484.435702][   T10]      netlink_rcv_skb+0x130/0x360
[ 2484.435702][   T10]      netlink_unicast+0x449/0x710
[ 2484.435702][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2484.435702][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2484.435702][   T10]      ___sys_sendmsg+0xee/0x170
[ 2484.435702][   T10]      __sys_sendmsg+0xcd/0x170
[ 2484.435702][   T10]      do_syscall_64+0xc6/0x1e0
[ 2484.435702][   T10] 
[ 2484.437783][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2484.437783][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2484.437783][   T10]      ipv6_find_idev+0x102/0x170
[ 2484.437783][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2484.437783][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2484.437783][   T10]      netlink_rcv_skb+0x130/0x360
[ 2484.437783][   T10]      netlink_unicast+0x449/0x710
[ 2484.437783][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2484.437783][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2484.437783][   T10]      ___sys_sendmsg+0xee/0x170
[ 2484.437783][   T10]      __sys_sendmsg+0xcd/0x170
[ 2484.437783][   T10]      do_syscall_64+0xc6/0x1e0
[ 2484.437783][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2484.437783][   T10] 
[ 2484.439428][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2484.439428][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2484.439428][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2484.439428][   T10]      ipv6_find_idev+0x102/0x170
[ 2484.439428][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2484.439428][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2484.439428][   T10]      netlink_rcv_skb+0x130/0x360
[ 2484.439428][   T10]      netlink_unicast+0x449/0x710
[ 2484.439428][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2484.439428][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2484.439428][   T10]      ___sys_sendmsg+0xee/0x170
[ 2484.439428][   T10]      __sys_sendmsg+0xcd/0x170
[ 2484.439428][   T10]      do_syscall_64+0xc6/0x1e0
[ 2484.439428][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2484.439428][   T10] 
[ 2494.839981][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2494.840566][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2494.840566][   T10]      dst_init+0x84/0x4a0
[ 2494.840566][   T10]      dst_alloc+0x97/0x150
[ 2494.840566][   T10]      ip6_dst_alloc+0x23/0x90
[ 2494.840566][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2494.840566][   T10]      ip6_pol_route+0x56f/0x840
[ 2494.840566][   T10]      fib6_rule_lookup+0x456/0x630
[ 2494.840566][   T10]      ip6_route_input+0x59c/0xa50
[ 2494.840566][   T10]      ipv6_rcv+0x397/0x810
[ 2494.840566][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2494.840566][   T10]      process_backlog+0x101/0x620
[ 2494.840566][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2494.840566][   T10]      net_rx_action+0x495/0xbe0
[ 2494.840566][   T10]      __do_softirq+0x1b5/0x7f6
[ 2494.840566][   T10] 
[ 2494.842207][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2494.842207][   T10]      netdev_get_by_index+0x5e/0x80
[ 2494.842207][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2494.842207][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2494.842207][   T10]      ip6_route_add+0x1c/0x140
[ 2494.842207][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2494.842207][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2494.842207][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2494.842207][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2494.842207][   T10]      netlink_rcv_skb+0x130/0x360
[ 2494.842207][   T10]      netlink_unicast+0x449/0x710
[ 2494.842207][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2494.842207][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2494.842207][   T10]      ___sys_sendmsg+0xee/0x170
[ 2494.842207][   T10]      __sys_sendmsg+0xcd/0x170
[ 2494.842207][   T10]      do_syscall_64+0xc6/0x1e0
[ 2494.842207][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2494.842207][   T10] 
[ 2494.844326][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2494.844326][   T10]      netdev_get_by_index+0x5e/0x80
[ 2494.844326][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2494.844326][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2494.844326][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2494.844326][   T10]      ipv6_add_addr+0x411/0x2000
[ 2494.844326][   T10]      inet6_addr_add+0x30e/0xa40
[ 2494.844326][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2494.844326][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2494.844326][   T10]      netlink_rcv_skb+0x130/0x360
[ 2494.844326][   T10]      netlink_unicast+0x449/0x710
[ 2494.844326][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2494.844326][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2494.844326][   T10]      ___sys_sendmsg+0xee/0x170
[ 2494.844326][   T10]      __sys_sendmsg+0xcd/0x170
[ 2494.844326][   T10]      do_syscall_64+0xc6/0x1e0
[ 2494.844326][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2494.844326][   T10] 
[ 2494.846310][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2494.846310][   T10]      netdev_get_by_index+0x5e/0x80
[ 2494.846310][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2494.846310][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2494.846310][   T10]      ip6_route_add+0x1c/0x140
[ 2494.846310][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2494.846310][   T10]      addrconf_add_dev+0xe2/0x170
[ 2494.846310][   T10]      inet6_addr_add+0x12f/0xa40
[ 2494.846310][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2494.846310][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2494.846310][   T10]      netlink_rcv_skb+0x130/0x360
[ 2494.846310][   T10]      netlink_unicast+0x449/0x710
[ 2494.846310][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2494.846310][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2494.846310][   T10]      ___sys_sendmsg+0xee/0x170
[ 2494.846310][   T10]      __sys_sendmsg+0xcd/0x170
[ 2494.846310][   T10]      do_syscall_64+0xc6/0x1e0
[ 2494.846310][   T10] 
[ 2494.848331][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2494.848331][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2494.848331][   T10]      ipv6_find_idev+0x102/0x170
[ 2494.848331][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2494.848331][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2494.848331][   T10]      netlink_rcv_skb+0x130/0x360
[ 2494.848331][   T10]      netlink_unicast+0x449/0x710
[ 2494.848331][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2494.848331][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2494.848331][   T10]      ___sys_sendmsg+0xee/0x170
[ 2494.848331][   T10]      __sys_sendmsg+0xcd/0x170
[ 2494.848331][   T10]      do_syscall_64+0xc6/0x1e0
[ 2494.848331][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2494.848331][   T10] 
[ 2494.849854][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2494.849854][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2494.849854][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2494.849854][   T10]      ipv6_find_idev+0x102/0x170
[ 2494.849854][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2494.849854][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2494.849854][   T10]      netlink_rcv_skb+0x130/0x360
[ 2494.849854][   T10]      netlink_unicast+0x449/0x710
[ 2494.849854][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2494.849854][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2494.849854][   T10]      ___sys_sendmsg+0xee/0x170
[ 2494.849854][   T10]      __sys_sendmsg+0xcd/0x170
[ 2494.849854][   T10]      do_syscall_64+0xc6/0x1e0
[ 2494.849854][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2494.849854][   T10] 
[ 2494.851593][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2494.851868][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2494.851868][   T10]      netdev_get_by_index+0x5e/0x80
[ 2494.851868][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2494.851868][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2494.851868][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2494.851868][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2494.851868][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2494.851868][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2494.851868][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2494.851868][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2494.851868][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2494.851868][   T10]      vfs_write+0x9e5/0x10a0
[ 2494.851868][   T10]      ksys_write+0xf5/0x1e0
[ 2494.851868][   T10]      do_syscall_64+0xc6/0x1e0
[ 2494.851868][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2494.851868][   T10] 
[ 2494.853816][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2494.853816][   T10]      netdev_get_by_index+0x5e/0x80
[ 2494.853816][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2494.853816][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2494.853816][   T10]      ip6_route_add+0x1c/0x140
[ 2494.853816][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2494.853816][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2494.853816][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2494.853816][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2494.853816][   T10]      netlink_rcv_skb+0x130/0x360
[ 2494.853816][   T10]      netlink_unicast+0x449/0x710
[ 2494.853816][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2494.853816][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2494.853816][   T10]      ___sys_sendmsg+0xee/0x170
[ 2494.853816][   T10]      __sys_sendmsg+0xcd/0x170
[ 2494.853816][   T10]      do_syscall_64+0xc6/0x1e0
[ 2494.853816][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2494.853816][   T10] 
[ 2494.855914][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2494.855914][   T10]      netdev_get_by_index+0x5e/0x80
[ 2494.855914][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2494.855914][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2494.855914][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2494.855914][   T10]      ipv6_add_addr+0x411/0x2000
[ 2494.855914][   T10]      inet6_addr_add+0x30e/0xa40
[ 2494.855914][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2494.855914][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2494.855914][   T10]      netlink_rcv_skb+0x130/0x360
[ 2494.855914][   T10]      netlink_unicast+0x449/0x710
[ 2494.855914][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2494.855914][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2494.855914][   T10]      ___sys_sendmsg+0xee/0x170
[ 2494.855914][   T10]      __sys_sendmsg+0xcd/0x170
[ 2494.855914][   T10]      do_syscall_64+0xc6/0x1e0
[ 2494.855914][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2494.855914][   T10] 
[ 2494.857909][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2494.857909][   T10]      netdev_get_by_index+0x5e/0x80
[ 2494.857909][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2494.857909][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2494.857909][   T10]      ip6_route_add+0x1c/0x140
[ 2494.857909][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2494.857909][   T10]      addrconf_add_dev+0xe2/0x170
[ 2494.857909][   T10]      inet6_addr_add+0x12f/0xa40
[ 2494.857909][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2494.857909][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2494.857909][   T10]      netlink_rcv_skb+0x130/0x360
[ 2494.857909][   T10]      netlink_unicast+0x449/0x710
[ 2494.857909][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2494.857909][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2494.857909][   T10]      ___sys_sendmsg+0xee/0x170
[ 2494.857909][   T10]      __sys_sendmsg+0xcd/0x170
[ 2494.857909][   T10]      do_syscall_64+0xc6/0x1e0
[ 2494.857909][   T10] 
[ 2494.859850][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2494.859850][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2494.859850][   T10]      ipv6_find_idev+0x102/0x170
[ 2494.859850][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2494.859850][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2494.859850][   T10]      netlink_rcv_skb+0x130/0x360
[ 2494.859850][   T10]      netlink_unicast+0x449/0x710
[ 2494.859850][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2494.859850][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2494.859850][   T10]      ___sys_sendmsg+0xee/0x170
[ 2494.859850][   T10]      __sys_sendmsg+0xcd/0x170
[ 2494.859850][   T10]      do_syscall_64+0xc6/0x1e0
[ 2494.859850][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2494.859850][   T10] 
[ 2494.861419][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2494.861419][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2494.861419][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2494.861419][   T10]      ipv6_find_idev+0x102/0x170
[ 2494.861419][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2494.861419][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2494.861419][   T10]      netlink_rcv_skb+0x130/0x360
[ 2494.861419][   T10]      netlink_unicast+0x449/0x710
[ 2494.861419][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2494.861419][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2494.861419][   T10]      ___sys_sendmsg+0xee/0x170
[ 2494.861419][   T10]      __sys_sendmsg+0xcd/0x170
[ 2494.861419][   T10]      do_syscall_64+0xc6/0x1e0
[ 2494.861419][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2494.861419][   T10] 
[ 2505.023878][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2505.024612][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2505.024612][   T10]      dst_init+0x84/0x4a0
[ 2505.024612][   T10]      dst_alloc+0x97/0x150
[ 2505.024612][   T10]      ip6_dst_alloc+0x23/0x90
[ 2505.024612][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2505.024612][   T10]      ip6_pol_route+0x56f/0x840
[ 2505.024612][   T10]      fib6_rule_lookup+0x456/0x630
[ 2505.024612][   T10]      ip6_route_input+0x59c/0xa50
[ 2505.024612][   T10]      ipv6_rcv+0x397/0x810
[ 2505.024612][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2505.024612][   T10]      process_backlog+0x101/0x620
[ 2505.024612][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2505.024612][   T10]      net_rx_action+0x495/0xbe0
[ 2505.024612][   T10]      __do_softirq+0x1b5/0x7f6
[ 2505.024612][   T10] 
[ 2505.026217][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2505.026217][   T10]      netdev_get_by_index+0x5e/0x80
[ 2505.026217][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2505.026217][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2505.026217][   T10]      ip6_route_add+0x1c/0x140
[ 2505.026217][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2505.026217][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2505.026217][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2505.026217][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2505.026217][   T10]      netlink_rcv_skb+0x130/0x360
[ 2505.026217][   T10]      netlink_unicast+0x449/0x710
[ 2505.026217][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2505.026217][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2505.026217][   T10]      ___sys_sendmsg+0xee/0x170
[ 2505.026217][   T10]      __sys_sendmsg+0xcd/0x170
[ 2505.026217][   T10]      do_syscall_64+0xc6/0x1e0
[ 2505.026217][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2505.026217][   T10] 
[ 2505.028240][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2505.028240][   T10]      netdev_get_by_index+0x5e/0x80
[ 2505.028240][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2505.028240][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2505.028240][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2505.028240][   T10]      ipv6_add_addr+0x411/0x2000
[ 2505.028240][   T10]      inet6_addr_add+0x30e/0xa40
[ 2505.028240][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2505.028240][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2505.028240][   T10]      netlink_rcv_skb+0x130/0x360
[ 2505.028240][   T10]      netlink_unicast+0x449/0x710
[ 2505.028240][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2505.028240][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2505.028240][   T10]      ___sys_sendmsg+0xee/0x170
[ 2505.028240][   T10]      __sys_sendmsg+0xcd/0x170
[ 2505.028240][   T10]      do_syscall_64+0xc6/0x1e0
[ 2505.028240][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2505.028240][   T10] 
[ 2505.030208][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2505.030208][   T10]      netdev_get_by_index+0x5e/0x80
[ 2505.030208][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2505.030208][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2505.030208][   T10]      ip6_route_add+0x1c/0x140
[ 2505.030208][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2505.030208][   T10]      addrconf_add_dev+0xe2/0x170
[ 2505.030208][   T10]      inet6_addr_add+0x12f/0xa40
[ 2505.030208][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2505.030208][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2505.030208][   T10]      netlink_rcv_skb+0x130/0x360
[ 2505.030208][   T10]      netlink_unicast+0x449/0x710
[ 2505.030208][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2505.030208][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2505.030208][   T10]      ___sys_sendmsg+0xee/0x170
[ 2505.030208][   T10]      __sys_sendmsg+0xcd/0x170
[ 2505.030208][   T10]      do_syscall_64+0xc6/0x1e0
[ 2505.030208][   T10] 
[ 2505.032200][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2505.032200][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2505.032200][   T10]      ipv6_find_idev+0x102/0x170
[ 2505.032200][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2505.032200][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2505.032200][   T10]      netlink_rcv_skb+0x130/0x360
[ 2505.032200][   T10]      netlink_unicast+0x449/0x710
[ 2505.032200][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2505.032200][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2505.032200][   T10]      ___sys_sendmsg+0xee/0x170
[ 2505.032200][   T10]      __sys_sendmsg+0xcd/0x170
[ 2505.032200][   T10]      do_syscall_64+0xc6/0x1e0
[ 2505.032200][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2505.032200][   T10] 
[ 2505.033904][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2505.033904][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2505.033904][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2505.033904][   T10]      ipv6_find_idev+0x102/0x170
[ 2505.033904][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2505.033904][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2505.033904][   T10]      netlink_rcv_skb+0x130/0x360
[ 2505.033904][   T10]      netlink_unicast+0x449/0x710
[ 2505.033904][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2505.033904][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2505.033904][   T10]      ___sys_sendmsg+0xee/0x170
[ 2505.033904][   T10]      __sys_sendmsg+0xcd/0x170
[ 2505.033904][   T10]      do_syscall_64+0xc6/0x1e0
[ 2505.033904][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2505.033904][   T10] 
[ 2505.035706][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2505.035974][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2505.035974][   T10]      netdev_get_by_index+0x5e/0x80
[ 2505.035974][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2505.035974][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2505.035974][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2505.035974][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2505.035974][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2505.035974][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2505.035974][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2505.035974][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2505.035974][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2505.035974][   T10]      vfs_write+0x9e5/0x10a0
[ 2505.035974][   T10]      ksys_write+0xf5/0x1e0
[ 2505.035974][   T10]      do_syscall_64+0xc6/0x1e0
[ 2505.035974][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2505.035974][   T10] 
[ 2505.037903][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2505.037903][   T10]      netdev_get_by_index+0x5e/0x80
[ 2505.037903][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2505.037903][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2505.037903][   T10]      ip6_route_add+0x1c/0x140
[ 2505.037903][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2505.037903][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2505.037903][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2505.037903][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2505.037903][   T10]      netlink_rcv_skb+0x130/0x360
[ 2505.037903][   T10]      netlink_unicast+0x449/0x710
[ 2505.037903][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2505.037903][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2505.037903][   T10]      ___sys_sendmsg+0xee/0x170
[ 2505.037903][   T10]      __sys_sendmsg+0xcd/0x170
[ 2505.037903][   T10]      do_syscall_64+0xc6/0x1e0
[ 2505.037903][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2505.037903][   T10] 
[ 2505.040002][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2505.040002][   T10]      netdev_get_by_index+0x5e/0x80
[ 2505.040002][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2505.040002][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2505.040002][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2505.040002][   T10]      ipv6_add_addr+0x411/0x2000
[ 2505.040002][   T10]      inet6_addr_add+0x30e/0xa40
[ 2505.040002][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2505.040002][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2505.040002][   T10]      netlink_rcv_skb+0x130/0x360
[ 2505.040002][   T10]      netlink_unicast+0x449/0x710
[ 2505.040002][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2505.040002][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2505.040002][   T10]      ___sys_sendmsg+0xee/0x170
[ 2505.040002][   T10]      __sys_sendmsg+0xcd/0x170
[ 2505.040002][   T10]      do_syscall_64+0xc6/0x1e0
[ 2505.040002][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2505.040002][   T10] 
[ 2505.042004][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2505.042004][   T10]      netdev_get_by_index+0x5e/0x80
[ 2505.042004][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2505.042004][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2505.042004][   T10]      ip6_route_add+0x1c/0x140
[ 2505.042004][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2505.042004][   T10]      addrconf_add_dev+0xe2/0x170
[ 2505.042004][   T10]      inet6_addr_add+0x12f/0xa40
[ 2505.042004][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2505.042004][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2505.042004][   T10]      netlink_rcv_skb+0x130/0x360
[ 2505.042004][   T10]      netlink_unicast+0x449/0x710
[ 2505.042004][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2505.042004][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2505.042004][   T10]      ___sys_sendmsg+0xee/0x170
[ 2505.042004][   T10]      __sys_sendmsg+0xcd/0x170
[ 2505.042004][   T10]      do_syscall_64+0xc6/0x1e0
[ 2505.042004][   T10] 
[ 2505.044110][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2505.044110][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2505.044110][   T10]      ipv6_find_idev+0x102/0x170
[ 2505.044110][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2505.044110][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2505.044110][   T10]      netlink_rcv_skb+0x130/0x360
[ 2505.044110][   T10]      netlink_unicast+0x449/0x710
[ 2505.044110][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2505.044110][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2505.044110][   T10]      ___sys_sendmsg+0xee/0x170
[ 2505.044110][   T10]      __sys_sendmsg+0xcd/0x170
[ 2505.044110][   T10]      do_syscall_64+0xc6/0x1e0
[ 2505.044110][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2505.044110][   T10] 
[ 2505.045713][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2505.045713][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2505.045713][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2505.045713][   T10]      ipv6_find_idev+0x102/0x170
[ 2505.045713][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2505.045713][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2505.045713][   T10]      netlink_rcv_skb+0x130/0x360
[ 2505.045713][   T10]      netlink_unicast+0x449/0x710
[ 2505.045713][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2505.045713][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2505.045713][   T10]      ___sys_sendmsg+0xee/0x170
[ 2505.045713][   T10]      __sys_sendmsg+0xcd/0x170
[ 2505.045713][   T10]      do_syscall_64+0xc6/0x1e0
[ 2505.045713][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2505.045713][   T10] 
[ 2515.287902][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2515.288432][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2515.288432][   T10]      dst_init+0x84/0x4a0
[ 2515.288432][   T10]      dst_alloc+0x97/0x150
[ 2515.288432][   T10]      ip6_dst_alloc+0x23/0x90
[ 2515.288432][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2515.288432][   T10]      ip6_pol_route+0x56f/0x840
[ 2515.288432][   T10]      fib6_rule_lookup+0x456/0x630
[ 2515.288432][   T10]      ip6_route_input+0x59c/0xa50
[ 2515.288432][   T10]      ipv6_rcv+0x397/0x810
[ 2515.288432][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2515.288432][   T10]      process_backlog+0x101/0x620
[ 2515.288432][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2515.288432][   T10]      net_rx_action+0x495/0xbe0
[ 2515.288432][   T10]      __do_softirq+0x1b5/0x7f6
[ 2515.288432][   T10] 
[ 2515.290147][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2515.290147][   T10]      netdev_get_by_index+0x5e/0x80
[ 2515.290147][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2515.290147][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2515.290147][   T10]      ip6_route_add+0x1c/0x140
[ 2515.290147][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2515.290147][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2515.290147][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2515.290147][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2515.290147][   T10]      netlink_rcv_skb+0x130/0x360
[ 2515.290147][   T10]      netlink_unicast+0x449/0x710
[ 2515.290147][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2515.290147][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2515.290147][   T10]      ___sys_sendmsg+0xee/0x170
[ 2515.290147][   T10]      __sys_sendmsg+0xcd/0x170
[ 2515.290147][   T10]      do_syscall_64+0xc6/0x1e0
[ 2515.290147][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2515.290147][   T10] 
[ 2515.292212][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2515.292212][   T10]      netdev_get_by_index+0x5e/0x80
[ 2515.292212][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2515.292212][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2515.292212][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2515.292212][   T10]      ipv6_add_addr+0x411/0x2000
[ 2515.292212][   T10]      inet6_addr_add+0x30e/0xa40
[ 2515.292212][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2515.292212][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2515.292212][   T10]      netlink_rcv_skb+0x130/0x360
[ 2515.292212][   T10]      netlink_unicast+0x449/0x710
[ 2515.292212][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2515.292212][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2515.292212][   T10]      ___sys_sendmsg+0xee/0x170
[ 2515.292212][   T10]      __sys_sendmsg+0xcd/0x170
[ 2515.292212][   T10]      do_syscall_64+0xc6/0x1e0
[ 2515.292212][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2515.292212][   T10] 
[ 2515.294359][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2515.294359][   T10]      netdev_get_by_index+0x5e/0x80
[ 2515.294359][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2515.294359][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2515.294359][   T10]      ip6_route_add+0x1c/0x140
[ 2515.294359][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2515.294359][   T10]      addrconf_add_dev+0xe2/0x170
[ 2515.294359][   T10]      inet6_addr_add+0x12f/0xa40
[ 2515.294359][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2515.294359][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2515.294359][   T10]      netlink_rcv_skb+0x130/0x360
[ 2515.294359][   T10]      netlink_unicast+0x449/0x710
[ 2515.294359][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2515.294359][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2515.294359][   T10]      ___sys_sendmsg+0xee/0x170
[ 2515.294359][   T10]      __sys_sendmsg+0xcd/0x170
[ 2515.294359][   T10]      do_syscall_64+0xc6/0x1e0
[ 2515.294359][   T10] 
[ 2515.296421][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2515.296421][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2515.296421][   T10]      ipv6_find_idev+0x102/0x170
[ 2515.296421][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2515.296421][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2515.296421][   T10]      netlink_rcv_skb+0x130/0x360
[ 2515.296421][   T10]      netlink_unicast+0x449/0x710
[ 2515.296421][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2515.296421][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2515.296421][   T10]      ___sys_sendmsg+0xee/0x170
[ 2515.296421][   T10]      __sys_sendmsg+0xcd/0x170
[ 2515.296421][   T10]      do_syscall_64+0xc6/0x1e0
[ 2515.296421][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2515.296421][   T10] 
[ 2515.298069][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2515.298069][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2515.298069][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2515.298069][   T10]      ipv6_find_idev+0x102/0x170
[ 2515.298069][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2515.298069][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2515.298069][   T10]      netlink_rcv_skb+0x130/0x360
[ 2515.298069][   T10]      netlink_unicast+0x449/0x710
[ 2515.298069][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2515.298069][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2515.298069][   T10]      ___sys_sendmsg+0xee/0x170
[ 2515.298069][   T10]      __sys_sendmsg+0xcd/0x170
[ 2515.298069][   T10]      do_syscall_64+0xc6/0x1e0
[ 2515.298069][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2515.298069][   T10] 
[ 2515.299858][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2515.300112][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2515.300112][   T10]      netdev_get_by_index+0x5e/0x80
[ 2515.300112][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2515.300112][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2515.300112][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2515.300112][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2515.300112][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2515.300112][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2515.300112][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2515.300112][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2515.300112][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2515.300112][   T10]      vfs_write+0x9e5/0x10a0
[ 2515.300112][   T10]      ksys_write+0xf5/0x1e0
[ 2515.300112][   T10]      do_syscall_64+0xc6/0x1e0
[ 2515.300112][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2515.300112][   T10] 
[ 2515.302023][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2515.302023][   T10]      netdev_get_by_index+0x5e/0x80
[ 2515.302023][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2515.302023][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2515.302023][   T10]      ip6_route_add+0x1c/0x140
[ 2515.302023][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2515.302023][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2515.302023][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2515.302023][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2515.302023][   T10]      netlink_rcv_skb+0x130/0x360
[ 2515.302023][   T10]      netlink_unicast+0x449/0x710
[ 2515.302023][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2515.302023][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2515.302023][   T10]      ___sys_sendmsg+0xee/0x170
[ 2515.302023][   T10]      __sys_sendmsg+0xcd/0x170
[ 2515.302023][   T10]      do_syscall_64+0xc6/0x1e0
[ 2515.302023][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2515.302023][   T10] 
[ 2515.304135][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2515.304135][   T10]      netdev_get_by_index+0x5e/0x80
[ 2515.304135][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2515.304135][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2515.304135][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2515.304135][   T10]      ipv6_add_addr+0x411/0x2000
[ 2515.304135][   T10]      inet6_addr_add+0x30e/0xa40
[ 2515.304135][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2515.304135][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2515.304135][   T10]      netlink_rcv_skb+0x130/0x360
[ 2515.304135][   T10]      netlink_unicast+0x449/0x710
[ 2515.304135][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2515.304135][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2515.304135][   T10]      ___sys_sendmsg+0xee/0x170
[ 2515.304135][   T10]      __sys_sendmsg+0xcd/0x170
[ 2515.304135][   T10]      do_syscall_64+0xc6/0x1e0
[ 2515.304135][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2515.304135][   T10] 
[ 2515.306190][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2515.306190][   T10]      netdev_get_by_index+0x5e/0x80
[ 2515.306190][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2515.306190][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2515.306190][   T10]      ip6_route_add+0x1c/0x140
[ 2515.306190][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2515.306190][   T10]      addrconf_add_dev+0xe2/0x170
[ 2515.306190][   T10]      inet6_addr_add+0x12f/0xa40
[ 2515.306190][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2515.306190][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2515.306190][   T10]      netlink_rcv_skb+0x130/0x360
[ 2515.306190][   T10]      netlink_unicast+0x449/0x710
[ 2515.306190][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2515.306190][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2515.306190][   T10]      ___sys_sendmsg+0xee/0x170
[ 2515.306190][   T10]      __sys_sendmsg+0xcd/0x170
[ 2515.306190][   T10]      do_syscall_64+0xc6/0x1e0
[ 2515.306190][   T10] 
[ 2515.308251][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2515.308251][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2515.308251][   T10]      ipv6_find_idev+0x102/0x170
[ 2515.308251][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2515.308251][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2515.308251][   T10]      netlink_rcv_skb+0x130/0x360
[ 2515.308251][   T10]      netlink_unicast+0x449/0x710
[ 2515.308251][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2515.308251][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2515.308251][   T10]      ___sys_sendmsg+0xee/0x170
[ 2515.308251][   T10]      __sys_sendmsg+0xcd/0x170
[ 2515.308251][   T10]      do_syscall_64+0xc6/0x1e0
[ 2515.308251][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2515.308251][   T10] 
[ 2515.309901][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2515.309901][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2515.309901][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2515.309901][   T10]      ipv6_find_idev+0x102/0x170
[ 2515.309901][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2515.309901][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2515.309901][   T10]      netlink_rcv_skb+0x130/0x360
[ 2515.309901][   T10]      netlink_unicast+0x449/0x710
[ 2515.309901][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2515.309901][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2515.309901][   T10]      ___sys_sendmsg+0xee/0x170
[ 2515.309901][   T10]      __sys_sendmsg+0xcd/0x170
[ 2515.309901][   T10]      do_syscall_64+0xc6/0x1e0
[ 2515.309901][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2515.309901][   T10] 
[ 2525.551878][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2525.552539][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2525.552539][   T10]      dst_init+0x84/0x4a0
[ 2525.552539][   T10]      dst_alloc+0x97/0x150
[ 2525.552539][   T10]      ip6_dst_alloc+0x23/0x90
[ 2525.552539][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2525.552539][   T10]      ip6_pol_route+0x56f/0x840
[ 2525.552539][   T10]      fib6_rule_lookup+0x456/0x630
[ 2525.552539][   T10]      ip6_route_input+0x59c/0xa50
[ 2525.552539][   T10]      ipv6_rcv+0x397/0x810
[ 2525.552539][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2525.552539][   T10]      process_backlog+0x101/0x620
[ 2525.552539][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2525.552539][   T10]      net_rx_action+0x495/0xbe0
[ 2525.552539][   T10]      __do_softirq+0x1b5/0x7f6
[ 2525.552539][   T10] 
[ 2525.554208][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2525.554208][   T10]      netdev_get_by_index+0x5e/0x80
[ 2525.554208][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2525.554208][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2525.554208][   T10]      ip6_route_add+0x1c/0x140
[ 2525.554208][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2525.554208][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2525.554208][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2525.554208][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2525.554208][   T10]      netlink_rcv_skb+0x130/0x360
[ 2525.554208][   T10]      netlink_unicast+0x449/0x710
[ 2525.554208][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2525.554208][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2525.554208][   T10]      ___sys_sendmsg+0xee/0x170
[ 2525.554208][   T10]      __sys_sendmsg+0xcd/0x170
[ 2525.554208][   T10]      do_syscall_64+0xc6/0x1e0
[ 2525.554208][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2525.554208][   T10] 
[ 2525.556240][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2525.556240][   T10]      netdev_get_by_index+0x5e/0x80
[ 2525.556240][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2525.556240][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2525.556240][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2525.556240][   T10]      ipv6_add_addr+0x411/0x2000
[ 2525.556240][   T10]      inet6_addr_add+0x30e/0xa40
[ 2525.556240][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2525.556240][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2525.556240][   T10]      netlink_rcv_skb+0x130/0x360
[ 2525.556240][   T10]      netlink_unicast+0x449/0x710
[ 2525.556240][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2525.556240][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2525.556240][   T10]      ___sys_sendmsg+0xee/0x170
[ 2525.556240][   T10]      __sys_sendmsg+0xcd/0x170
[ 2525.556240][   T10]      do_syscall_64+0xc6/0x1e0
[ 2525.556240][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2525.556240][   T10] 
[ 2525.558239][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2525.558239][   T10]      netdev_get_by_index+0x5e/0x80
[ 2525.558239][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2525.558239][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2525.558239][   T10]      ip6_route_add+0x1c/0x140
[ 2525.558239][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2525.558239][   T10]      addrconf_add_dev+0xe2/0x170
[ 2525.558239][   T10]      inet6_addr_add+0x12f/0xa40
[ 2525.558239][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2525.558239][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2525.558239][   T10]      netlink_rcv_skb+0x130/0x360
[ 2525.558239][   T10]      netlink_unicast+0x449/0x710
[ 2525.558239][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2525.558239][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2525.558239][   T10]      ___sys_sendmsg+0xee/0x170
[ 2525.558239][   T10]      __sys_sendmsg+0xcd/0x170
[ 2525.558239][   T10]      do_syscall_64+0xc6/0x1e0
[ 2525.558239][   T10] 
[ 2525.560185][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2525.560185][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2525.560185][   T10]      ipv6_find_idev+0x102/0x170
[ 2525.560185][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2525.560185][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2525.560185][   T10]      netlink_rcv_skb+0x130/0x360
[ 2525.560185][   T10]      netlink_unicast+0x449/0x710
[ 2525.560185][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2525.560185][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2525.560185][   T10]      ___sys_sendmsg+0xee/0x170
[ 2525.560185][   T10]      __sys_sendmsg+0xcd/0x170
[ 2525.560185][   T10]      do_syscall_64+0xc6/0x1e0
[ 2525.560185][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2525.560185][   T10] 
[ 2525.561750][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2525.561750][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2525.561750][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2525.561750][   T10]      ipv6_find_idev+0x102/0x170
[ 2525.561750][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2525.561750][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2525.561750][   T10]      netlink_rcv_skb+0x130/0x360
[ 2525.561750][   T10]      netlink_unicast+0x449/0x710
[ 2525.561750][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2525.561750][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2525.561750][   T10]      ___sys_sendmsg+0xee/0x170
[ 2525.561750][   T10]      __sys_sendmsg+0xcd/0x170
[ 2525.561750][   T10]      do_syscall_64+0xc6/0x1e0
[ 2525.561750][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2525.561750][   T10] 
[ 2525.563488][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2525.563735][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2525.563735][   T10]      netdev_get_by_index+0x5e/0x80
[ 2525.563735][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2525.563735][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2525.563735][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2525.563735][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2525.563735][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2525.563735][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2525.563735][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2525.563735][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2525.563735][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2525.563735][   T10]      vfs_write+0x9e5/0x10a0
[ 2525.563735][   T10]      ksys_write+0xf5/0x1e0
[ 2525.563735][   T10]      do_syscall_64+0xc6/0x1e0
[ 2525.563735][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2525.563735][   T10] 
[ 2525.565602][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2525.565602][   T10]      netdev_get_by_index+0x5e/0x80
[ 2525.565602][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2525.565602][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2525.565602][   T10]      ip6_route_add+0x1c/0x140
[ 2525.565602][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2525.565602][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2525.565602][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2525.565602][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2525.565602][   T10]      netlink_rcv_skb+0x130/0x360
[ 2525.565602][   T10]      netlink_unicast+0x449/0x710
[ 2525.565602][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2525.565602][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2525.565602][   T10]      ___sys_sendmsg+0xee/0x170
[ 2525.565602][   T10]      __sys_sendmsg+0xcd/0x170
[ 2525.565602][   T10]      do_syscall_64+0xc6/0x1e0
[ 2525.565602][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2525.565602][   T10] 
[ 2525.567594][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2525.567594][   T10]      netdev_get_by_index+0x5e/0x80
[ 2525.567594][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2525.567594][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2525.567594][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2525.567594][   T10]      ipv6_add_addr+0x411/0x2000
[ 2525.567594][   T10]      inet6_addr_add+0x30e/0xa40
[ 2525.567594][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2525.567594][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2525.567594][   T10]      netlink_rcv_skb+0x130/0x360
[ 2525.567594][   T10]      netlink_unicast+0x449/0x710
[ 2525.567594][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2525.567594][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2525.567594][   T10]      ___sys_sendmsg+0xee/0x170
[ 2525.567594][   T10]      __sys_sendmsg+0xcd/0x170
[ 2525.567594][   T10]      do_syscall_64+0xc6/0x1e0
[ 2525.567594][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2525.567594][   T10] 
[ 2525.569624][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2525.569624][   T10]      netdev_get_by_index+0x5e/0x80
[ 2525.569624][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2525.569624][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2525.569624][   T10]      ip6_route_add+0x1c/0x140
[ 2525.569624][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2525.569624][   T10]      addrconf_add_dev+0xe2/0x170
[ 2525.569624][   T10]      inet6_addr_add+0x12f/0xa40
[ 2525.569624][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2525.569624][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2525.569624][   T10]      netlink_rcv_skb+0x130/0x360
[ 2525.569624][   T10]      netlink_unicast+0x449/0x710
[ 2525.569624][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2525.569624][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2525.569624][   T10]      ___sys_sendmsg+0xee/0x170
[ 2525.569624][   T10]      __sys_sendmsg+0xcd/0x170
[ 2525.569624][   T10]      do_syscall_64+0xc6/0x1e0
[ 2525.569624][   T10] 
[ 2525.571599][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2525.571599][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2525.571599][   T10]      ipv6_find_idev+0x102/0x170
[ 2525.571599][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2525.571599][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2525.571599][   T10]      netlink_rcv_skb+0x130/0x360
[ 2525.571599][   T10]      netlink_unicast+0x449/0x710
[ 2525.571599][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2525.571599][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2525.571599][   T10]      ___sys_sendmsg+0xee/0x170
[ 2525.571599][   T10]      __sys_sendmsg+0xcd/0x170
[ 2525.571599][   T10]      do_syscall_64+0xc6/0x1e0
[ 2525.571599][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2525.571599][   T10] 
[ 2525.573153][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2525.573153][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2525.573153][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2525.573153][   T10]      ipv6_find_idev+0x102/0x170
[ 2525.573153][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2525.573153][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2525.573153][   T10]      netlink_rcv_skb+0x130/0x360
[ 2525.573153][   T10]      netlink_unicast+0x449/0x710
[ 2525.573153][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2525.573153][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2525.573153][   T10]      ___sys_sendmsg+0xee/0x170
[ 2525.573153][   T10]      __sys_sendmsg+0xcd/0x170
[ 2525.573153][   T10]      do_syscall_64+0xc6/0x1e0
[ 2525.573153][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2525.573153][   T10] 
[ 2535.815867][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2535.816560][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2535.816560][   T10]      dst_init+0x84/0x4a0
[ 2535.816560][   T10]      dst_alloc+0x97/0x150
[ 2535.816560][   T10]      ip6_dst_alloc+0x23/0x90
[ 2535.816560][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2535.816560][   T10]      ip6_pol_route+0x56f/0x840
[ 2535.816560][   T10]      fib6_rule_lookup+0x456/0x630
[ 2535.816560][   T10]      ip6_route_input+0x59c/0xa50
[ 2535.816560][   T10]      ipv6_rcv+0x397/0x810
[ 2535.816560][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2535.816560][   T10]      process_backlog+0x101/0x620
[ 2535.816560][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2535.816560][   T10]      net_rx_action+0x495/0xbe0
[ 2535.816560][   T10]      __do_softirq+0x1b5/0x7f6
[ 2535.816560][   T10] 
[ 2535.818230][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2535.818230][   T10]      netdev_get_by_index+0x5e/0x80
[ 2535.818230][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2535.818230][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2535.818230][   T10]      ip6_route_add+0x1c/0x140
[ 2535.818230][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2535.818230][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2535.818230][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2535.818230][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2535.818230][   T10]      netlink_rcv_skb+0x130/0x360
[ 2535.818230][   T10]      netlink_unicast+0x449/0x710
[ 2535.818230][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2535.818230][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2535.818230][   T10]      ___sys_sendmsg+0xee/0x170
[ 2535.818230][   T10]      __sys_sendmsg+0xcd/0x170
[ 2535.818230][   T10]      do_syscall_64+0xc6/0x1e0
[ 2535.818230][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2535.818230][   T10] 
[ 2535.820197][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2535.820197][   T10]      netdev_get_by_index+0x5e/0x80
[ 2535.820197][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2535.820197][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2535.820197][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2535.820197][   T10]      ipv6_add_addr+0x411/0x2000
[ 2535.820197][   T10]      inet6_addr_add+0x30e/0xa40
[ 2535.820197][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2535.820197][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2535.820197][   T10]      netlink_rcv_skb+0x130/0x360
[ 2535.820197][   T10]      netlink_unicast+0x449/0x710
[ 2535.820197][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2535.820197][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2535.820197][   T10]      ___sys_sendmsg+0xee/0x170
[ 2535.820197][   T10]      __sys_sendmsg+0xcd/0x170
[ 2535.820197][   T10]      do_syscall_64+0xc6/0x1e0
[ 2535.820197][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2535.820197][   T10] 
[ 2535.822163][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2535.822163][   T10]      netdev_get_by_index+0x5e/0x80
[ 2535.822163][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2535.822163][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2535.822163][   T10]      ip6_route_add+0x1c/0x140
[ 2535.822163][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2535.822163][   T10]      addrconf_add_dev+0xe2/0x170
[ 2535.822163][   T10]      inet6_addr_add+0x12f/0xa40
[ 2535.822163][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2535.822163][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2535.822163][   T10]      netlink_rcv_skb+0x130/0x360
[ 2535.822163][   T10]      netlink_unicast+0x449/0x710
[ 2535.822163][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2535.822163][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2535.822163][   T10]      ___sys_sendmsg+0xee/0x170
[ 2535.822163][   T10]      __sys_sendmsg+0xcd/0x170
[ 2535.822163][   T10]      do_syscall_64+0xc6/0x1e0
[ 2535.822163][   T10] 
[ 2535.824152][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2535.824152][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2535.824152][   T10]      ipv6_find_idev+0x102/0x170
[ 2535.824152][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2535.824152][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2535.824152][   T10]      netlink_rcv_skb+0x130/0x360
[ 2535.824152][   T10]      netlink_unicast+0x449/0x710
[ 2535.824152][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2535.824152][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2535.824152][   T10]      ___sys_sendmsg+0xee/0x170
[ 2535.824152][   T10]      __sys_sendmsg+0xcd/0x170
[ 2535.824152][   T10]      do_syscall_64+0xc6/0x1e0
[ 2535.824152][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2535.824152][   T10] 
[ 2535.825687][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2535.825687][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2535.825687][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2535.825687][   T10]      ipv6_find_idev+0x102/0x170
[ 2535.825687][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2535.825687][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2535.825687][   T10]      netlink_rcv_skb+0x130/0x360
[ 2535.825687][   T10]      netlink_unicast+0x449/0x710
[ 2535.825687][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2535.825687][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2535.825687][   T10]      ___sys_sendmsg+0xee/0x170
[ 2535.825687][   T10]      __sys_sendmsg+0xcd/0x170
[ 2535.825687][   T10]      do_syscall_64+0xc6/0x1e0
[ 2535.825687][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2535.825687][   T10] 
[ 2535.827339][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2535.827602][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2535.827602][   T10]      netdev_get_by_index+0x5e/0x80
[ 2535.827602][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2535.827602][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2535.827602][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2535.827602][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2535.827602][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2535.827602][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2535.827602][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2535.827602][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2535.827602][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2535.827602][   T10]      vfs_write+0x9e5/0x10a0
[ 2535.827602][   T10]      ksys_write+0xf5/0x1e0
[ 2535.827602][   T10]      do_syscall_64+0xc6/0x1e0
[ 2535.827602][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2535.827602][   T10] 
[ 2535.829424][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2535.829424][   T10]      netdev_get_by_index+0x5e/0x80
[ 2535.829424][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2535.829424][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2535.829424][   T10]      ip6_route_add+0x1c/0x140
[ 2535.829424][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2535.829424][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2535.829424][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2535.829424][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2535.829424][   T10]      netlink_rcv_skb+0x130/0x360
[ 2535.829424][   T10]      netlink_unicast+0x449/0x710
[ 2535.829424][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2535.829424][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2535.829424][   T10]      ___sys_sendmsg+0xee/0x170
[ 2535.829424][   T10]      __sys_sendmsg+0xcd/0x170
[ 2535.829424][   T10]      do_syscall_64+0xc6/0x1e0
[ 2535.829424][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2535.829424][   T10] 
[ 2535.831392][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2535.831392][   T10]      netdev_get_by_index+0x5e/0x80
[ 2535.831392][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2535.831392][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2535.831392][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2535.831392][   T10]      ipv6_add_addr+0x411/0x2000
[ 2535.831392][   T10]      inet6_addr_add+0x30e/0xa40
[ 2535.831392][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2535.831392][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2535.831392][   T10]      netlink_rcv_skb+0x130/0x360
[ 2535.831392][   T10]      netlink_unicast+0x449/0x710
[ 2535.831392][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2535.831392][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2535.831392][   T10]      ___sys_sendmsg+0xee/0x170
[ 2535.831392][   T10]      __sys_sendmsg+0xcd/0x170
[ 2535.831392][   T10]      do_syscall_64+0xc6/0x1e0
[ 2535.831392][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2535.831392][   T10] 
[ 2535.833391][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2535.833391][   T10]      netdev_get_by_index+0x5e/0x80
[ 2535.833391][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2535.833391][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2535.833391][   T10]      ip6_route_add+0x1c/0x140
[ 2535.833391][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2535.833391][   T10]      addrconf_add_dev+0xe2/0x170
[ 2535.833391][   T10]      inet6_addr_add+0x12f/0xa40
[ 2535.833391][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2535.833391][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2535.833391][   T10]      netlink_rcv_skb+0x130/0x360
[ 2535.833391][   T10]      netlink_unicast+0x449/0x710
[ 2535.833391][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2535.833391][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2535.833391][   T10]      ___sys_sendmsg+0xee/0x170
[ 2535.833391][   T10]      __sys_sendmsg+0xcd/0x170
[ 2535.833391][   T10]      do_syscall_64+0xc6/0x1e0
[ 2535.833391][   T10] 
[ 2535.835340][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2535.835340][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2535.835340][   T10]      ipv6_find_idev+0x102/0x170
[ 2535.835340][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2535.835340][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2535.835340][   T10]      netlink_rcv_skb+0x130/0x360
[ 2535.835340][   T10]      netlink_unicast+0x449/0x710
[ 2535.835340][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2535.835340][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2535.835340][   T10]      ___sys_sendmsg+0xee/0x170
[ 2535.835340][   T10]      __sys_sendmsg+0xcd/0x170
[ 2535.835340][   T10]      do_syscall_64+0xc6/0x1e0
[ 2535.835340][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2535.835340][   T10] 
[ 2535.836839][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2535.836839][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2535.836839][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2535.836839][   T10]      ipv6_find_idev+0x102/0x170
[ 2535.836839][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2535.836839][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2535.836839][   T10]      netlink_rcv_skb+0x130/0x360
[ 2535.836839][   T10]      netlink_unicast+0x449/0x710
[ 2535.836839][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2535.836839][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2535.836839][   T10]      ___sys_sendmsg+0xee/0x170
[ 2535.836839][   T10]      __sys_sendmsg+0xcd/0x170
[ 2535.836839][   T10]      do_syscall_64+0xc6/0x1e0
[ 2535.836839][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2535.836839][   T10] 
[ 2545.935877][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2545.936631][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2545.936631][   T10]      dst_init+0x84/0x4a0
[ 2545.936631][   T10]      dst_alloc+0x97/0x150
[ 2545.936631][   T10]      ip6_dst_alloc+0x23/0x90
[ 2545.936631][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2545.936631][   T10]      ip6_pol_route+0x56f/0x840
[ 2545.936631][   T10]      fib6_rule_lookup+0x456/0x630
[ 2545.936631][   T10]      ip6_route_input+0x59c/0xa50
[ 2545.936631][   T10]      ipv6_rcv+0x397/0x810
[ 2545.936631][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2545.936631][   T10]      process_backlog+0x101/0x620
[ 2545.936631][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2545.936631][   T10]      net_rx_action+0x495/0xbe0
[ 2545.936631][   T10]      __do_softirq+0x1b5/0x7f6
[ 2545.936631][   T10] 
[ 2545.938316][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2545.938316][   T10]      netdev_get_by_index+0x5e/0x80
[ 2545.938316][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2545.938316][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2545.938316][   T10]      ip6_route_add+0x1c/0x140
[ 2545.938316][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2545.938316][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2545.938316][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2545.938316][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2545.938316][   T10]      netlink_rcv_skb+0x130/0x360
[ 2545.938316][   T10]      netlink_unicast+0x449/0x710
[ 2545.938316][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2545.938316][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2545.938316][   T10]      ___sys_sendmsg+0xee/0x170
[ 2545.938316][   T10]      __sys_sendmsg+0xcd/0x170
[ 2545.938316][   T10]      do_syscall_64+0xc6/0x1e0
[ 2545.938316][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2545.938316][   T10] 
[ 2545.940343][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2545.940343][   T10]      netdev_get_by_index+0x5e/0x80
[ 2545.940343][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2545.940343][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2545.940343][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2545.940343][   T10]      ipv6_add_addr+0x411/0x2000
[ 2545.940343][   T10]      inet6_addr_add+0x30e/0xa40
[ 2545.940343][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2545.940343][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2545.940343][   T10]      netlink_rcv_skb+0x130/0x360
[ 2545.940343][   T10]      netlink_unicast+0x449/0x710
[ 2545.940343][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2545.940343][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2545.940343][   T10]      ___sys_sendmsg+0xee/0x170
[ 2545.940343][   T10]      __sys_sendmsg+0xcd/0x170
[ 2545.940343][   T10]      do_syscall_64+0xc6/0x1e0
[ 2545.940343][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2545.940343][   T10] 
[ 2545.942321][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2545.942321][   T10]      netdev_get_by_index+0x5e/0x80
[ 2545.942321][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2545.942321][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2545.942321][   T10]      ip6_route_add+0x1c/0x140
[ 2545.942321][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2545.942321][   T10]      addrconf_add_dev+0xe2/0x170
[ 2545.942321][   T10]      inet6_addr_add+0x12f/0xa40
[ 2545.942321][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2545.942321][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2545.942321][   T10]      netlink_rcv_skb+0x130/0x360
[ 2545.942321][   T10]      netlink_unicast+0x449/0x710
[ 2545.942321][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2545.942321][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2545.942321][   T10]      ___sys_sendmsg+0xee/0x170
[ 2545.942321][   T10]      __sys_sendmsg+0xcd/0x170
[ 2545.942321][   T10]      do_syscall_64+0xc6/0x1e0
[ 2545.942321][   T10] 
[ 2545.944320][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2545.944320][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2545.944320][   T10]      ipv6_find_idev+0x102/0x170
[ 2545.944320][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2545.944320][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2545.944320][   T10]      netlink_rcv_skb+0x130/0x360
[ 2545.944320][   T10]      netlink_unicast+0x449/0x710
[ 2545.944320][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2545.944320][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2545.944320][   T10]      ___sys_sendmsg+0xee/0x170
[ 2545.944320][   T10]      __sys_sendmsg+0xcd/0x170
[ 2545.944320][   T10]      do_syscall_64+0xc6/0x1e0
[ 2545.944320][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2545.944320][   T10] 
[ 2545.945874][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2545.945874][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2545.945874][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2545.945874][   T10]      ipv6_find_idev+0x102/0x170
[ 2545.945874][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2545.945874][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2545.945874][   T10]      netlink_rcv_skb+0x130/0x360
[ 2545.945874][   T10]      netlink_unicast+0x449/0x710
[ 2545.945874][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2545.945874][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2545.945874][   T10]      ___sys_sendmsg+0xee/0x170
[ 2545.945874][   T10]      __sys_sendmsg+0xcd/0x170
[ 2545.945874][   T10]      do_syscall_64+0xc6/0x1e0
[ 2545.945874][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2545.945874][   T10] 
[ 2545.947523][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2545.947782][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2545.947782][   T10]      netdev_get_by_index+0x5e/0x80
[ 2545.947782][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2545.947782][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2545.947782][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2545.947782][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2545.947782][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2545.947782][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2545.947782][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2545.947782][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2545.947782][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2545.947782][   T10]      vfs_write+0x9e5/0x10a0
[ 2545.947782][   T10]      ksys_write+0xf5/0x1e0
[ 2545.947782][   T10]      do_syscall_64+0xc6/0x1e0
[ 2545.947782][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2545.947782][   T10] 
[ 2545.949664][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2545.949664][   T10]      netdev_get_by_index+0x5e/0x80
[ 2545.949664][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2545.949664][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2545.949664][   T10]      ip6_route_add+0x1c/0x140
[ 2545.949664][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2545.949664][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2545.949664][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2545.949664][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2545.949664][   T10]      netlink_rcv_skb+0x130/0x360
[ 2545.949664][   T10]      netlink_unicast+0x449/0x710
[ 2545.949664][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2545.949664][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2545.949664][   T10]      ___sys_sendmsg+0xee/0x170
[ 2545.949664][   T10]      __sys_sendmsg+0xcd/0x170
[ 2545.949664][   T10]      do_syscall_64+0xc6/0x1e0
[ 2545.949664][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2545.949664][   T10] 
[ 2545.951704][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2545.951704][   T10]      netdev_get_by_index+0x5e/0x80
[ 2545.951704][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2545.951704][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2545.951704][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2545.951704][   T10]      ipv6_add_addr+0x411/0x2000
[ 2545.951704][   T10]      inet6_addr_add+0x30e/0xa40
[ 2545.951704][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2545.951704][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2545.951704][   T10]      netlink_rcv_skb+0x130/0x360
[ 2545.951704][   T10]      netlink_unicast+0x449/0x710
[ 2545.951704][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2545.951704][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2545.951704][   T10]      ___sys_sendmsg+0xee/0x170
[ 2545.951704][   T10]      __sys_sendmsg+0xcd/0x170
[ 2545.951704][   T10]      do_syscall_64+0xc6/0x1e0
[ 2545.951704][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2545.951704][   T10] 
[ 2545.953743][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2545.953743][   T10]      netdev_get_by_index+0x5e/0x80
[ 2545.953743][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2545.953743][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2545.953743][   T10]      ip6_route_add+0x1c/0x140
[ 2545.953743][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2545.953743][   T10]      addrconf_add_dev+0xe2/0x170
[ 2545.953743][   T10]      inet6_addr_add+0x12f/0xa40
[ 2545.953743][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2545.953743][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2545.953743][   T10]      netlink_rcv_skb+0x130/0x360
[ 2545.953743][   T10]      netlink_unicast+0x449/0x710
[ 2545.953743][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2545.953743][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2545.953743][   T10]      ___sys_sendmsg+0xee/0x170
[ 2545.953743][   T10]      __sys_sendmsg+0xcd/0x170
[ 2545.953743][   T10]      do_syscall_64+0xc6/0x1e0
[ 2545.953743][   T10] 
[ 2545.955689][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2545.955689][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2545.955689][   T10]      ipv6_find_idev+0x102/0x170
[ 2545.955689][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2545.955689][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2545.955689][   T10]      netlink_rcv_skb+0x130/0x360
[ 2545.955689][   T10]      netlink_unicast+0x449/0x710
[ 2545.955689][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2545.955689][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2545.955689][   T10]      ___sys_sendmsg+0xee/0x170
[ 2545.955689][   T10]      __sys_sendmsg+0xcd/0x170
[ 2545.955689][   T10]      do_syscall_64+0xc6/0x1e0
[ 2545.955689][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2545.955689][   T10] 
[ 2545.957206][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2545.957206][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2545.957206][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2545.957206][   T10]      ipv6_find_idev+0x102/0x170
[ 2545.957206][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2545.957206][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2545.957206][   T10]      netlink_rcv_skb+0x130/0x360
[ 2545.957206][   T10]      netlink_unicast+0x449/0x710
[ 2545.957206][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2545.957206][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2545.957206][   T10]      ___sys_sendmsg+0xee/0x170
[ 2545.957206][   T10]      __sys_sendmsg+0xcd/0x170
[ 2545.957206][   T10]      do_syscall_64+0xc6/0x1e0
[ 2545.957206][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2545.957206][   T10] 
[ 2556.207902][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2556.209007][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2556.209007][   T10]      dst_init+0x84/0x4a0
[ 2556.209007][   T10]      dst_alloc+0x97/0x150
[ 2556.209007][   T10]      ip6_dst_alloc+0x23/0x90
[ 2556.209007][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2556.209007][   T10]      ip6_pol_route+0x56f/0x840
[ 2556.209007][   T10]      fib6_rule_lookup+0x456/0x630
[ 2556.209007][   T10]      ip6_route_input+0x59c/0xa50
[ 2556.209007][   T10]      ipv6_rcv+0x397/0x810
[ 2556.209007][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2556.209007][   T10]      process_backlog+0x101/0x620
[ 2556.209007][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2556.209007][   T10]      net_rx_action+0x495/0xbe0
[ 2556.209007][   T10]      __do_softirq+0x1b5/0x7f6
[ 2556.209007][   T10] 
[ 2556.210654][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2556.210654][   T10]      netdev_get_by_index+0x5e/0x80
[ 2556.210654][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2556.210654][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2556.210654][   T10]      ip6_route_add+0x1c/0x140
[ 2556.210654][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2556.210654][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2556.210654][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2556.210654][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2556.210654][   T10]      netlink_rcv_skb+0x130/0x360
[ 2556.210654][   T10]      netlink_unicast+0x449/0x710
[ 2556.210654][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2556.210654][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2556.210654][   T10]      ___sys_sendmsg+0xee/0x170
[ 2556.210654][   T10]      __sys_sendmsg+0xcd/0x170
[ 2556.210654][   T10]      do_syscall_64+0xc6/0x1e0
[ 2556.210654][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2556.210654][   T10] 
[ 2556.212696][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2556.212696][   T10]      netdev_get_by_index+0x5e/0x80
[ 2556.212696][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2556.212696][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2556.212696][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2556.212696][   T10]      ipv6_add_addr+0x411/0x2000
[ 2556.212696][   T10]      inet6_addr_add+0x30e/0xa40
[ 2556.212696][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2556.212696][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2556.212696][   T10]      netlink_rcv_skb+0x130/0x360
[ 2556.212696][   T10]      netlink_unicast+0x449/0x710
[ 2556.212696][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2556.212696][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2556.212696][   T10]      ___sys_sendmsg+0xee/0x170
[ 2556.212696][   T10]      __sys_sendmsg+0xcd/0x170
[ 2556.212696][   T10]      do_syscall_64+0xc6/0x1e0
[ 2556.212696][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2556.212696][   T10] 
[ 2556.214712][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2556.214712][   T10]      netdev_get_by_index+0x5e/0x80
[ 2556.214712][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2556.214712][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2556.214712][   T10]      ip6_route_add+0x1c/0x140
[ 2556.214712][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2556.214712][   T10]      addrconf_add_dev+0xe2/0x170
[ 2556.214712][   T10]      inet6_addr_add+0x12f/0xa40
[ 2556.214712][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2556.214712][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2556.214712][   T10]      netlink_rcv_skb+0x130/0x360
[ 2556.214712][   T10]      netlink_unicast+0x449/0x710
[ 2556.214712][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2556.214712][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2556.214712][   T10]      ___sys_sendmsg+0xee/0x170
[ 2556.214712][   T10]      __sys_sendmsg+0xcd/0x170
[ 2556.214712][   T10]      do_syscall_64+0xc6/0x1e0
[ 2556.214712][   T10] 
[ 2556.216645][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2556.216645][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2556.216645][   T10]      ipv6_find_idev+0x102/0x170
[ 2556.216645][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2556.216645][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2556.216645][   T10]      netlink_rcv_skb+0x130/0x360
[ 2556.216645][   T10]      netlink_unicast+0x449/0x710
[ 2556.216645][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2556.216645][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2556.216645][   T10]      ___sys_sendmsg+0xee/0x170
[ 2556.216645][   T10]      __sys_sendmsg+0xcd/0x170
[ 2556.216645][   T10]      do_syscall_64+0xc6/0x1e0
[ 2556.216645][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2556.216645][   T10] 
[ 2556.218178][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2556.218178][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2556.218178][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2556.218178][   T10]      ipv6_find_idev+0x102/0x170
[ 2556.218178][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2556.218178][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2556.218178][   T10]      netlink_rcv_skb+0x130/0x360
[ 2556.218178][   T10]      netlink_unicast+0x449/0x710
[ 2556.218178][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2556.218178][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2556.218178][   T10]      ___sys_sendmsg+0xee/0x170
[ 2556.218178][   T10]      __sys_sendmsg+0xcd/0x170
[ 2556.218178][   T10]      do_syscall_64+0xc6/0x1e0
[ 2556.218178][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2556.218178][   T10] 
[ 2556.219885][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2556.220132][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2556.220132][   T10]      netdev_get_by_index+0x5e/0x80
[ 2556.220132][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2556.220132][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2556.220132][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2556.220132][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2556.220132][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2556.220132][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2556.220132][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2556.220132][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2556.220132][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2556.220132][   T10]      vfs_write+0x9e5/0x10a0
[ 2556.220132][   T10]      ksys_write+0xf5/0x1e0
[ 2556.220132][   T10]      do_syscall_64+0xc6/0x1e0
[ 2556.220132][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2556.220132][   T10] 
[ 2556.221988][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2556.221988][   T10]      netdev_get_by_index+0x5e/0x80
[ 2556.221988][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2556.221988][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2556.221988][   T10]      ip6_route_add+0x1c/0x140
[ 2556.221988][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2556.221988][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2556.221988][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2556.221988][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2556.221988][   T10]      netlink_rcv_skb+0x130/0x360
[ 2556.221988][   T10]      netlink_unicast+0x449/0x710
[ 2556.221988][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2556.221988][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2556.221988][   T10]      ___sys_sendmsg+0xee/0x170
[ 2556.221988][   T10]      __sys_sendmsg+0xcd/0x170
[ 2556.221988][   T10]      do_syscall_64+0xc6/0x1e0
[ 2556.221988][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2556.221988][   T10] 
[ 2556.224014][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2556.224014][   T10]      netdev_get_by_index+0x5e/0x80
[ 2556.224014][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2556.224014][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2556.224014][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2556.224014][   T10]      ipv6_add_addr+0x411/0x2000
[ 2556.224014][   T10]      inet6_addr_add+0x30e/0xa40
[ 2556.224014][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2556.224014][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2556.224014][   T10]      netlink_rcv_skb+0x130/0x360
[ 2556.224014][   T10]      netlink_unicast+0x449/0x710
[ 2556.224014][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2556.224014][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2556.224014][   T10]      ___sys_sendmsg+0xee/0x170
[ 2556.224014][   T10]      __sys_sendmsg+0xcd/0x170
[ 2556.224014][   T10]      do_syscall_64+0xc6/0x1e0
[ 2556.224014][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2556.224014][   T10] 
[ 2556.226049][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2556.226049][   T10]      netdev_get_by_index+0x5e/0x80
[ 2556.226049][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2556.226049][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2556.226049][   T10]      ip6_route_add+0x1c/0x140
[ 2556.226049][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2556.226049][   T10]      addrconf_add_dev+0xe2/0x170
[ 2556.226049][   T10]      inet6_addr_add+0x12f/0xa40
[ 2556.226049][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2556.226049][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2556.226049][   T10]      netlink_rcv_skb+0x130/0x360
[ 2556.226049][   T10]      netlink_unicast+0x449/0x710
[ 2556.226049][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2556.226049][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2556.226049][   T10]      ___sys_sendmsg+0xee/0x170
[ 2556.226049][   T10]      __sys_sendmsg+0xcd/0x170
[ 2556.226049][   T10]      do_syscall_64+0xc6/0x1e0
[ 2556.226049][   T10] 
[ 2556.228032][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2556.228032][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2556.228032][   T10]      ipv6_find_idev+0x102/0x170
[ 2556.228032][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2556.228032][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2556.228032][   T10]      netlink_rcv_skb+0x130/0x360
[ 2556.228032][   T10]      netlink_unicast+0x449/0x710
[ 2556.228032][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2556.228032][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2556.228032][   T10]      ___sys_sendmsg+0xee/0x170
[ 2556.228032][   T10]      __sys_sendmsg+0xcd/0x170
[ 2556.228032][   T10]      do_syscall_64+0xc6/0x1e0
[ 2556.228032][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2556.228032][   T10] 
[ 2556.229612][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2556.229612][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2556.229612][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2556.229612][   T10]      ipv6_find_idev+0x102/0x170
[ 2556.229612][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2556.229612][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2556.229612][   T10]      netlink_rcv_skb+0x130/0x360
[ 2556.229612][   T10]      netlink_unicast+0x449/0x710
[ 2556.229612][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2556.229612][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2556.229612][   T10]      ___sys_sendmsg+0xee/0x170
[ 2556.229612][   T10]      __sys_sendmsg+0xcd/0x170
[ 2556.229612][   T10]      do_syscall_64+0xc6/0x1e0
[ 2556.229612][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2556.229612][   T10] 
[ 2566.479872][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2566.480584][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2566.480584][   T10]      dst_init+0x84/0x4a0
[ 2566.480584][   T10]      dst_alloc+0x97/0x150
[ 2566.480584][   T10]      ip6_dst_alloc+0x23/0x90
[ 2566.480584][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2566.480584][   T10]      ip6_pol_route+0x56f/0x840
[ 2566.480584][   T10]      fib6_rule_lookup+0x456/0x630
[ 2566.480584][   T10]      ip6_route_input+0x59c/0xa50
[ 2566.480584][   T10]      ipv6_rcv+0x397/0x810
[ 2566.480584][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2566.480584][   T10]      process_backlog+0x101/0x620
[ 2566.480584][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2566.480584][   T10]      net_rx_action+0x495/0xbe0
[ 2566.480584][   T10]      __do_softirq+0x1b5/0x7f6
[ 2566.480584][   T10] 
[ 2566.482233][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2566.482233][   T10]      netdev_get_by_index+0x5e/0x80
[ 2566.482233][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2566.482233][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2566.482233][   T10]      ip6_route_add+0x1c/0x140
[ 2566.482233][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2566.482233][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2566.482233][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2566.482233][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2566.482233][   T10]      netlink_rcv_skb+0x130/0x360
[ 2566.482233][   T10]      netlink_unicast+0x449/0x710
[ 2566.482233][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2566.482233][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2566.482233][   T10]      ___sys_sendmsg+0xee/0x170
[ 2566.482233][   T10]      __sys_sendmsg+0xcd/0x170
[ 2566.482233][   T10]      do_syscall_64+0xc6/0x1e0
[ 2566.482233][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2566.482233][   T10] 
[ 2566.484286][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2566.484286][   T10]      netdev_get_by_index+0x5e/0x80
[ 2566.484286][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2566.484286][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2566.484286][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2566.484286][   T10]      ipv6_add_addr+0x411/0x2000
[ 2566.484286][   T10]      inet6_addr_add+0x30e/0xa40
[ 2566.484286][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2566.484286][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2566.484286][   T10]      netlink_rcv_skb+0x130/0x360
[ 2566.484286][   T10]      netlink_unicast+0x449/0x710
[ 2566.484286][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2566.484286][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2566.484286][   T10]      ___sys_sendmsg+0xee/0x170
[ 2566.484286][   T10]      __sys_sendmsg+0xcd/0x170
[ 2566.484286][   T10]      do_syscall_64+0xc6/0x1e0
[ 2566.484286][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2566.484286][   T10] 
[ 2566.486265][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2566.486265][   T10]      netdev_get_by_index+0x5e/0x80
[ 2566.486265][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2566.486265][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2566.486265][   T10]      ip6_route_add+0x1c/0x140
[ 2566.486265][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2566.486265][   T10]      addrconf_add_dev+0xe2/0x170
[ 2566.486265][   T10]      inet6_addr_add+0x12f/0xa40
[ 2566.486265][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2566.486265][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2566.486265][   T10]      netlink_rcv_skb+0x130/0x360
[ 2566.486265][   T10]      netlink_unicast+0x449/0x710
[ 2566.486265][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2566.486265][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2566.486265][   T10]      ___sys_sendmsg+0xee/0x170
[ 2566.486265][   T10]      __sys_sendmsg+0xcd/0x170
[ 2566.486265][   T10]      do_syscall_64+0xc6/0x1e0
[ 2566.486265][   T10] 
[ 2566.488247][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2566.488247][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2566.488247][   T10]      ipv6_find_idev+0x102/0x170
[ 2566.488247][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2566.488247][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2566.488247][   T10]      netlink_rcv_skb+0x130/0x360
[ 2566.488247][   T10]      netlink_unicast+0x449/0x710
[ 2566.488247][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2566.488247][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2566.488247][   T10]      ___sys_sendmsg+0xee/0x170
[ 2566.488247][   T10]      __sys_sendmsg+0xcd/0x170
[ 2566.488247][   T10]      do_syscall_64+0xc6/0x1e0
[ 2566.488247][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2566.488247][   T10] 
[ 2566.489806][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2566.489806][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2566.489806][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2566.489806][   T10]      ipv6_find_idev+0x102/0x170
[ 2566.489806][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2566.489806][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2566.489806][   T10]      netlink_rcv_skb+0x130/0x360
[ 2566.489806][   T10]      netlink_unicast+0x449/0x710
[ 2566.489806][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2566.489806][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2566.489806][   T10]      ___sys_sendmsg+0xee/0x170
[ 2566.489806][   T10]      __sys_sendmsg+0xcd/0x170
[ 2566.489806][   T10]      do_syscall_64+0xc6/0x1e0
[ 2566.489806][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2566.489806][   T10] 
[ 2566.491517][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2566.491780][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2566.491780][   T10]      netdev_get_by_index+0x5e/0x80
[ 2566.491780][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2566.491780][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2566.491780][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2566.491780][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2566.491780][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2566.491780][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2566.491780][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2566.491780][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2566.491780][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2566.491780][   T10]      vfs_write+0x9e5/0x10a0
[ 2566.491780][   T10]      ksys_write+0xf5/0x1e0
[ 2566.491780][   T10]      do_syscall_64+0xc6/0x1e0
[ 2566.491780][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2566.491780][   T10] 
[ 2566.493646][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2566.493646][   T10]      netdev_get_by_index+0x5e/0x80
[ 2566.493646][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2566.493646][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2566.493646][   T10]      ip6_route_add+0x1c/0x140
[ 2566.493646][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2566.493646][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2566.493646][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2566.493646][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2566.493646][   T10]      netlink_rcv_skb+0x130/0x360
[ 2566.493646][   T10]      netlink_unicast+0x449/0x710
[ 2566.493646][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2566.493646][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2566.493646][   T10]      ___sys_sendmsg+0xee/0x170
[ 2566.493646][   T10]      __sys_sendmsg+0xcd/0x170
[ 2566.493646][   T10]      do_syscall_64+0xc6/0x1e0
[ 2566.493646][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2566.493646][   T10] 
[ 2566.495654][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2566.495654][   T10]      netdev_get_by_index+0x5e/0x80
[ 2566.495654][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2566.495654][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2566.495654][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2566.495654][   T10]      ipv6_add_addr+0x411/0x2000
[ 2566.495654][   T10]      inet6_addr_add+0x30e/0xa40
[ 2566.495654][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2566.495654][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2566.495654][   T10]      netlink_rcv_skb+0x130/0x360
[ 2566.495654][   T10]      netlink_unicast+0x449/0x710
[ 2566.495654][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2566.495654][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2566.495654][   T10]      ___sys_sendmsg+0xee/0x170
[ 2566.495654][   T10]      __sys_sendmsg+0xcd/0x170
[ 2566.495654][   T10]      do_syscall_64+0xc6/0x1e0
[ 2566.495654][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2566.495654][   T10] 
[ 2566.497665][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2566.497665][   T10]      netdev_get_by_index+0x5e/0x80
[ 2566.497665][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2566.497665][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2566.497665][   T10]      ip6_route_add+0x1c/0x140
[ 2566.497665][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2566.497665][   T10]      addrconf_add_dev+0xe2/0x170
[ 2566.497665][   T10]      inet6_addr_add+0x12f/0xa40
[ 2566.497665][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2566.497665][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2566.497665][   T10]      netlink_rcv_skb+0x130/0x360
[ 2566.497665][   T10]      netlink_unicast+0x449/0x710
[ 2566.497665][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2566.497665][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2566.497665][   T10]      ___sys_sendmsg+0xee/0x170
[ 2566.497665][   T10]      __sys_sendmsg+0xcd/0x170
[ 2566.497665][   T10]      do_syscall_64+0xc6/0x1e0
[ 2566.497665][   T10] 
[ 2566.499667][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2566.499667][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2566.499667][   T10]      ipv6_find_idev+0x102/0x170
[ 2566.499667][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2566.499667][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2566.499667][   T10]      netlink_rcv_skb+0x130/0x360
[ 2566.499667][   T10]      netlink_unicast+0x449/0x710
[ 2566.499667][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2566.499667][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2566.499667][   T10]      ___sys_sendmsg+0xee/0x170
[ 2566.499667][   T10]      __sys_sendmsg+0xcd/0x170
[ 2566.499667][   T10]      do_syscall_64+0xc6/0x1e0
[ 2566.499667][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2566.499667][   T10] 
[ 2566.501224][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2566.501224][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2566.501224][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2566.501224][   T10]      ipv6_find_idev+0x102/0x170
[ 2566.501224][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2566.501224][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2566.501224][   T10]      netlink_rcv_skb+0x130/0x360
[ 2566.501224][   T10]      netlink_unicast+0x449/0x710
[ 2566.501224][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2566.501224][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2566.501224][   T10]      ___sys_sendmsg+0xee/0x170
[ 2566.501224][   T10]      __sys_sendmsg+0xcd/0x170
[ 2566.501224][   T10]      do_syscall_64+0xc6/0x1e0
[ 2566.501224][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2566.501224][   T10] 
[ 2576.607882][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2576.608447][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2576.608447][   T10]      dst_init+0x84/0x4a0
[ 2576.608447][   T10]      dst_alloc+0x97/0x150
[ 2576.608447][   T10]      ip6_dst_alloc+0x23/0x90
[ 2576.608447][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2576.608447][   T10]      ip6_pol_route+0x56f/0x840
[ 2576.608447][   T10]      fib6_rule_lookup+0x456/0x630
[ 2576.608447][   T10]      ip6_route_input+0x59c/0xa50
[ 2576.608447][   T10]      ipv6_rcv+0x397/0x810
[ 2576.608447][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2576.608447][   T10]      process_backlog+0x101/0x620
[ 2576.608447][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2576.608447][   T10]      net_rx_action+0x495/0xbe0
[ 2576.608447][   T10]      __do_softirq+0x1b5/0x7f6
[ 2576.608447][   T10] 
[ 2576.610130][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2576.610130][   T10]      netdev_get_by_index+0x5e/0x80
[ 2576.610130][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2576.610130][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2576.610130][   T10]      ip6_route_add+0x1c/0x140
[ 2576.610130][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2576.610130][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2576.610130][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2576.610130][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2576.610130][   T10]      netlink_rcv_skb+0x130/0x360
[ 2576.610130][   T10]      netlink_unicast+0x449/0x710
[ 2576.610130][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2576.610130][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2576.610130][   T10]      ___sys_sendmsg+0xee/0x170
[ 2576.610130][   T10]      __sys_sendmsg+0xcd/0x170
[ 2576.610130][   T10]      do_syscall_64+0xc6/0x1e0
[ 2576.610130][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2576.610130][   T10] 
[ 2576.612169][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2576.612169][   T10]      netdev_get_by_index+0x5e/0x80
[ 2576.612169][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2576.612169][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2576.612169][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2576.612169][   T10]      ipv6_add_addr+0x411/0x2000
[ 2576.612169][   T10]      inet6_addr_add+0x30e/0xa40
[ 2576.612169][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2576.612169][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2576.612169][   T10]      netlink_rcv_skb+0x130/0x360
[ 2576.612169][   T10]      netlink_unicast+0x449/0x710
[ 2576.612169][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2576.612169][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2576.612169][   T10]      ___sys_sendmsg+0xee/0x170
[ 2576.612169][   T10]      __sys_sendmsg+0xcd/0x170
[ 2576.612169][   T10]      do_syscall_64+0xc6/0x1e0
[ 2576.612169][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2576.612169][   T10] 
[ 2576.614216][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2576.614216][   T10]      netdev_get_by_index+0x5e/0x80
[ 2576.614216][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2576.614216][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2576.614216][   T10]      ip6_route_add+0x1c/0x140
[ 2576.614216][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2576.614216][   T10]      addrconf_add_dev+0xe2/0x170
[ 2576.614216][   T10]      inet6_addr_add+0x12f/0xa40
[ 2576.614216][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2576.614216][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2576.614216][   T10]      netlink_rcv_skb+0x130/0x360
[ 2576.614216][   T10]      netlink_unicast+0x449/0x710
[ 2576.614216][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2576.614216][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2576.614216][   T10]      ___sys_sendmsg+0xee/0x170
[ 2576.614216][   T10]      __sys_sendmsg+0xcd/0x170
[ 2576.614216][   T10]      do_syscall_64+0xc6/0x1e0
[ 2576.614216][   T10] 
[ 2576.616227][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2576.616227][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2576.616227][   T10]      ipv6_find_idev+0x102/0x170
[ 2576.616227][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2576.616227][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2576.616227][   T10]      netlink_rcv_skb+0x130/0x360
[ 2576.616227][   T10]      netlink_unicast+0x449/0x710
[ 2576.616227][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2576.616227][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2576.616227][   T10]      ___sys_sendmsg+0xee/0x170
[ 2576.616227][   T10]      __sys_sendmsg+0xcd/0x170
[ 2576.616227][   T10]      do_syscall_64+0xc6/0x1e0
[ 2576.616227][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2576.616227][   T10] 
[ 2576.617806][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2576.617806][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2576.617806][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2576.617806][   T10]      ipv6_find_idev+0x102/0x170
[ 2576.617806][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2576.617806][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2576.617806][   T10]      netlink_rcv_skb+0x130/0x360
[ 2576.617806][   T10]      netlink_unicast+0x449/0x710
[ 2576.617806][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2576.617806][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2576.617806][   T10]      ___sys_sendmsg+0xee/0x170
[ 2576.617806][   T10]      __sys_sendmsg+0xcd/0x170
[ 2576.617806][   T10]      do_syscall_64+0xc6/0x1e0
[ 2576.617806][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2576.617806][   T10] 
[ 2576.619519][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2576.619783][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2576.619783][   T10]      netdev_get_by_index+0x5e/0x80
[ 2576.619783][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2576.619783][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2576.619783][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2576.619783][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2576.619783][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2576.619783][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2576.619783][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2576.619783][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2576.619783][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2576.619783][   T10]      vfs_write+0x9e5/0x10a0
[ 2576.619783][   T10]      ksys_write+0xf5/0x1e0
[ 2576.619783][   T10]      do_syscall_64+0xc6/0x1e0
[ 2576.619783][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2576.619783][   T10] 
[ 2576.621684][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2576.621684][   T10]      netdev_get_by_index+0x5e/0x80
[ 2576.621684][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2576.621684][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2576.621684][   T10]      ip6_route_add+0x1c/0x140
[ 2576.621684][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2576.621684][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2576.621684][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2576.621684][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2576.621684][   T10]      netlink_rcv_skb+0x130/0x360
[ 2576.621684][   T10]      netlink_unicast+0x449/0x710
[ 2576.621684][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2576.621684][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2576.621684][   T10]      ___sys_sendmsg+0xee/0x170
[ 2576.621684][   T10]      __sys_sendmsg+0xcd/0x170
[ 2576.621684][   T10]      do_syscall_64+0xc6/0x1e0
[ 2576.621684][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2576.621684][   T10] 
[ 2576.623712][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2576.623712][   T10]      netdev_get_by_index+0x5e/0x80
[ 2576.623712][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2576.623712][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2576.623712][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2576.623712][   T10]      ipv6_add_addr+0x411/0x2000
[ 2576.623712][   T10]      inet6_addr_add+0x30e/0xa40
[ 2576.623712][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2576.623712][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2576.623712][   T10]      netlink_rcv_skb+0x130/0x360
[ 2576.623712][   T10]      netlink_unicast+0x449/0x710
[ 2576.623712][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2576.623712][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2576.623712][   T10]      ___sys_sendmsg+0xee/0x170
[ 2576.623712][   T10]      __sys_sendmsg+0xcd/0x170
[ 2576.623712][   T10]      do_syscall_64+0xc6/0x1e0
[ 2576.623712][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2576.623712][   T10] 
[ 2576.625687][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2576.625687][   T10]      netdev_get_by_index+0x5e/0x80
[ 2576.625687][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2576.625687][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2576.625687][   T10]      ip6_route_add+0x1c/0x140
[ 2576.625687][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2576.625687][   T10]      addrconf_add_dev+0xe2/0x170
[ 2576.625687][   T10]      inet6_addr_add+0x12f/0xa40
[ 2576.625687][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2576.625687][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2576.625687][   T10]      netlink_rcv_skb+0x130/0x360
[ 2576.625687][   T10]      netlink_unicast+0x449/0x710
[ 2576.625687][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2576.625687][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2576.625687][   T10]      ___sys_sendmsg+0xee/0x170
[ 2576.625687][   T10]      __sys_sendmsg+0xcd/0x170
[ 2576.625687][   T10]      do_syscall_64+0xc6/0x1e0
[ 2576.625687][   T10] 
[ 2576.627633][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2576.627633][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2576.627633][   T10]      ipv6_find_idev+0x102/0x170
[ 2576.627633][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2576.627633][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2576.627633][   T10]      netlink_rcv_skb+0x130/0x360
[ 2576.627633][   T10]      netlink_unicast+0x449/0x710
[ 2576.627633][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2576.627633][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2576.627633][   T10]      ___sys_sendmsg+0xee/0x170
[ 2576.627633][   T10]      __sys_sendmsg+0xcd/0x170
[ 2576.627633][   T10]      do_syscall_64+0xc6/0x1e0
[ 2576.627633][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2576.627633][   T10] 
[ 2576.629200][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2576.629200][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2576.629200][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2576.629200][   T10]      ipv6_find_idev+0x102/0x170
[ 2576.629200][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2576.629200][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2576.629200][   T10]      netlink_rcv_skb+0x130/0x360
[ 2576.629200][   T10]      netlink_unicast+0x449/0x710
[ 2576.629200][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2576.629200][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2576.629200][   T10]      ___sys_sendmsg+0xee/0x170
[ 2576.629200][   T10]      __sys_sendmsg+0xcd/0x170
[ 2576.629200][   T10]      do_syscall_64+0xc6/0x1e0
[ 2576.629200][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2576.629200][   T10] 
[ 2586.871880][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2586.872638][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2586.872638][   T10]      dst_init+0x84/0x4a0
[ 2586.872638][   T10]      dst_alloc+0x97/0x150
[ 2586.872638][   T10]      ip6_dst_alloc+0x23/0x90
[ 2586.872638][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2586.872638][   T10]      ip6_pol_route+0x56f/0x840
[ 2586.872638][   T10]      fib6_rule_lookup+0x456/0x630
[ 2586.872638][   T10]      ip6_route_input+0x59c/0xa50
[ 2586.872638][   T10]      ipv6_rcv+0x397/0x810
[ 2586.872638][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2586.872638][   T10]      process_backlog+0x101/0x620
[ 2586.872638][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2586.872638][   T10]      net_rx_action+0x495/0xbe0
[ 2586.872638][   T10]      __do_softirq+0x1b5/0x7f6
[ 2586.872638][   T10] 
[ 2586.874329][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2586.874329][   T10]      netdev_get_by_index+0x5e/0x80
[ 2586.874329][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2586.874329][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2586.874329][   T10]      ip6_route_add+0x1c/0x140
[ 2586.874329][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2586.874329][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2586.874329][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2586.874329][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2586.874329][   T10]      netlink_rcv_skb+0x130/0x360
[ 2586.874329][   T10]      netlink_unicast+0x449/0x710
[ 2586.874329][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2586.874329][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2586.874329][   T10]      ___sys_sendmsg+0xee/0x170
[ 2586.874329][   T10]      __sys_sendmsg+0xcd/0x170
[ 2586.874329][   T10]      do_syscall_64+0xc6/0x1e0
[ 2586.874329][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2586.874329][   T10] 
[ 2586.876322][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2586.876322][   T10]      netdev_get_by_index+0x5e/0x80
[ 2586.876322][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2586.876322][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2586.876322][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2586.876322][   T10]      ipv6_add_addr+0x411/0x2000
[ 2586.876322][   T10]      inet6_addr_add+0x30e/0xa40
[ 2586.876322][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2586.876322][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2586.876322][   T10]      netlink_rcv_skb+0x130/0x360
[ 2586.876322][   T10]      netlink_unicast+0x449/0x710
[ 2586.876322][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2586.876322][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2586.876322][   T10]      ___sys_sendmsg+0xee/0x170
[ 2586.876322][   T10]      __sys_sendmsg+0xcd/0x170
[ 2586.876322][   T10]      do_syscall_64+0xc6/0x1e0
[ 2586.876322][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2586.876322][   T10] 
[ 2586.878290][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2586.878290][   T10]      netdev_get_by_index+0x5e/0x80
[ 2586.878290][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2586.878290][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2586.878290][   T10]      ip6_route_add+0x1c/0x140
[ 2586.878290][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2586.878290][   T10]      addrconf_add_dev+0xe2/0x170
[ 2586.878290][   T10]      inet6_addr_add+0x12f/0xa40
[ 2586.878290][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2586.878290][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2586.878290][   T10]      netlink_rcv_skb+0x130/0x360
[ 2586.878290][   T10]      netlink_unicast+0x449/0x710
[ 2586.878290][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2586.878290][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2586.878290][   T10]      ___sys_sendmsg+0xee/0x170
[ 2586.878290][   T10]      __sys_sendmsg+0xcd/0x170
[ 2586.878290][   T10]      do_syscall_64+0xc6/0x1e0
[ 2586.878290][   T10] 
[ 2586.880227][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2586.880227][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2586.880227][   T10]      ipv6_find_idev+0x102/0x170
[ 2586.880227][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2586.880227][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2586.880227][   T10]      netlink_rcv_skb+0x130/0x360
[ 2586.880227][   T10]      netlink_unicast+0x449/0x710
[ 2586.880227][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2586.880227][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2586.880227][   T10]      ___sys_sendmsg+0xee/0x170
[ 2586.880227][   T10]      __sys_sendmsg+0xcd/0x170
[ 2586.880227][   T10]      do_syscall_64+0xc6/0x1e0
[ 2586.880227][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2586.880227][   T10] 
[ 2586.881740][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2586.881740][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2586.881740][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2586.881740][   T10]      ipv6_find_idev+0x102/0x170
[ 2586.881740][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2586.881740][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2586.881740][   T10]      netlink_rcv_skb+0x130/0x360
[ 2586.881740][   T10]      netlink_unicast+0x449/0x710
[ 2586.881740][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2586.881740][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2586.881740][   T10]      ___sys_sendmsg+0xee/0x170
[ 2586.881740][   T10]      __sys_sendmsg+0xcd/0x170
[ 2586.881740][   T10]      do_syscall_64+0xc6/0x1e0
[ 2586.881740][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2586.881740][   T10] 
[ 2586.883453][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2586.883720][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2586.883720][   T10]      netdev_get_by_index+0x5e/0x80
[ 2586.883720][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2586.883720][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2586.883720][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2586.883720][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2586.883720][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2586.883720][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2586.883720][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2586.883720][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2586.883720][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2586.883720][   T10]      vfs_write+0x9e5/0x10a0
[ 2586.883720][   T10]      ksys_write+0xf5/0x1e0
[ 2586.883720][   T10]      do_syscall_64+0xc6/0x1e0
[ 2586.883720][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2586.883720][   T10] 
[ 2586.885575][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2586.885575][   T10]      netdev_get_by_index+0x5e/0x80
[ 2586.885575][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2586.885575][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2586.885575][   T10]      ip6_route_add+0x1c/0x140
[ 2586.885575][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2586.885575][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2586.885575][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2586.885575][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2586.885575][   T10]      netlink_rcv_skb+0x130/0x360
[ 2586.885575][   T10]      netlink_unicast+0x449/0x710
[ 2586.885575][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2586.885575][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2586.885575][   T10]      ___sys_sendmsg+0xee/0x170
[ 2586.885575][   T10]      __sys_sendmsg+0xcd/0x170
[ 2586.885575][   T10]      do_syscall_64+0xc6/0x1e0
[ 2586.885575][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2586.885575][   T10] 
[ 2586.887620][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2586.887620][   T10]      netdev_get_by_index+0x5e/0x80
[ 2586.887620][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2586.887620][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2586.887620][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2586.887620][   T10]      ipv6_add_addr+0x411/0x2000
[ 2586.887620][   T10]      inet6_addr_add+0x30e/0xa40
[ 2586.887620][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2586.887620][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2586.887620][   T10]      netlink_rcv_skb+0x130/0x360
[ 2586.887620][   T10]      netlink_unicast+0x449/0x710
[ 2586.887620][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2586.887620][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2586.887620][   T10]      ___sys_sendmsg+0xee/0x170
[ 2586.887620][   T10]      __sys_sendmsg+0xcd/0x170
[ 2586.887620][   T10]      do_syscall_64+0xc6/0x1e0
[ 2586.887620][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2586.887620][   T10] 
[ 2586.889645][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2586.889645][   T10]      netdev_get_by_index+0x5e/0x80
[ 2586.889645][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2586.889645][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2586.889645][   T10]      ip6_route_add+0x1c/0x140
[ 2586.889645][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2586.889645][   T10]      addrconf_add_dev+0xe2/0x170
[ 2586.889645][   T10]      inet6_addr_add+0x12f/0xa40
[ 2586.889645][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2586.889645][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2586.889645][   T10]      netlink_rcv_skb+0x130/0x360
[ 2586.889645][   T10]      netlink_unicast+0x449/0x710
[ 2586.889645][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2586.889645][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2586.889645][   T10]      ___sys_sendmsg+0xee/0x170
[ 2586.889645][   T10]      __sys_sendmsg+0xcd/0x170
[ 2586.889645][   T10]      do_syscall_64+0xc6/0x1e0
[ 2586.889645][   T10] 
[ 2586.891627][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2586.891627][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2586.891627][   T10]      ipv6_find_idev+0x102/0x170
[ 2586.891627][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2586.891627][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2586.891627][   T10]      netlink_rcv_skb+0x130/0x360
[ 2586.891627][   T10]      netlink_unicast+0x449/0x710
[ 2586.891627][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2586.891627][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2586.891627][   T10]      ___sys_sendmsg+0xee/0x170
[ 2586.891627][   T10]      __sys_sendmsg+0xcd/0x170
[ 2586.891627][   T10]      do_syscall_64+0xc6/0x1e0
[ 2586.891627][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2586.891627][   T10] 
[ 2586.893204][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2586.893204][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2586.893204][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2586.893204][   T10]      ipv6_find_idev+0x102/0x170
[ 2586.893204][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2586.893204][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2586.893204][   T10]      netlink_rcv_skb+0x130/0x360
[ 2586.893204][   T10]      netlink_unicast+0x449/0x710
[ 2586.893204][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2586.893204][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2586.893204][   T10]      ___sys_sendmsg+0xee/0x170
[ 2586.893204][   T10]      __sys_sendmsg+0xcd/0x170
[ 2586.893204][   T10]      do_syscall_64+0xc6/0x1e0
[ 2586.893204][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2586.893204][   T10] 
[ 2597.135880][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2597.136650][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2597.136650][   T10]      dst_init+0x84/0x4a0
[ 2597.136650][   T10]      dst_alloc+0x97/0x150
[ 2597.136650][   T10]      ip6_dst_alloc+0x23/0x90
[ 2597.136650][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2597.136650][   T10]      ip6_pol_route+0x56f/0x840
[ 2597.136650][   T10]      fib6_rule_lookup+0x456/0x630
[ 2597.136650][   T10]      ip6_route_input+0x59c/0xa50
[ 2597.136650][   T10]      ipv6_rcv+0x397/0x810
[ 2597.136650][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2597.136650][   T10]      process_backlog+0x101/0x620
[ 2597.136650][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2597.136650][   T10]      net_rx_action+0x495/0xbe0
[ 2597.136650][   T10]      __do_softirq+0x1b5/0x7f6
[ 2597.136650][   T10] 
[ 2597.138297][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2597.138297][   T10]      netdev_get_by_index+0x5e/0x80
[ 2597.138297][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2597.138297][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2597.138297][   T10]      ip6_route_add+0x1c/0x140
[ 2597.138297][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2597.138297][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2597.138297][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2597.138297][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2597.138297][   T10]      netlink_rcv_skb+0x130/0x360
[ 2597.138297][   T10]      netlink_unicast+0x449/0x710
[ 2597.138297][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2597.138297][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2597.138297][   T10]      ___sys_sendmsg+0xee/0x170
[ 2597.138297][   T10]      __sys_sendmsg+0xcd/0x170
[ 2597.138297][   T10]      do_syscall_64+0xc6/0x1e0
[ 2597.138297][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2597.138297][   T10] 
[ 2597.140311][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2597.140311][   T10]      netdev_get_by_index+0x5e/0x80
[ 2597.140311][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2597.140311][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2597.140311][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2597.140311][   T10]      ipv6_add_addr+0x411/0x2000
[ 2597.140311][   T10]      inet6_addr_add+0x30e/0xa40
[ 2597.140311][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2597.140311][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2597.140311][   T10]      netlink_rcv_skb+0x130/0x360
[ 2597.140311][   T10]      netlink_unicast+0x449/0x710
[ 2597.140311][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2597.140311][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2597.140311][   T10]      ___sys_sendmsg+0xee/0x170
[ 2597.140311][   T10]      __sys_sendmsg+0xcd/0x170
[ 2597.140311][   T10]      do_syscall_64+0xc6/0x1e0
[ 2597.140311][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2597.140311][   T10] 
[ 2597.142262][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2597.142262][   T10]      netdev_get_by_index+0x5e/0x80
[ 2597.142262][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2597.142262][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2597.142262][   T10]      ip6_route_add+0x1c/0x140
[ 2597.142262][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2597.142262][   T10]      addrconf_add_dev+0xe2/0x170
[ 2597.142262][   T10]      inet6_addr_add+0x12f/0xa40
[ 2597.142262][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2597.142262][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2597.142262][   T10]      netlink_rcv_skb+0x130/0x360
[ 2597.142262][   T10]      netlink_unicast+0x449/0x710
[ 2597.142262][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2597.142262][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2597.142262][   T10]      ___sys_sendmsg+0xee/0x170
[ 2597.142262][   T10]      __sys_sendmsg+0xcd/0x170
[ 2597.142262][   T10]      do_syscall_64+0xc6/0x1e0
[ 2597.142262][   T10] 
[ 2597.144220][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2597.144220][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2597.144220][   T10]      ipv6_find_idev+0x102/0x170
[ 2597.144220][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2597.144220][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2597.144220][   T10]      netlink_rcv_skb+0x130/0x360
[ 2597.144220][   T10]      netlink_unicast+0x449/0x710
[ 2597.144220][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2597.144220][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2597.144220][   T10]      ___sys_sendmsg+0xee/0x170
[ 2597.144220][   T10]      __sys_sendmsg+0xcd/0x170
[ 2597.144220][   T10]      do_syscall_64+0xc6/0x1e0
[ 2597.144220][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2597.144220][   T10] 
[ 2597.145722][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2597.145722][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2597.145722][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2597.145722][   T10]      ipv6_find_idev+0x102/0x170
[ 2597.145722][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2597.145722][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2597.145722][   T10]      netlink_rcv_skb+0x130/0x360
[ 2597.145722][   T10]      netlink_unicast+0x449/0x710
[ 2597.145722][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2597.145722][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2597.145722][   T10]      ___sys_sendmsg+0xee/0x170
[ 2597.145722][   T10]      __sys_sendmsg+0xcd/0x170
[ 2597.145722][   T10]      do_syscall_64+0xc6/0x1e0
[ 2597.145722][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2597.145722][   T10] 
[ 2597.147358][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2597.147599][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2597.147599][   T10]      netdev_get_by_index+0x5e/0x80
[ 2597.147599][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2597.147599][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2597.147599][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2597.147599][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2597.147599][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2597.147599][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2597.147599][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2597.147599][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2597.147599][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2597.147599][   T10]      vfs_write+0x9e5/0x10a0
[ 2597.147599][   T10]      ksys_write+0xf5/0x1e0
[ 2597.147599][   T10]      do_syscall_64+0xc6/0x1e0
[ 2597.147599][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2597.147599][   T10] 
[ 2597.149359][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2597.149359][   T10]      netdev_get_by_index+0x5e/0x80
[ 2597.149359][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2597.149359][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2597.149359][   T10]      ip6_route_add+0x1c/0x140
[ 2597.149359][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2597.149359][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2597.149359][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2597.149359][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2597.149359][   T10]      netlink_rcv_skb+0x130/0x360
[ 2597.149359][   T10]      netlink_unicast+0x449/0x710
[ 2597.149359][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2597.149359][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2597.149359][   T10]      ___sys_sendmsg+0xee/0x170
[ 2597.149359][   T10]      __sys_sendmsg+0xcd/0x170
[ 2597.149359][   T10]      do_syscall_64+0xc6/0x1e0
[ 2597.149359][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2597.149359][   T10] 
[ 2597.151347][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2597.151347][   T10]      netdev_get_by_index+0x5e/0x80
[ 2597.151347][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2597.151347][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2597.151347][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2597.151347][   T10]      ipv6_add_addr+0x411/0x2000
[ 2597.151347][   T10]      inet6_addr_add+0x30e/0xa40
[ 2597.151347][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2597.151347][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2597.151347][   T10]      netlink_rcv_skb+0x130/0x360
[ 2597.151347][   T10]      netlink_unicast+0x449/0x710
[ 2597.151347][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2597.151347][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2597.151347][   T10]      ___sys_sendmsg+0xee/0x170
[ 2597.151347][   T10]      __sys_sendmsg+0xcd/0x170
[ 2597.151347][   T10]      do_syscall_64+0xc6/0x1e0
[ 2597.151347][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2597.151347][   T10] 
[ 2597.153368][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2597.153368][   T10]      netdev_get_by_index+0x5e/0x80
[ 2597.153368][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2597.153368][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2597.153368][   T10]      ip6_route_add+0x1c/0x140
[ 2597.153368][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2597.153368][   T10]      addrconf_add_dev+0xe2/0x170
[ 2597.153368][   T10]      inet6_addr_add+0x12f/0xa40
[ 2597.153368][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2597.153368][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2597.153368][   T10]      netlink_rcv_skb+0x130/0x360
[ 2597.153368][   T10]      netlink_unicast+0x449/0x710
[ 2597.153368][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2597.153368][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2597.153368][   T10]      ___sys_sendmsg+0xee/0x170
[ 2597.153368][   T10]      __sys_sendmsg+0xcd/0x170
[ 2597.153368][   T10]      do_syscall_64+0xc6/0x1e0
[ 2597.153368][   T10] 
[ 2597.155288][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2597.155288][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2597.155288][   T10]      ipv6_find_idev+0x102/0x170
[ 2597.155288][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2597.155288][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2597.155288][   T10]      netlink_rcv_skb+0x130/0x360
[ 2597.155288][   T10]      netlink_unicast+0x449/0x710
[ 2597.155288][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2597.155288][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2597.155288][   T10]      ___sys_sendmsg+0xee/0x170
[ 2597.155288][   T10]      __sys_sendmsg+0xcd/0x170
[ 2597.155288][   T10]      do_syscall_64+0xc6/0x1e0
[ 2597.155288][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2597.155288][   T10] 
[ 2597.156790][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2597.156790][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2597.156790][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2597.156790][   T10]      ipv6_find_idev+0x102/0x170
[ 2597.156790][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2597.156790][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2597.156790][   T10]      netlink_rcv_skb+0x130/0x360
[ 2597.156790][   T10]      netlink_unicast+0x449/0x710
[ 2597.156790][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2597.156790][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2597.156790][   T10]      ___sys_sendmsg+0xee/0x170
[ 2597.156790][   T10]      __sys_sendmsg+0xcd/0x170
[ 2597.156790][   T10]      do_syscall_64+0xc6/0x1e0
[ 2597.156790][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2597.156790][   T10] 
[ 2607.199872][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2607.200657][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2607.200657][   T10]      dst_init+0x84/0x4a0
[ 2607.200657][   T10]      dst_alloc+0x97/0x150
[ 2607.200657][   T10]      ip6_dst_alloc+0x23/0x90
[ 2607.200657][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2607.200657][   T10]      ip6_pol_route+0x56f/0x840
[ 2607.200657][   T10]      fib6_rule_lookup+0x456/0x630
[ 2607.200657][   T10]      ip6_route_input+0x59c/0xa50
[ 2607.200657][   T10]      ipv6_rcv+0x397/0x810
[ 2607.200657][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2607.200657][   T10]      process_backlog+0x101/0x620
[ 2607.200657][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2607.200657][   T10]      net_rx_action+0x495/0xbe0
[ 2607.200657][   T10]      __do_softirq+0x1b5/0x7f6
[ 2607.200657][   T10] 
[ 2607.202326][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2607.202326][   T10]      netdev_get_by_index+0x5e/0x80
[ 2607.202326][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2607.202326][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2607.202326][   T10]      ip6_route_add+0x1c/0x140
[ 2607.202326][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2607.202326][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2607.202326][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2607.202326][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2607.202326][   T10]      netlink_rcv_skb+0x130/0x360
[ 2607.202326][   T10]      netlink_unicast+0x449/0x710
[ 2607.202326][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2607.202326][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2607.202326][   T10]      ___sys_sendmsg+0xee/0x170
[ 2607.202326][   T10]      __sys_sendmsg+0xcd/0x170
[ 2607.202326][   T10]      do_syscall_64+0xc6/0x1e0
[ 2607.202326][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2607.202326][   T10] 
[ 2607.204334][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2607.204334][   T10]      netdev_get_by_index+0x5e/0x80
[ 2607.204334][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2607.204334][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2607.204334][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2607.204334][   T10]      ipv6_add_addr+0x411/0x2000
[ 2607.204334][   T10]      inet6_addr_add+0x30e/0xa40
[ 2607.204334][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2607.204334][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2607.204334][   T10]      netlink_rcv_skb+0x130/0x360
[ 2607.204334][   T10]      netlink_unicast+0x449/0x710
[ 2607.204334][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2607.204334][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2607.204334][   T10]      ___sys_sendmsg+0xee/0x170
[ 2607.204334][   T10]      __sys_sendmsg+0xcd/0x170
[ 2607.204334][   T10]      do_syscall_64+0xc6/0x1e0
[ 2607.204334][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2607.204334][   T10] 
[ 2607.206292][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2607.206292][   T10]      netdev_get_by_index+0x5e/0x80
[ 2607.206292][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2607.206292][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2607.206292][   T10]      ip6_route_add+0x1c/0x140
[ 2607.206292][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2607.206292][   T10]      addrconf_add_dev+0xe2/0x170
[ 2607.206292][   T10]      inet6_addr_add+0x12f/0xa40
[ 2607.206292][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2607.206292][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2607.206292][   T10]      netlink_rcv_skb+0x130/0x360
[ 2607.206292][   T10]      netlink_unicast+0x449/0x710
[ 2607.206292][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2607.206292][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2607.206292][   T10]      ___sys_sendmsg+0xee/0x170
[ 2607.206292][   T10]      __sys_sendmsg+0xcd/0x170
[ 2607.206292][   T10]      do_syscall_64+0xc6/0x1e0
[ 2607.206292][   T10] 
[ 2607.208213][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2607.208213][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2607.208213][   T10]      ipv6_find_idev+0x102/0x170
[ 2607.208213][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2607.208213][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2607.208213][   T10]      netlink_rcv_skb+0x130/0x360
[ 2607.208213][   T10]      netlink_unicast+0x449/0x710
[ 2607.208213][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2607.208213][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2607.208213][   T10]      ___sys_sendmsg+0xee/0x170
[ 2607.208213][   T10]      __sys_sendmsg+0xcd/0x170
[ 2607.208213][   T10]      do_syscall_64+0xc6/0x1e0
[ 2607.208213][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2607.208213][   T10] 
[ 2607.209726][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2607.209726][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2607.209726][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2607.209726][   T10]      ipv6_find_idev+0x102/0x170
[ 2607.209726][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2607.209726][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2607.209726][   T10]      netlink_rcv_skb+0x130/0x360
[ 2607.209726][   T10]      netlink_unicast+0x449/0x710
[ 2607.209726][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2607.209726][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2607.209726][   T10]      ___sys_sendmsg+0xee/0x170
[ 2607.209726][   T10]      __sys_sendmsg+0xcd/0x170
[ 2607.209726][   T10]      do_syscall_64+0xc6/0x1e0
[ 2607.209726][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2607.209726][   T10] 
[ 2607.211406][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2607.211652][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2607.211652][   T10]      netdev_get_by_index+0x5e/0x80
[ 2607.211652][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2607.211652][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2607.211652][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2607.211652][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2607.211652][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2607.211652][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2607.211652][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2607.211652][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2607.211652][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2607.211652][   T10]      vfs_write+0x9e5/0x10a0
[ 2607.211652][   T10]      ksys_write+0xf5/0x1e0
[ 2607.211652][   T10]      do_syscall_64+0xc6/0x1e0
[ 2607.211652][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2607.211652][   T10] 
[ 2607.213517][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2607.213517][   T10]      netdev_get_by_index+0x5e/0x80
[ 2607.213517][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2607.213517][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2607.213517][   T10]      ip6_route_add+0x1c/0x140
[ 2607.213517][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2607.213517][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2607.213517][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2607.213517][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2607.213517][   T10]      netlink_rcv_skb+0x130/0x360
[ 2607.213517][   T10]      netlink_unicast+0x449/0x710
[ 2607.213517][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2607.213517][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2607.213517][   T10]      ___sys_sendmsg+0xee/0x170
[ 2607.213517][   T10]      __sys_sendmsg+0xcd/0x170
[ 2607.213517][   T10]      do_syscall_64+0xc6/0x1e0
[ 2607.213517][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2607.213517][   T10] 
[ 2607.215503][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2607.215503][   T10]      netdev_get_by_index+0x5e/0x80
[ 2607.215503][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2607.215503][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2607.215503][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2607.215503][   T10]      ipv6_add_addr+0x411/0x2000
[ 2607.215503][   T10]      inet6_addr_add+0x30e/0xa40
[ 2607.215503][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2607.215503][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2607.215503][   T10]      netlink_rcv_skb+0x130/0x360
[ 2607.215503][   T10]      netlink_unicast+0x449/0x710
[ 2607.215503][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2607.215503][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2607.215503][   T10]      ___sys_sendmsg+0xee/0x170
[ 2607.215503][   T10]      __sys_sendmsg+0xcd/0x170
[ 2607.215503][   T10]      do_syscall_64+0xc6/0x1e0
[ 2607.215503][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2607.215503][   T10] 
[ 2607.217524][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2607.217524][   T10]      netdev_get_by_index+0x5e/0x80
[ 2607.217524][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2607.217524][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2607.217524][   T10]      ip6_route_add+0x1c/0x140
[ 2607.217524][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2607.217524][   T10]      addrconf_add_dev+0xe2/0x170
[ 2607.217524][   T10]      inet6_addr_add+0x12f/0xa40
[ 2607.217524][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2607.217524][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2607.217524][   T10]      netlink_rcv_skb+0x130/0x360
[ 2607.217524][   T10]      netlink_unicast+0x449/0x710
[ 2607.217524][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2607.217524][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2607.217524][   T10]      ___sys_sendmsg+0xee/0x170
[ 2607.217524][   T10]      __sys_sendmsg+0xcd/0x170
[ 2607.217524][   T10]      do_syscall_64+0xc6/0x1e0
[ 2607.217524][   T10] 
[ 2607.219525][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2607.219525][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2607.219525][   T10]      ipv6_find_idev+0x102/0x170
[ 2607.219525][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2607.219525][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2607.219525][   T10]      netlink_rcv_skb+0x130/0x360
[ 2607.219525][   T10]      netlink_unicast+0x449/0x710
[ 2607.219525][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2607.219525][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2607.219525][   T10]      ___sys_sendmsg+0xee/0x170
[ 2607.219525][   T10]      __sys_sendmsg+0xcd/0x170
[ 2607.219525][   T10]      do_syscall_64+0xc6/0x1e0
[ 2607.219525][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2607.219525][   T10] 
[ 2607.221080][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2607.221080][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2607.221080][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2607.221080][   T10]      ipv6_find_idev+0x102/0x170
[ 2607.221080][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2607.221080][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2607.221080][   T10]      netlink_rcv_skb+0x130/0x360
[ 2607.221080][   T10]      netlink_unicast+0x449/0x710
[ 2607.221080][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2607.221080][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2607.221080][   T10]      ___sys_sendmsg+0xee/0x170
[ 2607.221080][   T10]      __sys_sendmsg+0xcd/0x170
[ 2607.221080][   T10]      do_syscall_64+0xc6/0x1e0
[ 2607.221080][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2607.221080][   T10] 
[ 2617.359870][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2617.360622][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2617.360622][   T10]      dst_init+0x84/0x4a0
[ 2617.360622][   T10]      dst_alloc+0x97/0x150
[ 2617.360622][   T10]      ip6_dst_alloc+0x23/0x90
[ 2617.360622][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2617.360622][   T10]      ip6_pol_route+0x56f/0x840
[ 2617.360622][   T10]      fib6_rule_lookup+0x456/0x630
[ 2617.360622][   T10]      ip6_route_input+0x59c/0xa50
[ 2617.360622][   T10]      ipv6_rcv+0x397/0x810
[ 2617.360622][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2617.360622][   T10]      process_backlog+0x101/0x620
[ 2617.360622][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2617.360622][   T10]      net_rx_action+0x495/0xbe0
[ 2617.360622][   T10]      __do_softirq+0x1b5/0x7f6
[ 2617.360622][   T10] 
[ 2617.362315][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2617.362315][   T10]      netdev_get_by_index+0x5e/0x80
[ 2617.362315][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2617.362315][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2617.362315][   T10]      ip6_route_add+0x1c/0x140
[ 2617.362315][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2617.362315][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2617.362315][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2617.362315][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2617.362315][   T10]      netlink_rcv_skb+0x130/0x360
[ 2617.362315][   T10]      netlink_unicast+0x449/0x710
[ 2617.362315][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2617.362315][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2617.362315][   T10]      ___sys_sendmsg+0xee/0x170
[ 2617.362315][   T10]      __sys_sendmsg+0xcd/0x170
[ 2617.362315][   T10]      do_syscall_64+0xc6/0x1e0
[ 2617.362315][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2617.362315][   T10] 
[ 2617.364394][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2617.364394][   T10]      netdev_get_by_index+0x5e/0x80
[ 2617.364394][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2617.364394][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2617.364394][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2617.364394][   T10]      ipv6_add_addr+0x411/0x2000
[ 2617.364394][   T10]      inet6_addr_add+0x30e/0xa40
[ 2617.364394][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2617.364394][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2617.364394][   T10]      netlink_rcv_skb+0x130/0x360
[ 2617.364394][   T10]      netlink_unicast+0x449/0x710
[ 2617.364394][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2617.364394][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2617.364394][   T10]      ___sys_sendmsg+0xee/0x170
[ 2617.364394][   T10]      __sys_sendmsg+0xcd/0x170
[ 2617.364394][   T10]      do_syscall_64+0xc6/0x1e0
[ 2617.364394][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2617.364394][   T10] 
[ 2617.366402][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2617.366402][   T10]      netdev_get_by_index+0x5e/0x80
[ 2617.366402][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2617.366402][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2617.366402][   T10]      ip6_route_add+0x1c/0x140
[ 2617.366402][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2617.366402][   T10]      addrconf_add_dev+0xe2/0x170
[ 2617.366402][   T10]      inet6_addr_add+0x12f/0xa40
[ 2617.366402][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2617.366402][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2617.366402][   T10]      netlink_rcv_skb+0x130/0x360
[ 2617.366402][   T10]      netlink_unicast+0x449/0x710
[ 2617.366402][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2617.366402][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2617.366402][   T10]      ___sys_sendmsg+0xee/0x170
[ 2617.366402][   T10]      __sys_sendmsg+0xcd/0x170
[ 2617.366402][   T10]      do_syscall_64+0xc6/0x1e0
[ 2617.366402][   T10] 
[ 2617.368379][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2617.368379][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2617.368379][   T10]      ipv6_find_idev+0x102/0x170
[ 2617.368379][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2617.368379][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2617.368379][   T10]      netlink_rcv_skb+0x130/0x360
[ 2617.368379][   T10]      netlink_unicast+0x449/0x710
[ 2617.368379][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2617.368379][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2617.368379][   T10]      ___sys_sendmsg+0xee/0x170
[ 2617.368379][   T10]      __sys_sendmsg+0xcd/0x170
[ 2617.368379][   T10]      do_syscall_64+0xc6/0x1e0
[ 2617.368379][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2617.368379][   T10] 
[ 2617.369941][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2617.369941][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2617.369941][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2617.369941][   T10]      ipv6_find_idev+0x102/0x170
[ 2617.369941][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2617.369941][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2617.369941][   T10]      netlink_rcv_skb+0x130/0x360
[ 2617.369941][   T10]      netlink_unicast+0x449/0x710
[ 2617.369941][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2617.369941][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2617.369941][   T10]      ___sys_sendmsg+0xee/0x170
[ 2617.369941][   T10]      __sys_sendmsg+0xcd/0x170
[ 2617.369941][   T10]      do_syscall_64+0xc6/0x1e0
[ 2617.369941][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2617.369941][   T10] 
[ 2617.371648][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2617.371917][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2617.371917][   T10]      netdev_get_by_index+0x5e/0x80
[ 2617.371917][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2617.371917][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2617.371917][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2617.371917][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2617.371917][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2617.371917][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2617.371917][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2617.371917][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2617.371917][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2617.371917][   T10]      vfs_write+0x9e5/0x10a0
[ 2617.371917][   T10]      ksys_write+0xf5/0x1e0
[ 2617.371917][   T10]      do_syscall_64+0xc6/0x1e0
[ 2617.371917][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2617.371917][   T10] 
[ 2617.373785][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2617.373785][   T10]      netdev_get_by_index+0x5e/0x80
[ 2617.373785][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2617.373785][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2617.373785][   T10]      ip6_route_add+0x1c/0x140
[ 2617.373785][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2617.373785][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2617.373785][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2617.373785][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2617.373785][   T10]      netlink_rcv_skb+0x130/0x360
[ 2617.373785][   T10]      netlink_unicast+0x449/0x710
[ 2617.373785][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2617.373785][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2617.373785][   T10]      ___sys_sendmsg+0xee/0x170
[ 2617.373785][   T10]      __sys_sendmsg+0xcd/0x170
[ 2617.373785][   T10]      do_syscall_64+0xc6/0x1e0
[ 2617.373785][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2617.373785][   T10] 
[ 2617.375831][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2617.375831][   T10]      netdev_get_by_index+0x5e/0x80
[ 2617.375831][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2617.375831][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2617.375831][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2617.375831][   T10]      ipv6_add_addr+0x411/0x2000
[ 2617.375831][   T10]      inet6_addr_add+0x30e/0xa40
[ 2617.375831][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2617.375831][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2617.375831][   T10]      netlink_rcv_skb+0x130/0x360
[ 2617.375831][   T10]      netlink_unicast+0x449/0x710
[ 2617.375831][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2617.375831][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2617.375831][   T10]      ___sys_sendmsg+0xee/0x170
[ 2617.375831][   T10]      __sys_sendmsg+0xcd/0x170
[ 2617.375831][   T10]      do_syscall_64+0xc6/0x1e0
[ 2617.375831][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2617.375831][   T10] 
[ 2617.377865][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2617.377865][   T10]      netdev_get_by_index+0x5e/0x80
[ 2617.377865][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2617.377865][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2617.377865][   T10]      ip6_route_add+0x1c/0x140
[ 2617.377865][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2617.377865][   T10]      addrconf_add_dev+0xe2/0x170
[ 2617.377865][   T10]      inet6_addr_add+0x12f/0xa40
[ 2617.377865][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2617.377865][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2617.377865][   T10]      netlink_rcv_skb+0x130/0x360
[ 2617.377865][   T10]      netlink_unicast+0x449/0x710
[ 2617.377865][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2617.377865][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2617.377865][   T10]      ___sys_sendmsg+0xee/0x170
[ 2617.377865][   T10]      __sys_sendmsg+0xcd/0x170
[ 2617.377865][   T10]      do_syscall_64+0xc6/0x1e0
[ 2617.377865][   T10] 
[ 2617.379867][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2617.379867][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2617.379867][   T10]      ipv6_find_idev+0x102/0x170
[ 2617.379867][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2617.379867][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2617.379867][   T10]      netlink_rcv_skb+0x130/0x360
[ 2617.379867][   T10]      netlink_unicast+0x449/0x710
[ 2617.379867][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2617.379867][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2617.379867][   T10]      ___sys_sendmsg+0xee/0x170
[ 2617.379867][   T10]      __sys_sendmsg+0xcd/0x170
[ 2617.379867][   T10]      do_syscall_64+0xc6/0x1e0
[ 2617.379867][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2617.379867][   T10] 
[ 2617.381426][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2617.381426][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2617.381426][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2617.381426][   T10]      ipv6_find_idev+0x102/0x170
[ 2617.381426][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2617.381426][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2617.381426][   T10]      netlink_rcv_skb+0x130/0x360
[ 2617.381426][   T10]      netlink_unicast+0x449/0x710
[ 2617.381426][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2617.381426][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2617.381426][   T10]      ___sys_sendmsg+0xee/0x170
[ 2617.381426][   T10]      __sys_sendmsg+0xcd/0x170
[ 2617.381426][   T10]      do_syscall_64+0xc6/0x1e0
[ 2617.381426][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2617.381426][   T10] 
[ 2627.431866][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2627.432616][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2627.432616][   T10]      dst_init+0x84/0x4a0
[ 2627.432616][   T10]      dst_alloc+0x97/0x150
[ 2627.432616][   T10]      ip6_dst_alloc+0x23/0x90
[ 2627.432616][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2627.432616][   T10]      ip6_pol_route+0x56f/0x840
[ 2627.432616][   T10]      fib6_rule_lookup+0x456/0x630
[ 2627.432616][   T10]      ip6_route_input+0x59c/0xa50
[ 2627.432616][   T10]      ipv6_rcv+0x397/0x810
[ 2627.432616][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2627.432616][   T10]      process_backlog+0x101/0x620
[ 2627.432616][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2627.432616][   T10]      net_rx_action+0x495/0xbe0
[ 2627.432616][   T10]      __do_softirq+0x1b5/0x7f6
[ 2627.432616][   T10] 
[ 2627.434287][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2627.434287][   T10]      netdev_get_by_index+0x5e/0x80
[ 2627.434287][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2627.434287][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2627.434287][   T10]      ip6_route_add+0x1c/0x140
[ 2627.434287][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2627.434287][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2627.434287][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2627.434287][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2627.434287][   T10]      netlink_rcv_skb+0x130/0x360
[ 2627.434287][   T10]      netlink_unicast+0x449/0x710
[ 2627.434287][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2627.434287][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2627.434287][   T10]      ___sys_sendmsg+0xee/0x170
[ 2627.434287][   T10]      __sys_sendmsg+0xcd/0x170
[ 2627.434287][   T10]      do_syscall_64+0xc6/0x1e0
[ 2627.434287][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2627.434287][   T10] 
[ 2627.436291][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2627.436291][   T10]      netdev_get_by_index+0x5e/0x80
[ 2627.436291][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2627.436291][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2627.436291][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2627.436291][   T10]      ipv6_add_addr+0x411/0x2000
[ 2627.436291][   T10]      inet6_addr_add+0x30e/0xa40
[ 2627.436291][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2627.436291][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2627.436291][   T10]      netlink_rcv_skb+0x130/0x360
[ 2627.436291][   T10]      netlink_unicast+0x449/0x710
[ 2627.436291][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2627.436291][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2627.436291][   T10]      ___sys_sendmsg+0xee/0x170
[ 2627.436291][   T10]      __sys_sendmsg+0xcd/0x170
[ 2627.436291][   T10]      do_syscall_64+0xc6/0x1e0
[ 2627.436291][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2627.436291][   T10] 
[ 2627.438247][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2627.438247][   T10]      netdev_get_by_index+0x5e/0x80
[ 2627.438247][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2627.438247][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2627.438247][   T10]      ip6_route_add+0x1c/0x140
[ 2627.438247][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2627.438247][   T10]      addrconf_add_dev+0xe2/0x170
[ 2627.438247][   T10]      inet6_addr_add+0x12f/0xa40
[ 2627.438247][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2627.438247][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2627.438247][   T10]      netlink_rcv_skb+0x130/0x360
[ 2627.438247][   T10]      netlink_unicast+0x449/0x710
[ 2627.438247][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2627.438247][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2627.438247][   T10]      ___sys_sendmsg+0xee/0x170
[ 2627.438247][   T10]      __sys_sendmsg+0xcd/0x170
[ 2627.438247][   T10]      do_syscall_64+0xc6/0x1e0
[ 2627.438247][   T10] 
[ 2627.440172][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2627.440172][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2627.440172][   T10]      ipv6_find_idev+0x102/0x170
[ 2627.440172][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2627.440172][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2627.440172][   T10]      netlink_rcv_skb+0x130/0x360
[ 2627.440172][   T10]      netlink_unicast+0x449/0x710
[ 2627.440172][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2627.440172][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2627.440172][   T10]      ___sys_sendmsg+0xee/0x170
[ 2627.440172][   T10]      __sys_sendmsg+0xcd/0x170
[ 2627.440172][   T10]      do_syscall_64+0xc6/0x1e0
[ 2627.440172][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2627.440172][   T10] 
[ 2627.441676][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2627.441676][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2627.441676][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2627.441676][   T10]      ipv6_find_idev+0x102/0x170
[ 2627.441676][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2627.441676][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2627.441676][   T10]      netlink_rcv_skb+0x130/0x360
[ 2627.441676][   T10]      netlink_unicast+0x449/0x710
[ 2627.441676][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2627.441676][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2627.441676][   T10]      ___sys_sendmsg+0xee/0x170
[ 2627.441676][   T10]      __sys_sendmsg+0xcd/0x170
[ 2627.441676][   T10]      do_syscall_64+0xc6/0x1e0
[ 2627.441676][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2627.441676][   T10] 
[ 2627.443368][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2627.443615][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2627.443615][   T10]      netdev_get_by_index+0x5e/0x80
[ 2627.443615][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2627.443615][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2627.443615][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2627.443615][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2627.443615][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2627.443615][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2627.443615][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2627.443615][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2627.443615][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2627.443615][   T10]      vfs_write+0x9e5/0x10a0
[ 2627.443615][   T10]      ksys_write+0xf5/0x1e0
[ 2627.443615][   T10]      do_syscall_64+0xc6/0x1e0
[ 2627.443615][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2627.443615][   T10] 
[ 2627.445388][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2627.445388][   T10]      netdev_get_by_index+0x5e/0x80
[ 2627.445388][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2627.445388][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2627.445388][   T10]      ip6_route_add+0x1c/0x140
[ 2627.445388][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2627.445388][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2627.445388][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2627.445388][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2627.445388][   T10]      netlink_rcv_skb+0x130/0x360
[ 2627.445388][   T10]      netlink_unicast+0x449/0x710
[ 2627.445388][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2627.445388][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2627.445388][   T10]      ___sys_sendmsg+0xee/0x170
[ 2627.445388][   T10]      __sys_sendmsg+0xcd/0x170
[ 2627.445388][   T10]      do_syscall_64+0xc6/0x1e0
[ 2627.445388][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2627.445388][   T10] 
[ 2627.447382][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2627.447382][   T10]      netdev_get_by_index+0x5e/0x80
[ 2627.447382][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2627.447382][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2627.447382][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2627.447382][   T10]      ipv6_add_addr+0x411/0x2000
[ 2627.447382][   T10]      inet6_addr_add+0x30e/0xa40
[ 2627.447382][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2627.447382][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2627.447382][   T10]      netlink_rcv_skb+0x130/0x360
[ 2627.447382][   T10]      netlink_unicast+0x449/0x710
[ 2627.447382][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2627.447382][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2627.447382][   T10]      ___sys_sendmsg+0xee/0x170
[ 2627.447382][   T10]      __sys_sendmsg+0xcd/0x170
[ 2627.447382][   T10]      do_syscall_64+0xc6/0x1e0
[ 2627.447382][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2627.447382][   T10] 
[ 2627.449400][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2627.449400][   T10]      netdev_get_by_index+0x5e/0x80
[ 2627.449400][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2627.449400][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2627.449400][   T10]      ip6_route_add+0x1c/0x140
[ 2627.449400][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2627.449400][   T10]      addrconf_add_dev+0xe2/0x170
[ 2627.449400][   T10]      inet6_addr_add+0x12f/0xa40
[ 2627.449400][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2627.449400][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2627.449400][   T10]      netlink_rcv_skb+0x130/0x360
[ 2627.449400][   T10]      netlink_unicast+0x449/0x710
[ 2627.449400][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2627.449400][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2627.449400][   T10]      ___sys_sendmsg+0xee/0x170
[ 2627.449400][   T10]      __sys_sendmsg+0xcd/0x170
[ 2627.449400][   T10]      do_syscall_64+0xc6/0x1e0
[ 2627.449400][   T10] 
[ 2627.451405][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2627.451405][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2627.451405][   T10]      ipv6_find_idev+0x102/0x170
[ 2627.451405][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2627.451405][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2627.451405][   T10]      netlink_rcv_skb+0x130/0x360
[ 2627.451405][   T10]      netlink_unicast+0x449/0x710
[ 2627.451405][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2627.451405][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2627.451405][   T10]      ___sys_sendmsg+0xee/0x170
[ 2627.451405][   T10]      __sys_sendmsg+0xcd/0x170
[ 2627.451405][   T10]      do_syscall_64+0xc6/0x1e0
[ 2627.451405][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2627.451405][   T10] 
[ 2627.452973][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2627.452973][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2627.452973][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2627.452973][   T10]      ipv6_find_idev+0x102/0x170
[ 2627.452973][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2627.452973][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2627.452973][   T10]      netlink_rcv_skb+0x130/0x360
[ 2627.452973][   T10]      netlink_unicast+0x449/0x710
[ 2627.452973][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2627.452973][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2627.452973][   T10]      ___sys_sendmsg+0xee/0x170
[ 2627.452973][   T10]      __sys_sendmsg+0xcd/0x170
[ 2627.452973][   T10]      do_syscall_64+0xc6/0x1e0
[ 2627.452973][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2627.452973][   T10] 
[ 2637.655896][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2637.656483][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2637.656483][   T10]      dst_init+0x84/0x4a0
[ 2637.656483][   T10]      dst_alloc+0x97/0x150
[ 2637.656483][   T10]      ip6_dst_alloc+0x23/0x90
[ 2637.656483][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2637.656483][   T10]      ip6_pol_route+0x56f/0x840
[ 2637.656483][   T10]      fib6_rule_lookup+0x456/0x630
[ 2637.656483][   T10]      ip6_route_input+0x59c/0xa50
[ 2637.656483][   T10]      ipv6_rcv+0x397/0x810
[ 2637.656483][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2637.656483][   T10]      process_backlog+0x101/0x620
[ 2637.656483][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2637.656483][   T10]      net_rx_action+0x495/0xbe0
[ 2637.656483][   T10]      __do_softirq+0x1b5/0x7f6
[ 2637.656483][   T10] 
[ 2637.658264][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2637.658264][   T10]      netdev_get_by_index+0x5e/0x80
[ 2637.658264][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2637.658264][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2637.658264][   T10]      ip6_route_add+0x1c/0x140
[ 2637.658264][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2637.658264][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2637.658264][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2637.658264][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2637.658264][   T10]      netlink_rcv_skb+0x130/0x360
[ 2637.658264][   T10]      netlink_unicast+0x449/0x710
[ 2637.658264][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2637.658264][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2637.658264][   T10]      ___sys_sendmsg+0xee/0x170
[ 2637.658264][   T10]      __sys_sendmsg+0xcd/0x170
[ 2637.658264][   T10]      do_syscall_64+0xc6/0x1e0
[ 2637.658264][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2637.658264][   T10] 
[ 2637.660291][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2637.660291][   T10]      netdev_get_by_index+0x5e/0x80
[ 2637.660291][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2637.660291][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2637.660291][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2637.660291][   T10]      ipv6_add_addr+0x411/0x2000
[ 2637.660291][   T10]      inet6_addr_add+0x30e/0xa40
[ 2637.660291][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2637.660291][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2637.660291][   T10]      netlink_rcv_skb+0x130/0x360
[ 2637.660291][   T10]      netlink_unicast+0x449/0x710
[ 2637.660291][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2637.660291][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2637.660291][   T10]      ___sys_sendmsg+0xee/0x170
[ 2637.660291][   T10]      __sys_sendmsg+0xcd/0x170
[ 2637.660291][   T10]      do_syscall_64+0xc6/0x1e0
[ 2637.660291][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2637.660291][   T10] 
[ 2637.662297][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2637.662297][   T10]      netdev_get_by_index+0x5e/0x80
[ 2637.662297][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2637.662297][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2637.662297][   T10]      ip6_route_add+0x1c/0x140
[ 2637.662297][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2637.662297][   T10]      addrconf_add_dev+0xe2/0x170
[ 2637.662297][   T10]      inet6_addr_add+0x12f/0xa40
[ 2637.662297][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2637.662297][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2637.662297][   T10]      netlink_rcv_skb+0x130/0x360
[ 2637.662297][   T10]      netlink_unicast+0x449/0x710
[ 2637.662297][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2637.662297][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2637.662297][   T10]      ___sys_sendmsg+0xee/0x170
[ 2637.662297][   T10]      __sys_sendmsg+0xcd/0x170
[ 2637.662297][   T10]      do_syscall_64+0xc6/0x1e0
[ 2637.662297][   T10] 
[ 2637.664299][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2637.664299][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2637.664299][   T10]      ipv6_find_idev+0x102/0x170
[ 2637.664299][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2637.664299][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2637.664299][   T10]      netlink_rcv_skb+0x130/0x360
[ 2637.664299][   T10]      netlink_unicast+0x449/0x710
[ 2637.664299][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2637.664299][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2637.664299][   T10]      ___sys_sendmsg+0xee/0x170
[ 2637.664299][   T10]      __sys_sendmsg+0xcd/0x170
[ 2637.664299][   T10]      do_syscall_64+0xc6/0x1e0
[ 2637.664299][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2637.664299][   T10] 
[ 2637.665839][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2637.665839][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2637.665839][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2637.665839][   T10]      ipv6_find_idev+0x102/0x170
[ 2637.665839][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2637.665839][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2637.665839][   T10]      netlink_rcv_skb+0x130/0x360
[ 2637.665839][   T10]      netlink_unicast+0x449/0x710
[ 2637.665839][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2637.665839][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2637.665839][   T10]      ___sys_sendmsg+0xee/0x170
[ 2637.665839][   T10]      __sys_sendmsg+0xcd/0x170
[ 2637.665839][   T10]      do_syscall_64+0xc6/0x1e0
[ 2637.665839][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2637.665839][   T10] 
[ 2637.667564][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2637.667831][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2637.667831][   T10]      netdev_get_by_index+0x5e/0x80
[ 2637.667831][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2637.667831][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2637.667831][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2637.667831][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2637.667831][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2637.667831][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2637.667831][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2637.667831][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2637.667831][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2637.667831][   T10]      vfs_write+0x9e5/0x10a0
[ 2637.667831][   T10]      ksys_write+0xf5/0x1e0
[ 2637.667831][   T10]      do_syscall_64+0xc6/0x1e0
[ 2637.667831][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2637.667831][   T10] 
[ 2637.669667][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2637.669667][   T10]      netdev_get_by_index+0x5e/0x80
[ 2637.669667][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2637.669667][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2637.669667][   T10]      ip6_route_add+0x1c/0x140
[ 2637.669667][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2637.669667][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2637.669667][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2637.669667][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2637.669667][   T10]      netlink_rcv_skb+0x130/0x360
[ 2637.669667][   T10]      netlink_unicast+0x449/0x710
[ 2637.669667][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2637.669667][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2637.669667][   T10]      ___sys_sendmsg+0xee/0x170
[ 2637.669667][   T10]      __sys_sendmsg+0xcd/0x170
[ 2637.669667][   T10]      do_syscall_64+0xc6/0x1e0
[ 2637.669667][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2637.669667][   T10] 
[ 2637.671689][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2637.671689][   T10]      netdev_get_by_index+0x5e/0x80
[ 2637.671689][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2637.671689][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2637.671689][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2637.671689][   T10]      ipv6_add_addr+0x411/0x2000
[ 2637.671689][   T10]      inet6_addr_add+0x30e/0xa40
[ 2637.671689][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2637.671689][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2637.671689][   T10]      netlink_rcv_skb+0x130/0x360
[ 2637.671689][   T10]      netlink_unicast+0x449/0x710
[ 2637.671689][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2637.671689][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2637.671689][   T10]      ___sys_sendmsg+0xee/0x170
[ 2637.671689][   T10]      __sys_sendmsg+0xcd/0x170
[ 2637.671689][   T10]      do_syscall_64+0xc6/0x1e0
[ 2637.671689][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2637.671689][   T10] 
[ 2637.673733][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2637.673733][   T10]      netdev_get_by_index+0x5e/0x80
[ 2637.673733][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2637.673733][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2637.673733][   T10]      ip6_route_add+0x1c/0x140
[ 2637.673733][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2637.673733][   T10]      addrconf_add_dev+0xe2/0x170
[ 2637.673733][   T10]      inet6_addr_add+0x12f/0xa40
[ 2637.673733][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2637.673733][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2637.673733][   T10]      netlink_rcv_skb+0x130/0x360
[ 2637.673733][   T10]      netlink_unicast+0x449/0x710
[ 2637.673733][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2637.673733][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2637.673733][   T10]      ___sys_sendmsg+0xee/0x170
[ 2637.673733][   T10]      __sys_sendmsg+0xcd/0x170
[ 2637.673733][   T10]      do_syscall_64+0xc6/0x1e0
[ 2637.673733][   T10] 
[ 2637.675745][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2637.675745][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2637.675745][   T10]      ipv6_find_idev+0x102/0x170
[ 2637.675745][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2637.675745][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2637.675745][   T10]      netlink_rcv_skb+0x130/0x360
[ 2637.675745][   T10]      netlink_unicast+0x449/0x710
[ 2637.675745][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2637.675745][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2637.675745][   T10]      ___sys_sendmsg+0xee/0x170
[ 2637.675745][   T10]      __sys_sendmsg+0xcd/0x170
[ 2637.675745][   T10]      do_syscall_64+0xc6/0x1e0
[ 2637.675745][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2637.675745][   T10] 
[ 2637.677288][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2637.677288][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2637.677288][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2637.677288][   T10]      ipv6_find_idev+0x102/0x170
[ 2637.677288][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2637.677288][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2637.677288][   T10]      netlink_rcv_skb+0x130/0x360
[ 2637.677288][   T10]      netlink_unicast+0x449/0x710
[ 2637.677288][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2637.677288][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2637.677288][   T10]      ___sys_sendmsg+0xee/0x170
[ 2637.677288][   T10]      __sys_sendmsg+0xcd/0x170
[ 2637.677288][   T10]      do_syscall_64+0xc6/0x1e0
[ 2637.677288][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2637.677288][   T10] 
[ 2647.919884][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2647.920560][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2647.920560][   T10]      dst_init+0x84/0x4a0
[ 2647.920560][   T10]      dst_alloc+0x97/0x150
[ 2647.920560][   T10]      ip6_dst_alloc+0x23/0x90
[ 2647.920560][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2647.920560][   T10]      ip6_pol_route+0x56f/0x840
[ 2647.920560][   T10]      fib6_rule_lookup+0x456/0x630
[ 2647.920560][   T10]      ip6_route_input+0x59c/0xa50
[ 2647.920560][   T10]      ipv6_rcv+0x397/0x810
[ 2647.920560][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2647.920560][   T10]      process_backlog+0x101/0x620
[ 2647.920560][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2647.920560][   T10]      net_rx_action+0x495/0xbe0
[ 2647.920560][   T10]      __do_softirq+0x1b5/0x7f6
[ 2647.920560][   T10] 
[ 2647.922309][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2647.922309][   T10]      netdev_get_by_index+0x5e/0x80
[ 2647.922309][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2647.922309][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2647.922309][   T10]      ip6_route_add+0x1c/0x140
[ 2647.922309][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2647.922309][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2647.922309][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2647.922309][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2647.922309][   T10]      netlink_rcv_skb+0x130/0x360
[ 2647.922309][   T10]      netlink_unicast+0x449/0x710
[ 2647.922309][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2647.922309][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2647.922309][   T10]      ___sys_sendmsg+0xee/0x170
[ 2647.922309][   T10]      __sys_sendmsg+0xcd/0x170
[ 2647.922309][   T10]      do_syscall_64+0xc6/0x1e0
[ 2647.922309][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2647.922309][   T10] 
[ 2647.924353][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2647.924353][   T10]      netdev_get_by_index+0x5e/0x80
[ 2647.924353][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2647.924353][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2647.924353][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2647.924353][   T10]      ipv6_add_addr+0x411/0x2000
[ 2647.924353][   T10]      inet6_addr_add+0x30e/0xa40
[ 2647.924353][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2647.924353][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2647.924353][   T10]      netlink_rcv_skb+0x130/0x360
[ 2647.924353][   T10]      netlink_unicast+0x449/0x710
[ 2647.924353][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2647.924353][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2647.924353][   T10]      ___sys_sendmsg+0xee/0x170
[ 2647.924353][   T10]      __sys_sendmsg+0xcd/0x170
[ 2647.924353][   T10]      do_syscall_64+0xc6/0x1e0
[ 2647.924353][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2647.924353][   T10] 
[ 2647.926346][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2647.926346][   T10]      netdev_get_by_index+0x5e/0x80
[ 2647.926346][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2647.926346][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2647.926346][   T10]      ip6_route_add+0x1c/0x140
[ 2647.926346][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2647.926346][   T10]      addrconf_add_dev+0xe2/0x170
[ 2647.926346][   T10]      inet6_addr_add+0x12f/0xa40
[ 2647.926346][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2647.926346][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2647.926346][   T10]      netlink_rcv_skb+0x130/0x360
[ 2647.926346][   T10]      netlink_unicast+0x449/0x710
[ 2647.926346][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2647.926346][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2647.926346][   T10]      ___sys_sendmsg+0xee/0x170
[ 2647.926346][   T10]      __sys_sendmsg+0xcd/0x170
[ 2647.926346][   T10]      do_syscall_64+0xc6/0x1e0
[ 2647.926346][   T10] 
[ 2647.928336][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2647.928336][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2647.928336][   T10]      ipv6_find_idev+0x102/0x170
[ 2647.928336][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2647.928336][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2647.928336][   T10]      netlink_rcv_skb+0x130/0x360
[ 2647.928336][   T10]      netlink_unicast+0x449/0x710
[ 2647.928336][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2647.928336][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2647.928336][   T10]      ___sys_sendmsg+0xee/0x170
[ 2647.928336][   T10]      __sys_sendmsg+0xcd/0x170
[ 2647.928336][   T10]      do_syscall_64+0xc6/0x1e0
[ 2647.928336][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2647.928336][   T10] 
[ 2647.929918][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2647.929918][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2647.929918][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2647.929918][   T10]      ipv6_find_idev+0x102/0x170
[ 2647.929918][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2647.929918][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2647.929918][   T10]      netlink_rcv_skb+0x130/0x360
[ 2647.929918][   T10]      netlink_unicast+0x449/0x710
[ 2647.929918][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2647.929918][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2647.929918][   T10]      ___sys_sendmsg+0xee/0x170
[ 2647.929918][   T10]      __sys_sendmsg+0xcd/0x170
[ 2647.929918][   T10]      do_syscall_64+0xc6/0x1e0
[ 2647.929918][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2647.929918][   T10] 
[ 2647.931582][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2647.931860][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2647.931860][   T10]      netdev_get_by_index+0x5e/0x80
[ 2647.931860][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2647.931860][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2647.931860][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2647.931860][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2647.931860][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2647.931860][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2647.931860][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2647.931860][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2647.931860][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2647.931860][   T10]      vfs_write+0x9e5/0x10a0
[ 2647.931860][   T10]      ksys_write+0xf5/0x1e0
[ 2647.931860][   T10]      do_syscall_64+0xc6/0x1e0
[ 2647.931860][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2647.931860][   T10] 
[ 2647.933740][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2647.933740][   T10]      netdev_get_by_index+0x5e/0x80
[ 2647.933740][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2647.933740][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2647.933740][   T10]      ip6_route_add+0x1c/0x140
[ 2647.933740][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2647.933740][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2647.933740][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2647.933740][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2647.933740][   T10]      netlink_rcv_skb+0x130/0x360
[ 2647.933740][   T10]      netlink_unicast+0x449/0x710
[ 2647.933740][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2647.933740][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2647.933740][   T10]      ___sys_sendmsg+0xee/0x170
[ 2647.933740][   T10]      __sys_sendmsg+0xcd/0x170
[ 2647.933740][   T10]      do_syscall_64+0xc6/0x1e0
[ 2647.933740][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2647.933740][   T10] 
[ 2647.935720][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2647.935720][   T10]      netdev_get_by_index+0x5e/0x80
[ 2647.935720][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2647.935720][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2647.935720][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2647.935720][   T10]      ipv6_add_addr+0x411/0x2000
[ 2647.935720][   T10]      inet6_addr_add+0x30e/0xa40
[ 2647.935720][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2647.935720][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2647.935720][   T10]      netlink_rcv_skb+0x130/0x360
[ 2647.935720][   T10]      netlink_unicast+0x449/0x710
[ 2647.935720][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2647.935720][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2647.935720][   T10]      ___sys_sendmsg+0xee/0x170
[ 2647.935720][   T10]      __sys_sendmsg+0xcd/0x170
[ 2647.935720][   T10]      do_syscall_64+0xc6/0x1e0
[ 2647.935720][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2647.935720][   T10] 
[ 2647.937701][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2647.937701][   T10]      netdev_get_by_index+0x5e/0x80
[ 2647.937701][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2647.937701][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2647.937701][   T10]      ip6_route_add+0x1c/0x140
[ 2647.937701][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2647.937701][   T10]      addrconf_add_dev+0xe2/0x170
[ 2647.937701][   T10]      inet6_addr_add+0x12f/0xa40
[ 2647.937701][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2647.937701][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2647.937701][   T10]      netlink_rcv_skb+0x130/0x360
[ 2647.937701][   T10]      netlink_unicast+0x449/0x710
[ 2647.937701][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2647.937701][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2647.937701][   T10]      ___sys_sendmsg+0xee/0x170
[ 2647.937701][   T10]      __sys_sendmsg+0xcd/0x170
[ 2647.937701][   T10]      do_syscall_64+0xc6/0x1e0
[ 2647.937701][   T10] 
[ 2647.939674][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2647.939674][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2647.939674][   T10]      ipv6_find_idev+0x102/0x170
[ 2647.939674][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2647.939674][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2647.939674][   T10]      netlink_rcv_skb+0x130/0x360
[ 2647.939674][   T10]      netlink_unicast+0x449/0x710
[ 2647.939674][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2647.939674][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2647.939674][   T10]      ___sys_sendmsg+0xee/0x170
[ 2647.939674][   T10]      __sys_sendmsg+0xcd/0x170
[ 2647.939674][   T10]      do_syscall_64+0xc6/0x1e0
[ 2647.939674][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2647.939674][   T10] 
[ 2647.941244][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2647.941244][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2647.941244][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2647.941244][   T10]      ipv6_find_idev+0x102/0x170
[ 2647.941244][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2647.941244][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2647.941244][   T10]      netlink_rcv_skb+0x130/0x360
[ 2647.941244][   T10]      netlink_unicast+0x449/0x710
[ 2647.941244][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2647.941244][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2647.941244][   T10]      ___sys_sendmsg+0xee/0x170
[ 2647.941244][   T10]      __sys_sendmsg+0xcd/0x170
[ 2647.941244][   T10]      do_syscall_64+0xc6/0x1e0
[ 2647.941244][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2647.941244][   T10] 
[ 2657.959890][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2657.960438][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2657.960438][   T10]      dst_init+0x84/0x4a0
[ 2657.960438][   T10]      dst_alloc+0x97/0x150
[ 2657.960438][   T10]      ip6_dst_alloc+0x23/0x90
[ 2657.960438][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2657.960438][   T10]      ip6_pol_route+0x56f/0x840
[ 2657.960438][   T10]      fib6_rule_lookup+0x456/0x630
[ 2657.960438][   T10]      ip6_route_input+0x59c/0xa50
[ 2657.960438][   T10]      ipv6_rcv+0x397/0x810
[ 2657.960438][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2657.960438][   T10]      process_backlog+0x101/0x620
[ 2657.960438][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2657.960438][   T10]      net_rx_action+0x495/0xbe0
[ 2657.960438][   T10]      __do_softirq+0x1b5/0x7f6
[ 2657.960438][   T10] 
[ 2657.962109][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2657.962109][   T10]      netdev_get_by_index+0x5e/0x80
[ 2657.962109][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2657.962109][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2657.962109][   T10]      ip6_route_add+0x1c/0x140
[ 2657.962109][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2657.962109][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2657.962109][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2657.962109][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2657.962109][   T10]      netlink_rcv_skb+0x130/0x360
[ 2657.962109][   T10]      netlink_unicast+0x449/0x710
[ 2657.962109][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2657.962109][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2657.962109][   T10]      ___sys_sendmsg+0xee/0x170
[ 2657.962109][   T10]      __sys_sendmsg+0xcd/0x170
[ 2657.962109][   T10]      do_syscall_64+0xc6/0x1e0
[ 2657.962109][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2657.962109][   T10] 
[ 2657.964158][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2657.964158][   T10]      netdev_get_by_index+0x5e/0x80
[ 2657.964158][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2657.964158][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2657.964158][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2657.964158][   T10]      ipv6_add_addr+0x411/0x2000
[ 2657.964158][   T10]      inet6_addr_add+0x30e/0xa40
[ 2657.964158][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2657.964158][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2657.964158][   T10]      netlink_rcv_skb+0x130/0x360
[ 2657.964158][   T10]      netlink_unicast+0x449/0x710
[ 2657.964158][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2657.964158][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2657.964158][   T10]      ___sys_sendmsg+0xee/0x170
[ 2657.964158][   T10]      __sys_sendmsg+0xcd/0x170
[ 2657.964158][   T10]      do_syscall_64+0xc6/0x1e0
[ 2657.964158][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2657.964158][   T10] 
[ 2657.966136][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2657.966136][   T10]      netdev_get_by_index+0x5e/0x80
[ 2657.966136][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2657.966136][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2657.966136][   T10]      ip6_route_add+0x1c/0x140
[ 2657.966136][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2657.966136][   T10]      addrconf_add_dev+0xe2/0x170
[ 2657.966136][   T10]      inet6_addr_add+0x12f/0xa40
[ 2657.966136][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2657.966136][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2657.966136][   T10]      netlink_rcv_skb+0x130/0x360
[ 2657.966136][   T10]      netlink_unicast+0x449/0x710
[ 2657.966136][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2657.966136][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2657.966136][   T10]      ___sys_sendmsg+0xee/0x170
[ 2657.966136][   T10]      __sys_sendmsg+0xcd/0x170
[ 2657.966136][   T10]      do_syscall_64+0xc6/0x1e0
[ 2657.966136][   T10] 
[ 2657.968124][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2657.968124][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2657.968124][   T10]      ipv6_find_idev+0x102/0x170
[ 2657.968124][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2657.968124][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2657.968124][   T10]      netlink_rcv_skb+0x130/0x360
[ 2657.968124][   T10]      netlink_unicast+0x449/0x710
[ 2657.968124][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2657.968124][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2657.968124][   T10]      ___sys_sendmsg+0xee/0x170
[ 2657.968124][   T10]      __sys_sendmsg+0xcd/0x170
[ 2657.968124][   T10]      do_syscall_64+0xc6/0x1e0
[ 2657.968124][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2657.968124][   T10] 
[ 2657.969675][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2657.969675][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2657.969675][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2657.969675][   T10]      ipv6_find_idev+0x102/0x170
[ 2657.969675][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2657.969675][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2657.969675][   T10]      netlink_rcv_skb+0x130/0x360
[ 2657.969675][   T10]      netlink_unicast+0x449/0x710
[ 2657.969675][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2657.969675][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2657.969675][   T10]      ___sys_sendmsg+0xee/0x170
[ 2657.969675][   T10]      __sys_sendmsg+0xcd/0x170
[ 2657.969675][   T10]      do_syscall_64+0xc6/0x1e0
[ 2657.969675][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2657.969675][   T10] 
[ 2657.971430][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2657.971680][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2657.971680][   T10]      netdev_get_by_index+0x5e/0x80
[ 2657.971680][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2657.971680][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2657.971680][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2657.971680][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2657.971680][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2657.971680][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2657.971680][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2657.971680][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2657.971680][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2657.971680][   T10]      vfs_write+0x9e5/0x10a0
[ 2657.971680][   T10]      ksys_write+0xf5/0x1e0
[ 2657.971680][   T10]      do_syscall_64+0xc6/0x1e0
[ 2657.971680][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2657.971680][   T10] 
[ 2657.973556][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2657.973556][   T10]      netdev_get_by_index+0x5e/0x80
[ 2657.973556][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2657.973556][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2657.973556][   T10]      ip6_route_add+0x1c/0x140
[ 2657.973556][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2657.973556][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2657.973556][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2657.973556][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2657.973556][   T10]      netlink_rcv_skb+0x130/0x360
[ 2657.973556][   T10]      netlink_unicast+0x449/0x710
[ 2657.973556][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2657.973556][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2657.973556][   T10]      ___sys_sendmsg+0xee/0x170
[ 2657.973556][   T10]      __sys_sendmsg+0xcd/0x170
[ 2657.973556][   T10]      do_syscall_64+0xc6/0x1e0
[ 2657.973556][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2657.973556][   T10] 
[ 2657.975573][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2657.975573][   T10]      netdev_get_by_index+0x5e/0x80
[ 2657.975573][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2657.975573][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2657.975573][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2657.975573][   T10]      ipv6_add_addr+0x411/0x2000
[ 2657.975573][   T10]      inet6_addr_add+0x30e/0xa40
[ 2657.975573][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2657.975573][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2657.975573][   T10]      netlink_rcv_skb+0x130/0x360
[ 2657.975573][   T10]      netlink_unicast+0x449/0x710
[ 2657.975573][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2657.975573][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2657.975573][   T10]      ___sys_sendmsg+0xee/0x170
[ 2657.975573][   T10]      __sys_sendmsg+0xcd/0x170
[ 2657.975573][   T10]      do_syscall_64+0xc6/0x1e0
[ 2657.975573][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2657.975573][   T10] 
[ 2657.977536][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2657.977536][   T10]      netdev_get_by_index+0x5e/0x80
[ 2657.977536][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2657.977536][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2657.977536][   T10]      ip6_route_add+0x1c/0x140
[ 2657.977536][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2657.977536][   T10]      addrconf_add_dev+0xe2/0x170
[ 2657.977536][   T10]      inet6_addr_add+0x12f/0xa40
[ 2657.977536][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2657.977536][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2657.977536][   T10]      netlink_rcv_skb+0x130/0x360
[ 2657.977536][   T10]      netlink_unicast+0x449/0x710
[ 2657.977536][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2657.977536][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2657.977536][   T10]      ___sys_sendmsg+0xee/0x170
[ 2657.977536][   T10]      __sys_sendmsg+0xcd/0x170
[ 2657.977536][   T10]      do_syscall_64+0xc6/0x1e0
[ 2657.977536][   T10] 
[ 2657.979456][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2657.979456][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2657.979456][   T10]      ipv6_find_idev+0x102/0x170
[ 2657.979456][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2657.979456][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2657.979456][   T10]      netlink_rcv_skb+0x130/0x360
[ 2657.979456][   T10]      netlink_unicast+0x449/0x710
[ 2657.979456][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2657.979456][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2657.979456][   T10]      ___sys_sendmsg+0xee/0x170
[ 2657.979456][   T10]      __sys_sendmsg+0xcd/0x170
[ 2657.979456][   T10]      do_syscall_64+0xc6/0x1e0
[ 2657.979456][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2657.979456][   T10] 
[ 2657.980962][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2657.980962][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2657.980962][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2657.980962][   T10]      ipv6_find_idev+0x102/0x170
[ 2657.980962][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2657.980962][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2657.980962][   T10]      netlink_rcv_skb+0x130/0x360
[ 2657.980962][   T10]      netlink_unicast+0x449/0x710
[ 2657.980962][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2657.980962][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2657.980962][   T10]      ___sys_sendmsg+0xee/0x170
[ 2657.980962][   T10]      __sys_sendmsg+0xcd/0x170
[ 2657.980962][   T10]      do_syscall_64+0xc6/0x1e0
[ 2657.980962][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2657.980962][   T10] 
[ 2668.223868][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2668.224536][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2668.224536][   T10]      dst_init+0x84/0x4a0
[ 2668.224536][   T10]      dst_alloc+0x97/0x150
[ 2668.224536][   T10]      ip6_dst_alloc+0x23/0x90
[ 2668.224536][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2668.224536][   T10]      ip6_pol_route+0x56f/0x840
[ 2668.224536][   T10]      fib6_rule_lookup+0x456/0x630
[ 2668.224536][   T10]      ip6_route_input+0x59c/0xa50
[ 2668.224536][   T10]      ipv6_rcv+0x397/0x810
[ 2668.224536][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2668.224536][   T10]      process_backlog+0x101/0x620
[ 2668.224536][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2668.224536][   T10]      net_rx_action+0x495/0xbe0
[ 2668.224536][   T10]      __do_softirq+0x1b5/0x7f6
[ 2668.224536][   T10] 
[ 2668.226177][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2668.226177][   T10]      netdev_get_by_index+0x5e/0x80
[ 2668.226177][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2668.226177][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2668.226177][   T10]      ip6_route_add+0x1c/0x140
[ 2668.226177][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2668.226177][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2668.226177][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2668.226177][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2668.226177][   T10]      netlink_rcv_skb+0x130/0x360
[ 2668.226177][   T10]      netlink_unicast+0x449/0x710
[ 2668.226177][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2668.226177][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2668.226177][   T10]      ___sys_sendmsg+0xee/0x170
[ 2668.226177][   T10]      __sys_sendmsg+0xcd/0x170
[ 2668.226177][   T10]      do_syscall_64+0xc6/0x1e0
[ 2668.226177][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2668.226177][   T10] 
[ 2668.228195][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2668.228195][   T10]      netdev_get_by_index+0x5e/0x80
[ 2668.228195][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2668.228195][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2668.228195][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2668.228195][   T10]      ipv6_add_addr+0x411/0x2000
[ 2668.228195][   T10]      inet6_addr_add+0x30e/0xa40
[ 2668.228195][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2668.228195][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2668.228195][   T10]      netlink_rcv_skb+0x130/0x360
[ 2668.228195][   T10]      netlink_unicast+0x449/0x710
[ 2668.228195][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2668.228195][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2668.228195][   T10]      ___sys_sendmsg+0xee/0x170
[ 2668.228195][   T10]      __sys_sendmsg+0xcd/0x170
[ 2668.228195][   T10]      do_syscall_64+0xc6/0x1e0
[ 2668.228195][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2668.228195][   T10] 
[ 2668.230166][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2668.230166][   T10]      netdev_get_by_index+0x5e/0x80
[ 2668.230166][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2668.230166][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2668.230166][   T10]      ip6_route_add+0x1c/0x140
[ 2668.230166][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2668.230166][   T10]      addrconf_add_dev+0xe2/0x170
[ 2668.230166][   T10]      inet6_addr_add+0x12f/0xa40
[ 2668.230166][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2668.230166][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2668.230166][   T10]      netlink_rcv_skb+0x130/0x360
[ 2668.230166][   T10]      netlink_unicast+0x449/0x710
[ 2668.230166][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2668.230166][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2668.230166][   T10]      ___sys_sendmsg+0xee/0x170
[ 2668.230166][   T10]      __sys_sendmsg+0xcd/0x170
[ 2668.230166][   T10]      do_syscall_64+0xc6/0x1e0
[ 2668.230166][   T10] 
[ 2668.232139][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2668.232139][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2668.232139][   T10]      ipv6_find_idev+0x102/0x170
[ 2668.232139][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2668.232139][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2668.232139][   T10]      netlink_rcv_skb+0x130/0x360
[ 2668.232139][   T10]      netlink_unicast+0x449/0x710
[ 2668.232139][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2668.232139][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2668.232139][   T10]      ___sys_sendmsg+0xee/0x170
[ 2668.232139][   T10]      __sys_sendmsg+0xcd/0x170
[ 2668.232139][   T10]      do_syscall_64+0xc6/0x1e0
[ 2668.232139][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2668.232139][   T10] 
[ 2668.233729][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2668.233729][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2668.233729][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2668.233729][   T10]      ipv6_find_idev+0x102/0x170
[ 2668.233729][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2668.233729][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2668.233729][   T10]      netlink_rcv_skb+0x130/0x360
[ 2668.233729][   T10]      netlink_unicast+0x449/0x710
[ 2668.233729][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2668.233729][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2668.233729][   T10]      ___sys_sendmsg+0xee/0x170
[ 2668.233729][   T10]      __sys_sendmsg+0xcd/0x170
[ 2668.233729][   T10]      do_syscall_64+0xc6/0x1e0
[ 2668.233729][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2668.233729][   T10] 
[ 2668.235384][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2668.235641][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2668.235641][   T10]      netdev_get_by_index+0x5e/0x80
[ 2668.235641][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2668.235641][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2668.235641][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2668.235641][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2668.235641][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2668.235641][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2668.235641][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2668.235641][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2668.235641][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2668.235641][   T10]      vfs_write+0x9e5/0x10a0
[ 2668.235641][   T10]      ksys_write+0xf5/0x1e0
[ 2668.235641][   T10]      do_syscall_64+0xc6/0x1e0
[ 2668.235641][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2668.235641][   T10] 
[ 2668.237441][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2668.237441][   T10]      netdev_get_by_index+0x5e/0x80
[ 2668.237441][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2668.237441][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2668.237441][   T10]      ip6_route_add+0x1c/0x140
[ 2668.237441][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2668.237441][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2668.237441][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2668.237441][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2668.237441][   T10]      netlink_rcv_skb+0x130/0x360
[ 2668.237441][   T10]      netlink_unicast+0x449/0x710
[ 2668.237441][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2668.237441][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2668.237441][   T10]      ___sys_sendmsg+0xee/0x170
[ 2668.237441][   T10]      __sys_sendmsg+0xcd/0x170
[ 2668.237441][   T10]      do_syscall_64+0xc6/0x1e0
[ 2668.237441][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2668.237441][   T10] 
[ 2668.239519][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2668.239519][   T10]      netdev_get_by_index+0x5e/0x80
[ 2668.239519][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2668.239519][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2668.239519][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2668.239519][   T10]      ipv6_add_addr+0x411/0x2000
[ 2668.239519][   T10]      inet6_addr_add+0x30e/0xa40
[ 2668.239519][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2668.239519][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2668.239519][   T10]      netlink_rcv_skb+0x130/0x360
[ 2668.239519][   T10]      netlink_unicast+0x449/0x710
[ 2668.239519][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2668.239519][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2668.239519][   T10]      ___sys_sendmsg+0xee/0x170
[ 2668.239519][   T10]      __sys_sendmsg+0xcd/0x170
[ 2668.239519][   T10]      do_syscall_64+0xc6/0x1e0
[ 2668.239519][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2668.239519][   T10] 
[ 2668.241589][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2668.241589][   T10]      netdev_get_by_index+0x5e/0x80
[ 2668.241589][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2668.241589][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2668.241589][   T10]      ip6_route_add+0x1c/0x140
[ 2668.241589][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2668.241589][   T10]      addrconf_add_dev+0xe2/0x170
[ 2668.241589][   T10]      inet6_addr_add+0x12f/0xa40
[ 2668.241589][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2668.241589][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2668.241589][   T10]      netlink_rcv_skb+0x130/0x360
[ 2668.241589][   T10]      netlink_unicast+0x449/0x710
[ 2668.241589][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2668.241589][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2668.241589][   T10]      ___sys_sendmsg+0xee/0x170
[ 2668.241589][   T10]      __sys_sendmsg+0xcd/0x170
[ 2668.241589][   T10]      do_syscall_64+0xc6/0x1e0
[ 2668.241589][   T10] 
[ 2668.243563][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2668.243563][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2668.243563][   T10]      ipv6_find_idev+0x102/0x170
[ 2668.243563][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2668.243563][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2668.243563][   T10]      netlink_rcv_skb+0x130/0x360
[ 2668.243563][   T10]      netlink_unicast+0x449/0x710
[ 2668.243563][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2668.243563][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2668.243563][   T10]      ___sys_sendmsg+0xee/0x170
[ 2668.243563][   T10]      __sys_sendmsg+0xcd/0x170
[ 2668.243563][   T10]      do_syscall_64+0xc6/0x1e0
[ 2668.243563][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2668.243563][   T10] 
[ 2668.245025][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2668.245025][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2668.245025][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2668.245025][   T10]      ipv6_find_idev+0x102/0x170
[ 2668.245025][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2668.245025][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2668.245025][   T10]      netlink_rcv_skb+0x130/0x360
[ 2668.245025][   T10]      netlink_unicast+0x449/0x710
[ 2668.245025][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2668.245025][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2668.245025][   T10]      ___sys_sendmsg+0xee/0x170
[ 2668.245025][   T10]      __sys_sendmsg+0xcd/0x170
[ 2668.245025][   T10]      do_syscall_64+0xc6/0x1e0
[ 2668.245025][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2668.245025][   T10] 
[ 2678.495886][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2678.496593][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2678.496593][   T10]      dst_init+0x84/0x4a0
[ 2678.496593][   T10]      dst_alloc+0x97/0x150
[ 2678.496593][   T10]      ip6_dst_alloc+0x23/0x90
[ 2678.496593][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2678.496593][   T10]      ip6_pol_route+0x56f/0x840
[ 2678.496593][   T10]      fib6_rule_lookup+0x456/0x630
[ 2678.496593][   T10]      ip6_route_input+0x59c/0xa50
[ 2678.496593][   T10]      ipv6_rcv+0x397/0x810
[ 2678.496593][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2678.496593][   T10]      process_backlog+0x101/0x620
[ 2678.496593][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2678.496593][   T10]      net_rx_action+0x495/0xbe0
[ 2678.496593][   T10]      __do_softirq+0x1b5/0x7f6
[ 2678.496593][   T10] 
[ 2678.498170][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2678.498170][   T10]      netdev_get_by_index+0x5e/0x80
[ 2678.498170][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2678.498170][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2678.498170][   T10]      ip6_route_add+0x1c/0x140
[ 2678.498170][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2678.498170][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2678.498170][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2678.498170][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2678.498170][   T10]      netlink_rcv_skb+0x130/0x360
[ 2678.498170][   T10]      netlink_unicast+0x449/0x710
[ 2678.498170][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2678.498170][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2678.498170][   T10]      ___sys_sendmsg+0xee/0x170
[ 2678.498170][   T10]      __sys_sendmsg+0xcd/0x170
[ 2678.498170][   T10]      do_syscall_64+0xc6/0x1e0
[ 2678.498170][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2678.498170][   T10] 
[ 2678.500215][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2678.500215][   T10]      netdev_get_by_index+0x5e/0x80
[ 2678.500215][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2678.500215][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2678.500215][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2678.500215][   T10]      ipv6_add_addr+0x411/0x2000
[ 2678.500215][   T10]      inet6_addr_add+0x30e/0xa40
[ 2678.500215][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2678.500215][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2678.500215][   T10]      netlink_rcv_skb+0x130/0x360
[ 2678.500215][   T10]      netlink_unicast+0x449/0x710
[ 2678.500215][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2678.500215][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2678.500215][   T10]      ___sys_sendmsg+0xee/0x170
[ 2678.500215][   T10]      __sys_sendmsg+0xcd/0x170
[ 2678.500215][   T10]      do_syscall_64+0xc6/0x1e0
[ 2678.500215][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2678.500215][   T10] 
[ 2678.502167][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2678.502167][   T10]      netdev_get_by_index+0x5e/0x80
[ 2678.502167][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2678.502167][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2678.502167][   T10]      ip6_route_add+0x1c/0x140
[ 2678.502167][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2678.502167][   T10]      addrconf_add_dev+0xe2/0x170
[ 2678.502167][   T10]      inet6_addr_add+0x12f/0xa40
[ 2678.502167][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2678.502167][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2678.502167][   T10]      netlink_rcv_skb+0x130/0x360
[ 2678.502167][   T10]      netlink_unicast+0x449/0x710
[ 2678.502167][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2678.502167][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2678.502167][   T10]      ___sys_sendmsg+0xee/0x170
[ 2678.502167][   T10]      __sys_sendmsg+0xcd/0x170
[ 2678.502167][   T10]      do_syscall_64+0xc6/0x1e0
[ 2678.502167][   T10] 
[ 2678.504208][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2678.504208][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2678.504208][   T10]      ipv6_find_idev+0x102/0x170
[ 2678.504208][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2678.504208][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2678.504208][   T10]      netlink_rcv_skb+0x130/0x360
[ 2678.504208][   T10]      netlink_unicast+0x449/0x710
[ 2678.504208][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2678.504208][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2678.504208][   T10]      ___sys_sendmsg+0xee/0x170
[ 2678.504208][   T10]      __sys_sendmsg+0xcd/0x170
[ 2678.504208][   T10]      do_syscall_64+0xc6/0x1e0
[ 2678.504208][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2678.504208][   T10] 
[ 2678.505779][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2678.505779][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2678.505779][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2678.505779][   T10]      ipv6_find_idev+0x102/0x170
[ 2678.505779][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2678.505779][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2678.505779][   T10]      netlink_rcv_skb+0x130/0x360
[ 2678.505779][   T10]      netlink_unicast+0x449/0x710
[ 2678.505779][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2678.505779][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2678.505779][   T10]      ___sys_sendmsg+0xee/0x170
[ 2678.505779][   T10]      __sys_sendmsg+0xcd/0x170
[ 2678.505779][   T10]      do_syscall_64+0xc6/0x1e0
[ 2678.505779][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2678.505779][   T10] 
[ 2678.507567][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2678.507839][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2678.507839][   T10]      netdev_get_by_index+0x5e/0x80
[ 2678.507839][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2678.507839][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2678.507839][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2678.507839][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2678.507839][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2678.507839][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2678.507839][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2678.507839][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2678.507839][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2678.507839][   T10]      vfs_write+0x9e5/0x10a0
[ 2678.507839][   T10]      ksys_write+0xf5/0x1e0
[ 2678.507839][   T10]      do_syscall_64+0xc6/0x1e0
[ 2678.507839][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2678.507839][   T10] 
[ 2678.509733][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2678.509733][   T10]      netdev_get_by_index+0x5e/0x80
[ 2678.509733][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2678.509733][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2678.509733][   T10]      ip6_route_add+0x1c/0x140
[ 2678.509733][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2678.509733][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2678.509733][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2678.509733][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2678.509733][   T10]      netlink_rcv_skb+0x130/0x360
[ 2678.509733][   T10]      netlink_unicast+0x449/0x710
[ 2678.509733][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2678.509733][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2678.509733][   T10]      ___sys_sendmsg+0xee/0x170
[ 2678.509733][   T10]      __sys_sendmsg+0xcd/0x170
[ 2678.509733][   T10]      do_syscall_64+0xc6/0x1e0
[ 2678.509733][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2678.509733][   T10] 
[ 2678.511773][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2678.511773][   T10]      netdev_get_by_index+0x5e/0x80
[ 2678.511773][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2678.511773][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2678.511773][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2678.511773][   T10]      ipv6_add_addr+0x411/0x2000
[ 2678.511773][   T10]      inet6_addr_add+0x30e/0xa40
[ 2678.511773][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2678.511773][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2678.511773][   T10]      netlink_rcv_skb+0x130/0x360
[ 2678.511773][   T10]      netlink_unicast+0x449/0x710
[ 2678.511773][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2678.511773][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2678.511773][   T10]      ___sys_sendmsg+0xee/0x170
[ 2678.511773][   T10]      __sys_sendmsg+0xcd/0x170
[ 2678.511773][   T10]      do_syscall_64+0xc6/0x1e0
[ 2678.511773][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2678.511773][   T10] 
[ 2678.513861][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2678.513861][   T10]      netdev_get_by_index+0x5e/0x80
[ 2678.513861][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2678.513861][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2678.513861][   T10]      ip6_route_add+0x1c/0x140
[ 2678.513861][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2678.513861][   T10]      addrconf_add_dev+0xe2/0x170
[ 2678.513861][   T10]      inet6_addr_add+0x12f/0xa40
[ 2678.513861][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2678.513861][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2678.513861][   T10]      netlink_rcv_skb+0x130/0x360
[ 2678.513861][   T10]      netlink_unicast+0x449/0x710
[ 2678.513861][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2678.513861][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2678.513861][   T10]      ___sys_sendmsg+0xee/0x170
[ 2678.513861][   T10]      __sys_sendmsg+0xcd/0x170
[ 2678.513861][   T10]      do_syscall_64+0xc6/0x1e0
[ 2678.513861][   T10] 
[ 2678.515837][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2678.515837][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2678.515837][   T10]      ipv6_find_idev+0x102/0x170
[ 2678.515837][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2678.515837][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2678.515837][   T10]      netlink_rcv_skb+0x130/0x360
[ 2678.515837][   T10]      netlink_unicast+0x449/0x710
[ 2678.515837][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2678.515837][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2678.515837][   T10]      ___sys_sendmsg+0xee/0x170
[ 2678.515837][   T10]      __sys_sendmsg+0xcd/0x170
[ 2678.515837][   T10]      do_syscall_64+0xc6/0x1e0
[ 2678.515837][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2678.515837][   T10] 
[ 2678.517354][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2678.517354][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2678.517354][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2678.517354][   T10]      ipv6_find_idev+0x102/0x170
[ 2678.517354][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2678.517354][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2678.517354][   T10]      netlink_rcv_skb+0x130/0x360
[ 2678.517354][   T10]      netlink_unicast+0x449/0x710
[ 2678.517354][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2678.517354][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2678.517354][   T10]      ___sys_sendmsg+0xee/0x170
[ 2678.517354][   T10]      __sys_sendmsg+0xcd/0x170
[ 2678.517354][   T10]      do_syscall_64+0xc6/0x1e0
[ 2678.517354][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2678.517354][   T10] 
[ 2688.759879][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2688.760395][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2688.760395][   T10]      dst_init+0x84/0x4a0
[ 2688.760395][   T10]      dst_alloc+0x97/0x150
[ 2688.760395][   T10]      ip6_dst_alloc+0x23/0x90
[ 2688.760395][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2688.760395][   T10]      ip6_pol_route+0x56f/0x840
[ 2688.760395][   T10]      fib6_rule_lookup+0x456/0x630
[ 2688.760395][   T10]      ip6_route_input+0x59c/0xa50
[ 2688.760395][   T10]      ipv6_rcv+0x397/0x810
[ 2688.760395][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2688.760395][   T10]      process_backlog+0x101/0x620
[ 2688.760395][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2688.760395][   T10]      net_rx_action+0x495/0xbe0
[ 2688.760395][   T10]      __do_softirq+0x1b5/0x7f6
[ 2688.760395][   T10] 
[ 2688.762077][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2688.762077][   T10]      netdev_get_by_index+0x5e/0x80
[ 2688.762077][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2688.762077][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2688.762077][   T10]      ip6_route_add+0x1c/0x140
[ 2688.762077][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2688.762077][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2688.762077][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2688.762077][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2688.762077][   T10]      netlink_rcv_skb+0x130/0x360
[ 2688.762077][   T10]      netlink_unicast+0x449/0x710
[ 2688.762077][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2688.762077][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2688.762077][   T10]      ___sys_sendmsg+0xee/0x170
[ 2688.762077][   T10]      __sys_sendmsg+0xcd/0x170
[ 2688.762077][   T10]      do_syscall_64+0xc6/0x1e0
[ 2688.762077][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2688.762077][   T10] 
[ 2688.764162][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2688.764162][   T10]      netdev_get_by_index+0x5e/0x80
[ 2688.764162][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2688.764162][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2688.764162][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2688.764162][   T10]      ipv6_add_addr+0x411/0x2000
[ 2688.764162][   T10]      inet6_addr_add+0x30e/0xa40
[ 2688.764162][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2688.764162][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2688.764162][   T10]      netlink_rcv_skb+0x130/0x360
[ 2688.764162][   T10]      netlink_unicast+0x449/0x710
[ 2688.764162][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2688.764162][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2688.764162][   T10]      ___sys_sendmsg+0xee/0x170
[ 2688.764162][   T10]      __sys_sendmsg+0xcd/0x170
[ 2688.764162][   T10]      do_syscall_64+0xc6/0x1e0
[ 2688.764162][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2688.764162][   T10] 
[ 2688.766162][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2688.766162][   T10]      netdev_get_by_index+0x5e/0x80
[ 2688.766162][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2688.766162][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2688.766162][   T10]      ip6_route_add+0x1c/0x140
[ 2688.766162][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2688.766162][   T10]      addrconf_add_dev+0xe2/0x170
[ 2688.766162][   T10]      inet6_addr_add+0x12f/0xa40
[ 2688.766162][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2688.766162][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2688.766162][   T10]      netlink_rcv_skb+0x130/0x360
[ 2688.766162][   T10]      netlink_unicast+0x449/0x710
[ 2688.766162][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2688.766162][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2688.766162][   T10]      ___sys_sendmsg+0xee/0x170
[ 2688.766162][   T10]      __sys_sendmsg+0xcd/0x170
[ 2688.766162][   T10]      do_syscall_64+0xc6/0x1e0
[ 2688.766162][   T10] 
[ 2688.768120][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2688.768120][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2688.768120][   T10]      ipv6_find_idev+0x102/0x170
[ 2688.768120][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2688.768120][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2688.768120][   T10]      netlink_rcv_skb+0x130/0x360
[ 2688.768120][   T10]      netlink_unicast+0x449/0x710
[ 2688.768120][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2688.768120][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2688.768120][   T10]      ___sys_sendmsg+0xee/0x170
[ 2688.768120][   T10]      __sys_sendmsg+0xcd/0x170
[ 2688.768120][   T10]      do_syscall_64+0xc6/0x1e0
[ 2688.768120][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2688.768120][   T10] 
[ 2688.769627][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2688.769627][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2688.769627][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2688.769627][   T10]      ipv6_find_idev+0x102/0x170
[ 2688.769627][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2688.769627][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2688.769627][   T10]      netlink_rcv_skb+0x130/0x360
[ 2688.769627][   T10]      netlink_unicast+0x449/0x710
[ 2688.769627][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2688.769627][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2688.769627][   T10]      ___sys_sendmsg+0xee/0x170
[ 2688.769627][   T10]      __sys_sendmsg+0xcd/0x170
[ 2688.769627][   T10]      do_syscall_64+0xc6/0x1e0
[ 2688.769627][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2688.769627][   T10] 
[ 2688.771245][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2688.771498][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2688.771498][   T10]      netdev_get_by_index+0x5e/0x80
[ 2688.771498][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2688.771498][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2688.771498][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2688.771498][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2688.771498][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2688.771498][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2688.771498][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2688.771498][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2688.771498][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2688.771498][   T10]      vfs_write+0x9e5/0x10a0
[ 2688.771498][   T10]      ksys_write+0xf5/0x1e0
[ 2688.771498][   T10]      do_syscall_64+0xc6/0x1e0
[ 2688.771498][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2688.771498][   T10] 
[ 2688.773354][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2688.773354][   T10]      netdev_get_by_index+0x5e/0x80
[ 2688.773354][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2688.773354][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2688.773354][   T10]      ip6_route_add+0x1c/0x140
[ 2688.773354][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2688.773354][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2688.773354][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2688.773354][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2688.773354][   T10]      netlink_rcv_skb+0x130/0x360
[ 2688.773354][   T10]      netlink_unicast+0x449/0x710
[ 2688.773354][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2688.773354][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2688.773354][   T10]      ___sys_sendmsg+0xee/0x170
[ 2688.773354][   T10]      __sys_sendmsg+0xcd/0x170
[ 2688.773354][   T10]      do_syscall_64+0xc6/0x1e0
[ 2688.773354][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2688.773354][   T10] 
[ 2688.775258][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2688.775258][   T10]      netdev_get_by_index+0x5e/0x80
[ 2688.775258][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2688.775258][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2688.775258][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2688.775258][   T10]      ipv6_add_addr+0x411/0x2000
[ 2688.775258][   T10]      inet6_addr_add+0x30e/0xa40
[ 2688.775258][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2688.775258][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2688.775258][   T10]      netlink_rcv_skb+0x130/0x360
[ 2688.775258][   T10]      netlink_unicast+0x449/0x710
[ 2688.775258][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2688.775258][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2688.775258][   T10]      ___sys_sendmsg+0xee/0x170
[ 2688.775258][   T10]      __sys_sendmsg+0xcd/0x170
[ 2688.775258][   T10]      do_syscall_64+0xc6/0x1e0
[ 2688.775258][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2688.775258][   T10] 
[ 2688.777221][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2688.777221][   T10]      netdev_get_by_index+0x5e/0x80
[ 2688.777221][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2688.777221][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2688.777221][   T10]      ip6_route_add+0x1c/0x140
[ 2688.777221][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2688.777221][   T10]      addrconf_add_dev+0xe2/0x170
[ 2688.777221][   T10]      inet6_addr_add+0x12f/0xa40
[ 2688.777221][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2688.777221][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2688.777221][   T10]      netlink_rcv_skb+0x130/0x360
[ 2688.777221][   T10]      netlink_unicast+0x449/0x710
[ 2688.777221][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2688.777221][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2688.777221][   T10]      ___sys_sendmsg+0xee/0x170
[ 2688.777221][   T10]      __sys_sendmsg+0xcd/0x170
[ 2688.777221][   T10]      do_syscall_64+0xc6/0x1e0
[ 2688.777221][   T10] 
[ 2688.779238][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2688.779238][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2688.779238][   T10]      ipv6_find_idev+0x102/0x170
[ 2688.779238][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2688.779238][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2688.779238][   T10]      netlink_rcv_skb+0x130/0x360
[ 2688.779238][   T10]      netlink_unicast+0x449/0x710
[ 2688.779238][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2688.779238][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2688.779238][   T10]      ___sys_sendmsg+0xee/0x170
[ 2688.779238][   T10]      __sys_sendmsg+0xcd/0x170
[ 2688.779238][   T10]      do_syscall_64+0xc6/0x1e0
[ 2688.779238][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2688.779238][   T10] 
[ 2688.780673][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2688.780673][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2688.780673][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2688.780673][   T10]      ipv6_find_idev+0x102/0x170
[ 2688.780673][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2688.780673][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2688.780673][   T10]      netlink_rcv_skb+0x130/0x360
[ 2688.780673][   T10]      netlink_unicast+0x449/0x710
[ 2688.780673][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2688.780673][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2688.780673][   T10]      ___sys_sendmsg+0xee/0x170
[ 2688.780673][   T10]      __sys_sendmsg+0xcd/0x170
[ 2688.780673][   T10]      do_syscall_64+0xc6/0x1e0
[ 2688.780673][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2688.780673][   T10] 
[ 2699.023870][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2699.024548][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2699.024548][   T10]      dst_init+0x84/0x4a0
[ 2699.024548][   T10]      dst_alloc+0x97/0x150
[ 2699.024548][   T10]      ip6_dst_alloc+0x23/0x90
[ 2699.024548][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2699.024548][   T10]      ip6_pol_route+0x56f/0x840
[ 2699.024548][   T10]      fib6_rule_lookup+0x456/0x630
[ 2699.024548][   T10]      ip6_route_input+0x59c/0xa50
[ 2699.024548][   T10]      ipv6_rcv+0x397/0x810
[ 2699.024548][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2699.024548][   T10]      process_backlog+0x101/0x620
[ 2699.024548][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2699.024548][   T10]      net_rx_action+0x495/0xbe0
[ 2699.024548][   T10]      __do_softirq+0x1b5/0x7f6
[ 2699.024548][   T10] 
[ 2699.026155][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2699.026155][   T10]      netdev_get_by_index+0x5e/0x80
[ 2699.026155][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2699.026155][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2699.026155][   T10]      ip6_route_add+0x1c/0x140
[ 2699.026155][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2699.026155][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2699.026155][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2699.026155][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2699.026155][   T10]      netlink_rcv_skb+0x130/0x360
[ 2699.026155][   T10]      netlink_unicast+0x449/0x710
[ 2699.026155][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2699.026155][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2699.026155][   T10]      ___sys_sendmsg+0xee/0x170
[ 2699.026155][   T10]      __sys_sendmsg+0xcd/0x170
[ 2699.026155][   T10]      do_syscall_64+0xc6/0x1e0
[ 2699.026155][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2699.026155][   T10] 
[ 2699.028086][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2699.028086][   T10]      netdev_get_by_index+0x5e/0x80
[ 2699.028086][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2699.028086][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2699.028086][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2699.028086][   T10]      ipv6_add_addr+0x411/0x2000
[ 2699.028086][   T10]      inet6_addr_add+0x30e/0xa40
[ 2699.028086][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2699.028086][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2699.028086][   T10]      netlink_rcv_skb+0x130/0x360
[ 2699.028086][   T10]      netlink_unicast+0x449/0x710
[ 2699.028086][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2699.028086][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2699.028086][   T10]      ___sys_sendmsg+0xee/0x170
[ 2699.028086][   T10]      __sys_sendmsg+0xcd/0x170
[ 2699.028086][   T10]      do_syscall_64+0xc6/0x1e0
[ 2699.028086][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2699.028086][   T10] 
[ 2699.030168][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2699.030168][   T10]      netdev_get_by_index+0x5e/0x80
[ 2699.030168][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2699.030168][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2699.030168][   T10]      ip6_route_add+0x1c/0x140
[ 2699.030168][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2699.030168][   T10]      addrconf_add_dev+0xe2/0x170
[ 2699.030168][   T10]      inet6_addr_add+0x12f/0xa40
[ 2699.030168][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2699.030168][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2699.030168][   T10]      netlink_rcv_skb+0x130/0x360
[ 2699.030168][   T10]      netlink_unicast+0x449/0x710
[ 2699.030168][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2699.030168][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2699.030168][   T10]      ___sys_sendmsg+0xee/0x170
[ 2699.030168][   T10]      __sys_sendmsg+0xcd/0x170
[ 2699.030168][   T10]      do_syscall_64+0xc6/0x1e0
[ 2699.030168][   T10] 
[ 2699.032234][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2699.032234][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2699.032234][   T10]      ipv6_find_idev+0x102/0x170
[ 2699.032234][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2699.032234][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2699.032234][   T10]      netlink_rcv_skb+0x130/0x360
[ 2699.032234][   T10]      netlink_unicast+0x449/0x710
[ 2699.032234][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2699.032234][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2699.032234][   T10]      ___sys_sendmsg+0xee/0x170
[ 2699.032234][   T10]      __sys_sendmsg+0xcd/0x170
[ 2699.032234][   T10]      do_syscall_64+0xc6/0x1e0
[ 2699.032234][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2699.032234][   T10] 
[ 2699.033834][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2699.033834][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2699.033834][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2699.033834][   T10]      ipv6_find_idev+0x102/0x170
[ 2699.033834][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2699.033834][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2699.033834][   T10]      netlink_rcv_skb+0x130/0x360
[ 2699.033834][   T10]      netlink_unicast+0x449/0x710
[ 2699.033834][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2699.033834][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2699.033834][   T10]      ___sys_sendmsg+0xee/0x170
[ 2699.033834][   T10]      __sys_sendmsg+0xcd/0x170
[ 2699.033834][   T10]      do_syscall_64+0xc6/0x1e0
[ 2699.033834][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2699.033834][   T10] 
[ 2699.035595][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2699.035868][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2699.035868][   T10]      netdev_get_by_index+0x5e/0x80
[ 2699.035868][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2699.035868][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2699.035868][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2699.035868][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2699.035868][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2699.035868][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2699.035868][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2699.035868][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2699.035868][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2699.035868][   T10]      vfs_write+0x9e5/0x10a0
[ 2699.035868][   T10]      ksys_write+0xf5/0x1e0
[ 2699.035868][   T10]      do_syscall_64+0xc6/0x1e0
[ 2699.035868][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2699.035868][   T10] 
[ 2699.037760][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2699.037760][   T10]      netdev_get_by_index+0x5e/0x80
[ 2699.037760][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2699.037760][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2699.037760][   T10]      ip6_route_add+0x1c/0x140
[ 2699.037760][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2699.037760][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2699.037760][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2699.037760][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2699.037760][   T10]      netlink_rcv_skb+0x130/0x360
[ 2699.037760][   T10]      netlink_unicast+0x449/0x710
[ 2699.037760][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2699.037760][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2699.037760][   T10]      ___sys_sendmsg+0xee/0x170
[ 2699.037760][   T10]      __sys_sendmsg+0xcd/0x170
[ 2699.037760][   T10]      do_syscall_64+0xc6/0x1e0
[ 2699.037760][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2699.037760][   T10] 
[ 2699.039778][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2699.039778][   T10]      netdev_get_by_index+0x5e/0x80
[ 2699.039778][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2699.039778][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2699.039778][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2699.039778][   T10]      ipv6_add_addr+0x411/0x2000
[ 2699.039778][   T10]      inet6_addr_add+0x30e/0xa40
[ 2699.039778][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2699.039778][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2699.039778][   T10]      netlink_rcv_skb+0x130/0x360
[ 2699.039778][   T10]      netlink_unicast+0x449/0x710
[ 2699.039778][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2699.039778][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2699.039778][   T10]      ___sys_sendmsg+0xee/0x170
[ 2699.039778][   T10]      __sys_sendmsg+0xcd/0x170
[ 2699.039778][   T10]      do_syscall_64+0xc6/0x1e0
[ 2699.039778][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2699.039778][   T10] 
[ 2699.041783][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2699.041783][   T10]      netdev_get_by_index+0x5e/0x80
[ 2699.041783][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2699.041783][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2699.041783][   T10]      ip6_route_add+0x1c/0x140
[ 2699.041783][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2699.041783][   T10]      addrconf_add_dev+0xe2/0x170
[ 2699.041783][   T10]      inet6_addr_add+0x12f/0xa40
[ 2699.041783][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2699.041783][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2699.041783][   T10]      netlink_rcv_skb+0x130/0x360
[ 2699.041783][   T10]      netlink_unicast+0x449/0x710
[ 2699.041783][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2699.041783][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2699.041783][   T10]      ___sys_sendmsg+0xee/0x170
[ 2699.041783][   T10]      __sys_sendmsg+0xcd/0x170
[ 2699.041783][   T10]      do_syscall_64+0xc6/0x1e0
[ 2699.041783][   T10] 
[ 2699.043839][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2699.043839][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2699.043839][   T10]      ipv6_find_idev+0x102/0x170
[ 2699.043839][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2699.043839][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2699.043839][   T10]      netlink_rcv_skb+0x130/0x360
[ 2699.043839][   T10]      netlink_unicast+0x449/0x710
[ 2699.043839][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2699.043839][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2699.043839][   T10]      ___sys_sendmsg+0xee/0x170
[ 2699.043839][   T10]      __sys_sendmsg+0xcd/0x170
[ 2699.043839][   T10]      do_syscall_64+0xc6/0x1e0
[ 2699.043839][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2699.043839][   T10] 
[ 2699.045472][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2699.045472][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2699.045472][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2699.045472][   T10]      ipv6_find_idev+0x102/0x170
[ 2699.045472][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2699.045472][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2699.045472][   T10]      netlink_rcv_skb+0x130/0x360
[ 2699.045472][   T10]      netlink_unicast+0x449/0x710
[ 2699.045472][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2699.045472][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2699.045472][   T10]      ___sys_sendmsg+0xee/0x170
[ 2699.045472][   T10]      __sys_sendmsg+0xcd/0x170
[ 2699.045472][   T10]      do_syscall_64+0xc6/0x1e0
[ 2699.045472][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2699.045472][   T10] 
[ 2709.239811][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2709.240288][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2709.240288][   T10]      dst_init+0x84/0x4a0
[ 2709.240288][   T10]      dst_alloc+0x97/0x150
[ 2709.240288][   T10]      ip6_dst_alloc+0x23/0x90
[ 2709.240288][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2709.240288][   T10]      ip6_pol_route+0x56f/0x840
[ 2709.240288][   T10]      fib6_rule_lookup+0x456/0x630
[ 2709.240288][   T10]      ip6_route_input+0x59c/0xa50
[ 2709.240288][   T10]      ipv6_rcv+0x397/0x810
[ 2709.240288][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2709.240288][   T10]      process_backlog+0x101/0x620
[ 2709.240288][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2709.240288][   T10]      net_rx_action+0x495/0xbe0
[ 2709.240288][   T10]      __do_softirq+0x1b5/0x7f6
[ 2709.240288][   T10] 
[ 2709.242069][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2709.242069][   T10]      netdev_get_by_index+0x5e/0x80
[ 2709.242069][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2709.242069][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2709.242069][   T10]      ip6_route_add+0x1c/0x140
[ 2709.242069][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2709.242069][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2709.242069][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2709.242069][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2709.242069][   T10]      netlink_rcv_skb+0x130/0x360
[ 2709.242069][   T10]      netlink_unicast+0x449/0x710
[ 2709.242069][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2709.242069][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2709.242069][   T10]      ___sys_sendmsg+0xee/0x170
[ 2709.242069][   T10]      __sys_sendmsg+0xcd/0x170
[ 2709.242069][   T10]      do_syscall_64+0xc6/0x1e0
[ 2709.242069][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2709.242069][   T10] 
[ 2709.244114][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2709.244114][   T10]      netdev_get_by_index+0x5e/0x80
[ 2709.244114][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2709.244114][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2709.244114][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2709.244114][   T10]      ipv6_add_addr+0x411/0x2000
[ 2709.244114][   T10]      inet6_addr_add+0x30e/0xa40
[ 2709.244114][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2709.244114][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2709.244114][   T10]      netlink_rcv_skb+0x130/0x360
[ 2709.244114][   T10]      netlink_unicast+0x449/0x710
[ 2709.244114][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2709.244114][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2709.244114][   T10]      ___sys_sendmsg+0xee/0x170
[ 2709.244114][   T10]      __sys_sendmsg+0xcd/0x170
[ 2709.244114][   T10]      do_syscall_64+0xc6/0x1e0
[ 2709.244114][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2709.244114][   T10] 
[ 2709.246132][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2709.246132][   T10]      netdev_get_by_index+0x5e/0x80
[ 2709.246132][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2709.246132][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2709.246132][   T10]      ip6_route_add+0x1c/0x140
[ 2709.246132][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2709.246132][   T10]      addrconf_add_dev+0xe2/0x170
[ 2709.246132][   T10]      inet6_addr_add+0x12f/0xa40
[ 2709.246132][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2709.246132][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2709.246132][   T10]      netlink_rcv_skb+0x130/0x360
[ 2709.246132][   T10]      netlink_unicast+0x449/0x710
[ 2709.246132][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2709.246132][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2709.246132][   T10]      ___sys_sendmsg+0xee/0x170
[ 2709.246132][   T10]      __sys_sendmsg+0xcd/0x170
[ 2709.246132][   T10]      do_syscall_64+0xc6/0x1e0
[ 2709.246132][   T10] 
[ 2709.248151][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2709.248151][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2709.248151][   T10]      ipv6_find_idev+0x102/0x170
[ 2709.248151][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2709.248151][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2709.248151][   T10]      netlink_rcv_skb+0x130/0x360
[ 2709.248151][   T10]      netlink_unicast+0x449/0x710
[ 2709.248151][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2709.248151][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2709.248151][   T10]      ___sys_sendmsg+0xee/0x170
[ 2709.248151][   T10]      __sys_sendmsg+0xcd/0x170
[ 2709.248151][   T10]      do_syscall_64+0xc6/0x1e0
[ 2709.248151][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2709.248151][   T10] 
[ 2709.249721][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2709.249721][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2709.249721][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2709.249721][   T10]      ipv6_find_idev+0x102/0x170
[ 2709.249721][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2709.249721][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2709.249721][   T10]      netlink_rcv_skb+0x130/0x360
[ 2709.249721][   T10]      netlink_unicast+0x449/0x710
[ 2709.249721][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2709.249721][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2709.249721][   T10]      ___sys_sendmsg+0xee/0x170
[ 2709.249721][   T10]      __sys_sendmsg+0xcd/0x170
[ 2709.249721][   T10]      do_syscall_64+0xc6/0x1e0
[ 2709.249721][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2709.249721][   T10] 
[ 2709.251479][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2709.251738][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2709.251738][   T10]      netdev_get_by_index+0x5e/0x80
[ 2709.251738][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2709.251738][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2709.251738][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2709.251738][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2709.251738][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2709.251738][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2709.251738][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2709.251738][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2709.251738][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2709.251738][   T10]      vfs_write+0x9e5/0x10a0
[ 2709.251738][   T10]      ksys_write+0xf5/0x1e0
[ 2709.251738][   T10]      do_syscall_64+0xc6/0x1e0
[ 2709.251738][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2709.251738][   T10] 
[ 2709.253606][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2709.253606][   T10]      netdev_get_by_index+0x5e/0x80
[ 2709.253606][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2709.253606][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2709.253606][   T10]      ip6_route_add+0x1c/0x140
[ 2709.253606][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2709.253606][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2709.253606][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2709.253606][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2709.253606][   T10]      netlink_rcv_skb+0x130/0x360
[ 2709.253606][   T10]      netlink_unicast+0x449/0x710
[ 2709.253606][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2709.253606][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2709.253606][   T10]      ___sys_sendmsg+0xee/0x170
[ 2709.253606][   T10]      __sys_sendmsg+0xcd/0x170
[ 2709.253606][   T10]      do_syscall_64+0xc6/0x1e0
[ 2709.253606][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2709.253606][   T10] 
[ 2709.255645][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2709.255645][   T10]      netdev_get_by_index+0x5e/0x80
[ 2709.255645][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2709.255645][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2709.255645][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2709.255645][   T10]      ipv6_add_addr+0x411/0x2000
[ 2709.255645][   T10]      inet6_addr_add+0x30e/0xa40
[ 2709.255645][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2709.255645][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2709.255645][   T10]      netlink_rcv_skb+0x130/0x360
[ 2709.255645][   T10]      netlink_unicast+0x449/0x710
[ 2709.255645][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2709.255645][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2709.255645][   T10]      ___sys_sendmsg+0xee/0x170
[ 2709.255645][   T10]      __sys_sendmsg+0xcd/0x170
[ 2709.255645][   T10]      do_syscall_64+0xc6/0x1e0
[ 2709.255645][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2709.255645][   T10] 
[ 2709.257627][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2709.257627][   T10]      netdev_get_by_index+0x5e/0x80
[ 2709.257627][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2709.257627][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2709.257627][   T10]      ip6_route_add+0x1c/0x140
[ 2709.257627][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2709.257627][   T10]      addrconf_add_dev+0xe2/0x170
[ 2709.257627][   T10]      inet6_addr_add+0x12f/0xa40
[ 2709.257627][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2709.257627][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2709.257627][   T10]      netlink_rcv_skb+0x130/0x360
[ 2709.257627][   T10]      netlink_unicast+0x449/0x710
[ 2709.257627][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2709.257627][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2709.257627][   T10]      ___sys_sendmsg+0xee/0x170
[ 2709.257627][   T10]      __sys_sendmsg+0xcd/0x170
[ 2709.257627][   T10]      do_syscall_64+0xc6/0x1e0
[ 2709.257627][   T10] 
[ 2709.259556][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2709.259556][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2709.259556][   T10]      ipv6_find_idev+0x102/0x170
[ 2709.259556][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2709.259556][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2709.259556][   T10]      netlink_rcv_skb+0x130/0x360
[ 2709.259556][   T10]      netlink_unicast+0x449/0x710
[ 2709.259556][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2709.259556][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2709.259556][   T10]      ___sys_sendmsg+0xee/0x170
[ 2709.259556][   T10]      __sys_sendmsg+0xcd/0x170
[ 2709.259556][   T10]      do_syscall_64+0xc6/0x1e0
[ 2709.259556][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2709.259556][   T10] 
[ 2709.261077][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2709.261077][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2709.261077][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2709.261077][   T10]      ipv6_find_idev+0x102/0x170
[ 2709.261077][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2709.261077][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2709.261077][   T10]      netlink_rcv_skb+0x130/0x360
[ 2709.261077][   T10]      netlink_unicast+0x449/0x710
[ 2709.261077][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2709.261077][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2709.261077][   T10]      ___sys_sendmsg+0xee/0x170
[ 2709.261077][   T10]      __sys_sendmsg+0xcd/0x170
[ 2709.261077][   T10]      do_syscall_64+0xc6/0x1e0
[ 2709.261077][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2709.261077][   T10] 
[ 2719.503798][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2719.504259][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2719.504259][   T10]      dst_init+0x84/0x4a0
[ 2719.504259][   T10]      dst_alloc+0x97/0x150
[ 2719.504259][   T10]      ip6_dst_alloc+0x23/0x90
[ 2719.504259][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2719.504259][   T10]      ip6_pol_route+0x56f/0x840
[ 2719.504259][   T10]      fib6_rule_lookup+0x456/0x630
[ 2719.504259][   T10]      ip6_route_input+0x59c/0xa50
[ 2719.504259][   T10]      ipv6_rcv+0x397/0x810
[ 2719.504259][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2719.504259][   T10]      process_backlog+0x101/0x620
[ 2719.504259][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2719.504259][   T10]      net_rx_action+0x495/0xbe0
[ 2719.504259][   T10]      __do_softirq+0x1b5/0x7f6
[ 2719.504259][   T10] 
[ 2719.505946][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2719.505946][   T10]      netdev_get_by_index+0x5e/0x80
[ 2719.505946][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2719.505946][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2719.505946][   T10]      ip6_route_add+0x1c/0x140
[ 2719.505946][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2719.505946][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2719.505946][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2719.505946][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2719.505946][   T10]      netlink_rcv_skb+0x130/0x360
[ 2719.505946][   T10]      netlink_unicast+0x449/0x710
[ 2719.505946][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2719.505946][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2719.505946][   T10]      ___sys_sendmsg+0xee/0x170
[ 2719.505946][   T10]      __sys_sendmsg+0xcd/0x170
[ 2719.505946][   T10]      do_syscall_64+0xc6/0x1e0
[ 2719.505946][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2719.505946][   T10] 
[ 2719.507996][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2719.507996][   T10]      netdev_get_by_index+0x5e/0x80
[ 2719.507996][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2719.507996][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2719.507996][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2719.507996][   T10]      ipv6_add_addr+0x411/0x2000
[ 2719.507996][   T10]      inet6_addr_add+0x30e/0xa40
[ 2719.507996][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2719.507996][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2719.507996][   T10]      netlink_rcv_skb+0x130/0x360
[ 2719.507996][   T10]      netlink_unicast+0x449/0x710
[ 2719.507996][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2719.507996][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2719.507996][   T10]      ___sys_sendmsg+0xee/0x170
[ 2719.507996][   T10]      __sys_sendmsg+0xcd/0x170
[ 2719.507996][   T10]      do_syscall_64+0xc6/0x1e0
[ 2719.507996][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2719.507996][   T10] 
[ 2719.510023][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2719.510023][   T10]      netdev_get_by_index+0x5e/0x80
[ 2719.510023][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2719.510023][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2719.510023][   T10]      ip6_route_add+0x1c/0x140
[ 2719.510023][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2719.510023][   T10]      addrconf_add_dev+0xe2/0x170
[ 2719.510023][   T10]      inet6_addr_add+0x12f/0xa40
[ 2719.510023][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2719.510023][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2719.510023][   T10]      netlink_rcv_skb+0x130/0x360
[ 2719.510023][   T10]      netlink_unicast+0x449/0x710
[ 2719.510023][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2719.510023][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2719.510023][   T10]      ___sys_sendmsg+0xee/0x170
[ 2719.510023][   T10]      __sys_sendmsg+0xcd/0x170
[ 2719.510023][   T10]      do_syscall_64+0xc6/0x1e0
[ 2719.510023][   T10] 
[ 2719.512074][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2719.512074][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2719.512074][   T10]      ipv6_find_idev+0x102/0x170
[ 2719.512074][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2719.512074][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2719.512074][   T10]      netlink_rcv_skb+0x130/0x360
[ 2719.512074][   T10]      netlink_unicast+0x449/0x710
[ 2719.512074][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2719.512074][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2719.512074][   T10]      ___sys_sendmsg+0xee/0x170
[ 2719.512074][   T10]      __sys_sendmsg+0xcd/0x170
[ 2719.512074][   T10]      do_syscall_64+0xc6/0x1e0
[ 2719.512074][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2719.512074][   T10] 
[ 2719.513631][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2719.513631][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2719.513631][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2719.513631][   T10]      ipv6_find_idev+0x102/0x170
[ 2719.513631][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2719.513631][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2719.513631][   T10]      netlink_rcv_skb+0x130/0x360
[ 2719.513631][   T10]      netlink_unicast+0x449/0x710
[ 2719.513631][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2719.513631][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2719.513631][   T10]      ___sys_sendmsg+0xee/0x170
[ 2719.513631][   T10]      __sys_sendmsg+0xcd/0x170
[ 2719.513631][   T10]      do_syscall_64+0xc6/0x1e0
[ 2719.513631][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2719.513631][   T10] 
[ 2719.515322][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2719.515567][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2719.515567][   T10]      netdev_get_by_index+0x5e/0x80
[ 2719.515567][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2719.515567][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2719.515567][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2719.515567][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2719.515567][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2719.515567][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2719.515567][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2719.515567][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2719.515567][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2719.515567][   T10]      vfs_write+0x9e5/0x10a0
[ 2719.515567][   T10]      ksys_write+0xf5/0x1e0
[ 2719.515567][   T10]      do_syscall_64+0xc6/0x1e0
[ 2719.515567][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2719.515567][   T10] 
[ 2719.517389][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2719.517389][   T10]      netdev_get_by_index+0x5e/0x80
[ 2719.517389][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2719.517389][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2719.517389][   T10]      ip6_route_add+0x1c/0x140
[ 2719.517389][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2719.517389][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2719.517389][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2719.517389][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2719.517389][   T10]      netlink_rcv_skb+0x130/0x360
[ 2719.517389][   T10]      netlink_unicast+0x449/0x710
[ 2719.517389][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2719.517389][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2719.517389][   T10]      ___sys_sendmsg+0xee/0x170
[ 2719.517389][   T10]      __sys_sendmsg+0xcd/0x170
[ 2719.517389][   T10]      do_syscall_64+0xc6/0x1e0
[ 2719.517389][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2719.517389][   T10] 
[ 2719.519351][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2719.519351][   T10]      netdev_get_by_index+0x5e/0x80
[ 2719.519351][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2719.519351][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2719.519351][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2719.519351][   T10]      ipv6_add_addr+0x411/0x2000
[ 2719.519351][   T10]      inet6_addr_add+0x30e/0xa40
[ 2719.519351][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2719.519351][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2719.519351][   T10]      netlink_rcv_skb+0x130/0x360
[ 2719.519351][   T10]      netlink_unicast+0x449/0x710
[ 2719.519351][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2719.519351][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2719.519351][   T10]      ___sys_sendmsg+0xee/0x170
[ 2719.519351][   T10]      __sys_sendmsg+0xcd/0x170
[ 2719.519351][   T10]      do_syscall_64+0xc6/0x1e0
[ 2719.519351][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2719.519351][   T10] 
[ 2719.521321][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2719.521321][   T10]      netdev_get_by_index+0x5e/0x80
[ 2719.521321][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2719.521321][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2719.521321][   T10]      ip6_route_add+0x1c/0x140
[ 2719.521321][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2719.521321][   T10]      addrconf_add_dev+0xe2/0x170
[ 2719.521321][   T10]      inet6_addr_add+0x12f/0xa40
[ 2719.521321][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2719.521321][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2719.521321][   T10]      netlink_rcv_skb+0x130/0x360
[ 2719.521321][   T10]      netlink_unicast+0x449/0x710
[ 2719.521321][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2719.521321][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2719.521321][   T10]      ___sys_sendmsg+0xee/0x170
[ 2719.521321][   T10]      __sys_sendmsg+0xcd/0x170
[ 2719.521321][   T10]      do_syscall_64+0xc6/0x1e0
[ 2719.521321][   T10] 
[ 2719.523279][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2719.523279][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2719.523279][   T10]      ipv6_find_idev+0x102/0x170
[ 2719.523279][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2719.523279][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2719.523279][   T10]      netlink_rcv_skb+0x130/0x360
[ 2719.523279][   T10]      netlink_unicast+0x449/0x710
[ 2719.523279][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2719.523279][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2719.523279][   T10]      ___sys_sendmsg+0xee/0x170
[ 2719.523279][   T10]      __sys_sendmsg+0xcd/0x170
[ 2719.523279][   T10]      do_syscall_64+0xc6/0x1e0
[ 2719.523279][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2719.523279][   T10] 
[ 2719.524824][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2719.524824][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2719.524824][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2719.524824][   T10]      ipv6_find_idev+0x102/0x170
[ 2719.524824][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2719.524824][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2719.524824][   T10]      netlink_rcv_skb+0x130/0x360
[ 2719.524824][   T10]      netlink_unicast+0x449/0x710
[ 2719.524824][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2719.524824][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2719.524824][   T10]      ___sys_sendmsg+0xee/0x170
[ 2719.524824][   T10]      __sys_sendmsg+0xcd/0x170
[ 2719.524824][   T10]      do_syscall_64+0xc6/0x1e0
[ 2719.524824][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2719.524824][   T10] 
[ 2729.767819][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2729.768257][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2729.768257][   T10]      dst_init+0x84/0x4a0
[ 2729.768257][   T10]      dst_alloc+0x97/0x150
[ 2729.768257][   T10]      ip6_dst_alloc+0x23/0x90
[ 2729.768257][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2729.768257][   T10]      ip6_pol_route+0x56f/0x840
[ 2729.768257][   T10]      fib6_rule_lookup+0x456/0x630
[ 2729.768257][   T10]      ip6_route_input+0x59c/0xa50
[ 2729.768257][   T10]      ipv6_rcv+0x397/0x810
[ 2729.768257][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2729.768257][   T10]      process_backlog+0x101/0x620
[ 2729.768257][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2729.768257][   T10]      net_rx_action+0x495/0xbe0
[ 2729.768257][   T10]      __do_softirq+0x1b5/0x7f6
[ 2729.768257][   T10] 
[ 2729.769934][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2729.769934][   T10]      netdev_get_by_index+0x5e/0x80
[ 2729.769934][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2729.769934][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2729.769934][   T10]      ip6_route_add+0x1c/0x140
[ 2729.769934][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2729.769934][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2729.769934][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2729.769934][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2729.769934][   T10]      netlink_rcv_skb+0x130/0x360
[ 2729.769934][   T10]      netlink_unicast+0x449/0x710
[ 2729.769934][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2729.769934][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2729.769934][   T10]      ___sys_sendmsg+0xee/0x170
[ 2729.769934][   T10]      __sys_sendmsg+0xcd/0x170
[ 2729.769934][   T10]      do_syscall_64+0xc6/0x1e0
[ 2729.769934][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2729.769934][   T10] 
[ 2729.772040][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2729.772040][   T10]      netdev_get_by_index+0x5e/0x80
[ 2729.772040][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2729.772040][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2729.772040][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2729.772040][   T10]      ipv6_add_addr+0x411/0x2000
[ 2729.772040][   T10]      inet6_addr_add+0x30e/0xa40
[ 2729.772040][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2729.772040][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2729.772040][   T10]      netlink_rcv_skb+0x130/0x360
[ 2729.772040][   T10]      netlink_unicast+0x449/0x710
[ 2729.772040][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2729.772040][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2729.772040][   T10]      ___sys_sendmsg+0xee/0x170
[ 2729.772040][   T10]      __sys_sendmsg+0xcd/0x170
[ 2729.772040][   T10]      do_syscall_64+0xc6/0x1e0
[ 2729.772040][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2729.772040][   T10] 
[ 2729.774123][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2729.774123][   T10]      netdev_get_by_index+0x5e/0x80
[ 2729.774123][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2729.774123][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2729.774123][   T10]      ip6_route_add+0x1c/0x140
[ 2729.774123][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2729.774123][   T10]      addrconf_add_dev+0xe2/0x170
[ 2729.774123][   T10]      inet6_addr_add+0x12f/0xa40
[ 2729.774123][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2729.774123][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2729.774123][   T10]      netlink_rcv_skb+0x130/0x360
[ 2729.774123][   T10]      netlink_unicast+0x449/0x710
[ 2729.774123][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2729.774123][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2729.774123][   T10]      ___sys_sendmsg+0xee/0x170
[ 2729.774123][   T10]      __sys_sendmsg+0xcd/0x170
[ 2729.774123][   T10]      do_syscall_64+0xc6/0x1e0
[ 2729.774123][   T10] 
[ 2729.776150][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2729.776150][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2729.776150][   T10]      ipv6_find_idev+0x102/0x170
[ 2729.776150][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2729.776150][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2729.776150][   T10]      netlink_rcv_skb+0x130/0x360
[ 2729.776150][   T10]      netlink_unicast+0x449/0x710
[ 2729.776150][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2729.776150][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2729.776150][   T10]      ___sys_sendmsg+0xee/0x170
[ 2729.776150][   T10]      __sys_sendmsg+0xcd/0x170
[ 2729.776150][   T10]      do_syscall_64+0xc6/0x1e0
[ 2729.776150][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2729.776150][   T10] 
[ 2729.777725][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2729.777725][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2729.777725][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2729.777725][   T10]      ipv6_find_idev+0x102/0x170
[ 2729.777725][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2729.777725][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2729.777725][   T10]      netlink_rcv_skb+0x130/0x360
[ 2729.777725][   T10]      netlink_unicast+0x449/0x710
[ 2729.777725][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2729.777725][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2729.777725][   T10]      ___sys_sendmsg+0xee/0x170
[ 2729.777725][   T10]      __sys_sendmsg+0xcd/0x170
[ 2729.777725][   T10]      do_syscall_64+0xc6/0x1e0
[ 2729.777725][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2729.777725][   T10] 
[ 2729.779453][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2729.779705][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2729.779705][   T10]      netdev_get_by_index+0x5e/0x80
[ 2729.779705][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2729.779705][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2729.779705][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2729.779705][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2729.779705][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2729.779705][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2729.779705][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2729.779705][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2729.779705][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2729.779705][   T10]      vfs_write+0x9e5/0x10a0
[ 2729.779705][   T10]      ksys_write+0xf5/0x1e0
[ 2729.779705][   T10]      do_syscall_64+0xc6/0x1e0
[ 2729.779705][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2729.779705][   T10] 
[ 2729.781578][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2729.781578][   T10]      netdev_get_by_index+0x5e/0x80
[ 2729.781578][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2729.781578][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2729.781578][   T10]      ip6_route_add+0x1c/0x140
[ 2729.781578][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2729.781578][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2729.781578][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2729.781578][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2729.781578][   T10]      netlink_rcv_skb+0x130/0x360
[ 2729.781578][   T10]      netlink_unicast+0x449/0x710
[ 2729.781578][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2729.781578][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2729.781578][   T10]      ___sys_sendmsg+0xee/0x170
[ 2729.781578][   T10]      __sys_sendmsg+0xcd/0x170
[ 2729.781578][   T10]      do_syscall_64+0xc6/0x1e0
[ 2729.781578][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2729.781578][   T10] 
[ 2729.783623][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2729.783623][   T10]      netdev_get_by_index+0x5e/0x80
[ 2729.783623][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2729.783623][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2729.783623][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2729.783623][   T10]      ipv6_add_addr+0x411/0x2000
[ 2729.783623][   T10]      inet6_addr_add+0x30e/0xa40
[ 2729.783623][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2729.783623][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2729.783623][   T10]      netlink_rcv_skb+0x130/0x360
[ 2729.783623][   T10]      netlink_unicast+0x449/0x710
[ 2729.783623][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2729.783623][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2729.783623][   T10]      ___sys_sendmsg+0xee/0x170
[ 2729.783623][   T10]      __sys_sendmsg+0xcd/0x170
[ 2729.783623][   T10]      do_syscall_64+0xc6/0x1e0
[ 2729.783623][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2729.783623][   T10] 
[ 2729.785672][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2729.785672][   T10]      netdev_get_by_index+0x5e/0x80
[ 2729.785672][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2729.785672][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2729.785672][   T10]      ip6_route_add+0x1c/0x140
[ 2729.785672][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2729.785672][   T10]      addrconf_add_dev+0xe2/0x170
[ 2729.785672][   T10]      inet6_addr_add+0x12f/0xa40
[ 2729.785672][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2729.785672][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2729.785672][   T10]      netlink_rcv_skb+0x130/0x360
[ 2729.785672][   T10]      netlink_unicast+0x449/0x710
[ 2729.785672][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2729.785672][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2729.785672][   T10]      ___sys_sendmsg+0xee/0x170
[ 2729.785672][   T10]      __sys_sendmsg+0xcd/0x170
[ 2729.785672][   T10]      do_syscall_64+0xc6/0x1e0
[ 2729.785672][   T10] 
[ 2729.787689][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2729.787689][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2729.787689][   T10]      ipv6_find_idev+0x102/0x170
[ 2729.787689][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2729.787689][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2729.787689][   T10]      netlink_rcv_skb+0x130/0x360
[ 2729.787689][   T10]      netlink_unicast+0x449/0x710
[ 2729.787689][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2729.787689][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2729.787689][   T10]      ___sys_sendmsg+0xee/0x170
[ 2729.787689][   T10]      __sys_sendmsg+0xcd/0x170
[ 2729.787689][   T10]      do_syscall_64+0xc6/0x1e0
[ 2729.787689][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2729.787689][   T10] 
[ 2729.789259][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2729.789259][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2729.789259][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2729.789259][   T10]      ipv6_find_idev+0x102/0x170
[ 2729.789259][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2729.789259][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2729.789259][   T10]      netlink_rcv_skb+0x130/0x360
[ 2729.789259][   T10]      netlink_unicast+0x449/0x710
[ 2729.789259][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2729.789259][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2729.789259][   T10]      ___sys_sendmsg+0xee/0x170
[ 2729.789259][   T10]      __sys_sendmsg+0xcd/0x170
[ 2729.789259][   T10]      do_syscall_64+0xc6/0x1e0
[ 2729.789259][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2729.789259][   T10] 
[ 2740.031827][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2740.032280][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2740.032280][   T10]      dst_init+0x84/0x4a0
[ 2740.032280][   T10]      dst_alloc+0x97/0x150
[ 2740.032280][   T10]      ip6_dst_alloc+0x23/0x90
[ 2740.032280][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2740.032280][   T10]      ip6_pol_route+0x56f/0x840
[ 2740.032280][   T10]      fib6_rule_lookup+0x456/0x630
[ 2740.032280][   T10]      ip6_route_input+0x59c/0xa50
[ 2740.032280][   T10]      ipv6_rcv+0x397/0x810
[ 2740.032280][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2740.032280][   T10]      process_backlog+0x101/0x620
[ 2740.032280][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2740.032280][   T10]      net_rx_action+0x495/0xbe0
[ 2740.032280][   T10]      __do_softirq+0x1b5/0x7f6
[ 2740.032280][   T10] 
[ 2740.033984][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2740.033984][   T10]      netdev_get_by_index+0x5e/0x80
[ 2740.033984][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2740.033984][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2740.033984][   T10]      ip6_route_add+0x1c/0x140
[ 2740.033984][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2740.033984][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2740.033984][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2740.033984][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2740.033984][   T10]      netlink_rcv_skb+0x130/0x360
[ 2740.033984][   T10]      netlink_unicast+0x449/0x710
[ 2740.033984][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2740.033984][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2740.033984][   T10]      ___sys_sendmsg+0xee/0x170
[ 2740.033984][   T10]      __sys_sendmsg+0xcd/0x170
[ 2740.033984][   T10]      do_syscall_64+0xc6/0x1e0
[ 2740.033984][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2740.033984][   T10] 
[ 2740.036051][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2740.036051][   T10]      netdev_get_by_index+0x5e/0x80
[ 2740.036051][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2740.036051][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2740.036051][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2740.036051][   T10]      ipv6_add_addr+0x411/0x2000
[ 2740.036051][   T10]      inet6_addr_add+0x30e/0xa40
[ 2740.036051][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2740.036051][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2740.036051][   T10]      netlink_rcv_skb+0x130/0x360
[ 2740.036051][   T10]      netlink_unicast+0x449/0x710
[ 2740.036051][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2740.036051][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2740.036051][   T10]      ___sys_sendmsg+0xee/0x170
[ 2740.036051][   T10]      __sys_sendmsg+0xcd/0x170
[ 2740.036051][   T10]      do_syscall_64+0xc6/0x1e0
[ 2740.036051][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2740.036051][   T10] 
[ 2740.038101][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2740.038101][   T10]      netdev_get_by_index+0x5e/0x80
[ 2740.038101][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2740.038101][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2740.038101][   T10]      ip6_route_add+0x1c/0x140
[ 2740.038101][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2740.038101][   T10]      addrconf_add_dev+0xe2/0x170
[ 2740.038101][   T10]      inet6_addr_add+0x12f/0xa40
[ 2740.038101][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2740.038101][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2740.038101][   T10]      netlink_rcv_skb+0x130/0x360
[ 2740.038101][   T10]      netlink_unicast+0x449/0x710
[ 2740.038101][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2740.038101][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2740.038101][   T10]      ___sys_sendmsg+0xee/0x170
[ 2740.038101][   T10]      __sys_sendmsg+0xcd/0x170
[ 2740.038101][   T10]      do_syscall_64+0xc6/0x1e0
[ 2740.038101][   T10] 
[ 2740.040106][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2740.040106][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2740.040106][   T10]      ipv6_find_idev+0x102/0x170
[ 2740.040106][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2740.040106][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2740.040106][   T10]      netlink_rcv_skb+0x130/0x360
[ 2740.040106][   T10]      netlink_unicast+0x449/0x710
[ 2740.040106][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2740.040106][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2740.040106][   T10]      ___sys_sendmsg+0xee/0x170
[ 2740.040106][   T10]      __sys_sendmsg+0xcd/0x170
[ 2740.040106][   T10]      do_syscall_64+0xc6/0x1e0
[ 2740.040106][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2740.040106][   T10] 
[ 2740.041682][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2740.041682][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2740.041682][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2740.041682][   T10]      ipv6_find_idev+0x102/0x170
[ 2740.041682][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2740.041682][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2740.041682][   T10]      netlink_rcv_skb+0x130/0x360
[ 2740.041682][   T10]      netlink_unicast+0x449/0x710
[ 2740.041682][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2740.041682][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2740.041682][   T10]      ___sys_sendmsg+0xee/0x170
[ 2740.041682][   T10]      __sys_sendmsg+0xcd/0x170
[ 2740.041682][   T10]      do_syscall_64+0xc6/0x1e0
[ 2740.041682][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2740.041682][   T10] 
[ 2740.043434][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2740.043686][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2740.043686][   T10]      netdev_get_by_index+0x5e/0x80
[ 2740.043686][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2740.043686][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2740.043686][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2740.043686][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2740.043686][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2740.043686][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2740.043686][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2740.043686][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2740.043686][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2740.043686][   T10]      vfs_write+0x9e5/0x10a0
[ 2740.043686][   T10]      ksys_write+0xf5/0x1e0
[ 2740.043686][   T10]      do_syscall_64+0xc6/0x1e0
[ 2740.043686][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2740.043686][   T10] 
[ 2740.045558][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2740.045558][   T10]      netdev_get_by_index+0x5e/0x80
[ 2740.045558][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2740.045558][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2740.045558][   T10]      ip6_route_add+0x1c/0x140
[ 2740.045558][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2740.045558][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2740.045558][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2740.045558][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2740.045558][   T10]      netlink_rcv_skb+0x130/0x360
[ 2740.045558][   T10]      netlink_unicast+0x449/0x710
[ 2740.045558][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2740.045558][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2740.045558][   T10]      ___sys_sendmsg+0xee/0x170
[ 2740.045558][   T10]      __sys_sendmsg+0xcd/0x170
[ 2740.045558][   T10]      do_syscall_64+0xc6/0x1e0
[ 2740.045558][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2740.045558][   T10] 
[ 2740.047598][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2740.047598][   T10]      netdev_get_by_index+0x5e/0x80
[ 2740.047598][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2740.047598][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2740.047598][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2740.047598][   T10]      ipv6_add_addr+0x411/0x2000
[ 2740.047598][   T10]      inet6_addr_add+0x30e/0xa40
[ 2740.047598][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2740.047598][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2740.047598][   T10]      netlink_rcv_skb+0x130/0x360
[ 2740.047598][   T10]      netlink_unicast+0x449/0x710
[ 2740.047598][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2740.047598][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2740.047598][   T10]      ___sys_sendmsg+0xee/0x170
[ 2740.047598][   T10]      __sys_sendmsg+0xcd/0x170
[ 2740.047598][   T10]      do_syscall_64+0xc6/0x1e0
[ 2740.047598][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2740.047598][   T10] 
[ 2740.049653][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2740.049653][   T10]      netdev_get_by_index+0x5e/0x80
[ 2740.049653][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2740.049653][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2740.049653][   T10]      ip6_route_add+0x1c/0x140
[ 2740.049653][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2740.049653][   T10]      addrconf_add_dev+0xe2/0x170
[ 2740.049653][   T10]      inet6_addr_add+0x12f/0xa40
[ 2740.049653][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2740.049653][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2740.049653][   T10]      netlink_rcv_skb+0x130/0x360
[ 2740.049653][   T10]      netlink_unicast+0x449/0x710
[ 2740.049653][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2740.049653][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2740.049653][   T10]      ___sys_sendmsg+0xee/0x170
[ 2740.049653][   T10]      __sys_sendmsg+0xcd/0x170
[ 2740.049653][   T10]      do_syscall_64+0xc6/0x1e0
[ 2740.049653][   T10] 
[ 2740.051666][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2740.051666][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2740.051666][   T10]      ipv6_find_idev+0x102/0x170
[ 2740.051666][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2740.051666][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2740.051666][   T10]      netlink_rcv_skb+0x130/0x360
[ 2740.051666][   T10]      netlink_unicast+0x449/0x710
[ 2740.051666][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2740.051666][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2740.051666][   T10]      ___sys_sendmsg+0xee/0x170
[ 2740.051666][   T10]      __sys_sendmsg+0xcd/0x170
[ 2740.051666][   T10]      do_syscall_64+0xc6/0x1e0
[ 2740.051666][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2740.051666][   T10] 
[ 2740.053269][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2740.053269][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2740.053269][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2740.053269][   T10]      ipv6_find_idev+0x102/0x170
[ 2740.053269][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2740.053269][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2740.053269][   T10]      netlink_rcv_skb+0x130/0x360
[ 2740.053269][   T10]      netlink_unicast+0x449/0x710
[ 2740.053269][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2740.053269][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2740.053269][   T10]      ___sys_sendmsg+0xee/0x170
[ 2740.053269][   T10]      __sys_sendmsg+0xcd/0x170
[ 2740.053269][   T10]      do_syscall_64+0xc6/0x1e0
[ 2740.053269][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2740.053269][   T10] 
[ 2750.295810][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2750.296293][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2750.296293][   T10]      dst_init+0x84/0x4a0
[ 2750.296293][   T10]      dst_alloc+0x97/0x150
[ 2750.296293][   T10]      ip6_dst_alloc+0x23/0x90
[ 2750.296293][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2750.296293][   T10]      ip6_pol_route+0x56f/0x840
[ 2750.296293][   T10]      fib6_rule_lookup+0x456/0x630
[ 2750.296293][   T10]      ip6_route_input+0x59c/0xa50
[ 2750.296293][   T10]      ipv6_rcv+0x397/0x810
[ 2750.296293][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2750.296293][   T10]      process_backlog+0x101/0x620
[ 2750.296293][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2750.296293][   T10]      net_rx_action+0x495/0xbe0
[ 2750.296293][   T10]      __do_softirq+0x1b5/0x7f6
[ 2750.296293][   T10] 
[ 2750.297992][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2750.297992][   T10]      netdev_get_by_index+0x5e/0x80
[ 2750.297992][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2750.297992][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2750.297992][   T10]      ip6_route_add+0x1c/0x140
[ 2750.297992][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2750.297992][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2750.297992][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2750.297992][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2750.297992][   T10]      netlink_rcv_skb+0x130/0x360
[ 2750.297992][   T10]      netlink_unicast+0x449/0x710
[ 2750.297992][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2750.297992][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2750.297992][   T10]      ___sys_sendmsg+0xee/0x170
[ 2750.297992][   T10]      __sys_sendmsg+0xcd/0x170
[ 2750.297992][   T10]      do_syscall_64+0xc6/0x1e0
[ 2750.297992][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2750.297992][   T10] 
[ 2750.300045][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2750.300045][   T10]      netdev_get_by_index+0x5e/0x80
[ 2750.300045][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2750.300045][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2750.300045][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2750.300045][   T10]      ipv6_add_addr+0x411/0x2000
[ 2750.300045][   T10]      inet6_addr_add+0x30e/0xa40
[ 2750.300045][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2750.300045][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2750.300045][   T10]      netlink_rcv_skb+0x130/0x360
[ 2750.300045][   T10]      netlink_unicast+0x449/0x710
[ 2750.300045][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2750.300045][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2750.300045][   T10]      ___sys_sendmsg+0xee/0x170
[ 2750.300045][   T10]      __sys_sendmsg+0xcd/0x170
[ 2750.300045][   T10]      do_syscall_64+0xc6/0x1e0
[ 2750.300045][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2750.300045][   T10] 
[ 2750.302091][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2750.302091][   T10]      netdev_get_by_index+0x5e/0x80
[ 2750.302091][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2750.302091][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2750.302091][   T10]      ip6_route_add+0x1c/0x140
[ 2750.302091][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2750.302091][   T10]      addrconf_add_dev+0xe2/0x170
[ 2750.302091][   T10]      inet6_addr_add+0x12f/0xa40
[ 2750.302091][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2750.302091][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2750.302091][   T10]      netlink_rcv_skb+0x130/0x360
[ 2750.302091][   T10]      netlink_unicast+0x449/0x710
[ 2750.302091][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2750.302091][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2750.302091][   T10]      ___sys_sendmsg+0xee/0x170
[ 2750.302091][   T10]      __sys_sendmsg+0xcd/0x170
[ 2750.302091][   T10]      do_syscall_64+0xc6/0x1e0
[ 2750.302091][   T10] 
[ 2750.304083][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2750.304083][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2750.304083][   T10]      ipv6_find_idev+0x102/0x170
[ 2750.304083][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2750.304083][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2750.304083][   T10]      netlink_rcv_skb+0x130/0x360
[ 2750.304083][   T10]      netlink_unicast+0x449/0x710
[ 2750.304083][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2750.304083][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2750.304083][   T10]      ___sys_sendmsg+0xee/0x170
[ 2750.304083][   T10]      __sys_sendmsg+0xcd/0x170
[ 2750.304083][   T10]      do_syscall_64+0xc6/0x1e0
[ 2750.304083][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2750.304083][   T10] 
[ 2750.305637][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2750.305637][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2750.305637][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2750.305637][   T10]      ipv6_find_idev+0x102/0x170
[ 2750.305637][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2750.305637][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2750.305637][   T10]      netlink_rcv_skb+0x130/0x360
[ 2750.305637][   T10]      netlink_unicast+0x449/0x710
[ 2750.305637][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2750.305637][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2750.305637][   T10]      ___sys_sendmsg+0xee/0x170
[ 2750.305637][   T10]      __sys_sendmsg+0xcd/0x170
[ 2750.305637][   T10]      do_syscall_64+0xc6/0x1e0
[ 2750.305637][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2750.305637][   T10] 
[ 2750.307401][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2750.307660][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2750.307660][   T10]      netdev_get_by_index+0x5e/0x80
[ 2750.307660][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2750.307660][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2750.307660][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2750.307660][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2750.307660][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2750.307660][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2750.307660][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2750.307660][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2750.307660][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2750.307660][   T10]      vfs_write+0x9e5/0x10a0
[ 2750.307660][   T10]      ksys_write+0xf5/0x1e0
[ 2750.307660][   T10]      do_syscall_64+0xc6/0x1e0
[ 2750.307660][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2750.307660][   T10] 
[ 2750.309499][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2750.309499][   T10]      netdev_get_by_index+0x5e/0x80
[ 2750.309499][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2750.309499][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2750.309499][   T10]      ip6_route_add+0x1c/0x140
[ 2750.309499][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2750.309499][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2750.309499][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2750.309499][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2750.309499][   T10]      netlink_rcv_skb+0x130/0x360
[ 2750.309499][   T10]      netlink_unicast+0x449/0x710
[ 2750.309499][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2750.309499][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2750.309499][   T10]      ___sys_sendmsg+0xee/0x170
[ 2750.309499][   T10]      __sys_sendmsg+0xcd/0x170
[ 2750.309499][   T10]      do_syscall_64+0xc6/0x1e0
[ 2750.309499][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2750.309499][   T10] 
[ 2750.311494][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2750.311494][   T10]      netdev_get_by_index+0x5e/0x80
[ 2750.311494][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2750.311494][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2750.311494][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2750.311494][   T10]      ipv6_add_addr+0x411/0x2000
[ 2750.311494][   T10]      inet6_addr_add+0x30e/0xa40
[ 2750.311494][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2750.311494][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2750.311494][   T10]      netlink_rcv_skb+0x130/0x360
[ 2750.311494][   T10]      netlink_unicast+0x449/0x710
[ 2750.311494][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2750.311494][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2750.311494][   T10]      ___sys_sendmsg+0xee/0x170
[ 2750.311494][   T10]      __sys_sendmsg+0xcd/0x170
[ 2750.311494][   T10]      do_syscall_64+0xc6/0x1e0
[ 2750.311494][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2750.311494][   T10] 
[ 2750.313527][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2750.313527][   T10]      netdev_get_by_index+0x5e/0x80
[ 2750.313527][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2750.313527][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2750.313527][   T10]      ip6_route_add+0x1c/0x140
[ 2750.313527][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2750.313527][   T10]      addrconf_add_dev+0xe2/0x170
[ 2750.313527][   T10]      inet6_addr_add+0x12f/0xa40
[ 2750.313527][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2750.313527][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2750.313527][   T10]      netlink_rcv_skb+0x130/0x360
[ 2750.313527][   T10]      netlink_unicast+0x449/0x710
[ 2750.313527][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2750.313527][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2750.313527][   T10]      ___sys_sendmsg+0xee/0x170
[ 2750.313527][   T10]      __sys_sendmsg+0xcd/0x170
[ 2750.313527][   T10]      do_syscall_64+0xc6/0x1e0
[ 2750.313527][   T10] 
[ 2750.315453][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2750.315453][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2750.315453][   T10]      ipv6_find_idev+0x102/0x170
[ 2750.315453][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2750.315453][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2750.315453][   T10]      netlink_rcv_skb+0x130/0x360
[ 2750.315453][   T10]      netlink_unicast+0x449/0x710
[ 2750.315453][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2750.315453][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2750.315453][   T10]      ___sys_sendmsg+0xee/0x170
[ 2750.315453][   T10]      __sys_sendmsg+0xcd/0x170
[ 2750.315453][   T10]      do_syscall_64+0xc6/0x1e0
[ 2750.315453][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2750.315453][   T10] 
[ 2750.316999][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2750.316999][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2750.316999][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2750.316999][   T10]      ipv6_find_idev+0x102/0x170
[ 2750.316999][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2750.316999][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2750.316999][   T10]      netlink_rcv_skb+0x130/0x360
[ 2750.316999][   T10]      netlink_unicast+0x449/0x710
[ 2750.316999][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2750.316999][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2750.316999][   T10]      ___sys_sendmsg+0xee/0x170
[ 2750.316999][   T10]      __sys_sendmsg+0xcd/0x170
[ 2750.316999][   T10]      do_syscall_64+0xc6/0x1e0
[ 2750.316999][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2750.316999][   T10] 
[ 2760.455958][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2760.457029][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2760.457029][   T10]      dst_init+0x84/0x4a0
[ 2760.457029][   T10]      dst_alloc+0x97/0x150
[ 2760.457029][   T10]      ip6_dst_alloc+0x23/0x90
[ 2760.457029][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2760.457029][   T10]      ip6_pol_route+0x56f/0x840
[ 2760.457029][   T10]      fib6_rule_lookup+0x456/0x630
[ 2760.457029][   T10]      ip6_route_input+0x59c/0xa50
[ 2760.457029][   T10]      ipv6_rcv+0x397/0x810
[ 2760.457029][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2760.457029][   T10]      process_backlog+0x101/0x620
[ 2760.457029][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2760.457029][   T10]      net_rx_action+0x495/0xbe0
[ 2760.457029][   T10]      __do_softirq+0x1b5/0x7f6
[ 2760.457029][   T10] 
[ 2760.458660][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2760.458660][   T10]      netdev_get_by_index+0x5e/0x80
[ 2760.458660][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2760.458660][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2760.458660][   T10]      ip6_route_add+0x1c/0x140
[ 2760.458660][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2760.458660][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2760.458660][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2760.458660][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2760.458660][   T10]      netlink_rcv_skb+0x130/0x360
[ 2760.458660][   T10]      netlink_unicast+0x449/0x710
[ 2760.458660][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2760.458660][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2760.458660][   T10]      ___sys_sendmsg+0xee/0x170
[ 2760.458660][   T10]      __sys_sendmsg+0xcd/0x170
[ 2760.458660][   T10]      do_syscall_64+0xc6/0x1e0
[ 2760.458660][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2760.458660][   T10] 
[ 2760.460661][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2760.460661][   T10]      netdev_get_by_index+0x5e/0x80
[ 2760.460661][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2760.460661][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2760.460661][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2760.460661][   T10]      ipv6_add_addr+0x411/0x2000
[ 2760.460661][   T10]      inet6_addr_add+0x30e/0xa40
[ 2760.460661][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2760.460661][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2760.460661][   T10]      netlink_rcv_skb+0x130/0x360
[ 2760.460661][   T10]      netlink_unicast+0x449/0x710
[ 2760.460661][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2760.460661][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2760.460661][   T10]      ___sys_sendmsg+0xee/0x170
[ 2760.460661][   T10]      __sys_sendmsg+0xcd/0x170
[ 2760.460661][   T10]      do_syscall_64+0xc6/0x1e0
[ 2760.460661][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2760.460661][   T10] 
[ 2760.462743][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2760.462743][   T10]      netdev_get_by_index+0x5e/0x80
[ 2760.462743][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2760.462743][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2760.462743][   T10]      ip6_route_add+0x1c/0x140
[ 2760.462743][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2760.462743][   T10]      addrconf_add_dev+0xe2/0x170
[ 2760.462743][   T10]      inet6_addr_add+0x12f/0xa40
[ 2760.462743][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2760.462743][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2760.462743][   T10]      netlink_rcv_skb+0x130/0x360
[ 2760.462743][   T10]      netlink_unicast+0x449/0x710
[ 2760.462743][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2760.462743][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2760.462743][   T10]      ___sys_sendmsg+0xee/0x170
[ 2760.462743][   T10]      __sys_sendmsg+0xcd/0x170
[ 2760.462743][   T10]      do_syscall_64+0xc6/0x1e0
[ 2760.462743][   T10] 
[ 2760.464806][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2760.464806][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2760.464806][   T10]      ipv6_find_idev+0x102/0x170
[ 2760.464806][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2760.464806][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2760.464806][   T10]      netlink_rcv_skb+0x130/0x360
[ 2760.464806][   T10]      netlink_unicast+0x449/0x710
[ 2760.464806][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2760.464806][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2760.464806][   T10]      ___sys_sendmsg+0xee/0x170
[ 2760.464806][   T10]      __sys_sendmsg+0xcd/0x170
[ 2760.464806][   T10]      do_syscall_64+0xc6/0x1e0
[ 2760.464806][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2760.464806][   T10] 
[ 2760.466382][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2760.466382][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2760.466382][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2760.466382][   T10]      ipv6_find_idev+0x102/0x170
[ 2760.466382][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2760.466382][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2760.466382][   T10]      netlink_rcv_skb+0x130/0x360
[ 2760.466382][   T10]      netlink_unicast+0x449/0x710
[ 2760.466382][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2760.466382][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2760.466382][   T10]      ___sys_sendmsg+0xee/0x170
[ 2760.466382][   T10]      __sys_sendmsg+0xcd/0x170
[ 2760.466382][   T10]      do_syscall_64+0xc6/0x1e0
[ 2760.466382][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2760.466382][   T10] 
[ 2760.468168][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2760.468448][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2760.468448][   T10]      netdev_get_by_index+0x5e/0x80
[ 2760.468448][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2760.468448][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2760.468448][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2760.468448][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2760.468448][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2760.468448][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2760.468448][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2760.468448][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2760.468448][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2760.468448][   T10]      vfs_write+0x9e5/0x10a0
[ 2760.468448][   T10]      ksys_write+0xf5/0x1e0
[ 2760.468448][   T10]      do_syscall_64+0xc6/0x1e0
[ 2760.468448][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2760.468448][   T10] 
[ 2760.470342][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2760.470342][   T10]      netdev_get_by_index+0x5e/0x80
[ 2760.470342][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2760.470342][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2760.470342][   T10]      ip6_route_add+0x1c/0x140
[ 2760.470342][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2760.470342][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2760.470342][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2760.470342][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2760.470342][   T10]      netlink_rcv_skb+0x130/0x360
[ 2760.470342][   T10]      netlink_unicast+0x449/0x710
[ 2760.470342][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2760.470342][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2760.470342][   T10]      ___sys_sendmsg+0xee/0x170
[ 2760.470342][   T10]      __sys_sendmsg+0xcd/0x170
[ 2760.470342][   T10]      do_syscall_64+0xc6/0x1e0
[ 2760.470342][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2760.470342][   T10] 
[ 2760.472406][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2760.472406][   T10]      netdev_get_by_index+0x5e/0x80
[ 2760.472406][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2760.472406][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2760.472406][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2760.472406][   T10]      ipv6_add_addr+0x411/0x2000
[ 2760.472406][   T10]      inet6_addr_add+0x30e/0xa40
[ 2760.472406][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2760.472406][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2760.472406][   T10]      netlink_rcv_skb+0x130/0x360
[ 2760.472406][   T10]      netlink_unicast+0x449/0x710
[ 2760.472406][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2760.472406][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2760.472406][   T10]      ___sys_sendmsg+0xee/0x170
[ 2760.472406][   T10]      __sys_sendmsg+0xcd/0x170
[ 2760.472406][   T10]      do_syscall_64+0xc6/0x1e0
[ 2760.472406][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2760.472406][   T10] 
[ 2760.474394][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2760.474394][   T10]      netdev_get_by_index+0x5e/0x80
[ 2760.474394][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2760.474394][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2760.474394][   T10]      ip6_route_add+0x1c/0x140
[ 2760.474394][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2760.474394][   T10]      addrconf_add_dev+0xe2/0x170
[ 2760.474394][   T10]      inet6_addr_add+0x12f/0xa40
[ 2760.474394][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2760.474394][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2760.474394][   T10]      netlink_rcv_skb+0x130/0x360
[ 2760.474394][   T10]      netlink_unicast+0x449/0x710
[ 2760.474394][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2760.474394][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2760.474394][   T10]      ___sys_sendmsg+0xee/0x170
[ 2760.474394][   T10]      __sys_sendmsg+0xcd/0x170
[ 2760.474394][   T10]      do_syscall_64+0xc6/0x1e0
[ 2760.474394][   T10] 
[ 2760.476364][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2760.476364][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2760.476364][   T10]      ipv6_find_idev+0x102/0x170
[ 2760.476364][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2760.476364][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2760.476364][   T10]      netlink_rcv_skb+0x130/0x360
[ 2760.476364][   T10]      netlink_unicast+0x449/0x710
[ 2760.476364][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2760.476364][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2760.476364][   T10]      ___sys_sendmsg+0xee/0x170
[ 2760.476364][   T10]      __sys_sendmsg+0xcd/0x170
[ 2760.476364][   T10]      do_syscall_64+0xc6/0x1e0
[ 2760.476364][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2760.476364][   T10] 
[ 2760.477904][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2760.477904][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2760.477904][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2760.477904][   T10]      ipv6_find_idev+0x102/0x170
[ 2760.477904][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2760.477904][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2760.477904][   T10]      netlink_rcv_skb+0x130/0x360
[ 2760.477904][   T10]      netlink_unicast+0x449/0x710
[ 2760.477904][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2760.477904][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2760.477904][   T10]      ___sys_sendmsg+0xee/0x170
[ 2760.477904][   T10]      __sys_sendmsg+0xcd/0x170
[ 2760.477904][   T10]      do_syscall_64+0xc6/0x1e0
[ 2760.477904][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2760.477904][   T10] 
[ 2770.735918][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2770.736456][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2770.736456][   T10]      dst_init+0x84/0x4a0
[ 2770.736456][   T10]      dst_alloc+0x97/0x150
[ 2770.736456][   T10]      ip6_dst_alloc+0x23/0x90
[ 2770.736456][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2770.736456][   T10]      ip6_pol_route+0x56f/0x840
[ 2770.736456][   T10]      fib6_rule_lookup+0x456/0x630
[ 2770.736456][   T10]      ip6_route_input+0x59c/0xa50
[ 2770.736456][   T10]      ipv6_rcv+0x397/0x810
[ 2770.736456][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2770.736456][   T10]      process_backlog+0x101/0x620
[ 2770.736456][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2770.736456][   T10]      net_rx_action+0x495/0xbe0
[ 2770.736456][   T10]      __do_softirq+0x1b5/0x7f6
[ 2770.736456][   T10] 
[ 2770.738119][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2770.738119][   T10]      netdev_get_by_index+0x5e/0x80
[ 2770.738119][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2770.738119][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2770.738119][   T10]      ip6_route_add+0x1c/0x140
[ 2770.738119][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2770.738119][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2770.738119][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2770.738119][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2770.738119][   T10]      netlink_rcv_skb+0x130/0x360
[ 2770.738119][   T10]      netlink_unicast+0x449/0x710
[ 2770.738119][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2770.738119][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2770.738119][   T10]      ___sys_sendmsg+0xee/0x170
[ 2770.738119][   T10]      __sys_sendmsg+0xcd/0x170
[ 2770.738119][   T10]      do_syscall_64+0xc6/0x1e0
[ 2770.738119][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2770.738119][   T10] 
[ 2770.740186][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2770.740186][   T10]      netdev_get_by_index+0x5e/0x80
[ 2770.740186][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2770.740186][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2770.740186][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2770.740186][   T10]      ipv6_add_addr+0x411/0x2000
[ 2770.740186][   T10]      inet6_addr_add+0x30e/0xa40
[ 2770.740186][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2770.740186][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2770.740186][   T10]      netlink_rcv_skb+0x130/0x360
[ 2770.740186][   T10]      netlink_unicast+0x449/0x710
[ 2770.740186][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2770.740186][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2770.740186][   T10]      ___sys_sendmsg+0xee/0x170
[ 2770.740186][   T10]      __sys_sendmsg+0xcd/0x170
[ 2770.740186][   T10]      do_syscall_64+0xc6/0x1e0
[ 2770.740186][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2770.740186][   T10] 
[ 2770.742205][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2770.742205][   T10]      netdev_get_by_index+0x5e/0x80
[ 2770.742205][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2770.742205][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2770.742205][   T10]      ip6_route_add+0x1c/0x140
[ 2770.742205][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2770.742205][   T10]      addrconf_add_dev+0xe2/0x170
[ 2770.742205][   T10]      inet6_addr_add+0x12f/0xa40
[ 2770.742205][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2770.742205][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2770.742205][   T10]      netlink_rcv_skb+0x130/0x360
[ 2770.742205][   T10]      netlink_unicast+0x449/0x710
[ 2770.742205][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2770.742205][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2770.742205][   T10]      ___sys_sendmsg+0xee/0x170
[ 2770.742205][   T10]      __sys_sendmsg+0xcd/0x170
[ 2770.742205][   T10]      do_syscall_64+0xc6/0x1e0
[ 2770.742205][   T10] 
[ 2770.744183][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2770.744183][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2770.744183][   T10]      ipv6_find_idev+0x102/0x170
[ 2770.744183][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2770.744183][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2770.744183][   T10]      netlink_rcv_skb+0x130/0x360
[ 2770.744183][   T10]      netlink_unicast+0x449/0x710
[ 2770.744183][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2770.744183][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2770.744183][   T10]      ___sys_sendmsg+0xee/0x170
[ 2770.744183][   T10]      __sys_sendmsg+0xcd/0x170
[ 2770.744183][   T10]      do_syscall_64+0xc6/0x1e0
[ 2770.744183][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2770.744183][   T10] 
[ 2770.745726][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2770.745726][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2770.745726][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2770.745726][   T10]      ipv6_find_idev+0x102/0x170
[ 2770.745726][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2770.745726][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2770.745726][   T10]      netlink_rcv_skb+0x130/0x360
[ 2770.745726][   T10]      netlink_unicast+0x449/0x710
[ 2770.745726][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2770.745726][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2770.745726][   T10]      ___sys_sendmsg+0xee/0x170
[ 2770.745726][   T10]      __sys_sendmsg+0xcd/0x170
[ 2770.745726][   T10]      do_syscall_64+0xc6/0x1e0
[ 2770.745726][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2770.745726][   T10] 
[ 2770.747465][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2770.747722][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2770.747722][   T10]      netdev_get_by_index+0x5e/0x80
[ 2770.747722][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2770.747722][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2770.747722][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2770.747722][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2770.747722][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2770.747722][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2770.747722][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2770.747722][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2770.747722][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2770.747722][   T10]      vfs_write+0x9e5/0x10a0
[ 2770.747722][   T10]      ksys_write+0xf5/0x1e0
[ 2770.747722][   T10]      do_syscall_64+0xc6/0x1e0
[ 2770.747722][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2770.747722][   T10] 
[ 2770.749606][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2770.749606][   T10]      netdev_get_by_index+0x5e/0x80
[ 2770.749606][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2770.749606][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2770.749606][   T10]      ip6_route_add+0x1c/0x140
[ 2770.749606][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2770.749606][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2770.749606][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2770.749606][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2770.749606][   T10]      netlink_rcv_skb+0x130/0x360
[ 2770.749606][   T10]      netlink_unicast+0x449/0x710
[ 2770.749606][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2770.749606][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2770.749606][   T10]      ___sys_sendmsg+0xee/0x170
[ 2770.749606][   T10]      __sys_sendmsg+0xcd/0x170
[ 2770.749606][   T10]      do_syscall_64+0xc6/0x1e0
[ 2770.749606][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2770.749606][   T10] 
[ 2770.751622][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2770.751622][   T10]      netdev_get_by_index+0x5e/0x80
[ 2770.751622][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2770.751622][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2770.751622][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2770.751622][   T10]      ipv6_add_addr+0x411/0x2000
[ 2770.751622][   T10]      inet6_addr_add+0x30e/0xa40
[ 2770.751622][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2770.751622][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2770.751622][   T10]      netlink_rcv_skb+0x130/0x360
[ 2770.751622][   T10]      netlink_unicast+0x449/0x710
[ 2770.751622][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2770.751622][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2770.751622][   T10]      ___sys_sendmsg+0xee/0x170
[ 2770.751622][   T10]      __sys_sendmsg+0xcd/0x170
[ 2770.751622][   T10]      do_syscall_64+0xc6/0x1e0
[ 2770.751622][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2770.751622][   T10] 
[ 2770.753602][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2770.753602][   T10]      netdev_get_by_index+0x5e/0x80
[ 2770.753602][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2770.753602][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2770.753602][   T10]      ip6_route_add+0x1c/0x140
[ 2770.753602][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2770.753602][   T10]      addrconf_add_dev+0xe2/0x170
[ 2770.753602][   T10]      inet6_addr_add+0x12f/0xa40
[ 2770.753602][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2770.753602][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2770.753602][   T10]      netlink_rcv_skb+0x130/0x360
[ 2770.753602][   T10]      netlink_unicast+0x449/0x710
[ 2770.753602][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2770.753602][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2770.753602][   T10]      ___sys_sendmsg+0xee/0x170
[ 2770.753602][   T10]      __sys_sendmsg+0xcd/0x170
[ 2770.753602][   T10]      do_syscall_64+0xc6/0x1e0
[ 2770.753602][   T10] 
[ 2770.755520][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2770.755520][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2770.755520][   T10]      ipv6_find_idev+0x102/0x170
[ 2770.755520][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2770.755520][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2770.755520][   T10]      netlink_rcv_skb+0x130/0x360
[ 2770.755520][   T10]      netlink_unicast+0x449/0x710
[ 2770.755520][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2770.755520][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2770.755520][   T10]      ___sys_sendmsg+0xee/0x170
[ 2770.755520][   T10]      __sys_sendmsg+0xcd/0x170
[ 2770.755520][   T10]      do_syscall_64+0xc6/0x1e0
[ 2770.755520][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2770.755520][   T10] 
[ 2770.757105][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2770.757105][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2770.757105][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2770.757105][   T10]      ipv6_find_idev+0x102/0x170
[ 2770.757105][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2770.757105][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2770.757105][   T10]      netlink_rcv_skb+0x130/0x360
[ 2770.757105][   T10]      netlink_unicast+0x449/0x710
[ 2770.757105][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2770.757105][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2770.757105][   T10]      ___sys_sendmsg+0xee/0x170
[ 2770.757105][   T10]      __sys_sendmsg+0xcd/0x170
[ 2770.757105][   T10]      do_syscall_64+0xc6/0x1e0
[ 2770.757105][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2770.757105][   T10] 
[ 2780.759795][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2780.760204][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2780.760204][   T10]      dst_init+0x84/0x4a0
[ 2780.760204][   T10]      dst_alloc+0x97/0x150
[ 2780.760204][   T10]      ip6_dst_alloc+0x23/0x90
[ 2780.760204][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2780.760204][   T10]      ip6_pol_route+0x56f/0x840
[ 2780.760204][   T10]      fib6_rule_lookup+0x456/0x630
[ 2780.760204][   T10]      ip6_route_input+0x59c/0xa50
[ 2780.760204][   T10]      ipv6_rcv+0x397/0x810
[ 2780.760204][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2780.760204][   T10]      process_backlog+0x101/0x620
[ 2780.760204][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2780.760204][   T10]      net_rx_action+0x495/0xbe0
[ 2780.760204][   T10]      __do_softirq+0x1b5/0x7f6
[ 2780.760204][   T10] 
[ 2780.761957][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2780.761957][   T10]      netdev_get_by_index+0x5e/0x80
[ 2780.761957][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2780.761957][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2780.761957][   T10]      ip6_route_add+0x1c/0x140
[ 2780.761957][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2780.761957][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2780.761957][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2780.761957][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2780.761957][   T10]      netlink_rcv_skb+0x130/0x360
[ 2780.761957][   T10]      netlink_unicast+0x449/0x710
[ 2780.761957][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2780.761957][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2780.761957][   T10]      ___sys_sendmsg+0xee/0x170
[ 2780.761957][   T10]      __sys_sendmsg+0xcd/0x170
[ 2780.761957][   T10]      do_syscall_64+0xc6/0x1e0
[ 2780.761957][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2780.761957][   T10] 
[ 2780.764050][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2780.764050][   T10]      netdev_get_by_index+0x5e/0x80
[ 2780.764050][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2780.764050][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2780.764050][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2780.764050][   T10]      ipv6_add_addr+0x411/0x2000
[ 2780.764050][   T10]      inet6_addr_add+0x30e/0xa40
[ 2780.764050][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2780.764050][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2780.764050][   T10]      netlink_rcv_skb+0x130/0x360
[ 2780.764050][   T10]      netlink_unicast+0x449/0x710
[ 2780.764050][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2780.764050][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2780.764050][   T10]      ___sys_sendmsg+0xee/0x170
[ 2780.764050][   T10]      __sys_sendmsg+0xcd/0x170
[ 2780.764050][   T10]      do_syscall_64+0xc6/0x1e0
[ 2780.764050][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2780.764050][   T10] 
[ 2780.766115][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2780.766115][   T10]      netdev_get_by_index+0x5e/0x80
[ 2780.766115][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2780.766115][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2780.766115][   T10]      ip6_route_add+0x1c/0x140
[ 2780.766115][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2780.766115][   T10]      addrconf_add_dev+0xe2/0x170
[ 2780.766115][   T10]      inet6_addr_add+0x12f/0xa40
[ 2780.766115][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2780.766115][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2780.766115][   T10]      netlink_rcv_skb+0x130/0x360
[ 2780.766115][   T10]      netlink_unicast+0x449/0x710
[ 2780.766115][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2780.766115][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2780.766115][   T10]      ___sys_sendmsg+0xee/0x170
[ 2780.766115][   T10]      __sys_sendmsg+0xcd/0x170
[ 2780.766115][   T10]      do_syscall_64+0xc6/0x1e0
[ 2780.766115][   T10] 
[ 2780.768146][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2780.768146][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2780.768146][   T10]      ipv6_find_idev+0x102/0x170
[ 2780.768146][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2780.768146][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2780.768146][   T10]      netlink_rcv_skb+0x130/0x360
[ 2780.768146][   T10]      netlink_unicast+0x449/0x710
[ 2780.768146][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2780.768146][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2780.768146][   T10]      ___sys_sendmsg+0xee/0x170
[ 2780.768146][   T10]      __sys_sendmsg+0xcd/0x170
[ 2780.768146][   T10]      do_syscall_64+0xc6/0x1e0
[ 2780.768146][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2780.768146][   T10] 
[ 2780.769751][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2780.769751][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2780.769751][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2780.769751][   T10]      ipv6_find_idev+0x102/0x170
[ 2780.769751][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2780.769751][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2780.769751][   T10]      netlink_rcv_skb+0x130/0x360
[ 2780.769751][   T10]      netlink_unicast+0x449/0x710
[ 2780.769751][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2780.769751][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2780.769751][   T10]      ___sys_sendmsg+0xee/0x170
[ 2780.769751][   T10]      __sys_sendmsg+0xcd/0x170
[ 2780.769751][   T10]      do_syscall_64+0xc6/0x1e0
[ 2780.769751][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2780.769751][   T10] 
[ 2780.771508][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2780.771781][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2780.771781][   T10]      netdev_get_by_index+0x5e/0x80
[ 2780.771781][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2780.771781][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2780.771781][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2780.771781][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2780.771781][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2780.771781][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2780.771781][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2780.771781][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2780.771781][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2780.771781][   T10]      vfs_write+0x9e5/0x10a0
[ 2780.771781][   T10]      ksys_write+0xf5/0x1e0
[ 2780.771781][   T10]      do_syscall_64+0xc6/0x1e0
[ 2780.771781][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2780.771781][   T10] 
[ 2780.773757][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2780.773757][   T10]      netdev_get_by_index+0x5e/0x80
[ 2780.773757][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2780.773757][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2780.773757][   T10]      ip6_route_add+0x1c/0x140
[ 2780.773757][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2780.773757][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2780.773757][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2780.773757][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2780.773757][   T10]      netlink_rcv_skb+0x130/0x360
[ 2780.773757][   T10]      netlink_unicast+0x449/0x710
[ 2780.773757][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2780.773757][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2780.773757][   T10]      ___sys_sendmsg+0xee/0x170
[ 2780.773757][   T10]      __sys_sendmsg+0xcd/0x170
[ 2780.773757][   T10]      do_syscall_64+0xc6/0x1e0
[ 2780.773757][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2780.773757][   T10] 
[ 2780.775806][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2780.775806][   T10]      netdev_get_by_index+0x5e/0x80
[ 2780.775806][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2780.775806][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2780.775806][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2780.775806][   T10]      ipv6_add_addr+0x411/0x2000
[ 2780.775806][   T10]      inet6_addr_add+0x30e/0xa40
[ 2780.775806][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2780.775806][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2780.775806][   T10]      netlink_rcv_skb+0x130/0x360
[ 2780.775806][   T10]      netlink_unicast+0x449/0x710
[ 2780.775806][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2780.775806][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2780.775806][   T10]      ___sys_sendmsg+0xee/0x170
[ 2780.775806][   T10]      __sys_sendmsg+0xcd/0x170
[ 2780.775806][   T10]      do_syscall_64+0xc6/0x1e0
[ 2780.775806][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2780.775806][   T10] 
[ 2780.778136][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2780.778136][   T10]      netdev_get_by_index+0x5e/0x80
[ 2780.778136][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2780.778136][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2780.778136][   T10]      ip6_route_add+0x1c/0x140
[ 2780.778136][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2780.778136][   T10]      addrconf_add_dev+0xe2/0x170
[ 2780.778136][   T10]      inet6_addr_add+0x12f/0xa40
[ 2780.778136][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2780.778136][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2780.778136][   T10]      netlink_rcv_skb+0x130/0x360
[ 2780.778136][   T10]      netlink_unicast+0x449/0x710
[ 2780.778136][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2780.778136][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2780.778136][   T10]      ___sys_sendmsg+0xee/0x170
[ 2780.778136][   T10]      __sys_sendmsg+0xcd/0x170
[ 2780.778136][   T10]      do_syscall_64+0xc6/0x1e0
[ 2780.778136][   T10] 
[ 2780.780286][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2780.780286][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2780.780286][   T10]      ipv6_find_idev+0x102/0x170
[ 2780.780286][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2780.780286][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2780.780286][   T10]      netlink_rcv_skb+0x130/0x360
[ 2780.780286][   T10]      netlink_unicast+0x449/0x710
[ 2780.780286][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2780.780286][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2780.780286][   T10]      ___sys_sendmsg+0xee/0x170
[ 2780.780286][   T10]      __sys_sendmsg+0xcd/0x170
[ 2780.780286][   T10]      do_syscall_64+0xc6/0x1e0
[ 2780.780286][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2780.780286][   T10] 
[ 2780.782059][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2780.782059][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2780.782059][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2780.782059][   T10]      ipv6_find_idev+0x102/0x170
[ 2780.782059][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2780.782059][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2780.782059][   T10]      netlink_rcv_skb+0x130/0x360
[ 2780.782059][   T10]      netlink_unicast+0x449/0x710
[ 2780.782059][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2780.782059][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2780.782059][   T10]      ___sys_sendmsg+0xee/0x170
[ 2780.782059][   T10]      __sys_sendmsg+0xcd/0x170
[ 2780.782059][   T10]      do_syscall_64+0xc6/0x1e0
[ 2780.782059][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2780.782059][   T10] 
[ 2790.839985][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2790.840500][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2790.840500][   T10]      dst_init+0x84/0x4a0
[ 2790.840500][   T10]      dst_alloc+0x97/0x150
[ 2790.840500][   T10]      ip6_dst_alloc+0x23/0x90
[ 2790.840500][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2790.840500][   T10]      ip6_pol_route+0x56f/0x840
[ 2790.840500][   T10]      fib6_rule_lookup+0x456/0x630
[ 2790.840500][   T10]      ip6_route_input+0x59c/0xa50
[ 2790.840500][   T10]      ipv6_rcv+0x397/0x810
[ 2790.840500][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2790.840500][   T10]      process_backlog+0x101/0x620
[ 2790.840500][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2790.840500][   T10]      net_rx_action+0x495/0xbe0
[ 2790.840500][   T10]      __do_softirq+0x1b5/0x7f6
[ 2790.840500][   T10] 
[ 2790.842144][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2790.842144][   T10]      netdev_get_by_index+0x5e/0x80
[ 2790.842144][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2790.842144][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2790.842144][   T10]      ip6_route_add+0x1c/0x140
[ 2790.842144][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2790.842144][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2790.842144][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2790.842144][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2790.842144][   T10]      netlink_rcv_skb+0x130/0x360
[ 2790.842144][   T10]      netlink_unicast+0x449/0x710
[ 2790.842144][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2790.842144][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2790.842144][   T10]      ___sys_sendmsg+0xee/0x170
[ 2790.842144][   T10]      __sys_sendmsg+0xcd/0x170
[ 2790.842144][   T10]      do_syscall_64+0xc6/0x1e0
[ 2790.842144][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2790.842144][   T10] 
[ 2790.844197][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2790.844197][   T10]      netdev_get_by_index+0x5e/0x80
[ 2790.844197][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2790.844197][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2790.844197][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2790.844197][   T10]      ipv6_add_addr+0x411/0x2000
[ 2790.844197][   T10]      inet6_addr_add+0x30e/0xa40
[ 2790.844197][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2790.844197][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2790.844197][   T10]      netlink_rcv_skb+0x130/0x360
[ 2790.844197][   T10]      netlink_unicast+0x449/0x710
[ 2790.844197][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2790.844197][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2790.844197][   T10]      ___sys_sendmsg+0xee/0x170
[ 2790.844197][   T10]      __sys_sendmsg+0xcd/0x170
[ 2790.844197][   T10]      do_syscall_64+0xc6/0x1e0
[ 2790.844197][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2790.844197][   T10] 
[ 2790.846228][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2790.846228][   T10]      netdev_get_by_index+0x5e/0x80
[ 2790.846228][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2790.846228][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2790.846228][   T10]      ip6_route_add+0x1c/0x140
[ 2790.846228][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2790.846228][   T10]      addrconf_add_dev+0xe2/0x170
[ 2790.846228][   T10]      inet6_addr_add+0x12f/0xa40
[ 2790.846228][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2790.846228][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2790.846228][   T10]      netlink_rcv_skb+0x130/0x360
[ 2790.846228][   T10]      netlink_unicast+0x449/0x710
[ 2790.846228][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2790.846228][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2790.846228][   T10]      ___sys_sendmsg+0xee/0x170
[ 2790.846228][   T10]      __sys_sendmsg+0xcd/0x170
[ 2790.846228][   T10]      do_syscall_64+0xc6/0x1e0
[ 2790.846228][   T10] 
[ 2790.848125][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2790.848125][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2790.848125][   T10]      ipv6_find_idev+0x102/0x170
[ 2790.848125][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2790.848125][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2790.848125][   T10]      netlink_rcv_skb+0x130/0x360
[ 2790.848125][   T10]      netlink_unicast+0x449/0x710
[ 2790.848125][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2790.848125][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2790.848125][   T10]      ___sys_sendmsg+0xee/0x170
[ 2790.848125][   T10]      __sys_sendmsg+0xcd/0x170
[ 2790.848125][   T10]      do_syscall_64+0xc6/0x1e0
[ 2790.848125][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2790.848125][   T10] 
[ 2790.849619][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2790.849619][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2790.849619][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2790.849619][   T10]      ipv6_find_idev+0x102/0x170
[ 2790.849619][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2790.849619][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2790.849619][   T10]      netlink_rcv_skb+0x130/0x360
[ 2790.849619][   T10]      netlink_unicast+0x449/0x710
[ 2790.849619][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2790.849619][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2790.849619][   T10]      ___sys_sendmsg+0xee/0x170
[ 2790.849619][   T10]      __sys_sendmsg+0xcd/0x170
[ 2790.849619][   T10]      do_syscall_64+0xc6/0x1e0
[ 2790.849619][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2790.849619][   T10] 
[ 2790.851385][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2790.851657][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2790.851657][   T10]      netdev_get_by_index+0x5e/0x80
[ 2790.851657][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2790.851657][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2790.851657][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2790.851657][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2790.851657][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2790.851657][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2790.851657][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2790.851657][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2790.851657][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2790.851657][   T10]      vfs_write+0x9e5/0x10a0
[ 2790.851657][   T10]      ksys_write+0xf5/0x1e0
[ 2790.851657][   T10]      do_syscall_64+0xc6/0x1e0
[ 2790.851657][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2790.851657][   T10] 
[ 2790.853537][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2790.853537][   T10]      netdev_get_by_index+0x5e/0x80
[ 2790.853537][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2790.853537][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2790.853537][   T10]      ip6_route_add+0x1c/0x140
[ 2790.853537][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2790.853537][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2790.853537][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2790.853537][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2790.853537][   T10]      netlink_rcv_skb+0x130/0x360
[ 2790.853537][   T10]      netlink_unicast+0x449/0x710
[ 2790.853537][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2790.853537][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2790.853537][   T10]      ___sys_sendmsg+0xee/0x170
[ 2790.853537][   T10]      __sys_sendmsg+0xcd/0x170
[ 2790.853537][   T10]      do_syscall_64+0xc6/0x1e0
[ 2790.853537][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2790.853537][   T10] 
[ 2790.855531][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2790.855531][   T10]      netdev_get_by_index+0x5e/0x80
[ 2790.855531][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2790.855531][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2790.855531][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2790.855531][   T10]      ipv6_add_addr+0x411/0x2000
[ 2790.855531][   T10]      inet6_addr_add+0x30e/0xa40
[ 2790.855531][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2790.855531][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2790.855531][   T10]      netlink_rcv_skb+0x130/0x360
[ 2790.855531][   T10]      netlink_unicast+0x449/0x710
[ 2790.855531][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2790.855531][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2790.855531][   T10]      ___sys_sendmsg+0xee/0x170
[ 2790.855531][   T10]      __sys_sendmsg+0xcd/0x170
[ 2790.855531][   T10]      do_syscall_64+0xc6/0x1e0
[ 2790.855531][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2790.855531][   T10] 
[ 2790.857475][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2790.857475][   T10]      netdev_get_by_index+0x5e/0x80
[ 2790.857475][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2790.857475][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2790.857475][   T10]      ip6_route_add+0x1c/0x140
[ 2790.857475][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2790.857475][   T10]      addrconf_add_dev+0xe2/0x170
[ 2790.857475][   T10]      inet6_addr_add+0x12f/0xa40
[ 2790.857475][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2790.857475][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2790.857475][   T10]      netlink_rcv_skb+0x130/0x360
[ 2790.857475][   T10]      netlink_unicast+0x449/0x710
[ 2790.857475][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2790.857475][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2790.857475][   T10]      ___sys_sendmsg+0xee/0x170
[ 2790.857475][   T10]      __sys_sendmsg+0xcd/0x170
[ 2790.857475][   T10]      do_syscall_64+0xc6/0x1e0
[ 2790.857475][   T10] 
[ 2790.859456][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2790.859456][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2790.859456][   T10]      ipv6_find_idev+0x102/0x170
[ 2790.859456][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2790.859456][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2790.859456][   T10]      netlink_rcv_skb+0x130/0x360
[ 2790.859456][   T10]      netlink_unicast+0x449/0x710
[ 2790.859456][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2790.859456][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2790.859456][   T10]      ___sys_sendmsg+0xee/0x170
[ 2790.859456][   T10]      __sys_sendmsg+0xcd/0x170
[ 2790.859456][   T10]      do_syscall_64+0xc6/0x1e0
[ 2790.859456][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2790.859456][   T10] 
[ 2790.860943][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2790.860943][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2790.860943][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2790.860943][   T10]      ipv6_find_idev+0x102/0x170
[ 2790.860943][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2790.860943][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2790.860943][   T10]      netlink_rcv_skb+0x130/0x360
[ 2790.860943][   T10]      netlink_unicast+0x449/0x710
[ 2790.860943][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2790.860943][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2790.860943][   T10]      ___sys_sendmsg+0xee/0x170
[ 2790.860943][   T10]      __sys_sendmsg+0xcd/0x170
[ 2790.860943][   T10]      do_syscall_64+0xc6/0x1e0
[ 2790.860943][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2790.860943][   T10] 
[ 2800.863872][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2800.864615][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2800.864615][   T10]      dst_init+0x84/0x4a0
[ 2800.864615][   T10]      dst_alloc+0x97/0x150
[ 2800.864615][   T10]      ip6_dst_alloc+0x23/0x90
[ 2800.864615][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2800.864615][   T10]      ip6_pol_route+0x56f/0x840
[ 2800.864615][   T10]      fib6_rule_lookup+0x456/0x630
[ 2800.864615][   T10]      ip6_route_input+0x59c/0xa50
[ 2800.864615][   T10]      ipv6_rcv+0x397/0x810
[ 2800.864615][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2800.864615][   T10]      process_backlog+0x101/0x620
[ 2800.864615][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2800.864615][   T10]      net_rx_action+0x495/0xbe0
[ 2800.864615][   T10]      __do_softirq+0x1b5/0x7f6
[ 2800.864615][   T10] 
[ 2800.866320][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2800.866320][   T10]      netdev_get_by_index+0x5e/0x80
[ 2800.866320][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2800.866320][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2800.866320][   T10]      ip6_route_add+0x1c/0x140
[ 2800.866320][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2800.866320][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2800.866320][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2800.866320][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2800.866320][   T10]      netlink_rcv_skb+0x130/0x360
[ 2800.866320][   T10]      netlink_unicast+0x449/0x710
[ 2800.866320][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2800.866320][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2800.866320][   T10]      ___sys_sendmsg+0xee/0x170
[ 2800.866320][   T10]      __sys_sendmsg+0xcd/0x170
[ 2800.866320][   T10]      do_syscall_64+0xc6/0x1e0
[ 2800.866320][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2800.866320][   T10] 
[ 2800.868281][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2800.868281][   T10]      netdev_get_by_index+0x5e/0x80
[ 2800.868281][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2800.868281][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2800.868281][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2800.868281][   T10]      ipv6_add_addr+0x411/0x2000
[ 2800.868281][   T10]      inet6_addr_add+0x30e/0xa40
[ 2800.868281][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2800.868281][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2800.868281][   T10]      netlink_rcv_skb+0x130/0x360
[ 2800.868281][   T10]      netlink_unicast+0x449/0x710
[ 2800.868281][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2800.868281][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2800.868281][   T10]      ___sys_sendmsg+0xee/0x170
[ 2800.868281][   T10]      __sys_sendmsg+0xcd/0x170
[ 2800.868281][   T10]      do_syscall_64+0xc6/0x1e0
[ 2800.868281][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2800.868281][   T10] 
[ 2800.870192][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2800.870192][   T10]      netdev_get_by_index+0x5e/0x80
[ 2800.870192][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2800.870192][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2800.870192][   T10]      ip6_route_add+0x1c/0x140
[ 2800.870192][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2800.870192][   T10]      addrconf_add_dev+0xe2/0x170
[ 2800.870192][   T10]      inet6_addr_add+0x12f/0xa40
[ 2800.870192][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2800.870192][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2800.870192][   T10]      netlink_rcv_skb+0x130/0x360
[ 2800.870192][   T10]      netlink_unicast+0x449/0x710
[ 2800.870192][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2800.870192][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2800.870192][   T10]      ___sys_sendmsg+0xee/0x170
[ 2800.870192][   T10]      __sys_sendmsg+0xcd/0x170
[ 2800.870192][   T10]      do_syscall_64+0xc6/0x1e0
[ 2800.870192][   T10] 
[ 2800.872205][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2800.872205][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2800.872205][   T10]      ipv6_find_idev+0x102/0x170
[ 2800.872205][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2800.872205][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2800.872205][   T10]      netlink_rcv_skb+0x130/0x360
[ 2800.872205][   T10]      netlink_unicast+0x449/0x710
[ 2800.872205][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2800.872205][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2800.872205][   T10]      ___sys_sendmsg+0xee/0x170
[ 2800.872205][   T10]      __sys_sendmsg+0xcd/0x170
[ 2800.872205][   T10]      do_syscall_64+0xc6/0x1e0
[ 2800.872205][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2800.872205][   T10] 
[ 2800.873760][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2800.873760][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2800.873760][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2800.873760][   T10]      ipv6_find_idev+0x102/0x170
[ 2800.873760][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2800.873760][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2800.873760][   T10]      netlink_rcv_skb+0x130/0x360
[ 2800.873760][   T10]      netlink_unicast+0x449/0x710
[ 2800.873760][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2800.873760][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2800.873760][   T10]      ___sys_sendmsg+0xee/0x170
[ 2800.873760][   T10]      __sys_sendmsg+0xcd/0x170
[ 2800.873760][   T10]      do_syscall_64+0xc6/0x1e0
[ 2800.873760][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2800.873760][   T10] 
[ 2800.875487][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2800.875769][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2800.875769][   T10]      netdev_get_by_index+0x5e/0x80
[ 2800.875769][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2800.875769][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2800.875769][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2800.875769][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2800.875769][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2800.875769][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2800.875769][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2800.875769][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2800.875769][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2800.875769][   T10]      vfs_write+0x9e5/0x10a0
[ 2800.875769][   T10]      ksys_write+0xf5/0x1e0
[ 2800.875769][   T10]      do_syscall_64+0xc6/0x1e0
[ 2800.875769][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2800.875769][   T10] 
[ 2800.877643][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2800.877643][   T10]      netdev_get_by_index+0x5e/0x80
[ 2800.877643][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2800.877643][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2800.877643][   T10]      ip6_route_add+0x1c/0x140
[ 2800.877643][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2800.877643][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2800.877643][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2800.877643][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2800.877643][   T10]      netlink_rcv_skb+0x130/0x360
[ 2800.877643][   T10]      netlink_unicast+0x449/0x710
[ 2800.877643][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2800.877643][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2800.877643][   T10]      ___sys_sendmsg+0xee/0x170
[ 2800.877643][   T10]      __sys_sendmsg+0xcd/0x170
[ 2800.877643][   T10]      do_syscall_64+0xc6/0x1e0
[ 2800.877643][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2800.877643][   T10] 
[ 2800.879702][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2800.879702][   T10]      netdev_get_by_index+0x5e/0x80
[ 2800.879702][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2800.879702][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2800.879702][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2800.879702][   T10]      ipv6_add_addr+0x411/0x2000
[ 2800.879702][   T10]      inet6_addr_add+0x30e/0xa40
[ 2800.879702][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2800.879702][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2800.879702][   T10]      netlink_rcv_skb+0x130/0x360
[ 2800.879702][   T10]      netlink_unicast+0x449/0x710
[ 2800.879702][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2800.879702][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2800.879702][   T10]      ___sys_sendmsg+0xee/0x170
[ 2800.879702][   T10]      __sys_sendmsg+0xcd/0x170
[ 2800.879702][   T10]      do_syscall_64+0xc6/0x1e0
[ 2800.879702][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2800.879702][   T10] 
[ 2800.881747][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2800.881747][   T10]      netdev_get_by_index+0x5e/0x80
[ 2800.881747][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2800.881747][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2800.881747][   T10]      ip6_route_add+0x1c/0x140
[ 2800.881747][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2800.881747][   T10]      addrconf_add_dev+0xe2/0x170
[ 2800.881747][   T10]      inet6_addr_add+0x12f/0xa40
[ 2800.881747][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2800.881747][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2800.881747][   T10]      netlink_rcv_skb+0x130/0x360
[ 2800.881747][   T10]      netlink_unicast+0x449/0x710
[ 2800.881747][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2800.881747][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2800.881747][   T10]      ___sys_sendmsg+0xee/0x170
[ 2800.881747][   T10]      __sys_sendmsg+0xcd/0x170
[ 2800.881747][   T10]      do_syscall_64+0xc6/0x1e0
[ 2800.881747][   T10] 
[ 2800.883786][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2800.883786][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2800.883786][   T10]      ipv6_find_idev+0x102/0x170
[ 2800.883786][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2800.883786][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2800.883786][   T10]      netlink_rcv_skb+0x130/0x360
[ 2800.883786][   T10]      netlink_unicast+0x449/0x710
[ 2800.883786][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2800.883786][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2800.883786][   T10]      ___sys_sendmsg+0xee/0x170
[ 2800.883786][   T10]      __sys_sendmsg+0xcd/0x170
[ 2800.883786][   T10]      do_syscall_64+0xc6/0x1e0
[ 2800.883786][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2800.883786][   T10] 
[ 2800.885343][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2800.885343][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2800.885343][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2800.885343][   T10]      ipv6_find_idev+0x102/0x170
[ 2800.885343][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2800.885343][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2800.885343][   T10]      netlink_rcv_skb+0x130/0x360
[ 2800.885343][   T10]      netlink_unicast+0x449/0x710
[ 2800.885343][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2800.885343][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2800.885343][   T10]      ___sys_sendmsg+0xee/0x170
[ 2800.885343][   T10]      __sys_sendmsg+0xcd/0x170
[ 2800.885343][   T10]      do_syscall_64+0xc6/0x1e0
[ 2800.885343][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2800.885343][   T10] 
[ 2811.127962][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2811.128602][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2811.128602][   T10]      dst_init+0x84/0x4a0
[ 2811.128602][   T10]      dst_alloc+0x97/0x150
[ 2811.128602][   T10]      ip6_dst_alloc+0x23/0x90
[ 2811.128602][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2811.128602][   T10]      ip6_pol_route+0x56f/0x840
[ 2811.128602][   T10]      fib6_rule_lookup+0x456/0x630
[ 2811.128602][   T10]      ip6_route_input+0x59c/0xa50
[ 2811.128602][   T10]      ipv6_rcv+0x397/0x810
[ 2811.128602][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2811.128602][   T10]      process_backlog+0x101/0x620
[ 2811.128602][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2811.128602][   T10]      net_rx_action+0x495/0xbe0
[ 2811.128602][   T10]      __do_softirq+0x1b5/0x7f6
[ 2811.128602][   T10] 
[ 2811.130281][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2811.130281][   T10]      netdev_get_by_index+0x5e/0x80
[ 2811.130281][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2811.130281][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2811.130281][   T10]      ip6_route_add+0x1c/0x140
[ 2811.130281][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2811.130281][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2811.130281][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2811.130281][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2811.130281][   T10]      netlink_rcv_skb+0x130/0x360
[ 2811.130281][   T10]      netlink_unicast+0x449/0x710
[ 2811.130281][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2811.130281][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2811.130281][   T10]      ___sys_sendmsg+0xee/0x170
[ 2811.130281][   T10]      __sys_sendmsg+0xcd/0x170
[ 2811.130281][   T10]      do_syscall_64+0xc6/0x1e0
[ 2811.130281][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2811.130281][   T10] 
[ 2811.132381][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2811.132381][   T10]      netdev_get_by_index+0x5e/0x80
[ 2811.132381][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2811.132381][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2811.132381][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2811.132381][   T10]      ipv6_add_addr+0x411/0x2000
[ 2811.132381][   T10]      inet6_addr_add+0x30e/0xa40
[ 2811.132381][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2811.132381][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2811.132381][   T10]      netlink_rcv_skb+0x130/0x360
[ 2811.132381][   T10]      netlink_unicast+0x449/0x710
[ 2811.132381][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2811.132381][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2811.132381][   T10]      ___sys_sendmsg+0xee/0x170
[ 2811.132381][   T10]      __sys_sendmsg+0xcd/0x170
[ 2811.132381][   T10]      do_syscall_64+0xc6/0x1e0
[ 2811.132381][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2811.132381][   T10] 
[ 2811.134417][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2811.134417][   T10]      netdev_get_by_index+0x5e/0x80
[ 2811.134417][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2811.134417][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2811.134417][   T10]      ip6_route_add+0x1c/0x140
[ 2811.134417][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2811.134417][   T10]      addrconf_add_dev+0xe2/0x170
[ 2811.134417][   T10]      inet6_addr_add+0x12f/0xa40
[ 2811.134417][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2811.134417][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2811.134417][   T10]      netlink_rcv_skb+0x130/0x360
[ 2811.134417][   T10]      netlink_unicast+0x449/0x710
[ 2811.134417][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2811.134417][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2811.134417][   T10]      ___sys_sendmsg+0xee/0x170
[ 2811.134417][   T10]      __sys_sendmsg+0xcd/0x170
[ 2811.134417][   T10]      do_syscall_64+0xc6/0x1e0
[ 2811.134417][   T10] 
[ 2811.136405][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2811.136405][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2811.136405][   T10]      ipv6_find_idev+0x102/0x170
[ 2811.136405][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2811.136405][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2811.136405][   T10]      netlink_rcv_skb+0x130/0x360
[ 2811.136405][   T10]      netlink_unicast+0x449/0x710
[ 2811.136405][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2811.136405][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2811.136405][   T10]      ___sys_sendmsg+0xee/0x170
[ 2811.136405][   T10]      __sys_sendmsg+0xcd/0x170
[ 2811.136405][   T10]      do_syscall_64+0xc6/0x1e0
[ 2811.136405][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2811.136405][   T10] 
[ 2811.137950][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2811.137950][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2811.137950][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2811.137950][   T10]      ipv6_find_idev+0x102/0x170
[ 2811.137950][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2811.137950][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2811.137950][   T10]      netlink_rcv_skb+0x130/0x360
[ 2811.137950][   T10]      netlink_unicast+0x449/0x710
[ 2811.137950][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2811.137950][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2811.137950][   T10]      ___sys_sendmsg+0xee/0x170
[ 2811.137950][   T10]      __sys_sendmsg+0xcd/0x170
[ 2811.137950][   T10]      do_syscall_64+0xc6/0x1e0
[ 2811.137950][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2811.137950][   T10] 
[ 2811.139597][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2811.139880][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2811.139880][   T10]      netdev_get_by_index+0x5e/0x80
[ 2811.139880][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2811.139880][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2811.139880][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2811.139880][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2811.139880][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2811.139880][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2811.139880][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2811.139880][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2811.139880][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2811.139880][   T10]      vfs_write+0x9e5/0x10a0
[ 2811.139880][   T10]      ksys_write+0xf5/0x1e0
[ 2811.139880][   T10]      do_syscall_64+0xc6/0x1e0
[ 2811.139880][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2811.139880][   T10] 
[ 2811.141738][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2811.141738][   T10]      netdev_get_by_index+0x5e/0x80
[ 2811.141738][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2811.141738][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2811.141738][   T10]      ip6_route_add+0x1c/0x140
[ 2811.141738][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2811.141738][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2811.141738][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2811.141738][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2811.141738][   T10]      netlink_rcv_skb+0x130/0x360
[ 2811.141738][   T10]      netlink_unicast+0x449/0x710
[ 2811.141738][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2811.141738][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2811.141738][   T10]      ___sys_sendmsg+0xee/0x170
[ 2811.141738][   T10]      __sys_sendmsg+0xcd/0x170
[ 2811.141738][   T10]      do_syscall_64+0xc6/0x1e0
[ 2811.141738][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2811.141738][   T10] 
[ 2811.143792][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2811.143792][   T10]      netdev_get_by_index+0x5e/0x80
[ 2811.143792][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2811.143792][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2811.143792][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2811.143792][   T10]      ipv6_add_addr+0x411/0x2000
[ 2811.143792][   T10]      inet6_addr_add+0x30e/0xa40
[ 2811.143792][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2811.143792][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2811.143792][   T10]      netlink_rcv_skb+0x130/0x360
[ 2811.143792][   T10]      netlink_unicast+0x449/0x710
[ 2811.143792][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2811.143792][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2811.143792][   T10]      ___sys_sendmsg+0xee/0x170
[ 2811.143792][   T10]      __sys_sendmsg+0xcd/0x170
[ 2811.143792][   T10]      do_syscall_64+0xc6/0x1e0
[ 2811.143792][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2811.143792][   T10] 
[ 2811.145681][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2811.145681][   T10]      netdev_get_by_index+0x5e/0x80
[ 2811.145681][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2811.145681][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2811.145681][   T10]      ip6_route_add+0x1c/0x140
[ 2811.145681][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2811.145681][   T10]      addrconf_add_dev+0xe2/0x170
[ 2811.145681][   T10]      inet6_addr_add+0x12f/0xa40
[ 2811.145681][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2811.145681][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2811.145681][   T10]      netlink_rcv_skb+0x130/0x360
[ 2811.145681][   T10]      netlink_unicast+0x449/0x710
[ 2811.145681][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2811.145681][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2811.145681][   T10]      ___sys_sendmsg+0xee/0x170
[ 2811.145681][   T10]      __sys_sendmsg+0xcd/0x170
[ 2811.145681][   T10]      do_syscall_64+0xc6/0x1e0
[ 2811.145681][   T10] 
[ 2811.147646][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2811.147646][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2811.147646][   T10]      ipv6_find_idev+0x102/0x170
[ 2811.147646][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2811.147646][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2811.147646][   T10]      netlink_rcv_skb+0x130/0x360
[ 2811.147646][   T10]      netlink_unicast+0x449/0x710
[ 2811.147646][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2811.147646][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2811.147646][   T10]      ___sys_sendmsg+0xee/0x170
[ 2811.147646][   T10]      __sys_sendmsg+0xcd/0x170
[ 2811.147646][   T10]      do_syscall_64+0xc6/0x1e0
[ 2811.147646][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2811.147646][   T10] 
[ 2811.149126][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2811.149126][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2811.149126][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2811.149126][   T10]      ipv6_find_idev+0x102/0x170
[ 2811.149126][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2811.149126][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2811.149126][   T10]      netlink_rcv_skb+0x130/0x360
[ 2811.149126][   T10]      netlink_unicast+0x449/0x710
[ 2811.149126][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2811.149126][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2811.149126][   T10]      ___sys_sendmsg+0xee/0x170
[ 2811.149126][   T10]      __sys_sendmsg+0xcd/0x170
[ 2811.149126][   T10]      do_syscall_64+0xc6/0x1e0
[ 2811.149126][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2811.149126][   T10] 
[ 2821.391898][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2821.392643][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2821.392643][   T10]      dst_init+0x84/0x4a0
[ 2821.392643][   T10]      dst_alloc+0x97/0x150
[ 2821.392643][   T10]      ip6_dst_alloc+0x23/0x90
[ 2821.392643][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2821.392643][   T10]      ip6_pol_route+0x56f/0x840
[ 2821.392643][   T10]      fib6_rule_lookup+0x456/0x630
[ 2821.392643][   T10]      ip6_route_input+0x59c/0xa50
[ 2821.392643][   T10]      ipv6_rcv+0x397/0x810
[ 2821.392643][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2821.392643][   T10]      process_backlog+0x101/0x620
[ 2821.392643][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2821.392643][   T10]      net_rx_action+0x495/0xbe0
[ 2821.392643][   T10]      __do_softirq+0x1b5/0x7f6
[ 2821.392643][   T10] 
[ 2821.394269][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2821.394269][   T10]      netdev_get_by_index+0x5e/0x80
[ 2821.394269][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2821.394269][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2821.394269][   T10]      ip6_route_add+0x1c/0x140
[ 2821.394269][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2821.394269][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2821.394269][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2821.394269][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2821.394269][   T10]      netlink_rcv_skb+0x130/0x360
[ 2821.394269][   T10]      netlink_unicast+0x449/0x710
[ 2821.394269][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2821.394269][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2821.394269][   T10]      ___sys_sendmsg+0xee/0x170
[ 2821.394269][   T10]      __sys_sendmsg+0xcd/0x170
[ 2821.394269][   T10]      do_syscall_64+0xc6/0x1e0
[ 2821.394269][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2821.394269][   T10] 
[ 2821.396286][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2821.396286][   T10]      netdev_get_by_index+0x5e/0x80
[ 2821.396286][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2821.396286][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2821.396286][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2821.396286][   T10]      ipv6_add_addr+0x411/0x2000
[ 2821.396286][   T10]      inet6_addr_add+0x30e/0xa40
[ 2821.396286][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2821.396286][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2821.396286][   T10]      netlink_rcv_skb+0x130/0x360
[ 2821.396286][   T10]      netlink_unicast+0x449/0x710
[ 2821.396286][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2821.396286][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2821.396286][   T10]      ___sys_sendmsg+0xee/0x170
[ 2821.396286][   T10]      __sys_sendmsg+0xcd/0x170
[ 2821.396286][   T10]      do_syscall_64+0xc6/0x1e0
[ 2821.396286][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2821.396286][   T10] 
[ 2821.398301][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2821.398301][   T10]      netdev_get_by_index+0x5e/0x80
[ 2821.398301][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2821.398301][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2821.398301][   T10]      ip6_route_add+0x1c/0x140
[ 2821.398301][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2821.398301][   T10]      addrconf_add_dev+0xe2/0x170
[ 2821.398301][   T10]      inet6_addr_add+0x12f/0xa40
[ 2821.398301][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2821.398301][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2821.398301][   T10]      netlink_rcv_skb+0x130/0x360
[ 2821.398301][   T10]      netlink_unicast+0x449/0x710
[ 2821.398301][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2821.398301][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2821.398301][   T10]      ___sys_sendmsg+0xee/0x170
[ 2821.398301][   T10]      __sys_sendmsg+0xcd/0x170
[ 2821.398301][   T10]      do_syscall_64+0xc6/0x1e0
[ 2821.398301][   T10] 
[ 2821.400275][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2821.400275][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2821.400275][   T10]      ipv6_find_idev+0x102/0x170
[ 2821.400275][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2821.400275][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2821.400275][   T10]      netlink_rcv_skb+0x130/0x360
[ 2821.400275][   T10]      netlink_unicast+0x449/0x710
[ 2821.400275][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2821.400275][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2821.400275][   T10]      ___sys_sendmsg+0xee/0x170
[ 2821.400275][   T10]      __sys_sendmsg+0xcd/0x170
[ 2821.400275][   T10]      do_syscall_64+0xc6/0x1e0
[ 2821.400275][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2821.400275][   T10] 
[ 2821.401885][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2821.401885][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2821.401885][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2821.401885][   T10]      ipv6_find_idev+0x102/0x170
[ 2821.401885][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2821.401885][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2821.401885][   T10]      netlink_rcv_skb+0x130/0x360
[ 2821.401885][   T10]      netlink_unicast+0x449/0x710
[ 2821.401885][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2821.401885][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2821.401885][   T10]      ___sys_sendmsg+0xee/0x170
[ 2821.401885][   T10]      __sys_sendmsg+0xcd/0x170
[ 2821.401885][   T10]      do_syscall_64+0xc6/0x1e0
[ 2821.401885][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2821.401885][   T10] 
[ 2821.403661][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2821.403920][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2821.403920][   T10]      netdev_get_by_index+0x5e/0x80
[ 2821.403920][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2821.403920][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2821.403920][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2821.403920][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2821.403920][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2821.403920][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2821.403920][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2821.403920][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2821.403920][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2821.403920][   T10]      vfs_write+0x9e5/0x10a0
[ 2821.403920][   T10]      ksys_write+0xf5/0x1e0
[ 2821.403920][   T10]      do_syscall_64+0xc6/0x1e0
[ 2821.403920][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2821.403920][   T10] 
[ 2821.405782][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2821.405782][   T10]      netdev_get_by_index+0x5e/0x80
[ 2821.405782][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2821.405782][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2821.405782][   T10]      ip6_route_add+0x1c/0x140
[ 2821.405782][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2821.405782][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2821.405782][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2821.405782][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2821.405782][   T10]      netlink_rcv_skb+0x130/0x360
[ 2821.405782][   T10]      netlink_unicast+0x449/0x710
[ 2821.405782][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2821.405782][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2821.405782][   T10]      ___sys_sendmsg+0xee/0x170
[ 2821.405782][   T10]      __sys_sendmsg+0xcd/0x170
[ 2821.405782][   T10]      do_syscall_64+0xc6/0x1e0
[ 2821.405782][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2821.405782][   T10] 
[ 2821.407849][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2821.407849][   T10]      netdev_get_by_index+0x5e/0x80
[ 2821.407849][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2821.407849][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2821.407849][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2821.407849][   T10]      ipv6_add_addr+0x411/0x2000
[ 2821.407849][   T10]      inet6_addr_add+0x30e/0xa40
[ 2821.407849][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2821.407849][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2821.407849][   T10]      netlink_rcv_skb+0x130/0x360
[ 2821.407849][   T10]      netlink_unicast+0x449/0x710
[ 2821.407849][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2821.407849][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2821.407849][   T10]      ___sys_sendmsg+0xee/0x170
[ 2821.407849][   T10]      __sys_sendmsg+0xcd/0x170
[ 2821.407849][   T10]      do_syscall_64+0xc6/0x1e0
[ 2821.407849][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2821.407849][   T10] 
[ 2821.409902][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2821.409902][   T10]      netdev_get_by_index+0x5e/0x80
[ 2821.409902][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2821.409902][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2821.409902][   T10]      ip6_route_add+0x1c/0x140
[ 2821.409902][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2821.409902][   T10]      addrconf_add_dev+0xe2/0x170
[ 2821.409902][   T10]      inet6_addr_add+0x12f/0xa40
[ 2821.409902][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2821.409902][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2821.409902][   T10]      netlink_rcv_skb+0x130/0x360
[ 2821.409902][   T10]      netlink_unicast+0x449/0x710
[ 2821.409902][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2821.409902][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2821.409902][   T10]      ___sys_sendmsg+0xee/0x170
[ 2821.409902][   T10]      __sys_sendmsg+0xcd/0x170
[ 2821.409902][   T10]      do_syscall_64+0xc6/0x1e0
[ 2821.409902][   T10] 
[ 2821.411946][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2821.411946][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2821.411946][   T10]      ipv6_find_idev+0x102/0x170
[ 2821.411946][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2821.411946][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2821.411946][   T10]      netlink_rcv_skb+0x130/0x360
[ 2821.411946][   T10]      netlink_unicast+0x449/0x710
[ 2821.411946][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2821.411946][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2821.411946][   T10]      ___sys_sendmsg+0xee/0x170
[ 2821.411946][   T10]      __sys_sendmsg+0xcd/0x170
[ 2821.411946][   T10]      do_syscall_64+0xc6/0x1e0
[ 2821.411946][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2821.411946][   T10] 
[ 2821.413538][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2821.413538][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2821.413538][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2821.413538][   T10]      ipv6_find_idev+0x102/0x170
[ 2821.413538][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2821.413538][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2821.413538][   T10]      netlink_rcv_skb+0x130/0x360
[ 2821.413538][   T10]      netlink_unicast+0x449/0x710
[ 2821.413538][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2821.413538][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2821.413538][   T10]      ___sys_sendmsg+0xee/0x170
[ 2821.413538][   T10]      __sys_sendmsg+0xcd/0x170
[ 2821.413538][   T10]      do_syscall_64+0xc6/0x1e0
[ 2821.413538][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2821.413538][   T10] 
[ 2831.663900][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2831.664475][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2831.664475][   T10]      dst_init+0x84/0x4a0
[ 2831.664475][   T10]      dst_alloc+0x97/0x150
[ 2831.664475][   T10]      ip6_dst_alloc+0x23/0x90
[ 2831.664475][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2831.664475][   T10]      ip6_pol_route+0x56f/0x840
[ 2831.664475][   T10]      fib6_rule_lookup+0x456/0x630
[ 2831.664475][   T10]      ip6_route_input+0x59c/0xa50
[ 2831.664475][   T10]      ipv6_rcv+0x397/0x810
[ 2831.664475][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2831.664475][   T10]      process_backlog+0x101/0x620
[ 2831.664475][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2831.664475][   T10]      net_rx_action+0x495/0xbe0
[ 2831.664475][   T10]      __do_softirq+0x1b5/0x7f6
[ 2831.664475][   T10] 
[ 2831.666150][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2831.666150][   T10]      netdev_get_by_index+0x5e/0x80
[ 2831.666150][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2831.666150][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2831.666150][   T10]      ip6_route_add+0x1c/0x140
[ 2831.666150][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2831.666150][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2831.666150][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2831.666150][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2831.666150][   T10]      netlink_rcv_skb+0x130/0x360
[ 2831.666150][   T10]      netlink_unicast+0x449/0x710
[ 2831.666150][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2831.666150][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2831.666150][   T10]      ___sys_sendmsg+0xee/0x170
[ 2831.666150][   T10]      __sys_sendmsg+0xcd/0x170
[ 2831.666150][   T10]      do_syscall_64+0xc6/0x1e0
[ 2831.666150][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2831.666150][   T10] 
[ 2831.668192][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2831.668192][   T10]      netdev_get_by_index+0x5e/0x80
[ 2831.668192][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2831.668192][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2831.668192][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2831.668192][   T10]      ipv6_add_addr+0x411/0x2000
[ 2831.668192][   T10]      inet6_addr_add+0x30e/0xa40
[ 2831.668192][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2831.668192][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2831.668192][   T10]      netlink_rcv_skb+0x130/0x360
[ 2831.668192][   T10]      netlink_unicast+0x449/0x710
[ 2831.668192][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2831.668192][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2831.668192][   T10]      ___sys_sendmsg+0xee/0x170
[ 2831.668192][   T10]      __sys_sendmsg+0xcd/0x170
[ 2831.668192][   T10]      do_syscall_64+0xc6/0x1e0
[ 2831.668192][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2831.668192][   T10] 
[ 2831.670214][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2831.670214][   T10]      netdev_get_by_index+0x5e/0x80
[ 2831.670214][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2831.670214][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2831.670214][   T10]      ip6_route_add+0x1c/0x140
[ 2831.670214][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2831.670214][   T10]      addrconf_add_dev+0xe2/0x170
[ 2831.670214][   T10]      inet6_addr_add+0x12f/0xa40
[ 2831.670214][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2831.670214][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2831.670214][   T10]      netlink_rcv_skb+0x130/0x360
[ 2831.670214][   T10]      netlink_unicast+0x449/0x710
[ 2831.670214][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2831.670214][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2831.670214][   T10]      ___sys_sendmsg+0xee/0x170
[ 2831.670214][   T10]      __sys_sendmsg+0xcd/0x170
[ 2831.670214][   T10]      do_syscall_64+0xc6/0x1e0
[ 2831.670214][   T10] 
[ 2831.672224][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2831.672224][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2831.672224][   T10]      ipv6_find_idev+0x102/0x170
[ 2831.672224][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2831.672224][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2831.672224][   T10]      netlink_rcv_skb+0x130/0x360
[ 2831.672224][   T10]      netlink_unicast+0x449/0x710
[ 2831.672224][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2831.672224][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2831.672224][   T10]      ___sys_sendmsg+0xee/0x170
[ 2831.672224][   T10]      __sys_sendmsg+0xcd/0x170
[ 2831.672224][   T10]      do_syscall_64+0xc6/0x1e0
[ 2831.672224][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2831.672224][   T10] 
[ 2831.673796][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2831.673796][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2831.673796][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2831.673796][   T10]      ipv6_find_idev+0x102/0x170
[ 2831.673796][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2831.673796][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2831.673796][   T10]      netlink_rcv_skb+0x130/0x360
[ 2831.673796][   T10]      netlink_unicast+0x449/0x710
[ 2831.673796][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2831.673796][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2831.673796][   T10]      ___sys_sendmsg+0xee/0x170
[ 2831.673796][   T10]      __sys_sendmsg+0xcd/0x170
[ 2831.673796][   T10]      do_syscall_64+0xc6/0x1e0
[ 2831.673796][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2831.673796][   T10] 
[ 2831.675487][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2831.675761][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2831.675761][   T10]      netdev_get_by_index+0x5e/0x80
[ 2831.675761][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2831.675761][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2831.675761][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2831.675761][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2831.675761][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2831.675761][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2831.675761][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2831.675761][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2831.675761][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2831.675761][   T10]      vfs_write+0x9e5/0x10a0
[ 2831.675761][   T10]      ksys_write+0xf5/0x1e0
[ 2831.675761][   T10]      do_syscall_64+0xc6/0x1e0
[ 2831.675761][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2831.675761][   T10] 
[ 2831.677602][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2831.677602][   T10]      netdev_get_by_index+0x5e/0x80
[ 2831.677602][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2831.677602][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2831.677602][   T10]      ip6_route_add+0x1c/0x140
[ 2831.677602][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2831.677602][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2831.677602][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2831.677602][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2831.677602][   T10]      netlink_rcv_skb+0x130/0x360
[ 2831.677602][   T10]      netlink_unicast+0x449/0x710
[ 2831.677602][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2831.677602][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2831.677602][   T10]      ___sys_sendmsg+0xee/0x170
[ 2831.677602][   T10]      __sys_sendmsg+0xcd/0x170
[ 2831.677602][   T10]      do_syscall_64+0xc6/0x1e0
[ 2831.677602][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2831.677602][   T10] 
[ 2831.679610][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2831.679610][   T10]      netdev_get_by_index+0x5e/0x80
[ 2831.679610][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2831.679610][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2831.679610][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2831.679610][   T10]      ipv6_add_addr+0x411/0x2000
[ 2831.679610][   T10]      inet6_addr_add+0x30e/0xa40
[ 2831.679610][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2831.679610][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2831.679610][   T10]      netlink_rcv_skb+0x130/0x360
[ 2831.679610][   T10]      netlink_unicast+0x449/0x710
[ 2831.679610][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2831.679610][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2831.679610][   T10]      ___sys_sendmsg+0xee/0x170
[ 2831.679610][   T10]      __sys_sendmsg+0xcd/0x170
[ 2831.679610][   T10]      do_syscall_64+0xc6/0x1e0
[ 2831.679610][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2831.679610][   T10] 
[ 2831.681634][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2831.681634][   T10]      netdev_get_by_index+0x5e/0x80
[ 2831.681634][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2831.681634][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2831.681634][   T10]      ip6_route_add+0x1c/0x140
[ 2831.681634][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2831.681634][   T10]      addrconf_add_dev+0xe2/0x170
[ 2831.681634][   T10]      inet6_addr_add+0x12f/0xa40
[ 2831.681634][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2831.681634][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2831.681634][   T10]      netlink_rcv_skb+0x130/0x360
[ 2831.681634][   T10]      netlink_unicast+0x449/0x710
[ 2831.681634][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2831.681634][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2831.681634][   T10]      ___sys_sendmsg+0xee/0x170
[ 2831.681634][   T10]      __sys_sendmsg+0xcd/0x170
[ 2831.681634][   T10]      do_syscall_64+0xc6/0x1e0
[ 2831.681634][   T10] 
[ 2831.683622][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2831.683622][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2831.683622][   T10]      ipv6_find_idev+0x102/0x170
[ 2831.683622][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2831.683622][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2831.683622][   T10]      netlink_rcv_skb+0x130/0x360
[ 2831.683622][   T10]      netlink_unicast+0x449/0x710
[ 2831.683622][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2831.683622][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2831.683622][   T10]      ___sys_sendmsg+0xee/0x170
[ 2831.683622][   T10]      __sys_sendmsg+0xcd/0x170
[ 2831.683622][   T10]      do_syscall_64+0xc6/0x1e0
[ 2831.683622][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2831.683622][   T10] 
[ 2831.685162][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2831.685162][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2831.685162][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2831.685162][   T10]      ipv6_find_idev+0x102/0x170
[ 2831.685162][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2831.685162][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2831.685162][   T10]      netlink_rcv_skb+0x130/0x360
[ 2831.685162][   T10]      netlink_unicast+0x449/0x710
[ 2831.685162][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2831.685162][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2831.685162][   T10]      ___sys_sendmsg+0xee/0x170
[ 2831.685162][   T10]      __sys_sendmsg+0xcd/0x170
[ 2831.685162][   T10]      do_syscall_64+0xc6/0x1e0
[ 2831.685162][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2831.685162][   T10] 
[ 2841.711888][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2841.712555][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2841.712555][   T10]      dst_init+0x84/0x4a0
[ 2841.712555][   T10]      dst_alloc+0x97/0x150
[ 2841.712555][   T10]      ip6_dst_alloc+0x23/0x90
[ 2841.712555][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2841.712555][   T10]      ip6_pol_route+0x56f/0x840
[ 2841.712555][   T10]      fib6_rule_lookup+0x456/0x630
[ 2841.712555][   T10]      ip6_route_input+0x59c/0xa50
[ 2841.712555][   T10]      ipv6_rcv+0x397/0x810
[ 2841.712555][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2841.712555][   T10]      process_backlog+0x101/0x620
[ 2841.712555][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2841.712555][   T10]      net_rx_action+0x495/0xbe0
[ 2841.712555][   T10]      __do_softirq+0x1b5/0x7f6
[ 2841.712555][   T10] 
[ 2841.714209][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2841.714209][   T10]      netdev_get_by_index+0x5e/0x80
[ 2841.714209][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2841.714209][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2841.714209][   T10]      ip6_route_add+0x1c/0x140
[ 2841.714209][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2841.714209][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2841.714209][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2841.714209][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2841.714209][   T10]      netlink_rcv_skb+0x130/0x360
[ 2841.714209][   T10]      netlink_unicast+0x449/0x710
[ 2841.714209][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2841.714209][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2841.714209][   T10]      ___sys_sendmsg+0xee/0x170
[ 2841.714209][   T10]      __sys_sendmsg+0xcd/0x170
[ 2841.714209][   T10]      do_syscall_64+0xc6/0x1e0
[ 2841.714209][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2841.714209][   T10] 
[ 2841.716235][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2841.716235][   T10]      netdev_get_by_index+0x5e/0x80
[ 2841.716235][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2841.716235][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2841.716235][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2841.716235][   T10]      ipv6_add_addr+0x411/0x2000
[ 2841.716235][   T10]      inet6_addr_add+0x30e/0xa40
[ 2841.716235][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2841.716235][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2841.716235][   T10]      netlink_rcv_skb+0x130/0x360
[ 2841.716235][   T10]      netlink_unicast+0x449/0x710
[ 2841.716235][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2841.716235][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2841.716235][   T10]      ___sys_sendmsg+0xee/0x170
[ 2841.716235][   T10]      __sys_sendmsg+0xcd/0x170
[ 2841.716235][   T10]      do_syscall_64+0xc6/0x1e0
[ 2841.716235][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2841.716235][   T10] 
[ 2841.718237][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2841.718237][   T10]      netdev_get_by_index+0x5e/0x80
[ 2841.718237][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2841.718237][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2841.718237][   T10]      ip6_route_add+0x1c/0x140
[ 2841.718237][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2841.718237][   T10]      addrconf_add_dev+0xe2/0x170
[ 2841.718237][   T10]      inet6_addr_add+0x12f/0xa40
[ 2841.718237][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2841.718237][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2841.718237][   T10]      netlink_rcv_skb+0x130/0x360
[ 2841.718237][   T10]      netlink_unicast+0x449/0x710
[ 2841.718237][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2841.718237][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2841.718237][   T10]      ___sys_sendmsg+0xee/0x170
[ 2841.718237][   T10]      __sys_sendmsg+0xcd/0x170
[ 2841.718237][   T10]      do_syscall_64+0xc6/0x1e0
[ 2841.718237][   T10] 
[ 2841.720172][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2841.720172][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2841.720172][   T10]      ipv6_find_idev+0x102/0x170
[ 2841.720172][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2841.720172][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2841.720172][   T10]      netlink_rcv_skb+0x130/0x360
[ 2841.720172][   T10]      netlink_unicast+0x449/0x710
[ 2841.720172][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2841.720172][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2841.720172][   T10]      ___sys_sendmsg+0xee/0x170
[ 2841.720172][   T10]      __sys_sendmsg+0xcd/0x170
[ 2841.720172][   T10]      do_syscall_64+0xc6/0x1e0
[ 2841.720172][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2841.720172][   T10] 
[ 2841.721714][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2841.721714][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2841.721714][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2841.721714][   T10]      ipv6_find_idev+0x102/0x170
[ 2841.721714][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2841.721714][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2841.721714][   T10]      netlink_rcv_skb+0x130/0x360
[ 2841.721714][   T10]      netlink_unicast+0x449/0x710
[ 2841.721714][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2841.721714][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2841.721714][   T10]      ___sys_sendmsg+0xee/0x170
[ 2841.721714][   T10]      __sys_sendmsg+0xcd/0x170
[ 2841.721714][   T10]      do_syscall_64+0xc6/0x1e0
[ 2841.721714][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2841.721714][   T10] 
[ 2841.723400][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2841.723659][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2841.723659][   T10]      netdev_get_by_index+0x5e/0x80
[ 2841.723659][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2841.723659][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2841.723659][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2841.723659][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2841.723659][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2841.723659][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2841.723659][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2841.723659][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2841.723659][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2841.723659][   T10]      vfs_write+0x9e5/0x10a0
[ 2841.723659][   T10]      ksys_write+0xf5/0x1e0
[ 2841.723659][   T10]      do_syscall_64+0xc6/0x1e0
[ 2841.723659][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2841.723659][   T10] 
[ 2841.725438][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2841.725438][   T10]      netdev_get_by_index+0x5e/0x80
[ 2841.725438][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2841.725438][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2841.725438][   T10]      ip6_route_add+0x1c/0x140
[ 2841.725438][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2841.725438][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2841.725438][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2841.725438][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2841.725438][   T10]      netlink_rcv_skb+0x130/0x360
[ 2841.725438][   T10]      netlink_unicast+0x449/0x710
[ 2841.725438][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2841.725438][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2841.725438][   T10]      ___sys_sendmsg+0xee/0x170
[ 2841.725438][   T10]      __sys_sendmsg+0xcd/0x170
[ 2841.725438][   T10]      do_syscall_64+0xc6/0x1e0
[ 2841.725438][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2841.725438][   T10] 
[ 2841.727409][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2841.727409][   T10]      netdev_get_by_index+0x5e/0x80
[ 2841.727409][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2841.727409][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2841.727409][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2841.727409][   T10]      ipv6_add_addr+0x411/0x2000
[ 2841.727409][   T10]      inet6_addr_add+0x30e/0xa40
[ 2841.727409][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2841.727409][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2841.727409][   T10]      netlink_rcv_skb+0x130/0x360
[ 2841.727409][   T10]      netlink_unicast+0x449/0x710
[ 2841.727409][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2841.727409][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2841.727409][   T10]      ___sys_sendmsg+0xee/0x170
[ 2841.727409][   T10]      __sys_sendmsg+0xcd/0x170
[ 2841.727409][   T10]      do_syscall_64+0xc6/0x1e0
[ 2841.727409][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2841.727409][   T10] 
[ 2841.729413][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2841.729413][   T10]      netdev_get_by_index+0x5e/0x80
[ 2841.729413][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2841.729413][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2841.729413][   T10]      ip6_route_add+0x1c/0x140
[ 2841.729413][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2841.729413][   T10]      addrconf_add_dev+0xe2/0x170
[ 2841.729413][   T10]      inet6_addr_add+0x12f/0xa40
[ 2841.729413][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2841.729413][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2841.729413][   T10]      netlink_rcv_skb+0x130/0x360
[ 2841.729413][   T10]      netlink_unicast+0x449/0x710
[ 2841.729413][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2841.729413][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2841.729413][   T10]      ___sys_sendmsg+0xee/0x170
[ 2841.729413][   T10]      __sys_sendmsg+0xcd/0x170
[ 2841.729413][   T10]      do_syscall_64+0xc6/0x1e0
[ 2841.729413][   T10] 
[ 2841.731364][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2841.731364][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2841.731364][   T10]      ipv6_find_idev+0x102/0x170
[ 2841.731364][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2841.731364][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2841.731364][   T10]      netlink_rcv_skb+0x130/0x360
[ 2841.731364][   T10]      netlink_unicast+0x449/0x710
[ 2841.731364][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2841.731364][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2841.731364][   T10]      ___sys_sendmsg+0xee/0x170
[ 2841.731364][   T10]      __sys_sendmsg+0xcd/0x170
[ 2841.731364][   T10]      do_syscall_64+0xc6/0x1e0
[ 2841.731364][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2841.731364][   T10] 
[ 2841.732899][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2841.732899][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2841.732899][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2841.732899][   T10]      ipv6_find_idev+0x102/0x170
[ 2841.732899][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2841.732899][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2841.732899][   T10]      netlink_rcv_skb+0x130/0x360
[ 2841.732899][   T10]      netlink_unicast+0x449/0x710
[ 2841.732899][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2841.732899][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2841.732899][   T10]      ___sys_sendmsg+0xee/0x170
[ 2841.732899][   T10]      __sys_sendmsg+0xcd/0x170
[ 2841.732899][   T10]      do_syscall_64+0xc6/0x1e0
[ 2841.732899][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2841.732899][   T10] 
[ 2851.975893][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2851.976628][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2851.976628][   T10]      dst_init+0x84/0x4a0
[ 2851.976628][   T10]      dst_alloc+0x97/0x150
[ 2851.976628][   T10]      ip6_dst_alloc+0x23/0x90
[ 2851.976628][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2851.976628][   T10]      ip6_pol_route+0x56f/0x840
[ 2851.976628][   T10]      fib6_rule_lookup+0x456/0x630
[ 2851.976628][   T10]      ip6_route_input+0x59c/0xa50
[ 2851.976628][   T10]      ipv6_rcv+0x397/0x810
[ 2851.976628][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2851.976628][   T10]      process_backlog+0x101/0x620
[ 2851.976628][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2851.976628][   T10]      net_rx_action+0x495/0xbe0
[ 2851.976628][   T10]      __do_softirq+0x1b5/0x7f6
[ 2851.976628][   T10] 
[ 2851.978263][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2851.978263][   T10]      netdev_get_by_index+0x5e/0x80
[ 2851.978263][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2851.978263][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2851.978263][   T10]      ip6_route_add+0x1c/0x140
[ 2851.978263][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2851.978263][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2851.978263][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2851.978263][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2851.978263][   T10]      netlink_rcv_skb+0x130/0x360
[ 2851.978263][   T10]      netlink_unicast+0x449/0x710
[ 2851.978263][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2851.978263][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2851.978263][   T10]      ___sys_sendmsg+0xee/0x170
[ 2851.978263][   T10]      __sys_sendmsg+0xcd/0x170
[ 2851.978263][   T10]      do_syscall_64+0xc6/0x1e0
[ 2851.978263][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2851.978263][   T10] 
[ 2851.980237][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2851.980237][   T10]      netdev_get_by_index+0x5e/0x80
[ 2851.980237][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2851.980237][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2851.980237][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2851.980237][   T10]      ipv6_add_addr+0x411/0x2000
[ 2851.980237][   T10]      inet6_addr_add+0x30e/0xa40
[ 2851.980237][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2851.980237][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2851.980237][   T10]      netlink_rcv_skb+0x130/0x360
[ 2851.980237][   T10]      netlink_unicast+0x449/0x710
[ 2851.980237][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2851.980237][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2851.980237][   T10]      ___sys_sendmsg+0xee/0x170
[ 2851.980237][   T10]      __sys_sendmsg+0xcd/0x170
[ 2851.980237][   T10]      do_syscall_64+0xc6/0x1e0
[ 2851.980237][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2851.980237][   T10] 
[ 2851.982347][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2851.982347][   T10]      netdev_get_by_index+0x5e/0x80
[ 2851.982347][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2851.982347][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2851.982347][   T10]      ip6_route_add+0x1c/0x140
[ 2851.982347][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2851.982347][   T10]      addrconf_add_dev+0xe2/0x170
[ 2851.982347][   T10]      inet6_addr_add+0x12f/0xa40
[ 2851.982347][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2851.982347][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2851.982347][   T10]      netlink_rcv_skb+0x130/0x360
[ 2851.982347][   T10]      netlink_unicast+0x449/0x710
[ 2851.982347][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2851.982347][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2851.982347][   T10]      ___sys_sendmsg+0xee/0x170
[ 2851.982347][   T10]      __sys_sendmsg+0xcd/0x170
[ 2851.982347][   T10]      do_syscall_64+0xc6/0x1e0
[ 2851.982347][   T10] 
[ 2851.984331][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2851.984331][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2851.984331][   T10]      ipv6_find_idev+0x102/0x170
[ 2851.984331][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2851.984331][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2851.984331][   T10]      netlink_rcv_skb+0x130/0x360
[ 2851.984331][   T10]      netlink_unicast+0x449/0x710
[ 2851.984331][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2851.984331][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2851.984331][   T10]      ___sys_sendmsg+0xee/0x170
[ 2851.984331][   T10]      __sys_sendmsg+0xcd/0x170
[ 2851.984331][   T10]      do_syscall_64+0xc6/0x1e0
[ 2851.984331][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2851.984331][   T10] 
[ 2851.985893][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2851.985893][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2851.985893][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2851.985893][   T10]      ipv6_find_idev+0x102/0x170
[ 2851.985893][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2851.985893][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2851.985893][   T10]      netlink_rcv_skb+0x130/0x360
[ 2851.985893][   T10]      netlink_unicast+0x449/0x710
[ 2851.985893][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2851.985893][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2851.985893][   T10]      ___sys_sendmsg+0xee/0x170
[ 2851.985893][   T10]      __sys_sendmsg+0xcd/0x170
[ 2851.985893][   T10]      do_syscall_64+0xc6/0x1e0
[ 2851.985893][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2851.985893][   T10] 
[ 2851.987605][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2851.987869][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2851.987869][   T10]      netdev_get_by_index+0x5e/0x80
[ 2851.987869][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2851.987869][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2851.987869][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2851.987869][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2851.987869][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2851.987869][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2851.987869][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2851.987869][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2851.987869][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2851.987869][   T10]      vfs_write+0x9e5/0x10a0
[ 2851.987869][   T10]      ksys_write+0xf5/0x1e0
[ 2851.987869][   T10]      do_syscall_64+0xc6/0x1e0
[ 2851.987869][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2851.987869][   T10] 
[ 2851.989718][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2851.989718][   T10]      netdev_get_by_index+0x5e/0x80
[ 2851.989718][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2851.989718][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2851.989718][   T10]      ip6_route_add+0x1c/0x140
[ 2851.989718][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2851.989718][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2851.989718][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2851.989718][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2851.989718][   T10]      netlink_rcv_skb+0x130/0x360
[ 2851.989718][   T10]      netlink_unicast+0x449/0x710
[ 2851.989718][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2851.989718][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2851.989718][   T10]      ___sys_sendmsg+0xee/0x170
[ 2851.989718][   T10]      __sys_sendmsg+0xcd/0x170
[ 2851.989718][   T10]      do_syscall_64+0xc6/0x1e0
[ 2851.989718][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2851.989718][   T10] 
[ 2851.991751][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2851.991751][   T10]      netdev_get_by_index+0x5e/0x80
[ 2851.991751][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2851.991751][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2851.991751][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2851.991751][   T10]      ipv6_add_addr+0x411/0x2000
[ 2851.991751][   T10]      inet6_addr_add+0x30e/0xa40
[ 2851.991751][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2851.991751][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2851.991751][   T10]      netlink_rcv_skb+0x130/0x360
[ 2851.991751][   T10]      netlink_unicast+0x449/0x710
[ 2851.991751][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2851.991751][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2851.991751][   T10]      ___sys_sendmsg+0xee/0x170
[ 2851.991751][   T10]      __sys_sendmsg+0xcd/0x170
[ 2851.991751][   T10]      do_syscall_64+0xc6/0x1e0
[ 2851.991751][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2851.991751][   T10] 
[ 2851.993772][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2851.993772][   T10]      netdev_get_by_index+0x5e/0x80
[ 2851.993772][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2851.993772][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2851.993772][   T10]      ip6_route_add+0x1c/0x140
[ 2851.993772][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2851.993772][   T10]      addrconf_add_dev+0xe2/0x170
[ 2851.993772][   T10]      inet6_addr_add+0x12f/0xa40
[ 2851.993772][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2851.993772][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2851.993772][   T10]      netlink_rcv_skb+0x130/0x360
[ 2851.993772][   T10]      netlink_unicast+0x449/0x710
[ 2851.993772][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2851.993772][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2851.993772][   T10]      ___sys_sendmsg+0xee/0x170
[ 2851.993772][   T10]      __sys_sendmsg+0xcd/0x170
[ 2851.993772][   T10]      do_syscall_64+0xc6/0x1e0
[ 2851.993772][   T10] 
[ 2851.995779][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2851.995779][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2851.995779][   T10]      ipv6_find_idev+0x102/0x170
[ 2851.995779][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2851.995779][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2851.995779][   T10]      netlink_rcv_skb+0x130/0x360
[ 2851.995779][   T10]      netlink_unicast+0x449/0x710
[ 2851.995779][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2851.995779][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2851.995779][   T10]      ___sys_sendmsg+0xee/0x170
[ 2851.995779][   T10]      __sys_sendmsg+0xcd/0x170
[ 2851.995779][   T10]      do_syscall_64+0xc6/0x1e0
[ 2851.995779][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2851.995779][   T10] 
[ 2851.997328][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2851.997328][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2851.997328][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2851.997328][   T10]      ipv6_find_idev+0x102/0x170
[ 2851.997328][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2851.997328][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2851.997328][   T10]      netlink_rcv_skb+0x130/0x360
[ 2851.997328][   T10]      netlink_unicast+0x449/0x710
[ 2851.997328][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2851.997328][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2851.997328][   T10]      ___sys_sendmsg+0xee/0x170
[ 2851.997328][   T10]      __sys_sendmsg+0xcd/0x170
[ 2851.997328][   T10]      do_syscall_64+0xc6/0x1e0
[ 2851.997328][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2851.997328][   T10] 
[ 2862.239898][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2862.240501][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2862.240501][   T10]      dst_init+0x84/0x4a0
[ 2862.240501][   T10]      dst_alloc+0x97/0x150
[ 2862.240501][   T10]      ip6_dst_alloc+0x23/0x90
[ 2862.240501][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2862.240501][   T10]      ip6_pol_route+0x56f/0x840
[ 2862.240501][   T10]      fib6_rule_lookup+0x456/0x630
[ 2862.240501][   T10]      ip6_route_input+0x59c/0xa50
[ 2862.240501][   T10]      ipv6_rcv+0x397/0x810
[ 2862.240501][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2862.240501][   T10]      process_backlog+0x101/0x620
[ 2862.240501][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2862.240501][   T10]      net_rx_action+0x495/0xbe0
[ 2862.240501][   T10]      __do_softirq+0x1b5/0x7f6
[ 2862.240501][   T10] 
[ 2862.242161][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2862.242161][   T10]      netdev_get_by_index+0x5e/0x80
[ 2862.242161][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2862.242161][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2862.242161][   T10]      ip6_route_add+0x1c/0x140
[ 2862.242161][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2862.242161][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2862.242161][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2862.242161][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2862.242161][   T10]      netlink_rcv_skb+0x130/0x360
[ 2862.242161][   T10]      netlink_unicast+0x449/0x710
[ 2862.242161][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2862.242161][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2862.242161][   T10]      ___sys_sendmsg+0xee/0x170
[ 2862.242161][   T10]      __sys_sendmsg+0xcd/0x170
[ 2862.242161][   T10]      do_syscall_64+0xc6/0x1e0
[ 2862.242161][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2862.242161][   T10] 
[ 2862.244129][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2862.244129][   T10]      netdev_get_by_index+0x5e/0x80
[ 2862.244129][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2862.244129][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2862.244129][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2862.244129][   T10]      ipv6_add_addr+0x411/0x2000
[ 2862.244129][   T10]      inet6_addr_add+0x30e/0xa40
[ 2862.244129][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2862.244129][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2862.244129][   T10]      netlink_rcv_skb+0x130/0x360
[ 2862.244129][   T10]      netlink_unicast+0x449/0x710
[ 2862.244129][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2862.244129][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2862.244129][   T10]      ___sys_sendmsg+0xee/0x170
[ 2862.244129][   T10]      __sys_sendmsg+0xcd/0x170
[ 2862.244129][   T10]      do_syscall_64+0xc6/0x1e0
[ 2862.244129][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2862.244129][   T10] 
[ 2862.246087][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2862.246087][   T10]      netdev_get_by_index+0x5e/0x80
[ 2862.246087][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2862.246087][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2862.246087][   T10]      ip6_route_add+0x1c/0x140
[ 2862.246087][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2862.246087][   T10]      addrconf_add_dev+0xe2/0x170
[ 2862.246087][   T10]      inet6_addr_add+0x12f/0xa40
[ 2862.246087][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2862.246087][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2862.246087][   T10]      netlink_rcv_skb+0x130/0x360
[ 2862.246087][   T10]      netlink_unicast+0x449/0x710
[ 2862.246087][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2862.246087][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2862.246087][   T10]      ___sys_sendmsg+0xee/0x170
[ 2862.246087][   T10]      __sys_sendmsg+0xcd/0x170
[ 2862.246087][   T10]      do_syscall_64+0xc6/0x1e0
[ 2862.246087][   T10] 
[ 2862.248063][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2862.248063][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2862.248063][   T10]      ipv6_find_idev+0x102/0x170
[ 2862.248063][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2862.248063][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2862.248063][   T10]      netlink_rcv_skb+0x130/0x360
[ 2862.248063][   T10]      netlink_unicast+0x449/0x710
[ 2862.248063][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2862.248063][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2862.248063][   T10]      ___sys_sendmsg+0xee/0x170
[ 2862.248063][   T10]      __sys_sendmsg+0xcd/0x170
[ 2862.248063][   T10]      do_syscall_64+0xc6/0x1e0
[ 2862.248063][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2862.248063][   T10] 
[ 2862.249594][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2862.249594][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2862.249594][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2862.249594][   T10]      ipv6_find_idev+0x102/0x170
[ 2862.249594][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2862.249594][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2862.249594][   T10]      netlink_rcv_skb+0x130/0x360
[ 2862.249594][   T10]      netlink_unicast+0x449/0x710
[ 2862.249594][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2862.249594][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2862.249594][   T10]      ___sys_sendmsg+0xee/0x170
[ 2862.249594][   T10]      __sys_sendmsg+0xcd/0x170
[ 2862.249594][   T10]      do_syscall_64+0xc6/0x1e0
[ 2862.249594][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2862.249594][   T10] 
[ 2862.251368][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2862.251610][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2862.251610][   T10]      netdev_get_by_index+0x5e/0x80
[ 2862.251610][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2862.251610][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2862.251610][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2862.251610][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2862.251610][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2862.251610][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2862.251610][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2862.251610][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2862.251610][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2862.251610][   T10]      vfs_write+0x9e5/0x10a0
[ 2862.251610][   T10]      ksys_write+0xf5/0x1e0
[ 2862.251610][   T10]      do_syscall_64+0xc6/0x1e0
[ 2862.251610][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2862.251610][   T10] 
[ 2862.253437][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2862.253437][   T10]      netdev_get_by_index+0x5e/0x80
[ 2862.253437][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2862.253437][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2862.253437][   T10]      ip6_route_add+0x1c/0x140
[ 2862.253437][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2862.253437][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2862.253437][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2862.253437][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2862.253437][   T10]      netlink_rcv_skb+0x130/0x360
[ 2862.253437][   T10]      netlink_unicast+0x449/0x710
[ 2862.253437][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2862.253437][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2862.253437][   T10]      ___sys_sendmsg+0xee/0x170
[ 2862.253437][   T10]      __sys_sendmsg+0xcd/0x170
[ 2862.253437][   T10]      do_syscall_64+0xc6/0x1e0
[ 2862.253437][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2862.253437][   T10] 
[ 2862.255477][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2862.255477][   T10]      netdev_get_by_index+0x5e/0x80
[ 2862.255477][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2862.255477][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2862.255477][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2862.255477][   T10]      ipv6_add_addr+0x411/0x2000
[ 2862.255477][   T10]      inet6_addr_add+0x30e/0xa40
[ 2862.255477][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2862.255477][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2862.255477][   T10]      netlink_rcv_skb+0x130/0x360
[ 2862.255477][   T10]      netlink_unicast+0x449/0x710
[ 2862.255477][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2862.255477][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2862.255477][   T10]      ___sys_sendmsg+0xee/0x170
[ 2862.255477][   T10]      __sys_sendmsg+0xcd/0x170
[ 2862.255477][   T10]      do_syscall_64+0xc6/0x1e0
[ 2862.255477][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2862.255477][   T10] 
[ 2862.257492][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2862.257492][   T10]      netdev_get_by_index+0x5e/0x80
[ 2862.257492][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2862.257492][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2862.257492][   T10]      ip6_route_add+0x1c/0x140
[ 2862.257492][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2862.257492][   T10]      addrconf_add_dev+0xe2/0x170
[ 2862.257492][   T10]      inet6_addr_add+0x12f/0xa40
[ 2862.257492][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2862.257492][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2862.257492][   T10]      netlink_rcv_skb+0x130/0x360
[ 2862.257492][   T10]      netlink_unicast+0x449/0x710
[ 2862.257492][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2862.257492][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2862.257492][   T10]      ___sys_sendmsg+0xee/0x170
[ 2862.257492][   T10]      __sys_sendmsg+0xcd/0x170
[ 2862.257492][   T10]      do_syscall_64+0xc6/0x1e0
[ 2862.257492][   T10] 
[ 2862.259476][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2862.259476][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2862.259476][   T10]      ipv6_find_idev+0x102/0x170
[ 2862.259476][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2862.259476][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2862.259476][   T10]      netlink_rcv_skb+0x130/0x360
[ 2862.259476][   T10]      netlink_unicast+0x449/0x710
[ 2862.259476][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2862.259476][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2862.259476][   T10]      ___sys_sendmsg+0xee/0x170
[ 2862.259476][   T10]      __sys_sendmsg+0xcd/0x170
[ 2862.259476][   T10]      do_syscall_64+0xc6/0x1e0
[ 2862.259476][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2862.259476][   T10] 
[ 2862.261030][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2862.261030][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2862.261030][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2862.261030][   T10]      ipv6_find_idev+0x102/0x170
[ 2862.261030][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2862.261030][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2862.261030][   T10]      netlink_rcv_skb+0x130/0x360
[ 2862.261030][   T10]      netlink_unicast+0x449/0x710
[ 2862.261030][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2862.261030][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2862.261030][   T10]      ___sys_sendmsg+0xee/0x170
[ 2862.261030][   T10]      __sys_sendmsg+0xcd/0x170
[ 2862.261030][   T10]      do_syscall_64+0xc6/0x1e0
[ 2862.261030][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2862.261030][   T10] 
[ 2872.503878][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2872.504437][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2872.504437][   T10]      dst_init+0x84/0x4a0
[ 2872.504437][   T10]      dst_alloc+0x97/0x150
[ 2872.504437][   T10]      ip6_dst_alloc+0x23/0x90
[ 2872.504437][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2872.504437][   T10]      ip6_pol_route+0x56f/0x840
[ 2872.504437][   T10]      fib6_rule_lookup+0x456/0x630
[ 2872.504437][   T10]      ip6_route_input+0x59c/0xa50
[ 2872.504437][   T10]      ipv6_rcv+0x397/0x810
[ 2872.504437][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2872.504437][   T10]      process_backlog+0x101/0x620
[ 2872.504437][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2872.504437][   T10]      net_rx_action+0x495/0xbe0
[ 2872.504437][   T10]      __do_softirq+0x1b5/0x7f6
[ 2872.504437][   T10] 
[ 2872.506118][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2872.506118][   T10]      netdev_get_by_index+0x5e/0x80
[ 2872.506118][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2872.506118][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2872.506118][   T10]      ip6_route_add+0x1c/0x140
[ 2872.506118][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2872.506118][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2872.506118][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2872.506118][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2872.506118][   T10]      netlink_rcv_skb+0x130/0x360
[ 2872.506118][   T10]      netlink_unicast+0x449/0x710
[ 2872.506118][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2872.506118][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2872.506118][   T10]      ___sys_sendmsg+0xee/0x170
[ 2872.506118][   T10]      __sys_sendmsg+0xcd/0x170
[ 2872.506118][   T10]      do_syscall_64+0xc6/0x1e0
[ 2872.506118][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2872.506118][   T10] 
[ 2872.508167][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2872.508167][   T10]      netdev_get_by_index+0x5e/0x80
[ 2872.508167][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2872.508167][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2872.508167][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2872.508167][   T10]      ipv6_add_addr+0x411/0x2000
[ 2872.508167][   T10]      inet6_addr_add+0x30e/0xa40
[ 2872.508167][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2872.508167][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2872.508167][   T10]      netlink_rcv_skb+0x130/0x360
[ 2872.508167][   T10]      netlink_unicast+0x449/0x710
[ 2872.508167][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2872.508167][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2872.508167][   T10]      ___sys_sendmsg+0xee/0x170
[ 2872.508167][   T10]      __sys_sendmsg+0xcd/0x170
[ 2872.508167][   T10]      do_syscall_64+0xc6/0x1e0
[ 2872.508167][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2872.508167][   T10] 
[ 2872.510213][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2872.510213][   T10]      netdev_get_by_index+0x5e/0x80
[ 2872.510213][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2872.510213][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2872.510213][   T10]      ip6_route_add+0x1c/0x140
[ 2872.510213][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2872.510213][   T10]      addrconf_add_dev+0xe2/0x170
[ 2872.510213][   T10]      inet6_addr_add+0x12f/0xa40
[ 2872.510213][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2872.510213][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2872.510213][   T10]      netlink_rcv_skb+0x130/0x360
[ 2872.510213][   T10]      netlink_unicast+0x449/0x710
[ 2872.510213][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2872.510213][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2872.510213][   T10]      ___sys_sendmsg+0xee/0x170
[ 2872.510213][   T10]      __sys_sendmsg+0xcd/0x170
[ 2872.510213][   T10]      do_syscall_64+0xc6/0x1e0
[ 2872.510213][   T10] 
[ 2872.512276][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2872.512276][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2872.512276][   T10]      ipv6_find_idev+0x102/0x170
[ 2872.512276][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2872.512276][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2872.512276][   T10]      netlink_rcv_skb+0x130/0x360
[ 2872.512276][   T10]      netlink_unicast+0x449/0x710
[ 2872.512276][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2872.512276][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2872.512276][   T10]      ___sys_sendmsg+0xee/0x170
[ 2872.512276][   T10]      __sys_sendmsg+0xcd/0x170
[ 2872.512276][   T10]      do_syscall_64+0xc6/0x1e0
[ 2872.512276][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2872.512276][   T10] 
[ 2872.513842][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2872.513842][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2872.513842][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2872.513842][   T10]      ipv6_find_idev+0x102/0x170
[ 2872.513842][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2872.513842][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2872.513842][   T10]      netlink_rcv_skb+0x130/0x360
[ 2872.513842][   T10]      netlink_unicast+0x449/0x710
[ 2872.513842][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2872.513842][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2872.513842][   T10]      ___sys_sendmsg+0xee/0x170
[ 2872.513842][   T10]      __sys_sendmsg+0xcd/0x170
[ 2872.513842][   T10]      do_syscall_64+0xc6/0x1e0
[ 2872.513842][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2872.513842][   T10] 
[ 2872.515505][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2872.515785][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2872.515785][   T10]      netdev_get_by_index+0x5e/0x80
[ 2872.515785][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2872.515785][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2872.515785][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2872.515785][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2872.515785][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2872.515785][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2872.515785][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2872.515785][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2872.515785][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2872.515785][   T10]      vfs_write+0x9e5/0x10a0
[ 2872.515785][   T10]      ksys_write+0xf5/0x1e0
[ 2872.515785][   T10]      do_syscall_64+0xc6/0x1e0
[ 2872.515785][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2872.515785][   T10] 
[ 2872.517652][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2872.517652][   T10]      netdev_get_by_index+0x5e/0x80
[ 2872.517652][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2872.517652][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2872.517652][   T10]      ip6_route_add+0x1c/0x140
[ 2872.517652][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2872.517652][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2872.517652][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2872.517652][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2872.517652][   T10]      netlink_rcv_skb+0x130/0x360
[ 2872.517652][   T10]      netlink_unicast+0x449/0x710
[ 2872.517652][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2872.517652][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2872.517652][   T10]      ___sys_sendmsg+0xee/0x170
[ 2872.517652][   T10]      __sys_sendmsg+0xcd/0x170
[ 2872.517652][   T10]      do_syscall_64+0xc6/0x1e0
[ 2872.517652][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2872.517652][   T10] 
[ 2872.519666][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2872.519666][   T10]      netdev_get_by_index+0x5e/0x80
[ 2872.519666][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2872.519666][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2872.519666][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2872.519666][   T10]      ipv6_add_addr+0x411/0x2000
[ 2872.519666][   T10]      inet6_addr_add+0x30e/0xa40
[ 2872.519666][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2872.519666][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2872.519666][   T10]      netlink_rcv_skb+0x130/0x360
[ 2872.519666][   T10]      netlink_unicast+0x449/0x710
[ 2872.519666][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2872.519666][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2872.519666][   T10]      ___sys_sendmsg+0xee/0x170
[ 2872.519666][   T10]      __sys_sendmsg+0xcd/0x170
[ 2872.519666][   T10]      do_syscall_64+0xc6/0x1e0
[ 2872.519666][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2872.519666][   T10] 
[ 2872.521686][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2872.521686][   T10]      netdev_get_by_index+0x5e/0x80
[ 2872.521686][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2872.521686][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2872.521686][   T10]      ip6_route_add+0x1c/0x140
[ 2872.521686][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2872.521686][   T10]      addrconf_add_dev+0xe2/0x170
[ 2872.521686][   T10]      inet6_addr_add+0x12f/0xa40
[ 2872.521686][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2872.521686][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2872.521686][   T10]      netlink_rcv_skb+0x130/0x360
[ 2872.521686][   T10]      netlink_unicast+0x449/0x710
[ 2872.521686][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2872.521686][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2872.521686][   T10]      ___sys_sendmsg+0xee/0x170
[ 2872.521686][   T10]      __sys_sendmsg+0xcd/0x170
[ 2872.521686][   T10]      do_syscall_64+0xc6/0x1e0
[ 2872.521686][   T10] 
[ 2872.523670][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2872.523670][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2872.523670][   T10]      ipv6_find_idev+0x102/0x170
[ 2872.523670][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2872.523670][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2872.523670][   T10]      netlink_rcv_skb+0x130/0x360
[ 2872.523670][   T10]      netlink_unicast+0x449/0x710
[ 2872.523670][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2872.523670][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2872.523670][   T10]      ___sys_sendmsg+0xee/0x170
[ 2872.523670][   T10]      __sys_sendmsg+0xcd/0x170
[ 2872.523670][   T10]      do_syscall_64+0xc6/0x1e0
[ 2872.523670][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2872.523670][   T10] 
[ 2872.525228][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2872.525228][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2872.525228][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2872.525228][   T10]      ipv6_find_idev+0x102/0x170
[ 2872.525228][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2872.525228][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2872.525228][   T10]      netlink_rcv_skb+0x130/0x360
[ 2872.525228][   T10]      netlink_unicast+0x449/0x710
[ 2872.525228][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2872.525228][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2872.525228][   T10]      ___sys_sendmsg+0xee/0x170
[ 2872.525228][   T10]      __sys_sendmsg+0xcd/0x170
[ 2872.525228][   T10]      do_syscall_64+0xc6/0x1e0
[ 2872.525228][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2872.525228][   T10] 
[ 2882.767897][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12
[ 2882.768435][   T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at
[ 2882.768435][   T10]      dst_init+0x84/0x4a0
[ 2882.768435][   T10]      dst_alloc+0x97/0x150
[ 2882.768435][   T10]      ip6_dst_alloc+0x23/0x90
[ 2882.768435][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2882.768435][   T10]      ip6_pol_route+0x56f/0x840
[ 2882.768435][   T10]      fib6_rule_lookup+0x456/0x630
[ 2882.768435][   T10]      ip6_route_input+0x59c/0xa50
[ 2882.768435][   T10]      ipv6_rcv+0x397/0x810
[ 2882.768435][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2882.768435][   T10]      process_backlog+0x101/0x620
[ 2882.768435][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2882.768435][   T10]      net_rx_action+0x495/0xbe0
[ 2882.768435][   T10]      __do_softirq+0x1b5/0x7f6
[ 2882.768435][   T10] 
[ 2882.770146][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2882.770146][   T10]      netdev_get_by_index+0x5e/0x80
[ 2882.770146][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2882.770146][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2882.770146][   T10]      ip6_route_add+0x1c/0x140
[ 2882.770146][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2882.770146][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2882.770146][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2882.770146][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2882.770146][   T10]      netlink_rcv_skb+0x130/0x360
[ 2882.770146][   T10]      netlink_unicast+0x449/0x710
[ 2882.770146][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2882.770146][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2882.770146][   T10]      ___sys_sendmsg+0xee/0x170
[ 2882.770146][   T10]      __sys_sendmsg+0xcd/0x170
[ 2882.770146][   T10]      do_syscall_64+0xc6/0x1e0
[ 2882.770146][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2882.770146][   T10] 
[ 2882.772171][   T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at
[ 2882.772171][   T10]      netdev_get_by_index+0x5e/0x80
[ 2882.772171][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2882.772171][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2882.772171][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2882.772171][   T10]      ipv6_add_addr+0x411/0x2000
[ 2882.772171][   T10]      inet6_addr_add+0x30e/0xa40
[ 2882.772171][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2882.772171][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2882.772171][   T10]      netlink_rcv_skb+0x130/0x360
[ 2882.772171][   T10]      netlink_unicast+0x449/0x710
[ 2882.772171][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2882.772171][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2882.772171][   T10]      ___sys_sendmsg+0xee/0x170
[ 2882.772171][   T10]      __sys_sendmsg+0xcd/0x170
[ 2882.772171][   T10]      do_syscall_64+0xc6/0x1e0
[ 2882.772171][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2882.772171][   T10] 
[ 2882.774146][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2882.774146][   T10]      netdev_get_by_index+0x5e/0x80
[ 2882.774146][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2882.774146][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2882.774146][   T10]      ip6_route_add+0x1c/0x140
[ 2882.774146][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2882.774146][   T10]      addrconf_add_dev+0xe2/0x170
[ 2882.774146][   T10]      inet6_addr_add+0x12f/0xa40
[ 2882.774146][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2882.774146][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2882.774146][   T10]      netlink_rcv_skb+0x130/0x360
[ 2882.774146][   T10]      netlink_unicast+0x449/0x710
[ 2882.774146][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2882.774146][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2882.774146][   T10]      ___sys_sendmsg+0xee/0x170
[ 2882.774146][   T10]      __sys_sendmsg+0xcd/0x170
[ 2882.774146][   T10]      do_syscall_64+0xc6/0x1e0
[ 2882.774146][   T10] 
[ 2882.776127][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2882.776127][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2882.776127][   T10]      ipv6_find_idev+0x102/0x170
[ 2882.776127][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2882.776127][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2882.776127][   T10]      netlink_rcv_skb+0x130/0x360
[ 2882.776127][   T10]      netlink_unicast+0x449/0x710
[ 2882.776127][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2882.776127][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2882.776127][   T10]      ___sys_sendmsg+0xee/0x170
[ 2882.776127][   T10]      __sys_sendmsg+0xcd/0x170
[ 2882.776127][   T10]      do_syscall_64+0xc6/0x1e0
[ 2882.776127][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2882.776127][   T10] 
[ 2882.777663][   T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at
[ 2882.777663][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2882.777663][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2882.777663][   T10]      ipv6_find_idev+0x102/0x170
[ 2882.777663][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2882.777663][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2882.777663][   T10]      netlink_rcv_skb+0x130/0x360
[ 2882.777663][   T10]      netlink_unicast+0x449/0x710
[ 2882.777663][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2882.777663][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2882.777663][   T10]      ___sys_sendmsg+0xee/0x170
[ 2882.777663][   T10]      __sys_sendmsg+0xcd/0x170
[ 2882.777663][   T10]      do_syscall_64+0xc6/0x1e0
[ 2882.777663][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2882.777663][   T10] 
[ 2882.779317][   T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7
[ 2882.779581][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2882.779581][   T10]      netdev_get_by_index+0x5e/0x80
[ 2882.779581][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2882.779581][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2882.779581][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2882.779581][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2882.779581][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2882.779581][   T10]      dev_forward_change+0x2a6/0x7b0
[ 2882.779581][   T10]      addrconf_fixup_forwarding+0x152/0x460
[ 2882.779581][   T10]      addrconf_sysctl_forward+0x212/0x2b0
[ 2882.779581][   T10]      proc_sys_call_handler+0x403/0x5e0
[ 2882.779581][   T10]      vfs_write+0x9e5/0x10a0
[ 2882.779581][   T10]      ksys_write+0xf5/0x1e0
[ 2882.779581][   T10]      do_syscall_64+0xc6/0x1e0
[ 2882.779581][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2882.779581][   T10] 
[ 2882.781423][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2882.781423][   T10]      netdev_get_by_index+0x5e/0x80
[ 2882.781423][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2882.781423][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2882.781423][   T10]      ip6_route_add+0x1c/0x140
[ 2882.781423][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2882.781423][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2882.781423][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2882.781423][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2882.781423][   T10]      netlink_rcv_skb+0x130/0x360
[ 2882.781423][   T10]      netlink_unicast+0x449/0x710
[ 2882.781423][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2882.781423][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2882.781423][   T10]      ___sys_sendmsg+0xee/0x170
[ 2882.781423][   T10]      __sys_sendmsg+0xcd/0x170
[ 2882.781423][   T10]      do_syscall_64+0xc6/0x1e0
[ 2882.781423][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2882.781423][   T10] 
[ 2882.783444][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2882.783444][   T10]      netdev_get_by_index+0x5e/0x80
[ 2882.783444][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2882.783444][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2882.783444][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2882.783444][   T10]      ipv6_add_addr+0x411/0x2000
[ 2882.783444][   T10]      inet6_addr_add+0x30e/0xa40
[ 2882.783444][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2882.783444][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2882.783444][   T10]      netlink_rcv_skb+0x130/0x360
[ 2882.783444][   T10]      netlink_unicast+0x449/0x710
[ 2882.783444][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2882.783444][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2882.783444][   T10]      ___sys_sendmsg+0xee/0x170
[ 2882.783444][   T10]      __sys_sendmsg+0xcd/0x170
[ 2882.783444][   T10]      do_syscall_64+0xc6/0x1e0
[ 2882.783444][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2882.783444][   T10] 
[ 2882.785405][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2882.785405][   T10]      netdev_get_by_index+0x5e/0x80
[ 2882.785405][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2882.785405][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2882.785405][   T10]      ip6_route_add+0x1c/0x140
[ 2882.785405][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2882.785405][   T10]      addrconf_add_dev+0xe2/0x170
[ 2882.785405][   T10]      inet6_addr_add+0x12f/0xa40
[ 2882.785405][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2882.785405][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2882.785405][   T10]      netlink_rcv_skb+0x130/0x360
[ 2882.785405][   T10]      netlink_unicast+0x449/0x710
[ 2882.785405][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2882.785405][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2882.785405][   T10]      ___sys_sendmsg+0xee/0x170
[ 2882.785405][   T10]      __sys_sendmsg+0xcd/0x170
[ 2882.785405][   T10]      do_syscall_64+0xc6/0x1e0
[ 2882.785405][   T10] 
[ 2882.787360][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2882.787360][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2882.787360][   T10]      ipv6_find_idev+0x102/0x170
[ 2882.787360][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2882.787360][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2882.787360][   T10]      netlink_rcv_skb+0x130/0x360
[ 2882.787360][   T10]      netlink_unicast+0x449/0x710
[ 2882.787360][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2882.787360][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2882.787360][   T10]      ___sys_sendmsg+0xee/0x170
[ 2882.787360][   T10]      __sys_sendmsg+0xcd/0x170
[ 2882.787360][   T10]      do_syscall_64+0xc6/0x1e0
[ 2882.787360][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2882.787360][   T10] 
[ 2882.788901][   T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at
[ 2882.788901][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2882.788901][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2882.788901][   T10]      ipv6_find_idev+0x102/0x170
[ 2882.788901][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2882.788901][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2882.788901][   T10]      netlink_rcv_skb+0x130/0x360
[ 2882.788901][   T10]      netlink_unicast+0x449/0x710
[ 2882.788901][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2882.788901][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2882.788901][   T10]      ___sys_sendmsg+0xee/0x170
[ 2882.788901][   T10]      __sys_sendmsg+0xcd/0x170
[ 2882.788901][   T10]      do_syscall_64+0xc6/0x1e0
[ 2882.788901][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2882.788901][   T10] 

HARD STOP (1363.93328)

WAIT TIMEOUT stderr

Ctrl-C stderr

Ctrl-C stderr