[ 1050.024652][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1050.025023][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1050.025023][   T10]      netdev_get_by_index+0x5e/0x80
[ 1050.025023][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1050.025023][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1050.025023][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1050.025023][   T10]      ipv6_add_addr+0x411/0x2000
[ 1050.025023][   T10]      inet6_addr_add+0x30e/0xa40
[ 1050.025023][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1050.025023][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1050.025023][   T10]      netlink_rcv_skb+0x130/0x360
[ 1050.025023][   T10]      netlink_unicast+0x449/0x710
[ 1050.025023][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1050.025023][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1050.025023][   T10]      ___sys_sendmsg+0xee/0x170
[ 1050.025023][   T10]      __sys_sendmsg+0xcd/0x170
[ 1050.025023][   T10]      do_syscall_64+0xc6/0x1e0
[ 1050.025023][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1050.025023][   T10] 
[ 1050.027287][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1050.027287][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1050.027287][   T10]      ipv6_find_idev+0x102/0x170
[ 1050.027287][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1050.027287][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1050.027287][   T10]      netlink_rcv_skb+0x130/0x360
[ 1050.027287][   T10]      netlink_unicast+0x449/0x710
[ 1050.027287][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1050.027287][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1050.027287][   T10]      ___sys_sendmsg+0xee/0x170
[ 1050.027287][   T10]      __sys_sendmsg+0xcd/0x170
[ 1050.027287][   T10]      do_syscall_64+0xc6/0x1e0
[ 1050.027287][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1050.027287][   T10] 
[ 1050.029017][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1050.029017][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1050.029017][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1050.029017][   T10]      ipv6_find_idev+0x102/0x170
[ 1050.029017][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1050.029017][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1050.029017][   T10]      netlink_rcv_skb+0x130/0x360
[ 1050.029017][   T10]      netlink_unicast+0x449/0x710
[ 1050.029017][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1050.029017][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1050.029017][   T10]      ___sys_sendmsg+0xee/0x170
[ 1050.029017][   T10]      __sys_sendmsg+0xcd/0x170
[ 1050.029017][   T10]      do_syscall_64+0xc6/0x1e0
[ 1050.029017][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1050.029017][   T10] 
[ 1050.030894][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1050.031176][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1050.031176][   T10]      netdev_get_by_index+0x5e/0x80
[ 1050.031176][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1050.031176][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1050.031176][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1050.031176][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1050.031176][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1050.031176][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1050.031176][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1050.031176][   T10]      addrconf_dad_begin+0x310/0x670
[ 1050.031176][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1050.031176][   T10]      process_one_work+0x84d/0x18a0
[ 1050.031176][   T10]      worker_thread+0x587/0xd30
[ 1050.031176][   T10]      kthread+0x28a/0x350
[ 1050.031176][   T10]      ret_from_fork+0x31/0x70
[ 1050.031176][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1050.031176][   T10] 
[ 1050.033264][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1050.033264][   T10]      netdev_get_by_index+0x5e/0x80
[ 1050.033264][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1050.033264][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1050.033264][   T10]      ip6_route_add+0x1c/0x140
[ 1050.033264][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1050.033264][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1050.033264][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1050.033264][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1050.033264][   T10]      netlink_rcv_skb+0x130/0x360
[ 1050.033264][   T10]      netlink_unicast+0x449/0x710
[ 1050.033264][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1050.033264][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1050.033264][   T10]      ___sys_sendmsg+0xee/0x170
[ 1050.033264][   T10]      __sys_sendmsg+0xcd/0x170
[ 1050.033264][   T10]      do_syscall_64+0xc6/0x1e0
[ 1050.033264][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1050.033264][   T10] 
[ 1050.035497][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1050.035497][   T10]      netdev_get_by_index+0x5e/0x80
[ 1050.035497][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1050.035497][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1050.035497][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1050.035497][   T10]      ipv6_add_addr+0x411/0x2000
[ 1050.035497][   T10]      inet6_addr_add+0x30e/0xa40
[ 1050.035497][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1050.035497][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1050.035497][   T10]      netlink_rcv_skb+0x130/0x360
[ 1050.035497][   T10]      netlink_unicast+0x449/0x710
[ 1050.035497][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1050.035497][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1050.035497][   T10]      ___sys_sendmsg+0xee/0x170
[ 1050.035497][   T10]      __sys_sendmsg+0xcd/0x170
[ 1050.035497][   T10]      do_syscall_64+0xc6/0x1e0
[ 1050.035497][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1050.035497][   T10] 
[ 1050.037765][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1050.037765][   T10]      netdev_get_by_index+0x5e/0x80
[ 1050.037765][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1050.037765][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1050.037765][   T10]      ip6_route_add+0x1c/0x140
[ 1050.037765][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1050.037765][   T10]      addrconf_add_dev+0xe2/0x170
[ 1050.037765][   T10]      inet6_addr_add+0x12f/0xa40
[ 1050.037765][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1050.037765][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1050.037765][   T10]      netlink_rcv_skb+0x130/0x360
[ 1050.037765][   T10]      netlink_unicast+0x449/0x710
[ 1050.037765][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1050.037765][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1050.037765][   T10]      ___sys_sendmsg+0xee/0x170
[ 1050.037765][   T10]      __sys_sendmsg+0xcd/0x170
[ 1050.037765][   T10]      do_syscall_64+0xc6/0x1e0
[ 1050.037765][   T10] 
[ 1050.039969][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1050.039969][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1050.039969][   T10]      ipv6_find_idev+0x102/0x170
[ 1050.039969][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1050.039969][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1050.039969][   T10]      netlink_rcv_skb+0x130/0x360
[ 1050.039969][   T10]      netlink_unicast+0x449/0x710
[ 1050.039969][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1050.039969][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1050.039969][   T10]      ___sys_sendmsg+0xee/0x170
[ 1050.039969][   T10]      __sys_sendmsg+0xcd/0x170
[ 1050.039969][   T10]      do_syscall_64+0xc6/0x1e0
[ 1050.039969][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1050.039969][   T10] 
[ 1050.041682][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1050.041682][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1050.041682][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1050.041682][   T10]      ipv6_find_idev+0x102/0x170
[ 1050.041682][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1050.041682][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1050.041682][   T10]      netlink_rcv_skb+0x130/0x360
[ 1050.041682][   T10]      netlink_unicast+0x449/0x710
[ 1050.041682][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1050.041682][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1050.041682][   T10]      ___sys_sendmsg+0xee/0x170
[ 1050.041682][   T10]      __sys_sendmsg+0xcd/0x170
[ 1050.041682][   T10]      do_syscall_64+0xc6/0x1e0
[ 1050.041682][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1050.041682][   T10] 
[ 1060.192662][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1060.193002][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1060.193002][   T10]      netdev_get_by_index+0x5e/0x80
[ 1060.193002][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1060.193002][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1060.193002][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1060.193002][   T10]      ipv6_add_addr+0x411/0x2000
[ 1060.193002][   T10]      inet6_addr_add+0x30e/0xa40
[ 1060.193002][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1060.193002][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1060.193002][   T10]      netlink_rcv_skb+0x130/0x360
[ 1060.193002][   T10]      netlink_unicast+0x449/0x710
[ 1060.193002][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1060.193002][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1060.193002][   T10]      ___sys_sendmsg+0xee/0x170
[ 1060.193002][   T10]      __sys_sendmsg+0xcd/0x170
[ 1060.193002][   T10]      do_syscall_64+0xc6/0x1e0
[ 1060.193002][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1060.193002][   T10] 
[ 1060.195367][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1060.195367][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1060.195367][   T10]      ipv6_find_idev+0x102/0x170
[ 1060.195367][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1060.195367][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1060.195367][   T10]      netlink_rcv_skb+0x130/0x360
[ 1060.195367][   T10]      netlink_unicast+0x449/0x710
[ 1060.195367][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1060.195367][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1060.195367][   T10]      ___sys_sendmsg+0xee/0x170
[ 1060.195367][   T10]      __sys_sendmsg+0xcd/0x170
[ 1060.195367][   T10]      do_syscall_64+0xc6/0x1e0
[ 1060.195367][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1060.195367][   T10] 
[ 1060.197179][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1060.197179][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1060.197179][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1060.197179][   T10]      ipv6_find_idev+0x102/0x170
[ 1060.197179][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1060.197179][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1060.197179][   T10]      netlink_rcv_skb+0x130/0x360
[ 1060.197179][   T10]      netlink_unicast+0x449/0x710
[ 1060.197179][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1060.197179][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1060.197179][   T10]      ___sys_sendmsg+0xee/0x170
[ 1060.197179][   T10]      __sys_sendmsg+0xcd/0x170
[ 1060.197179][   T10]      do_syscall_64+0xc6/0x1e0
[ 1060.197179][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1060.197179][   T10] 
[ 1060.199172][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1060.199454][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1060.199454][   T10]      netdev_get_by_index+0x5e/0x80
[ 1060.199454][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1060.199454][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1060.199454][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1060.199454][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1060.199454][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1060.199454][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1060.199454][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1060.199454][   T10]      addrconf_dad_begin+0x310/0x670
[ 1060.199454][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1060.199454][   T10]      process_one_work+0x84d/0x18a0
[ 1060.199454][   T10]      worker_thread+0x587/0xd30
[ 1060.199454][   T10]      kthread+0x28a/0x350
[ 1060.199454][   T10]      ret_from_fork+0x31/0x70
[ 1060.199454][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1060.199454][   T10] 
[ 1060.201630][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1060.201630][   T10]      netdev_get_by_index+0x5e/0x80
[ 1060.201630][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1060.201630][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1060.201630][   T10]      ip6_route_add+0x1c/0x140
[ 1060.201630][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1060.201630][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1060.201630][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1060.201630][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1060.201630][   T10]      netlink_rcv_skb+0x130/0x360
[ 1060.201630][   T10]      netlink_unicast+0x449/0x710
[ 1060.201630][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1060.201630][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1060.201630][   T10]      ___sys_sendmsg+0xee/0x170
[ 1060.201630][   T10]      __sys_sendmsg+0xcd/0x170
[ 1060.201630][   T10]      do_syscall_64+0xc6/0x1e0
[ 1060.201630][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1060.201630][   T10] 
[ 1060.203992][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1060.203992][   T10]      netdev_get_by_index+0x5e/0x80
[ 1060.203992][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1060.203992][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1060.203992][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1060.203992][   T10]      ipv6_add_addr+0x411/0x2000
[ 1060.203992][   T10]      inet6_addr_add+0x30e/0xa40
[ 1060.203992][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1060.203992][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1060.203992][   T10]      netlink_rcv_skb+0x130/0x360
[ 1060.203992][   T10]      netlink_unicast+0x449/0x710
[ 1060.203992][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1060.203992][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1060.203992][   T10]      ___sys_sendmsg+0xee/0x170
[ 1060.203992][   T10]      __sys_sendmsg+0xcd/0x170
[ 1060.203992][   T10]      do_syscall_64+0xc6/0x1e0
[ 1060.203992][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1060.203992][   T10] 
[ 1060.206343][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1060.206343][   T10]      netdev_get_by_index+0x5e/0x80
[ 1060.206343][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1060.206343][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1060.206343][   T10]      ip6_route_add+0x1c/0x140
[ 1060.206343][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1060.206343][   T10]      addrconf_add_dev+0xe2/0x170
[ 1060.206343][   T10]      inet6_addr_add+0x12f/0xa40
[ 1060.206343][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1060.206343][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1060.206343][   T10]      netlink_rcv_skb+0x130/0x360
[ 1060.206343][   T10]      netlink_unicast+0x449/0x710
[ 1060.206343][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1060.206343][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1060.206343][   T10]      ___sys_sendmsg+0xee/0x170
[ 1060.206343][   T10]      __sys_sendmsg+0xcd/0x170
[ 1060.206343][   T10]      do_syscall_64+0xc6/0x1e0
[ 1060.206343][   T10] 
[ 1060.208675][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1060.208675][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1060.208675][   T10]      ipv6_find_idev+0x102/0x170
[ 1060.208675][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1060.208675][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1060.208675][   T10]      netlink_rcv_skb+0x130/0x360
[ 1060.208675][   T10]      netlink_unicast+0x449/0x710
[ 1060.208675][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1060.208675][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1060.208675][   T10]      ___sys_sendmsg+0xee/0x170
[ 1060.208675][   T10]      __sys_sendmsg+0xcd/0x170
[ 1060.208675][   T10]      do_syscall_64+0xc6/0x1e0
[ 1060.208675][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1060.208675][   T10] 
[ 1060.210493][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1060.210493][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1060.210493][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1060.210493][   T10]      ipv6_find_idev+0x102/0x170
[ 1060.210493][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1060.210493][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1060.210493][   T10]      netlink_rcv_skb+0x130/0x360
[ 1060.210493][   T10]      netlink_unicast+0x449/0x710
[ 1060.210493][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1060.210493][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1060.210493][   T10]      ___sys_sendmsg+0xee/0x170
[ 1060.210493][   T10]      __sys_sendmsg+0xcd/0x170
[ 1060.210493][   T10]      do_syscall_64+0xc6/0x1e0
[ 1060.210493][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1060.210493][   T10] 
[ 1070.376757][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1070.377190][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1070.377190][   T10]      netdev_get_by_index+0x5e/0x80
[ 1070.377190][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1070.377190][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1070.377190][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1070.377190][   T10]      ipv6_add_addr+0x411/0x2000
[ 1070.377190][   T10]      inet6_addr_add+0x30e/0xa40
[ 1070.377190][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1070.377190][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1070.377190][   T10]      netlink_rcv_skb+0x130/0x360
[ 1070.377190][   T10]      netlink_unicast+0x449/0x710
[ 1070.377190][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1070.377190][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1070.377190][   T10]      ___sys_sendmsg+0xee/0x170
[ 1070.377190][   T10]      __sys_sendmsg+0xcd/0x170
[ 1070.377190][   T10]      do_syscall_64+0xc6/0x1e0
[ 1070.377190][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1070.377190][   T10] 
[ 1070.379371][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1070.379371][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1070.379371][   T10]      ipv6_find_idev+0x102/0x170
[ 1070.379371][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1070.379371][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1070.379371][   T10]      netlink_rcv_skb+0x130/0x360
[ 1070.379371][   T10]      netlink_unicast+0x449/0x710
[ 1070.379371][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1070.379371][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1070.379371][   T10]      ___sys_sendmsg+0xee/0x170
[ 1070.379371][   T10]      __sys_sendmsg+0xcd/0x170
[ 1070.379371][   T10]      do_syscall_64+0xc6/0x1e0
[ 1070.379371][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1070.379371][   T10] 
[ 1070.381017][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1070.381017][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1070.381017][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1070.381017][   T10]      ipv6_find_idev+0x102/0x170
[ 1070.381017][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1070.381017][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1070.381017][   T10]      netlink_rcv_skb+0x130/0x360
[ 1070.381017][   T10]      netlink_unicast+0x449/0x710
[ 1070.381017][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1070.381017][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1070.381017][   T10]      ___sys_sendmsg+0xee/0x170
[ 1070.381017][   T10]      __sys_sendmsg+0xcd/0x170
[ 1070.381017][   T10]      do_syscall_64+0xc6/0x1e0
[ 1070.381017][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1070.381017][   T10] 
[ 1070.382785][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1070.383044][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1070.383044][   T10]      netdev_get_by_index+0x5e/0x80
[ 1070.383044][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1070.383044][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1070.383044][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1070.383044][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1070.383044][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1070.383044][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1070.383044][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1070.383044][   T10]      addrconf_dad_begin+0x310/0x670
[ 1070.383044][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1070.383044][   T10]      process_one_work+0x84d/0x18a0
[ 1070.383044][   T10]      worker_thread+0x587/0xd30
[ 1070.383044][   T10]      kthread+0x28a/0x350
[ 1070.383044][   T10]      ret_from_fork+0x31/0x70
[ 1070.383044][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1070.383044][   T10] 
[ 1070.385024][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1070.385024][   T10]      netdev_get_by_index+0x5e/0x80
[ 1070.385024][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1070.385024][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1070.385024][   T10]      ip6_route_add+0x1c/0x140
[ 1070.385024][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1070.385024][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1070.385024][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1070.385024][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1070.385024][   T10]      netlink_rcv_skb+0x130/0x360
[ 1070.385024][   T10]      netlink_unicast+0x449/0x710
[ 1070.385024][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1070.385024][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1070.385024][   T10]      ___sys_sendmsg+0xee/0x170
[ 1070.385024][   T10]      __sys_sendmsg+0xcd/0x170
[ 1070.385024][   T10]      do_syscall_64+0xc6/0x1e0
[ 1070.385024][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1070.385024][   T10] 
[ 1070.387108][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1070.387108][   T10]      netdev_get_by_index+0x5e/0x80
[ 1070.387108][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1070.387108][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1070.387108][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1070.387108][   T10]      ipv6_add_addr+0x411/0x2000
[ 1070.387108][   T10]      inet6_addr_add+0x30e/0xa40
[ 1070.387108][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1070.387108][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1070.387108][   T10]      netlink_rcv_skb+0x130/0x360
[ 1070.387108][   T10]      netlink_unicast+0x449/0x710
[ 1070.387108][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1070.387108][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1070.387108][   T10]      ___sys_sendmsg+0xee/0x170
[ 1070.387108][   T10]      __sys_sendmsg+0xcd/0x170
[ 1070.387108][   T10]      do_syscall_64+0xc6/0x1e0
[ 1070.387108][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1070.387108][   T10] 
[ 1070.389172][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1070.389172][   T10]      netdev_get_by_index+0x5e/0x80
[ 1070.389172][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1070.389172][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1070.389172][   T10]      ip6_route_add+0x1c/0x140
[ 1070.389172][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1070.389172][   T10]      addrconf_add_dev+0xe2/0x170
[ 1070.389172][   T10]      inet6_addr_add+0x12f/0xa40
[ 1070.389172][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1070.389172][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1070.389172][   T10]      netlink_rcv_skb+0x130/0x360
[ 1070.389172][   T10]      netlink_unicast+0x449/0x710
[ 1070.389172][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1070.389172][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1070.389172][   T10]      ___sys_sendmsg+0xee/0x170
[ 1070.389172][   T10]      __sys_sendmsg+0xcd/0x170
[ 1070.389172][   T10]      do_syscall_64+0xc6/0x1e0
[ 1070.389172][   T10] 
[ 1070.391222][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1070.391222][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1070.391222][   T10]      ipv6_find_idev+0x102/0x170
[ 1070.391222][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1070.391222][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1070.391222][   T10]      netlink_rcv_skb+0x130/0x360
[ 1070.391222][   T10]      netlink_unicast+0x449/0x710
[ 1070.391222][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1070.391222][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1070.391222][   T10]      ___sys_sendmsg+0xee/0x170
[ 1070.391222][   T10]      __sys_sendmsg+0xcd/0x170
[ 1070.391222][   T10]      do_syscall_64+0xc6/0x1e0
[ 1070.391222][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1070.391222][   T10] 
[ 1070.392826][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1070.392826][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1070.392826][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1070.392826][   T10]      ipv6_find_idev+0x102/0x170
[ 1070.392826][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1070.392826][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1070.392826][   T10]      netlink_rcv_skb+0x130/0x360
[ 1070.392826][   T10]      netlink_unicast+0x449/0x710
[ 1070.392826][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1070.392826][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1070.392826][   T10]      ___sys_sendmsg+0xee/0x170
[ 1070.392826][   T10]      __sys_sendmsg+0xcd/0x170
[ 1070.392826][   T10]      do_syscall_64+0xc6/0x1e0
[ 1070.392826][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1070.392826][   T10] 
[ 1080.632801][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1080.633255][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1080.633255][   T10]      netdev_get_by_index+0x5e/0x80
[ 1080.633255][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1080.633255][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1080.633255][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1080.633255][   T10]      ipv6_add_addr+0x411/0x2000
[ 1080.633255][   T10]      inet6_addr_add+0x30e/0xa40
[ 1080.633255][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1080.633255][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1080.633255][   T10]      netlink_rcv_skb+0x130/0x360
[ 1080.633255][   T10]      netlink_unicast+0x449/0x710
[ 1080.633255][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1080.633255][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1080.633255][   T10]      ___sys_sendmsg+0xee/0x170
[ 1080.633255][   T10]      __sys_sendmsg+0xcd/0x170
[ 1080.633255][   T10]      do_syscall_64+0xc6/0x1e0
[ 1080.633255][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1080.633255][   T10] 
[ 1080.635430][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1080.635430][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1080.635430][   T10]      ipv6_find_idev+0x102/0x170
[ 1080.635430][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1080.635430][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1080.635430][   T10]      netlink_rcv_skb+0x130/0x360
[ 1080.635430][   T10]      netlink_unicast+0x449/0x710
[ 1080.635430][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1080.635430][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1080.635430][   T10]      ___sys_sendmsg+0xee/0x170
[ 1080.635430][   T10]      __sys_sendmsg+0xcd/0x170
[ 1080.635430][   T10]      do_syscall_64+0xc6/0x1e0
[ 1080.635430][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1080.635430][   T10] 
[ 1080.637065][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1080.637065][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1080.637065][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1080.637065][   T10]      ipv6_find_idev+0x102/0x170
[ 1080.637065][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1080.637065][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1080.637065][   T10]      netlink_rcv_skb+0x130/0x360
[ 1080.637065][   T10]      netlink_unicast+0x449/0x710
[ 1080.637065][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1080.637065][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1080.637065][   T10]      ___sys_sendmsg+0xee/0x170
[ 1080.637065][   T10]      __sys_sendmsg+0xcd/0x170
[ 1080.637065][   T10]      do_syscall_64+0xc6/0x1e0
[ 1080.637065][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1080.637065][   T10] 
[ 1080.638851][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1080.639124][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1080.639124][   T10]      netdev_get_by_index+0x5e/0x80
[ 1080.639124][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1080.639124][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1080.639124][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1080.639124][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1080.639124][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1080.639124][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1080.639124][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1080.639124][   T10]      addrconf_dad_begin+0x310/0x670
[ 1080.639124][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1080.639124][   T10]      process_one_work+0x84d/0x18a0
[ 1080.639124][   T10]      worker_thread+0x587/0xd30
[ 1080.639124][   T10]      kthread+0x28a/0x350
[ 1080.639124][   T10]      ret_from_fork+0x31/0x70
[ 1080.639124][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1080.639124][   T10] 
[ 1080.641106][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1080.641106][   T10]      netdev_get_by_index+0x5e/0x80
[ 1080.641106][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1080.641106][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1080.641106][   T10]      ip6_route_add+0x1c/0x140
[ 1080.641106][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1080.641106][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1080.641106][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1080.641106][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1080.641106][   T10]      netlink_rcv_skb+0x130/0x360
[ 1080.641106][   T10]      netlink_unicast+0x449/0x710
[ 1080.641106][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1080.641106][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1080.641106][   T10]      ___sys_sendmsg+0xee/0x170
[ 1080.641106][   T10]      __sys_sendmsg+0xcd/0x170
[ 1080.641106][   T10]      do_syscall_64+0xc6/0x1e0
[ 1080.641106][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1080.641106][   T10] 
[ 1080.643171][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1080.643171][   T10]      netdev_get_by_index+0x5e/0x80
[ 1080.643171][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1080.643171][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1080.643171][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1080.643171][   T10]      ipv6_add_addr+0x411/0x2000
[ 1080.643171][   T10]      inet6_addr_add+0x30e/0xa40
[ 1080.643171][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1080.643171][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1080.643171][   T10]      netlink_rcv_skb+0x130/0x360
[ 1080.643171][   T10]      netlink_unicast+0x449/0x710
[ 1080.643171][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1080.643171][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1080.643171][   T10]      ___sys_sendmsg+0xee/0x170
[ 1080.643171][   T10]      __sys_sendmsg+0xcd/0x170
[ 1080.643171][   T10]      do_syscall_64+0xc6/0x1e0
[ 1080.643171][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1080.643171][   T10] 
[ 1080.645236][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1080.645236][   T10]      netdev_get_by_index+0x5e/0x80
[ 1080.645236][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1080.645236][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1080.645236][   T10]      ip6_route_add+0x1c/0x140
[ 1080.645236][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1080.645236][   T10]      addrconf_add_dev+0xe2/0x170
[ 1080.645236][   T10]      inet6_addr_add+0x12f/0xa40
[ 1080.645236][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1080.645236][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1080.645236][   T10]      netlink_rcv_skb+0x130/0x360
[ 1080.645236][   T10]      netlink_unicast+0x449/0x710
[ 1080.645236][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1080.645236][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1080.645236][   T10]      ___sys_sendmsg+0xee/0x170
[ 1080.645236][   T10]      __sys_sendmsg+0xcd/0x170
[ 1080.645236][   T10]      do_syscall_64+0xc6/0x1e0
[ 1080.645236][   T10] 
[ 1080.647444][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1080.647444][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1080.647444][   T10]      ipv6_find_idev+0x102/0x170
[ 1080.647444][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1080.647444][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1080.647444][   T10]      netlink_rcv_skb+0x130/0x360
[ 1080.647444][   T10]      netlink_unicast+0x449/0x710
[ 1080.647444][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1080.647444][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1080.647444][   T10]      ___sys_sendmsg+0xee/0x170
[ 1080.647444][   T10]      __sys_sendmsg+0xcd/0x170
[ 1080.647444][   T10]      do_syscall_64+0xc6/0x1e0
[ 1080.647444][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1080.647444][   T10] 
[ 1080.649119][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1080.649119][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1080.649119][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1080.649119][   T10]      ipv6_find_idev+0x102/0x170
[ 1080.649119][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1080.649119][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1080.649119][   T10]      netlink_rcv_skb+0x130/0x360
[ 1080.649119][   T10]      netlink_unicast+0x449/0x710
[ 1080.649119][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1080.649119][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1080.649119][   T10]      ___sys_sendmsg+0xee/0x170
[ 1080.649119][   T10]      __sys_sendmsg+0xcd/0x170
[ 1080.649119][   T10]      do_syscall_64+0xc6/0x1e0
[ 1080.649119][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1080.649119][   T10] 
[ 1090.840871][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1090.841382][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1090.841382][   T10]      netdev_get_by_index+0x5e/0x80
[ 1090.841382][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1090.841382][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1090.841382][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1090.841382][   T10]      ipv6_add_addr+0x411/0x2000
[ 1090.841382][   T10]      inet6_addr_add+0x30e/0xa40
[ 1090.841382][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1090.841382][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1090.841382][   T10]      netlink_rcv_skb+0x130/0x360
[ 1090.841382][   T10]      netlink_unicast+0x449/0x710
[ 1090.841382][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1090.841382][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1090.841382][   T10]      ___sys_sendmsg+0xee/0x170
[ 1090.841382][   T10]      __sys_sendmsg+0xcd/0x170
[ 1090.841382][   T10]      do_syscall_64+0xc6/0x1e0
[ 1090.841382][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1090.841382][   T10] 
[ 1090.843755][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1090.843755][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1090.843755][   T10]      ipv6_find_idev+0x102/0x170
[ 1090.843755][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1090.843755][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1090.843755][   T10]      netlink_rcv_skb+0x130/0x360
[ 1090.843755][   T10]      netlink_unicast+0x449/0x710
[ 1090.843755][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1090.843755][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1090.843755][   T10]      ___sys_sendmsg+0xee/0x170
[ 1090.843755][   T10]      __sys_sendmsg+0xcd/0x170
[ 1090.843755][   T10]      do_syscall_64+0xc6/0x1e0
[ 1090.843755][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1090.843755][   T10] 
[ 1090.845558][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1090.845558][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1090.845558][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1090.845558][   T10]      ipv6_find_idev+0x102/0x170
[ 1090.845558][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1090.845558][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1090.845558][   T10]      netlink_rcv_skb+0x130/0x360
[ 1090.845558][   T10]      netlink_unicast+0x449/0x710
[ 1090.845558][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1090.845558][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1090.845558][   T10]      ___sys_sendmsg+0xee/0x170
[ 1090.845558][   T10]      __sys_sendmsg+0xcd/0x170
[ 1090.845558][   T10]      do_syscall_64+0xc6/0x1e0
[ 1090.845558][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1090.845558][   T10] 
[ 1090.847524][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1090.847879][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1090.847879][   T10]      netdev_get_by_index+0x5e/0x80
[ 1090.847879][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1090.847879][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1090.847879][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1090.847879][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1090.847879][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1090.847879][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1090.847879][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1090.847879][   T10]      addrconf_dad_begin+0x310/0x670
[ 1090.847879][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1090.847879][   T10]      process_one_work+0x84d/0x18a0
[ 1090.847879][   T10]      worker_thread+0x587/0xd30
[ 1090.847879][   T10]      kthread+0x28a/0x350
[ 1090.847879][   T10]      ret_from_fork+0x31/0x70
[ 1090.847879][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1090.847879][   T10] 
[ 1090.850108][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1090.850108][   T10]      netdev_get_by_index+0x5e/0x80
[ 1090.850108][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1090.850108][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1090.850108][   T10]      ip6_route_add+0x1c/0x140
[ 1090.850108][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1090.850108][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1090.850108][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1090.850108][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1090.850108][   T10]      netlink_rcv_skb+0x130/0x360
[ 1090.850108][   T10]      netlink_unicast+0x449/0x710
[ 1090.850108][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1090.850108][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1090.850108][   T10]      ___sys_sendmsg+0xee/0x170
[ 1090.850108][   T10]      __sys_sendmsg+0xcd/0x170
[ 1090.850108][   T10]      do_syscall_64+0xc6/0x1e0
[ 1090.850108][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1090.850108][   T10] 
[ 1090.852426][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1090.852426][   T10]      netdev_get_by_index+0x5e/0x80
[ 1090.852426][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1090.852426][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1090.852426][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1090.852426][   T10]      ipv6_add_addr+0x411/0x2000
[ 1090.852426][   T10]      inet6_addr_add+0x30e/0xa40
[ 1090.852426][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1090.852426][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1090.852426][   T10]      netlink_rcv_skb+0x130/0x360
[ 1090.852426][   T10]      netlink_unicast+0x449/0x710
[ 1090.852426][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1090.852426][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1090.852426][   T10]      ___sys_sendmsg+0xee/0x170
[ 1090.852426][   T10]      __sys_sendmsg+0xcd/0x170
[ 1090.852426][   T10]      do_syscall_64+0xc6/0x1e0
[ 1090.852426][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1090.852426][   T10] 
[ 1090.854728][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1090.854728][   T10]      netdev_get_by_index+0x5e/0x80
[ 1090.854728][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1090.854728][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1090.854728][   T10]      ip6_route_add+0x1c/0x140
[ 1090.854728][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1090.854728][   T10]      addrconf_add_dev+0xe2/0x170
[ 1090.854728][   T10]      inet6_addr_add+0x12f/0xa40
[ 1090.854728][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1090.854728][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1090.854728][   T10]      netlink_rcv_skb+0x130/0x360
[ 1090.854728][   T10]      netlink_unicast+0x449/0x710
[ 1090.854728][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1090.854728][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1090.854728][   T10]      ___sys_sendmsg+0xee/0x170
[ 1090.854728][   T10]      __sys_sendmsg+0xcd/0x170
[ 1090.854728][   T10]      do_syscall_64+0xc6/0x1e0
[ 1090.854728][   T10] 
[ 1090.856993][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1090.856993][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1090.856993][   T10]      ipv6_find_idev+0x102/0x170
[ 1090.856993][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1090.856993][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1090.856993][   T10]      netlink_rcv_skb+0x130/0x360
[ 1090.856993][   T10]      netlink_unicast+0x449/0x710
[ 1090.856993][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1090.856993][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1090.856993][   T10]      ___sys_sendmsg+0xee/0x170
[ 1090.856993][   T10]      __sys_sendmsg+0xcd/0x170
[ 1090.856993][   T10]      do_syscall_64+0xc6/0x1e0
[ 1090.856993][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1090.856993][   T10] 
[ 1090.858825][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1090.858825][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1090.858825][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1090.858825][   T10]      ipv6_find_idev+0x102/0x170
[ 1090.858825][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1090.858825][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1090.858825][   T10]      netlink_rcv_skb+0x130/0x360
[ 1090.858825][   T10]      netlink_unicast+0x449/0x710
[ 1090.858825][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1090.858825][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1090.858825][   T10]      ___sys_sendmsg+0xee/0x170
[ 1090.858825][   T10]      __sys_sendmsg+0xcd/0x170
[ 1090.858825][   T10]      do_syscall_64+0xc6/0x1e0
[ 1090.858825][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1090.858825][   T10] 
[ 1100.968681][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1100.969169][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1100.969169][   T10]      netdev_get_by_index+0x5e/0x80
[ 1100.969169][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1100.969169][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1100.969169][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1100.969169][   T10]      ipv6_add_addr+0x411/0x2000
[ 1100.969169][   T10]      inet6_addr_add+0x30e/0xa40
[ 1100.969169][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1100.969169][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1100.969169][   T10]      netlink_rcv_skb+0x130/0x360
[ 1100.969169][   T10]      netlink_unicast+0x449/0x710
[ 1100.969169][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1100.969169][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1100.969169][   T10]      ___sys_sendmsg+0xee/0x170
[ 1100.969169][   T10]      __sys_sendmsg+0xcd/0x170
[ 1100.969169][   T10]      do_syscall_64+0xc6/0x1e0
[ 1100.969169][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1100.969169][   T10] 
[ 1100.972008][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1100.972008][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1100.972008][   T10]      ipv6_find_idev+0x102/0x170
[ 1100.972008][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1100.972008][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1100.972008][   T10]      netlink_rcv_skb+0x130/0x360
[ 1100.972008][   T10]      netlink_unicast+0x449/0x710
[ 1100.972008][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1100.972008][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1100.972008][   T10]      ___sys_sendmsg+0xee/0x170
[ 1100.972008][   T10]      __sys_sendmsg+0xcd/0x170
[ 1100.972008][   T10]      do_syscall_64+0xc6/0x1e0
[ 1100.972008][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1100.972008][   T10] 
[ 1100.974102][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1100.974102][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1100.974102][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1100.974102][   T10]      ipv6_find_idev+0x102/0x170
[ 1100.974102][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1100.974102][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1100.974102][   T10]      netlink_rcv_skb+0x130/0x360
[ 1100.974102][   T10]      netlink_unicast+0x449/0x710
[ 1100.974102][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1100.974102][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1100.974102][   T10]      ___sys_sendmsg+0xee/0x170
[ 1100.974102][   T10]      __sys_sendmsg+0xcd/0x170
[ 1100.974102][   T10]      do_syscall_64+0xc6/0x1e0
[ 1100.974102][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1100.974102][   T10] 
[ 1100.976356][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1100.976673][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1100.976673][   T10]      netdev_get_by_index+0x5e/0x80
[ 1100.976673][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1100.976673][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1100.976673][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1100.976673][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1100.976673][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1100.976673][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1100.976673][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1100.976673][   T10]      addrconf_dad_begin+0x310/0x670
[ 1100.976673][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1100.976673][   T10]      process_one_work+0x84d/0x18a0
[ 1100.976673][   T10]      worker_thread+0x587/0xd30
[ 1100.976673][   T10]      kthread+0x28a/0x350
[ 1100.976673][   T10]      ret_from_fork+0x31/0x70
[ 1100.976673][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1100.976673][   T10] 
[ 1100.979261][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1100.979261][   T10]      netdev_get_by_index+0x5e/0x80
[ 1100.979261][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1100.979261][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1100.979261][   T10]      ip6_route_add+0x1c/0x140
[ 1100.979261][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1100.979261][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1100.979261][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1100.979261][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1100.979261][   T10]      netlink_rcv_skb+0x130/0x360
[ 1100.979261][   T10]      netlink_unicast+0x449/0x710
[ 1100.979261][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1100.979261][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1100.979261][   T10]      ___sys_sendmsg+0xee/0x170
[ 1100.979261][   T10]      __sys_sendmsg+0xcd/0x170
[ 1100.979261][   T10]      do_syscall_64+0xc6/0x1e0
[ 1100.979261][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1100.979261][   T10] 
[ 1100.981936][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1100.981936][   T10]      netdev_get_by_index+0x5e/0x80
[ 1100.981936][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1100.981936][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1100.981936][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1100.981936][   T10]      ipv6_add_addr+0x411/0x2000
[ 1100.981936][   T10]      inet6_addr_add+0x30e/0xa40
[ 1100.981936][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1100.981936][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1100.981936][   T10]      netlink_rcv_skb+0x130/0x360
[ 1100.981936][   T10]      netlink_unicast+0x449/0x710
[ 1100.981936][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1100.981936][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1100.981936][   T10]      ___sys_sendmsg+0xee/0x170
[ 1100.981936][   T10]      __sys_sendmsg+0xcd/0x170
[ 1100.981936][   T10]      do_syscall_64+0xc6/0x1e0
[ 1100.981936][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1100.981936][   T10] 
[ 1100.984702][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1100.984702][   T10]      netdev_get_by_index+0x5e/0x80
[ 1100.984702][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1100.984702][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1100.984702][   T10]      ip6_route_add+0x1c/0x140
[ 1100.984702][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1100.984702][   T10]      addrconf_add_dev+0xe2/0x170
[ 1100.984702][   T10]      inet6_addr_add+0x12f/0xa40
[ 1100.984702][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1100.984702][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1100.984702][   T10]      netlink_rcv_skb+0x130/0x360
[ 1100.984702][   T10]      netlink_unicast+0x449/0x710
[ 1100.984702][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1100.984702][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1100.984702][   T10]      ___sys_sendmsg+0xee/0x170
[ 1100.984702][   T10]      __sys_sendmsg+0xcd/0x170
[ 1100.984702][   T10]      do_syscall_64+0xc6/0x1e0
[ 1100.984702][   T10] 
[ 1100.987624][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1100.987624][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1100.987624][   T10]      ipv6_find_idev+0x102/0x170
[ 1100.987624][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1100.987624][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1100.987624][   T10]      netlink_rcv_skb+0x130/0x360
[ 1100.987624][   T10]      netlink_unicast+0x449/0x710
[ 1100.987624][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1100.987624][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1100.987624][   T10]      ___sys_sendmsg+0xee/0x170
[ 1100.987624][   T10]      __sys_sendmsg+0xcd/0x170
[ 1100.987624][   T10]      do_syscall_64+0xc6/0x1e0
[ 1100.987624][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1100.987624][   T10] 
[ 1100.989479][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1100.989479][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1100.989479][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1100.989479][   T10]      ipv6_find_idev+0x102/0x170
[ 1100.989479][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1100.989479][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1100.989479][   T10]      netlink_rcv_skb+0x130/0x360
[ 1100.989479][   T10]      netlink_unicast+0x449/0x710
[ 1100.989479][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1100.989479][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1100.989479][   T10]      ___sys_sendmsg+0xee/0x170
[ 1100.989479][   T10]      __sys_sendmsg+0xcd/0x170
[ 1100.989479][   T10]      do_syscall_64+0xc6/0x1e0
[ 1100.989479][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1100.989479][   T10] 
[ 1111.232746][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1111.233210][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1111.233210][   T10]      netdev_get_by_index+0x5e/0x80
[ 1111.233210][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1111.233210][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1111.233210][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1111.233210][   T10]      ipv6_add_addr+0x411/0x2000
[ 1111.233210][   T10]      inet6_addr_add+0x30e/0xa40
[ 1111.233210][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1111.233210][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1111.233210][   T10]      netlink_rcv_skb+0x130/0x360
[ 1111.233210][   T10]      netlink_unicast+0x449/0x710
[ 1111.233210][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1111.233210][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1111.233210][   T10]      ___sys_sendmsg+0xee/0x170
[ 1111.233210][   T10]      __sys_sendmsg+0xcd/0x170
[ 1111.233210][   T10]      do_syscall_64+0xc6/0x1e0
[ 1111.233210][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1111.233210][   T10] 
[ 1111.235530][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1111.235530][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1111.235530][   T10]      ipv6_find_idev+0x102/0x170
[ 1111.235530][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1111.235530][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1111.235530][   T10]      netlink_rcv_skb+0x130/0x360
[ 1111.235530][   T10]      netlink_unicast+0x449/0x710
[ 1111.235530][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1111.235530][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1111.235530][   T10]      ___sys_sendmsg+0xee/0x170
[ 1111.235530][   T10]      __sys_sendmsg+0xcd/0x170
[ 1111.235530][   T10]      do_syscall_64+0xc6/0x1e0
[ 1111.235530][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1111.235530][   T10] 
[ 1111.237311][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1111.237311][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1111.237311][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1111.237311][   T10]      ipv6_find_idev+0x102/0x170
[ 1111.237311][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1111.237311][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1111.237311][   T10]      netlink_rcv_skb+0x130/0x360
[ 1111.237311][   T10]      netlink_unicast+0x449/0x710
[ 1111.237311][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1111.237311][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1111.237311][   T10]      ___sys_sendmsg+0xee/0x170
[ 1111.237311][   T10]      __sys_sendmsg+0xcd/0x170
[ 1111.237311][   T10]      do_syscall_64+0xc6/0x1e0
[ 1111.237311][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1111.237311][   T10] 
[ 1111.239334][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1111.239614][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1111.239614][   T10]      netdev_get_by_index+0x5e/0x80
[ 1111.239614][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1111.239614][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1111.239614][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1111.239614][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1111.239614][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1111.239614][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1111.239614][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1111.239614][   T10]      addrconf_dad_begin+0x310/0x670
[ 1111.239614][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1111.239614][   T10]      process_one_work+0x84d/0x18a0
[ 1111.239614][   T10]      worker_thread+0x587/0xd30
[ 1111.239614][   T10]      kthread+0x28a/0x350
[ 1111.239614][   T10]      ret_from_fork+0x31/0x70
[ 1111.239614][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1111.239614][   T10] 
[ 1111.241789][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1111.241789][   T10]      netdev_get_by_index+0x5e/0x80
[ 1111.241789][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1111.241789][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1111.241789][   T10]      ip6_route_add+0x1c/0x140
[ 1111.241789][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1111.241789][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1111.241789][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1111.241789][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1111.241789][   T10]      netlink_rcv_skb+0x130/0x360
[ 1111.241789][   T10]      netlink_unicast+0x449/0x710
[ 1111.241789][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1111.241789][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1111.241789][   T10]      ___sys_sendmsg+0xee/0x170
[ 1111.241789][   T10]      __sys_sendmsg+0xcd/0x170
[ 1111.241789][   T10]      do_syscall_64+0xc6/0x1e0
[ 1111.241789][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1111.241789][   T10] 
[ 1111.244094][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1111.244094][   T10]      netdev_get_by_index+0x5e/0x80
[ 1111.244094][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1111.244094][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1111.244094][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1111.244094][   T10]      ipv6_add_addr+0x411/0x2000
[ 1111.244094][   T10]      inet6_addr_add+0x30e/0xa40
[ 1111.244094][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1111.244094][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1111.244094][   T10]      netlink_rcv_skb+0x130/0x360
[ 1111.244094][   T10]      netlink_unicast+0x449/0x710
[ 1111.244094][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1111.244094][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1111.244094][   T10]      ___sys_sendmsg+0xee/0x170
[ 1111.244094][   T10]      __sys_sendmsg+0xcd/0x170
[ 1111.244094][   T10]      do_syscall_64+0xc6/0x1e0
[ 1111.244094][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1111.244094][   T10] 
[ 1111.246394][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1111.246394][   T10]      netdev_get_by_index+0x5e/0x80
[ 1111.246394][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1111.246394][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1111.246394][   T10]      ip6_route_add+0x1c/0x140
[ 1111.246394][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1111.246394][   T10]      addrconf_add_dev+0xe2/0x170
[ 1111.246394][   T10]      inet6_addr_add+0x12f/0xa40
[ 1111.246394][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1111.246394][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1111.246394][   T10]      netlink_rcv_skb+0x130/0x360
[ 1111.246394][   T10]      netlink_unicast+0x449/0x710
[ 1111.246394][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1111.246394][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1111.246394][   T10]      ___sys_sendmsg+0xee/0x170
[ 1111.246394][   T10]      __sys_sendmsg+0xcd/0x170
[ 1111.246394][   T10]      do_syscall_64+0xc6/0x1e0
[ 1111.246394][   T10] 
[ 1111.248643][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1111.248643][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1111.248643][   T10]      ipv6_find_idev+0x102/0x170
[ 1111.248643][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1111.248643][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1111.248643][   T10]      netlink_rcv_skb+0x130/0x360
[ 1111.248643][   T10]      netlink_unicast+0x449/0x710
[ 1111.248643][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1111.248643][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1111.248643][   T10]      ___sys_sendmsg+0xee/0x170
[ 1111.248643][   T10]      __sys_sendmsg+0xcd/0x170
[ 1111.248643][   T10]      do_syscall_64+0xc6/0x1e0
[ 1111.248643][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1111.248643][   T10] 
[ 1111.250385][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1111.250385][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1111.250385][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1111.250385][   T10]      ipv6_find_idev+0x102/0x170
[ 1111.250385][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1111.250385][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1111.250385][   T10]      netlink_rcv_skb+0x130/0x360
[ 1111.250385][   T10]      netlink_unicast+0x449/0x710
[ 1111.250385][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1111.250385][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1111.250385][   T10]      ___sys_sendmsg+0xee/0x170
[ 1111.250385][   T10]      __sys_sendmsg+0xcd/0x170
[ 1111.250385][   T10]      do_syscall_64+0xc6/0x1e0
[ 1111.250385][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1111.250385][   T10] 
[ 1121.488706][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1121.489171][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1121.489171][   T10]      netdev_get_by_index+0x5e/0x80
[ 1121.489171][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1121.489171][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1121.489171][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1121.489171][   T10]      ipv6_add_addr+0x411/0x2000
[ 1121.489171][   T10]      inet6_addr_add+0x30e/0xa40
[ 1121.489171][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1121.489171][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1121.489171][   T10]      netlink_rcv_skb+0x130/0x360
[ 1121.489171][   T10]      netlink_unicast+0x449/0x710
[ 1121.489171][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1121.489171][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1121.489171][   T10]      ___sys_sendmsg+0xee/0x170
[ 1121.489171][   T10]      __sys_sendmsg+0xcd/0x170
[ 1121.489171][   T10]      do_syscall_64+0xc6/0x1e0
[ 1121.489171][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1121.489171][   T10] 
[ 1121.491747][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1121.491747][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1121.491747][   T10]      ipv6_find_idev+0x102/0x170
[ 1121.491747][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1121.491747][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1121.491747][   T10]      netlink_rcv_skb+0x130/0x360
[ 1121.491747][   T10]      netlink_unicast+0x449/0x710
[ 1121.491747][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1121.491747][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1121.491747][   T10]      ___sys_sendmsg+0xee/0x170
[ 1121.491747][   T10]      __sys_sendmsg+0xcd/0x170
[ 1121.491747][   T10]      do_syscall_64+0xc6/0x1e0
[ 1121.491747][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1121.491747][   T10] 
[ 1121.493809][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1121.493809][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1121.493809][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1121.493809][   T10]      ipv6_find_idev+0x102/0x170
[ 1121.493809][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1121.493809][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1121.493809][   T10]      netlink_rcv_skb+0x130/0x360
[ 1121.493809][   T10]      netlink_unicast+0x449/0x710
[ 1121.493809][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1121.493809][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1121.493809][   T10]      ___sys_sendmsg+0xee/0x170
[ 1121.493809][   T10]      __sys_sendmsg+0xcd/0x170
[ 1121.493809][   T10]      do_syscall_64+0xc6/0x1e0
[ 1121.493809][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1121.493809][   T10] 
[ 1121.496051][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1121.496359][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1121.496359][   T10]      netdev_get_by_index+0x5e/0x80
[ 1121.496359][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1121.496359][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1121.496359][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1121.496359][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1121.496359][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1121.496359][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1121.496359][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1121.496359][   T10]      addrconf_dad_begin+0x310/0x670
[ 1121.496359][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1121.496359][   T10]      process_one_work+0x84d/0x18a0
[ 1121.496359][   T10]      worker_thread+0x587/0xd30
[ 1121.496359][   T10]      kthread+0x28a/0x350
[ 1121.496359][   T10]      ret_from_fork+0x31/0x70
[ 1121.496359][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1121.496359][   T10] 
[ 1121.498873][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1121.498873][   T10]      netdev_get_by_index+0x5e/0x80
[ 1121.498873][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1121.498873][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1121.498873][   T10]      ip6_route_add+0x1c/0x140
[ 1121.498873][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1121.498873][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1121.498873][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1121.498873][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1121.498873][   T10]      netlink_rcv_skb+0x130/0x360
[ 1121.498873][   T10]      netlink_unicast+0x449/0x710
[ 1121.498873][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1121.498873][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1121.498873][   T10]      ___sys_sendmsg+0xee/0x170
[ 1121.498873][   T10]      __sys_sendmsg+0xcd/0x170
[ 1121.498873][   T10]      do_syscall_64+0xc6/0x1e0
[ 1121.498873][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1121.498873][   T10] 
[ 1121.501535][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1121.501535][   T10]      netdev_get_by_index+0x5e/0x80
[ 1121.501535][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1121.501535][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1121.501535][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1121.501535][   T10]      ipv6_add_addr+0x411/0x2000
[ 1121.501535][   T10]      inet6_addr_add+0x30e/0xa40
[ 1121.501535][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1121.501535][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1121.501535][   T10]      netlink_rcv_skb+0x130/0x360
[ 1121.501535][   T10]      netlink_unicast+0x449/0x710
[ 1121.501535][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1121.501535][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1121.501535][   T10]      ___sys_sendmsg+0xee/0x170
[ 1121.501535][   T10]      __sys_sendmsg+0xcd/0x170
[ 1121.501535][   T10]      do_syscall_64+0xc6/0x1e0
[ 1121.501535][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1121.501535][   T10] 
[ 1121.504198][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1121.504198][   T10]      netdev_get_by_index+0x5e/0x80
[ 1121.504198][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1121.504198][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1121.504198][   T10]      ip6_route_add+0x1c/0x140
[ 1121.504198][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1121.504198][   T10]      addrconf_add_dev+0xe2/0x170
[ 1121.504198][   T10]      inet6_addr_add+0x12f/0xa40
[ 1121.504198][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1121.504198][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1121.504198][   T10]      netlink_rcv_skb+0x130/0x360
[ 1121.504198][   T10]      netlink_unicast+0x449/0x710
[ 1121.504198][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1121.504198][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1121.504198][   T10]      ___sys_sendmsg+0xee/0x170
[ 1121.504198][   T10]      __sys_sendmsg+0xcd/0x170
[ 1121.504198][   T10]      do_syscall_64+0xc6/0x1e0
[ 1121.504198][   T10] 
[ 1121.506566][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1121.506566][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1121.506566][   T10]      ipv6_find_idev+0x102/0x170
[ 1121.506566][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1121.506566][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1121.506566][   T10]      netlink_rcv_skb+0x130/0x360
[ 1121.506566][   T10]      netlink_unicast+0x449/0x710
[ 1121.506566][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1121.506566][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1121.506566][   T10]      ___sys_sendmsg+0xee/0x170
[ 1121.506566][   T10]      __sys_sendmsg+0xcd/0x170
[ 1121.506566][   T10]      do_syscall_64+0xc6/0x1e0
[ 1121.506566][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1121.506566][   T10] 
[ 1121.508332][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1121.508332][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1121.508332][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1121.508332][   T10]      ipv6_find_idev+0x102/0x170
[ 1121.508332][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1121.508332][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1121.508332][   T10]      netlink_rcv_skb+0x130/0x360
[ 1121.508332][   T10]      netlink_unicast+0x449/0x710
[ 1121.508332][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1121.508332][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1121.508332][   T10]      ___sys_sendmsg+0xee/0x170
[ 1121.508332][   T10]      __sys_sendmsg+0xcd/0x170
[ 1121.508332][   T10]      do_syscall_64+0xc6/0x1e0
[ 1121.508332][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1121.508332][   T10] 
[ 1131.752767][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1131.753177][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1131.753177][   T10]      netdev_get_by_index+0x5e/0x80
[ 1131.753177][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1131.753177][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1131.753177][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1131.753177][   T10]      ipv6_add_addr+0x411/0x2000
[ 1131.753177][   T10]      inet6_addr_add+0x30e/0xa40
[ 1131.753177][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1131.753177][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1131.753177][   T10]      netlink_rcv_skb+0x130/0x360
[ 1131.753177][   T10]      netlink_unicast+0x449/0x710
[ 1131.753177][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1131.753177][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1131.753177][   T10]      ___sys_sendmsg+0xee/0x170
[ 1131.753177][   T10]      __sys_sendmsg+0xcd/0x170
[ 1131.753177][   T10]      do_syscall_64+0xc6/0x1e0
[ 1131.753177][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1131.753177][   T10] 
[ 1131.755786][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1131.755786][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1131.755786][   T10]      ipv6_find_idev+0x102/0x170
[ 1131.755786][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1131.755786][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1131.755786][   T10]      netlink_rcv_skb+0x130/0x360
[ 1131.755786][   T10]      netlink_unicast+0x449/0x710
[ 1131.755786][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1131.755786][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1131.755786][   T10]      ___sys_sendmsg+0xee/0x170
[ 1131.755786][   T10]      __sys_sendmsg+0xcd/0x170
[ 1131.755786][   T10]      do_syscall_64+0xc6/0x1e0
[ 1131.755786][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1131.755786][   T10] 
[ 1131.757788][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1131.757788][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1131.757788][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1131.757788][   T10]      ipv6_find_idev+0x102/0x170
[ 1131.757788][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1131.757788][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1131.757788][   T10]      netlink_rcv_skb+0x130/0x360
[ 1131.757788][   T10]      netlink_unicast+0x449/0x710
[ 1131.757788][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1131.757788][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1131.757788][   T10]      ___sys_sendmsg+0xee/0x170
[ 1131.757788][   T10]      __sys_sendmsg+0xcd/0x170
[ 1131.757788][   T10]      do_syscall_64+0xc6/0x1e0
[ 1131.757788][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1131.757788][   T10] 
[ 1131.759969][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1131.760264][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1131.760264][   T10]      netdev_get_by_index+0x5e/0x80
[ 1131.760264][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1131.760264][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1131.760264][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1131.760264][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1131.760264][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1131.760264][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1131.760264][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1131.760264][   T10]      addrconf_dad_begin+0x310/0x670
[ 1131.760264][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1131.760264][   T10]      process_one_work+0x84d/0x18a0
[ 1131.760264][   T10]      worker_thread+0x587/0xd30
[ 1131.760264][   T10]      kthread+0x28a/0x350
[ 1131.760264][   T10]      ret_from_fork+0x31/0x70
[ 1131.760264][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1131.760264][   T10] 
[ 1131.762716][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1131.762716][   T10]      netdev_get_by_index+0x5e/0x80
[ 1131.762716][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1131.762716][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1131.762716][   T10]      ip6_route_add+0x1c/0x140
[ 1131.762716][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1131.762716][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1131.762716][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1131.762716][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1131.762716][   T10]      netlink_rcv_skb+0x130/0x360
[ 1131.762716][   T10]      netlink_unicast+0x449/0x710
[ 1131.762716][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1131.762716][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1131.762716][   T10]      ___sys_sendmsg+0xee/0x170
[ 1131.762716][   T10]      __sys_sendmsg+0xcd/0x170
[ 1131.762716][   T10]      do_syscall_64+0xc6/0x1e0
[ 1131.762716][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1131.762716][   T10] 
[ 1131.765320][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1131.765320][   T10]      netdev_get_by_index+0x5e/0x80
[ 1131.765320][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1131.765320][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1131.765320][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1131.765320][   T10]      ipv6_add_addr+0x411/0x2000
[ 1131.765320][   T10]      inet6_addr_add+0x30e/0xa40
[ 1131.765320][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1131.765320][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1131.765320][   T10]      netlink_rcv_skb+0x130/0x360
[ 1131.765320][   T10]      netlink_unicast+0x449/0x710
[ 1131.765320][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1131.765320][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1131.765320][   T10]      ___sys_sendmsg+0xee/0x170
[ 1131.765320][   T10]      __sys_sendmsg+0xcd/0x170
[ 1131.765320][   T10]      do_syscall_64+0xc6/0x1e0
[ 1131.765320][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1131.765320][   T10] 
[ 1131.767593][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1131.767593][   T10]      netdev_get_by_index+0x5e/0x80
[ 1131.767593][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1131.767593][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1131.767593][   T10]      ip6_route_add+0x1c/0x140
[ 1131.767593][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1131.767593][   T10]      addrconf_add_dev+0xe2/0x170
[ 1131.767593][   T10]      inet6_addr_add+0x12f/0xa40
[ 1131.767593][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1131.767593][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1131.767593][   T10]      netlink_rcv_skb+0x130/0x360
[ 1131.767593][   T10]      netlink_unicast+0x449/0x710
[ 1131.767593][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1131.767593][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1131.767593][   T10]      ___sys_sendmsg+0xee/0x170
[ 1131.767593][   T10]      __sys_sendmsg+0xcd/0x170
[ 1131.767593][   T10]      do_syscall_64+0xc6/0x1e0
[ 1131.767593][   T10] 
[ 1131.769763][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1131.769763][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1131.769763][   T10]      ipv6_find_idev+0x102/0x170
[ 1131.769763][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1131.769763][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1131.769763][   T10]      netlink_rcv_skb+0x130/0x360
[ 1131.769763][   T10]      netlink_unicast+0x449/0x710
[ 1131.769763][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1131.769763][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1131.769763][   T10]      ___sys_sendmsg+0xee/0x170
[ 1131.769763][   T10]      __sys_sendmsg+0xcd/0x170
[ 1131.769763][   T10]      do_syscall_64+0xc6/0x1e0
[ 1131.769763][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1131.769763][   T10] 
[ 1131.771473][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1131.771473][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1131.771473][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1131.771473][   T10]      ipv6_find_idev+0x102/0x170
[ 1131.771473][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1131.771473][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1131.771473][   T10]      netlink_rcv_skb+0x130/0x360
[ 1131.771473][   T10]      netlink_unicast+0x449/0x710
[ 1131.771473][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1131.771473][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1131.771473][   T10]      ___sys_sendmsg+0xee/0x170
[ 1131.771473][   T10]      __sys_sendmsg+0xcd/0x170
[ 1131.771473][   T10]      do_syscall_64+0xc6/0x1e0
[ 1131.771473][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1131.771473][   T10] 
[ 1142.008770][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1142.009221][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1142.009221][   T10]      netdev_get_by_index+0x5e/0x80
[ 1142.009221][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1142.009221][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1142.009221][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1142.009221][   T10]      ipv6_add_addr+0x411/0x2000
[ 1142.009221][   T10]      inet6_addr_add+0x30e/0xa40
[ 1142.009221][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1142.009221][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1142.009221][   T10]      netlink_rcv_skb+0x130/0x360
[ 1142.009221][   T10]      netlink_unicast+0x449/0x710
[ 1142.009221][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1142.009221][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1142.009221][   T10]      ___sys_sendmsg+0xee/0x170
[ 1142.009221][   T10]      __sys_sendmsg+0xcd/0x170
[ 1142.009221][   T10]      do_syscall_64+0xc6/0x1e0
[ 1142.009221][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1142.009221][   T10] 
[ 1142.011969][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1142.011969][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1142.011969][   T10]      ipv6_find_idev+0x102/0x170
[ 1142.011969][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1142.011969][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1142.011969][   T10]      netlink_rcv_skb+0x130/0x360
[ 1142.011969][   T10]      netlink_unicast+0x449/0x710
[ 1142.011969][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1142.011969][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1142.011969][   T10]      ___sys_sendmsg+0xee/0x170
[ 1142.011969][   T10]      __sys_sendmsg+0xcd/0x170
[ 1142.011969][   T10]      do_syscall_64+0xc6/0x1e0
[ 1142.011969][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1142.011969][   T10] 
[ 1142.014224][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1142.014224][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1142.014224][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1142.014224][   T10]      ipv6_find_idev+0x102/0x170
[ 1142.014224][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1142.014224][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1142.014224][   T10]      netlink_rcv_skb+0x130/0x360
[ 1142.014224][   T10]      netlink_unicast+0x449/0x710
[ 1142.014224][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1142.014224][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1142.014224][   T10]      ___sys_sendmsg+0xee/0x170
[ 1142.014224][   T10]      __sys_sendmsg+0xcd/0x170
[ 1142.014224][   T10]      do_syscall_64+0xc6/0x1e0
[ 1142.014224][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1142.014224][   T10] 
[ 1142.016193][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1142.016460][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1142.016460][   T10]      netdev_get_by_index+0x5e/0x80
[ 1142.016460][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1142.016460][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1142.016460][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1142.016460][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1142.016460][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1142.016460][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1142.016460][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1142.016460][   T10]      addrconf_dad_begin+0x310/0x670
[ 1142.016460][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1142.016460][   T10]      process_one_work+0x84d/0x18a0
[ 1142.016460][   T10]      worker_thread+0x587/0xd30
[ 1142.016460][   T10]      kthread+0x28a/0x350
[ 1142.016460][   T10]      ret_from_fork+0x31/0x70
[ 1142.016460][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1142.016460][   T10] 
[ 1142.018543][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1142.018543][   T10]      netdev_get_by_index+0x5e/0x80
[ 1142.018543][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1142.018543][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1142.018543][   T10]      ip6_route_add+0x1c/0x140
[ 1142.018543][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1142.018543][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1142.018543][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1142.018543][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1142.018543][   T10]      netlink_rcv_skb+0x130/0x360
[ 1142.018543][   T10]      netlink_unicast+0x449/0x710
[ 1142.018543][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1142.018543][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1142.018543][   T10]      ___sys_sendmsg+0xee/0x170
[ 1142.018543][   T10]      __sys_sendmsg+0xcd/0x170
[ 1142.018543][   T10]      do_syscall_64+0xc6/0x1e0
[ 1142.018543][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1142.018543][   T10] 
[ 1142.020764][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1142.020764][   T10]      netdev_get_by_index+0x5e/0x80
[ 1142.020764][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1142.020764][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1142.020764][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1142.020764][   T10]      ipv6_add_addr+0x411/0x2000
[ 1142.020764][   T10]      inet6_addr_add+0x30e/0xa40
[ 1142.020764][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1142.020764][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1142.020764][   T10]      netlink_rcv_skb+0x130/0x360
[ 1142.020764][   T10]      netlink_unicast+0x449/0x710
[ 1142.020764][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1142.020764][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1142.020764][   T10]      ___sys_sendmsg+0xee/0x170
[ 1142.020764][   T10]      __sys_sendmsg+0xcd/0x170
[ 1142.020764][   T10]      do_syscall_64+0xc6/0x1e0
[ 1142.020764][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1142.020764][   T10] 
[ 1142.022985][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1142.022985][   T10]      netdev_get_by_index+0x5e/0x80
[ 1142.022985][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1142.022985][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1142.022985][   T10]      ip6_route_add+0x1c/0x140
[ 1142.022985][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1142.022985][   T10]      addrconf_add_dev+0xe2/0x170
[ 1142.022985][   T10]      inet6_addr_add+0x12f/0xa40
[ 1142.022985][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1142.022985][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1142.022985][   T10]      netlink_rcv_skb+0x130/0x360
[ 1142.022985][   T10]      netlink_unicast+0x449/0x710
[ 1142.022985][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1142.022985][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1142.022985][   T10]      ___sys_sendmsg+0xee/0x170
[ 1142.022985][   T10]      __sys_sendmsg+0xcd/0x170
[ 1142.022985][   T10]      do_syscall_64+0xc6/0x1e0
[ 1142.022985][   T10] 
[ 1142.025170][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1142.025170][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1142.025170][   T10]      ipv6_find_idev+0x102/0x170
[ 1142.025170][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1142.025170][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1142.025170][   T10]      netlink_rcv_skb+0x130/0x360
[ 1142.025170][   T10]      netlink_unicast+0x449/0x710
[ 1142.025170][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1142.025170][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1142.025170][   T10]      ___sys_sendmsg+0xee/0x170
[ 1142.025170][   T10]      __sys_sendmsg+0xcd/0x170
[ 1142.025170][   T10]      do_syscall_64+0xc6/0x1e0
[ 1142.025170][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1142.025170][   T10] 
[ 1142.026879][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1142.026879][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1142.026879][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1142.026879][   T10]      ipv6_find_idev+0x102/0x170
[ 1142.026879][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1142.026879][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1142.026879][   T10]      netlink_rcv_skb+0x130/0x360
[ 1142.026879][   T10]      netlink_unicast+0x449/0x710
[ 1142.026879][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1142.026879][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1142.026879][   T10]      ___sys_sendmsg+0xee/0x170
[ 1142.026879][   T10]      __sys_sendmsg+0xcd/0x170
[ 1142.026879][   T10]      do_syscall_64+0xc6/0x1e0
[ 1142.026879][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1142.026879][   T10] 
[ 1152.088683][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1152.089123][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1152.089123][   T10]      netdev_get_by_index+0x5e/0x80
[ 1152.089123][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1152.089123][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1152.089123][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1152.089123][   T10]      ipv6_add_addr+0x411/0x2000
[ 1152.089123][   T10]      inet6_addr_add+0x30e/0xa40
[ 1152.089123][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1152.089123][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1152.089123][   T10]      netlink_rcv_skb+0x130/0x360
[ 1152.089123][   T10]      netlink_unicast+0x449/0x710
[ 1152.089123][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1152.089123][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1152.089123][   T10]      ___sys_sendmsg+0xee/0x170
[ 1152.089123][   T10]      __sys_sendmsg+0xcd/0x170
[ 1152.089123][   T10]      do_syscall_64+0xc6/0x1e0
[ 1152.089123][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1152.089123][   T10] 
[ 1152.092006][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1152.092006][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1152.092006][   T10]      ipv6_find_idev+0x102/0x170
[ 1152.092006][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1152.092006][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1152.092006][   T10]      netlink_rcv_skb+0x130/0x360
[ 1152.092006][   T10]      netlink_unicast+0x449/0x710
[ 1152.092006][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1152.092006][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1152.092006][   T10]      ___sys_sendmsg+0xee/0x170
[ 1152.092006][   T10]      __sys_sendmsg+0xcd/0x170
[ 1152.092006][   T10]      do_syscall_64+0xc6/0x1e0
[ 1152.092006][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1152.092006][   T10] 
[ 1152.094051][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1152.094051][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1152.094051][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1152.094051][   T10]      ipv6_find_idev+0x102/0x170
[ 1152.094051][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1152.094051][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1152.094051][   T10]      netlink_rcv_skb+0x130/0x360
[ 1152.094051][   T10]      netlink_unicast+0x449/0x710
[ 1152.094051][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1152.094051][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1152.094051][   T10]      ___sys_sendmsg+0xee/0x170
[ 1152.094051][   T10]      __sys_sendmsg+0xcd/0x170
[ 1152.094051][   T10]      do_syscall_64+0xc6/0x1e0
[ 1152.094051][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1152.094051][   T10] 
[ 1152.096240][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1152.096542][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1152.096542][   T10]      netdev_get_by_index+0x5e/0x80
[ 1152.096542][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1152.096542][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1152.096542][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1152.096542][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1152.096542][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1152.096542][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1152.096542][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1152.096542][   T10]      addrconf_dad_begin+0x310/0x670
[ 1152.096542][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1152.096542][   T10]      process_one_work+0x84d/0x18a0
[ 1152.096542][   T10]      worker_thread+0x587/0xd30
[ 1152.096542][   T10]      kthread+0x28a/0x350
[ 1152.096542][   T10]      ret_from_fork+0x31/0x70
[ 1152.096542][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1152.096542][   T10] 
[ 1152.099012][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1152.099012][   T10]      netdev_get_by_index+0x5e/0x80
[ 1152.099012][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1152.099012][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1152.099012][   T10]      ip6_route_add+0x1c/0x140
[ 1152.099012][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1152.099012][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1152.099012][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1152.099012][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1152.099012][   T10]      netlink_rcv_skb+0x130/0x360
[ 1152.099012][   T10]      netlink_unicast+0x449/0x710
[ 1152.099012][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1152.099012][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1152.099012][   T10]      ___sys_sendmsg+0xee/0x170
[ 1152.099012][   T10]      __sys_sendmsg+0xcd/0x170
[ 1152.099012][   T10]      do_syscall_64+0xc6/0x1e0
[ 1152.099012][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1152.099012][   T10] 
[ 1152.101629][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1152.101629][   T10]      netdev_get_by_index+0x5e/0x80
[ 1152.101629][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1152.101629][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1152.101629][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1152.101629][   T10]      ipv6_add_addr+0x411/0x2000
[ 1152.101629][   T10]      inet6_addr_add+0x30e/0xa40
[ 1152.101629][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1152.101629][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1152.101629][   T10]      netlink_rcv_skb+0x130/0x360
[ 1152.101629][   T10]      netlink_unicast+0x449/0x710
[ 1152.101629][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1152.101629][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1152.101629][   T10]      ___sys_sendmsg+0xee/0x170
[ 1152.101629][   T10]      __sys_sendmsg+0xcd/0x170
[ 1152.101629][   T10]      do_syscall_64+0xc6/0x1e0
[ 1152.101629][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1152.101629][   T10] 
[ 1152.104237][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1152.104237][   T10]      netdev_get_by_index+0x5e/0x80
[ 1152.104237][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1152.104237][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1152.104237][   T10]      ip6_route_add+0x1c/0x140
[ 1152.104237][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1152.104237][   T10]      addrconf_add_dev+0xe2/0x170
[ 1152.104237][   T10]      inet6_addr_add+0x12f/0xa40
[ 1152.104237][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1152.104237][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1152.104237][   T10]      netlink_rcv_skb+0x130/0x360
[ 1152.104237][   T10]      netlink_unicast+0x449/0x710
[ 1152.104237][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1152.104237][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1152.104237][   T10]      ___sys_sendmsg+0xee/0x170
[ 1152.104237][   T10]      __sys_sendmsg+0xcd/0x170
[ 1152.104237][   T10]      do_syscall_64+0xc6/0x1e0
[ 1152.104237][   T10] 
[ 1152.106807][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1152.106807][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1152.106807][   T10]      ipv6_find_idev+0x102/0x170
[ 1152.106807][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1152.106807][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1152.106807][   T10]      netlink_rcv_skb+0x130/0x360
[ 1152.106807][   T10]      netlink_unicast+0x449/0x710
[ 1152.106807][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1152.106807][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1152.106807][   T10]      ___sys_sendmsg+0xee/0x170
[ 1152.106807][   T10]      __sys_sendmsg+0xcd/0x170
[ 1152.106807][   T10]      do_syscall_64+0xc6/0x1e0
[ 1152.106807][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1152.106807][   T10] 
[ 1152.108796][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1152.108796][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1152.108796][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1152.108796][   T10]      ipv6_find_idev+0x102/0x170
[ 1152.108796][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1152.108796][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1152.108796][   T10]      netlink_rcv_skb+0x130/0x360
[ 1152.108796][   T10]      netlink_unicast+0x449/0x710
[ 1152.108796][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1152.108796][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1152.108796][   T10]      ___sys_sendmsg+0xee/0x170
[ 1152.108796][   T10]      __sys_sendmsg+0xcd/0x170
[ 1152.108796][   T10]      do_syscall_64+0xc6/0x1e0
[ 1152.108796][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1152.108796][   T10] 
[ 1162.360753][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1162.361213][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1162.361213][   T10]      netdev_get_by_index+0x5e/0x80
[ 1162.361213][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1162.361213][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1162.361213][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1162.361213][   T10]      ipv6_add_addr+0x411/0x2000
[ 1162.361213][   T10]      inet6_addr_add+0x30e/0xa40
[ 1162.361213][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1162.361213][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1162.361213][   T10]      netlink_rcv_skb+0x130/0x360
[ 1162.361213][   T10]      netlink_unicast+0x449/0x710
[ 1162.361213][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1162.361213][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1162.361213][   T10]      ___sys_sendmsg+0xee/0x170
[ 1162.361213][   T10]      __sys_sendmsg+0xcd/0x170
[ 1162.361213][   T10]      do_syscall_64+0xc6/0x1e0
[ 1162.361213][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1162.361213][   T10] 
[ 1162.363915][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1162.363915][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1162.363915][   T10]      ipv6_find_idev+0x102/0x170
[ 1162.363915][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1162.363915][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1162.363915][   T10]      netlink_rcv_skb+0x130/0x360
[ 1162.363915][   T10]      netlink_unicast+0x449/0x710
[ 1162.363915][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1162.363915][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1162.363915][   T10]      ___sys_sendmsg+0xee/0x170
[ 1162.363915][   T10]      __sys_sendmsg+0xcd/0x170
[ 1162.363915][   T10]      do_syscall_64+0xc6/0x1e0
[ 1162.363915][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1162.363915][   T10] 
[ 1162.366221][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1162.366221][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1162.366221][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1162.366221][   T10]      ipv6_find_idev+0x102/0x170
[ 1162.366221][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1162.366221][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1162.366221][   T10]      netlink_rcv_skb+0x130/0x360
[ 1162.366221][   T10]      netlink_unicast+0x449/0x710
[ 1162.366221][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1162.366221][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1162.366221][   T10]      ___sys_sendmsg+0xee/0x170
[ 1162.366221][   T10]      __sys_sendmsg+0xcd/0x170
[ 1162.366221][   T10]      do_syscall_64+0xc6/0x1e0
[ 1162.366221][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1162.366221][   T10] 
[ 1162.368669][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1162.368974][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1162.368974][   T10]      netdev_get_by_index+0x5e/0x80
[ 1162.368974][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1162.368974][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1162.368974][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1162.368974][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1162.368974][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1162.368974][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1162.368974][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1162.368974][   T10]      addrconf_dad_begin+0x310/0x670
[ 1162.368974][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1162.368974][   T10]      process_one_work+0x84d/0x18a0
[ 1162.368974][   T10]      worker_thread+0x587/0xd30
[ 1162.368974][   T10]      kthread+0x28a/0x350
[ 1162.368974][   T10]      ret_from_fork+0x31/0x70
[ 1162.368974][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1162.368974][   T10] 
[ 1162.371472][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1162.371472][   T10]      netdev_get_by_index+0x5e/0x80
[ 1162.371472][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1162.371472][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1162.371472][   T10]      ip6_route_add+0x1c/0x140
[ 1162.371472][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1162.371472][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1162.371472][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1162.371472][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1162.371472][   T10]      netlink_rcv_skb+0x130/0x360
[ 1162.371472][   T10]      netlink_unicast+0x449/0x710
[ 1162.371472][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1162.371472][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1162.371472][   T10]      ___sys_sendmsg+0xee/0x170
[ 1162.371472][   T10]      __sys_sendmsg+0xcd/0x170
[ 1162.371472][   T10]      do_syscall_64+0xc6/0x1e0
[ 1162.371472][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1162.371472][   T10] 
[ 1162.374156][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1162.374156][   T10]      netdev_get_by_index+0x5e/0x80
[ 1162.374156][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1162.374156][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1162.374156][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1162.374156][   T10]      ipv6_add_addr+0x411/0x2000
[ 1162.374156][   T10]      inet6_addr_add+0x30e/0xa40
[ 1162.374156][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1162.374156][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1162.374156][   T10]      netlink_rcv_skb+0x130/0x360
[ 1162.374156][   T10]      netlink_unicast+0x449/0x710
[ 1162.374156][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1162.374156][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1162.374156][   T10]      ___sys_sendmsg+0xee/0x170
[ 1162.374156][   T10]      __sys_sendmsg+0xcd/0x170
[ 1162.374156][   T10]      do_syscall_64+0xc6/0x1e0
[ 1162.374156][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1162.374156][   T10] 
[ 1162.376844][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1162.376844][   T10]      netdev_get_by_index+0x5e/0x80
[ 1162.376844][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1162.376844][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1162.376844][   T10]      ip6_route_add+0x1c/0x140
[ 1162.376844][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1162.376844][   T10]      addrconf_add_dev+0xe2/0x170
[ 1162.376844][   T10]      inet6_addr_add+0x12f/0xa40
[ 1162.376844][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1162.376844][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1162.376844][   T10]      netlink_rcv_skb+0x130/0x360
[ 1162.376844][   T10]      netlink_unicast+0x449/0x710
[ 1162.376844][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1162.376844][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1162.376844][   T10]      ___sys_sendmsg+0xee/0x170
[ 1162.376844][   T10]      __sys_sendmsg+0xcd/0x170
[ 1162.376844][   T10]      do_syscall_64+0xc6/0x1e0
[ 1162.376844][   T10] 
[ 1162.379501][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1162.379501][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1162.379501][   T10]      ipv6_find_idev+0x102/0x170
[ 1162.379501][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1162.379501][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1162.379501][   T10]      netlink_rcv_skb+0x130/0x360
[ 1162.379501][   T10]      netlink_unicast+0x449/0x710
[ 1162.379501][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1162.379501][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1162.379501][   T10]      ___sys_sendmsg+0xee/0x170
[ 1162.379501][   T10]      __sys_sendmsg+0xcd/0x170
[ 1162.379501][   T10]      do_syscall_64+0xc6/0x1e0
[ 1162.379501][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1162.379501][   T10] 
[ 1162.381572][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1162.381572][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1162.381572][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1162.381572][   T10]      ipv6_find_idev+0x102/0x170
[ 1162.381572][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1162.381572][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1162.381572][   T10]      netlink_rcv_skb+0x130/0x360
[ 1162.381572][   T10]      netlink_unicast+0x449/0x710
[ 1162.381572][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1162.381572][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1162.381572][   T10]      ___sys_sendmsg+0xee/0x170
[ 1162.381572][   T10]      __sys_sendmsg+0xcd/0x170
[ 1162.381572][   T10]      do_syscall_64+0xc6/0x1e0
[ 1162.381572][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1162.381572][   T10] 
[ 1172.384745][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1172.385207][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1172.385207][   T10]      netdev_get_by_index+0x5e/0x80
[ 1172.385207][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1172.385207][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1172.385207][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1172.385207][   T10]      ipv6_add_addr+0x411/0x2000
[ 1172.385207][   T10]      inet6_addr_add+0x30e/0xa40
[ 1172.385207][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1172.385207][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1172.385207][   T10]      netlink_rcv_skb+0x130/0x360
[ 1172.385207][   T10]      netlink_unicast+0x449/0x710
[ 1172.385207][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1172.385207][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1172.385207][   T10]      ___sys_sendmsg+0xee/0x170
[ 1172.385207][   T10]      __sys_sendmsg+0xcd/0x170
[ 1172.385207][   T10]      do_syscall_64+0xc6/0x1e0
[ 1172.385207][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1172.385207][   T10] 
[ 1172.387528][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1172.387528][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1172.387528][   T10]      ipv6_find_idev+0x102/0x170
[ 1172.387528][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1172.387528][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1172.387528][   T10]      netlink_rcv_skb+0x130/0x360
[ 1172.387528][   T10]      netlink_unicast+0x449/0x710
[ 1172.387528][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1172.387528][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1172.387528][   T10]      ___sys_sendmsg+0xee/0x170
[ 1172.387528][   T10]      __sys_sendmsg+0xcd/0x170
[ 1172.387528][   T10]      do_syscall_64+0xc6/0x1e0
[ 1172.387528][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1172.387528][   T10] 
[ 1172.389279][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1172.389279][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1172.389279][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1172.389279][   T10]      ipv6_find_idev+0x102/0x170
[ 1172.389279][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1172.389279][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1172.389279][   T10]      netlink_rcv_skb+0x130/0x360
[ 1172.389279][   T10]      netlink_unicast+0x449/0x710
[ 1172.389279][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1172.389279][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1172.389279][   T10]      ___sys_sendmsg+0xee/0x170
[ 1172.389279][   T10]      __sys_sendmsg+0xcd/0x170
[ 1172.389279][   T10]      do_syscall_64+0xc6/0x1e0
[ 1172.389279][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1172.389279][   T10] 
[ 1172.391219][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1172.391492][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1172.391492][   T10]      netdev_get_by_index+0x5e/0x80
[ 1172.391492][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1172.391492][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1172.391492][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1172.391492][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1172.391492][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1172.391492][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1172.391492][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1172.391492][   T10]      addrconf_dad_begin+0x310/0x670
[ 1172.391492][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1172.391492][   T10]      process_one_work+0x84d/0x18a0
[ 1172.391492][   T10]      worker_thread+0x587/0xd30
[ 1172.391492][   T10]      kthread+0x28a/0x350
[ 1172.391492][   T10]      ret_from_fork+0x31/0x70
[ 1172.391492][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1172.391492][   T10] 
[ 1172.393630][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1172.393630][   T10]      netdev_get_by_index+0x5e/0x80
[ 1172.393630][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1172.393630][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1172.393630][   T10]      ip6_route_add+0x1c/0x140
[ 1172.393630][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1172.393630][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1172.393630][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1172.393630][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1172.393630][   T10]      netlink_rcv_skb+0x130/0x360
[ 1172.393630][   T10]      netlink_unicast+0x449/0x710
[ 1172.393630][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1172.393630][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1172.393630][   T10]      ___sys_sendmsg+0xee/0x170
[ 1172.393630][   T10]      __sys_sendmsg+0xcd/0x170
[ 1172.393630][   T10]      do_syscall_64+0xc6/0x1e0
[ 1172.393630][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1172.393630][   T10] 
[ 1172.395914][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1172.395914][   T10]      netdev_get_by_index+0x5e/0x80
[ 1172.395914][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1172.395914][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1172.395914][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1172.395914][   T10]      ipv6_add_addr+0x411/0x2000
[ 1172.395914][   T10]      inet6_addr_add+0x30e/0xa40
[ 1172.395914][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1172.395914][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1172.395914][   T10]      netlink_rcv_skb+0x130/0x360
[ 1172.395914][   T10]      netlink_unicast+0x449/0x710
[ 1172.395914][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1172.395914][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1172.395914][   T10]      ___sys_sendmsg+0xee/0x170
[ 1172.395914][   T10]      __sys_sendmsg+0xcd/0x170
[ 1172.395914][   T10]      do_syscall_64+0xc6/0x1e0
[ 1172.395914][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1172.395914][   T10] 
[ 1172.398202][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1172.398202][   T10]      netdev_get_by_index+0x5e/0x80
[ 1172.398202][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1172.398202][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1172.398202][   T10]      ip6_route_add+0x1c/0x140
[ 1172.398202][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1172.398202][   T10]      addrconf_add_dev+0xe2/0x170
[ 1172.398202][   T10]      inet6_addr_add+0x12f/0xa40
[ 1172.398202][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1172.398202][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1172.398202][   T10]      netlink_rcv_skb+0x130/0x360
[ 1172.398202][   T10]      netlink_unicast+0x449/0x710
[ 1172.398202][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1172.398202][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1172.398202][   T10]      ___sys_sendmsg+0xee/0x170
[ 1172.398202][   T10]      __sys_sendmsg+0xcd/0x170
[ 1172.398202][   T10]      do_syscall_64+0xc6/0x1e0
[ 1172.398202][   T10] 
[ 1172.400429][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1172.400429][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1172.400429][   T10]      ipv6_find_idev+0x102/0x170
[ 1172.400429][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1172.400429][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1172.400429][   T10]      netlink_rcv_skb+0x130/0x360
[ 1172.400429][   T10]      netlink_unicast+0x449/0x710
[ 1172.400429][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1172.400429][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1172.400429][   T10]      ___sys_sendmsg+0xee/0x170
[ 1172.400429][   T10]      __sys_sendmsg+0xcd/0x170
[ 1172.400429][   T10]      do_syscall_64+0xc6/0x1e0
[ 1172.400429][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1172.400429][   T10] 
[ 1172.402175][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1172.402175][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1172.402175][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1172.402175][   T10]      ipv6_find_idev+0x102/0x170
[ 1172.402175][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1172.402175][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1172.402175][   T10]      netlink_rcv_skb+0x130/0x360
[ 1172.402175][   T10]      netlink_unicast+0x449/0x710
[ 1172.402175][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1172.402175][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1172.402175][   T10]      ___sys_sendmsg+0xee/0x170
[ 1172.402175][   T10]      __sys_sendmsg+0xcd/0x170
[ 1172.402175][   T10]      do_syscall_64+0xc6/0x1e0
[ 1172.402175][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1172.402175][   T10] 
[ 1182.640742][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1182.641191][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1182.641191][   T10]      netdev_get_by_index+0x5e/0x80
[ 1182.641191][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1182.641191][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1182.641191][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1182.641191][   T10]      ipv6_add_addr+0x411/0x2000
[ 1182.641191][   T10]      inet6_addr_add+0x30e/0xa40
[ 1182.641191][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1182.641191][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1182.641191][   T10]      netlink_rcv_skb+0x130/0x360
[ 1182.641191][   T10]      netlink_unicast+0x449/0x710
[ 1182.641191][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1182.641191][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1182.641191][   T10]      ___sys_sendmsg+0xee/0x170
[ 1182.641191][   T10]      __sys_sendmsg+0xcd/0x170
[ 1182.641191][   T10]      do_syscall_64+0xc6/0x1e0
[ 1182.641191][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1182.641191][   T10] 
[ 1182.643277][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1182.643277][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1182.643277][   T10]      ipv6_find_idev+0x102/0x170
[ 1182.643277][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1182.643277][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1182.643277][   T10]      netlink_rcv_skb+0x130/0x360
[ 1182.643277][   T10]      netlink_unicast+0x449/0x710
[ 1182.643277][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1182.643277][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1182.643277][   T10]      ___sys_sendmsg+0xee/0x170
[ 1182.643277][   T10]      __sys_sendmsg+0xcd/0x170
[ 1182.643277][   T10]      do_syscall_64+0xc6/0x1e0
[ 1182.643277][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1182.643277][   T10] 
[ 1182.644849][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1182.644849][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1182.644849][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1182.644849][   T10]      ipv6_find_idev+0x102/0x170
[ 1182.644849][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1182.644849][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1182.644849][   T10]      netlink_rcv_skb+0x130/0x360
[ 1182.644849][   T10]      netlink_unicast+0x449/0x710
[ 1182.644849][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1182.644849][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1182.644849][   T10]      ___sys_sendmsg+0xee/0x170
[ 1182.644849][   T10]      __sys_sendmsg+0xcd/0x170
[ 1182.644849][   T10]      do_syscall_64+0xc6/0x1e0
[ 1182.644849][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1182.644849][   T10] 
[ 1182.646583][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1182.646852][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1182.646852][   T10]      netdev_get_by_index+0x5e/0x80
[ 1182.646852][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1182.646852][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1182.646852][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1182.646852][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1182.646852][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1182.646852][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1182.646852][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1182.646852][   T10]      addrconf_dad_begin+0x310/0x670
[ 1182.646852][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1182.646852][   T10]      process_one_work+0x84d/0x18a0
[ 1182.646852][   T10]      worker_thread+0x587/0xd30
[ 1182.646852][   T10]      kthread+0x28a/0x350
[ 1182.646852][   T10]      ret_from_fork+0x31/0x70
[ 1182.646852][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1182.646852][   T10] 
[ 1182.648762][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1182.648762][   T10]      netdev_get_by_index+0x5e/0x80
[ 1182.648762][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1182.648762][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1182.648762][   T10]      ip6_route_add+0x1c/0x140
[ 1182.648762][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1182.648762][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1182.648762][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1182.648762][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1182.648762][   T10]      netlink_rcv_skb+0x130/0x360
[ 1182.648762][   T10]      netlink_unicast+0x449/0x710
[ 1182.648762][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1182.648762][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1182.648762][   T10]      ___sys_sendmsg+0xee/0x170
[ 1182.648762][   T10]      __sys_sendmsg+0xcd/0x170
[ 1182.648762][   T10]      do_syscall_64+0xc6/0x1e0
[ 1182.648762][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1182.648762][   T10] 
[ 1182.650804][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1182.650804][   T10]      netdev_get_by_index+0x5e/0x80
[ 1182.650804][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1182.650804][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1182.650804][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1182.650804][   T10]      ipv6_add_addr+0x411/0x2000
[ 1182.650804][   T10]      inet6_addr_add+0x30e/0xa40
[ 1182.650804][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1182.650804][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1182.650804][   T10]      netlink_rcv_skb+0x130/0x360
[ 1182.650804][   T10]      netlink_unicast+0x449/0x710
[ 1182.650804][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1182.650804][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1182.650804][   T10]      ___sys_sendmsg+0xee/0x170
[ 1182.650804][   T10]      __sys_sendmsg+0xcd/0x170
[ 1182.650804][   T10]      do_syscall_64+0xc6/0x1e0
[ 1182.650804][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1182.650804][   T10] 
[ 1182.652827][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1182.652827][   T10]      netdev_get_by_index+0x5e/0x80
[ 1182.652827][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1182.652827][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1182.652827][   T10]      ip6_route_add+0x1c/0x140
[ 1182.652827][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1182.652827][   T10]      addrconf_add_dev+0xe2/0x170
[ 1182.652827][   T10]      inet6_addr_add+0x12f/0xa40
[ 1182.652827][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1182.652827][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1182.652827][   T10]      netlink_rcv_skb+0x130/0x360
[ 1182.652827][   T10]      netlink_unicast+0x449/0x710
[ 1182.652827][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1182.652827][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1182.652827][   T10]      ___sys_sendmsg+0xee/0x170
[ 1182.652827][   T10]      __sys_sendmsg+0xcd/0x170
[ 1182.652827][   T10]      do_syscall_64+0xc6/0x1e0
[ 1182.652827][   T10] 
[ 1182.654817][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1182.654817][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1182.654817][   T10]      ipv6_find_idev+0x102/0x170
[ 1182.654817][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1182.654817][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1182.654817][   T10]      netlink_rcv_skb+0x130/0x360
[ 1182.654817][   T10]      netlink_unicast+0x449/0x710
[ 1182.654817][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1182.654817][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1182.654817][   T10]      ___sys_sendmsg+0xee/0x170
[ 1182.654817][   T10]      __sys_sendmsg+0xcd/0x170
[ 1182.654817][   T10]      do_syscall_64+0xc6/0x1e0
[ 1182.654817][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1182.654817][   T10] 
[ 1182.656384][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1182.656384][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1182.656384][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1182.656384][   T10]      ipv6_find_idev+0x102/0x170
[ 1182.656384][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1182.656384][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1182.656384][   T10]      netlink_rcv_skb+0x130/0x360
[ 1182.656384][   T10]      netlink_unicast+0x449/0x710
[ 1182.656384][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1182.656384][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1182.656384][   T10]      ___sys_sendmsg+0xee/0x170
[ 1182.656384][   T10]      __sys_sendmsg+0xcd/0x170
[ 1182.656384][   T10]      do_syscall_64+0xc6/0x1e0
[ 1182.656384][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1182.656384][   T10] 
[ 1192.896760][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1192.897227][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1192.897227][   T10]      netdev_get_by_index+0x5e/0x80
[ 1192.897227][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1192.897227][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1192.897227][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1192.897227][   T10]      ipv6_add_addr+0x411/0x2000
[ 1192.897227][   T10]      inet6_addr_add+0x30e/0xa40
[ 1192.897227][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1192.897227][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1192.897227][   T10]      netlink_rcv_skb+0x130/0x360
[ 1192.897227][   T10]      netlink_unicast+0x449/0x710
[ 1192.897227][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1192.897227][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1192.897227][   T10]      ___sys_sendmsg+0xee/0x170
[ 1192.897227][   T10]      __sys_sendmsg+0xcd/0x170
[ 1192.897227][   T10]      do_syscall_64+0xc6/0x1e0
[ 1192.897227][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1192.897227][   T10] 
[ 1192.899303][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1192.899303][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1192.899303][   T10]      ipv6_find_idev+0x102/0x170
[ 1192.899303][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1192.899303][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1192.899303][   T10]      netlink_rcv_skb+0x130/0x360
[ 1192.899303][   T10]      netlink_unicast+0x449/0x710
[ 1192.899303][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1192.899303][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1192.899303][   T10]      ___sys_sendmsg+0xee/0x170
[ 1192.899303][   T10]      __sys_sendmsg+0xcd/0x170
[ 1192.899303][   T10]      do_syscall_64+0xc6/0x1e0
[ 1192.899303][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1192.899303][   T10] 
[ 1192.900879][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1192.900879][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1192.900879][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1192.900879][   T10]      ipv6_find_idev+0x102/0x170
[ 1192.900879][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1192.900879][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1192.900879][   T10]      netlink_rcv_skb+0x130/0x360
[ 1192.900879][   T10]      netlink_unicast+0x449/0x710
[ 1192.900879][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1192.900879][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1192.900879][   T10]      ___sys_sendmsg+0xee/0x170
[ 1192.900879][   T10]      __sys_sendmsg+0xcd/0x170
[ 1192.900879][   T10]      do_syscall_64+0xc6/0x1e0
[ 1192.900879][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1192.900879][   T10] 
[ 1192.902590][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1192.902866][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1192.902866][   T10]      netdev_get_by_index+0x5e/0x80
[ 1192.902866][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1192.902866][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1192.902866][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1192.902866][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1192.902866][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1192.902866][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1192.902866][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1192.902866][   T10]      addrconf_dad_begin+0x310/0x670
[ 1192.902866][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1192.902866][   T10]      process_one_work+0x84d/0x18a0
[ 1192.902866][   T10]      worker_thread+0x587/0xd30
[ 1192.902866][   T10]      kthread+0x28a/0x350
[ 1192.902866][   T10]      ret_from_fork+0x31/0x70
[ 1192.902866][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1192.902866][   T10] 
[ 1192.904770][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1192.904770][   T10]      netdev_get_by_index+0x5e/0x80
[ 1192.904770][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1192.904770][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1192.904770][   T10]      ip6_route_add+0x1c/0x140
[ 1192.904770][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1192.904770][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1192.904770][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1192.904770][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1192.904770][   T10]      netlink_rcv_skb+0x130/0x360
[ 1192.904770][   T10]      netlink_unicast+0x449/0x710
[ 1192.904770][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1192.904770][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1192.904770][   T10]      ___sys_sendmsg+0xee/0x170
[ 1192.904770][   T10]      __sys_sendmsg+0xcd/0x170
[ 1192.904770][   T10]      do_syscall_64+0xc6/0x1e0
[ 1192.904770][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1192.904770][   T10] 
[ 1192.907049][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1192.907049][   T10]      netdev_get_by_index+0x5e/0x80
[ 1192.907049][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1192.907049][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1192.907049][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1192.907049][   T10]      ipv6_add_addr+0x411/0x2000
[ 1192.907049][   T10]      inet6_addr_add+0x30e/0xa40
[ 1192.907049][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1192.907049][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1192.907049][   T10]      netlink_rcv_skb+0x130/0x360
[ 1192.907049][   T10]      netlink_unicast+0x449/0x710
[ 1192.907049][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1192.907049][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1192.907049][   T10]      ___sys_sendmsg+0xee/0x170
[ 1192.907049][   T10]      __sys_sendmsg+0xcd/0x170
[ 1192.907049][   T10]      do_syscall_64+0xc6/0x1e0
[ 1192.907049][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1192.907049][   T10] 
[ 1192.909446][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1192.909446][   T10]      netdev_get_by_index+0x5e/0x80
[ 1192.909446][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1192.909446][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1192.909446][   T10]      ip6_route_add+0x1c/0x140
[ 1192.909446][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1192.909446][   T10]      addrconf_add_dev+0xe2/0x170
[ 1192.909446][   T10]      inet6_addr_add+0x12f/0xa40
[ 1192.909446][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1192.909446][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1192.909446][   T10]      netlink_rcv_skb+0x130/0x360
[ 1192.909446][   T10]      netlink_unicast+0x449/0x710
[ 1192.909446][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1192.909446][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1192.909446][   T10]      ___sys_sendmsg+0xee/0x170
[ 1192.909446][   T10]      __sys_sendmsg+0xcd/0x170
[ 1192.909446][   T10]      do_syscall_64+0xc6/0x1e0
[ 1192.909446][   T10] 
[ 1192.911809][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1192.911809][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1192.911809][   T10]      ipv6_find_idev+0x102/0x170
[ 1192.911809][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1192.911809][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1192.911809][   T10]      netlink_rcv_skb+0x130/0x360
[ 1192.911809][   T10]      netlink_unicast+0x449/0x710
[ 1192.911809][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1192.911809][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1192.911809][   T10]      ___sys_sendmsg+0xee/0x170
[ 1192.911809][   T10]      __sys_sendmsg+0xcd/0x170
[ 1192.911809][   T10]      do_syscall_64+0xc6/0x1e0
[ 1192.911809][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1192.911809][   T10] 
[ 1192.913660][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1192.913660][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1192.913660][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1192.913660][   T10]      ipv6_find_idev+0x102/0x170
[ 1192.913660][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1192.913660][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1192.913660][   T10]      netlink_rcv_skb+0x130/0x360
[ 1192.913660][   T10]      netlink_unicast+0x449/0x710
[ 1192.913660][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1192.913660][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1192.913660][   T10]      ___sys_sendmsg+0xee/0x170
[ 1192.913660][   T10]      __sys_sendmsg+0xcd/0x170
[ 1192.913660][   T10]      do_syscall_64+0xc6/0x1e0
[ 1192.913660][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1192.913660][   T10] 
[ 1202.960744][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1202.961141][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1202.961141][   T10]      netdev_get_by_index+0x5e/0x80
[ 1202.961141][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1202.961141][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1202.961141][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1202.961141][   T10]      ipv6_add_addr+0x411/0x2000
[ 1202.961141][   T10]      inet6_addr_add+0x30e/0xa40
[ 1202.961141][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1202.961141][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1202.961141][   T10]      netlink_rcv_skb+0x130/0x360
[ 1202.961141][   T10]      netlink_unicast+0x449/0x710
[ 1202.961141][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1202.961141][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1202.961141][   T10]      ___sys_sendmsg+0xee/0x170
[ 1202.961141][   T10]      __sys_sendmsg+0xcd/0x170
[ 1202.961141][   T10]      do_syscall_64+0xc6/0x1e0
[ 1202.961141][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1202.961141][   T10] 
[ 1202.963207][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1202.963207][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1202.963207][   T10]      ipv6_find_idev+0x102/0x170
[ 1202.963207][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1202.963207][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1202.963207][   T10]      netlink_rcv_skb+0x130/0x360
[ 1202.963207][   T10]      netlink_unicast+0x449/0x710
[ 1202.963207][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1202.963207][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1202.963207][   T10]      ___sys_sendmsg+0xee/0x170
[ 1202.963207][   T10]      __sys_sendmsg+0xcd/0x170
[ 1202.963207][   T10]      do_syscall_64+0xc6/0x1e0
[ 1202.963207][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1202.963207][   T10] 
[ 1202.964778][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1202.964778][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1202.964778][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1202.964778][   T10]      ipv6_find_idev+0x102/0x170
[ 1202.964778][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1202.964778][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1202.964778][   T10]      netlink_rcv_skb+0x130/0x360
[ 1202.964778][   T10]      netlink_unicast+0x449/0x710
[ 1202.964778][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1202.964778][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1202.964778][   T10]      ___sys_sendmsg+0xee/0x170
[ 1202.964778][   T10]      __sys_sendmsg+0xcd/0x170
[ 1202.964778][   T10]      do_syscall_64+0xc6/0x1e0
[ 1202.964778][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1202.964778][   T10] 
[ 1202.966502][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1202.966786][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1202.966786][   T10]      netdev_get_by_index+0x5e/0x80
[ 1202.966786][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1202.966786][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1202.966786][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1202.966786][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1202.966786][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1202.966786][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1202.966786][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1202.966786][   T10]      addrconf_dad_begin+0x310/0x670
[ 1202.966786][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1202.966786][   T10]      process_one_work+0x84d/0x18a0
[ 1202.966786][   T10]      worker_thread+0x587/0xd30
[ 1202.966786][   T10]      kthread+0x28a/0x350
[ 1202.966786][   T10]      ret_from_fork+0x31/0x70
[ 1202.966786][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1202.966786][   T10] 
[ 1202.968723][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1202.968723][   T10]      netdev_get_by_index+0x5e/0x80
[ 1202.968723][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1202.968723][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1202.968723][   T10]      ip6_route_add+0x1c/0x140
[ 1202.968723][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1202.968723][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1202.968723][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1202.968723][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1202.968723][   T10]      netlink_rcv_skb+0x130/0x360
[ 1202.968723][   T10]      netlink_unicast+0x449/0x710
[ 1202.968723][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1202.968723][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1202.968723][   T10]      ___sys_sendmsg+0xee/0x170
[ 1202.968723][   T10]      __sys_sendmsg+0xcd/0x170
[ 1202.968723][   T10]      do_syscall_64+0xc6/0x1e0
[ 1202.968723][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1202.968723][   T10] 
[ 1202.970775][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1202.970775][   T10]      netdev_get_by_index+0x5e/0x80
[ 1202.970775][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1202.970775][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1202.970775][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1202.970775][   T10]      ipv6_add_addr+0x411/0x2000
[ 1202.970775][   T10]      inet6_addr_add+0x30e/0xa40
[ 1202.970775][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1202.970775][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1202.970775][   T10]      netlink_rcv_skb+0x130/0x360
[ 1202.970775][   T10]      netlink_unicast+0x449/0x710
[ 1202.970775][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1202.970775][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1202.970775][   T10]      ___sys_sendmsg+0xee/0x170
[ 1202.970775][   T10]      __sys_sendmsg+0xcd/0x170
[ 1202.970775][   T10]      do_syscall_64+0xc6/0x1e0
[ 1202.970775][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1202.970775][   T10] 
[ 1202.972793][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1202.972793][   T10]      netdev_get_by_index+0x5e/0x80
[ 1202.972793][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1202.972793][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1202.972793][   T10]      ip6_route_add+0x1c/0x140
[ 1202.972793][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1202.972793][   T10]      addrconf_add_dev+0xe2/0x170
[ 1202.972793][   T10]      inet6_addr_add+0x12f/0xa40
[ 1202.972793][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1202.972793][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1202.972793][   T10]      netlink_rcv_skb+0x130/0x360
[ 1202.972793][   T10]      netlink_unicast+0x449/0x710
[ 1202.972793][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1202.972793][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1202.972793][   T10]      ___sys_sendmsg+0xee/0x170
[ 1202.972793][   T10]      __sys_sendmsg+0xcd/0x170
[ 1202.972793][   T10]      do_syscall_64+0xc6/0x1e0
[ 1202.972793][   T10] 
[ 1202.974785][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1202.974785][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1202.974785][   T10]      ipv6_find_idev+0x102/0x170
[ 1202.974785][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1202.974785][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1202.974785][   T10]      netlink_rcv_skb+0x130/0x360
[ 1202.974785][   T10]      netlink_unicast+0x449/0x710
[ 1202.974785][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1202.974785][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1202.974785][   T10]      ___sys_sendmsg+0xee/0x170
[ 1202.974785][   T10]      __sys_sendmsg+0xcd/0x170
[ 1202.974785][   T10]      do_syscall_64+0xc6/0x1e0
[ 1202.974785][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1202.974785][   T10] 
[ 1202.976360][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1202.976360][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1202.976360][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1202.976360][   T10]      ipv6_find_idev+0x102/0x170
[ 1202.976360][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1202.976360][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1202.976360][   T10]      netlink_rcv_skb+0x130/0x360
[ 1202.976360][   T10]      netlink_unicast+0x449/0x710
[ 1202.976360][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1202.976360][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1202.976360][   T10]      ___sys_sendmsg+0xee/0x170
[ 1202.976360][   T10]      __sys_sendmsg+0xcd/0x170
[ 1202.976360][   T10]      do_syscall_64+0xc6/0x1e0
[ 1202.976360][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1202.976360][   T10] 
[ 1213.224752][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1213.225152][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1213.225152][   T10]      netdev_get_by_index+0x5e/0x80
[ 1213.225152][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1213.225152][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1213.225152][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1213.225152][   T10]      ipv6_add_addr+0x411/0x2000
[ 1213.225152][   T10]      inet6_addr_add+0x30e/0xa40
[ 1213.225152][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1213.225152][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1213.225152][   T10]      netlink_rcv_skb+0x130/0x360
[ 1213.225152][   T10]      netlink_unicast+0x449/0x710
[ 1213.225152][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1213.225152][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1213.225152][   T10]      ___sys_sendmsg+0xee/0x170
[ 1213.225152][   T10]      __sys_sendmsg+0xcd/0x170
[ 1213.225152][   T10]      do_syscall_64+0xc6/0x1e0
[ 1213.225152][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1213.225152][   T10] 
[ 1213.227243][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1213.227243][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1213.227243][   T10]      ipv6_find_idev+0x102/0x170
[ 1213.227243][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1213.227243][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1213.227243][   T10]      netlink_rcv_skb+0x130/0x360
[ 1213.227243][   T10]      netlink_unicast+0x449/0x710
[ 1213.227243][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1213.227243][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1213.227243][   T10]      ___sys_sendmsg+0xee/0x170
[ 1213.227243][   T10]      __sys_sendmsg+0xcd/0x170
[ 1213.227243][   T10]      do_syscall_64+0xc6/0x1e0
[ 1213.227243][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1213.227243][   T10] 
[ 1213.228829][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1213.228829][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1213.228829][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1213.228829][   T10]      ipv6_find_idev+0x102/0x170
[ 1213.228829][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1213.228829][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1213.228829][   T10]      netlink_rcv_skb+0x130/0x360
[ 1213.228829][   T10]      netlink_unicast+0x449/0x710
[ 1213.228829][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1213.228829][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1213.228829][   T10]      ___sys_sendmsg+0xee/0x170
[ 1213.228829][   T10]      __sys_sendmsg+0xcd/0x170
[ 1213.228829][   T10]      do_syscall_64+0xc6/0x1e0
[ 1213.228829][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1213.228829][   T10] 
[ 1213.230587][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1213.230859][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1213.230859][   T10]      netdev_get_by_index+0x5e/0x80
[ 1213.230859][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1213.230859][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1213.230859][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1213.230859][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1213.230859][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1213.230859][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1213.230859][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1213.230859][   T10]      addrconf_dad_begin+0x310/0x670
[ 1213.230859][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1213.230859][   T10]      process_one_work+0x84d/0x18a0
[ 1213.230859][   T10]      worker_thread+0x587/0xd30
[ 1213.230859][   T10]      kthread+0x28a/0x350
[ 1213.230859][   T10]      ret_from_fork+0x31/0x70
[ 1213.230859][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1213.230859][   T10] 
[ 1213.232772][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1213.232772][   T10]      netdev_get_by_index+0x5e/0x80
[ 1213.232772][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1213.232772][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1213.232772][   T10]      ip6_route_add+0x1c/0x140
[ 1213.232772][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1213.232772][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1213.232772][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1213.232772][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1213.232772][   T10]      netlink_rcv_skb+0x130/0x360
[ 1213.232772][   T10]      netlink_unicast+0x449/0x710
[ 1213.232772][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1213.232772][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1213.232772][   T10]      ___sys_sendmsg+0xee/0x170
[ 1213.232772][   T10]      __sys_sendmsg+0xcd/0x170
[ 1213.232772][   T10]      do_syscall_64+0xc6/0x1e0
[ 1213.232772][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1213.232772][   T10] 
[ 1213.234809][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1213.234809][   T10]      netdev_get_by_index+0x5e/0x80
[ 1213.234809][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1213.234809][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1213.234809][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1213.234809][   T10]      ipv6_add_addr+0x411/0x2000
[ 1213.234809][   T10]      inet6_addr_add+0x30e/0xa40
[ 1213.234809][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1213.234809][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1213.234809][   T10]      netlink_rcv_skb+0x130/0x360
[ 1213.234809][   T10]      netlink_unicast+0x449/0x710
[ 1213.234809][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1213.234809][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1213.234809][   T10]      ___sys_sendmsg+0xee/0x170
[ 1213.234809][   T10]      __sys_sendmsg+0xcd/0x170
[ 1213.234809][   T10]      do_syscall_64+0xc6/0x1e0
[ 1213.234809][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1213.234809][   T10] 
[ 1213.236835][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1213.236835][   T10]      netdev_get_by_index+0x5e/0x80
[ 1213.236835][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1213.236835][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1213.236835][   T10]      ip6_route_add+0x1c/0x140
[ 1213.236835][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1213.236835][   T10]      addrconf_add_dev+0xe2/0x170
[ 1213.236835][   T10]      inet6_addr_add+0x12f/0xa40
[ 1213.236835][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1213.236835][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1213.236835][   T10]      netlink_rcv_skb+0x130/0x360
[ 1213.236835][   T10]      netlink_unicast+0x449/0x710
[ 1213.236835][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1213.236835][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1213.236835][   T10]      ___sys_sendmsg+0xee/0x170
[ 1213.236835][   T10]      __sys_sendmsg+0xcd/0x170
[ 1213.236835][   T10]      do_syscall_64+0xc6/0x1e0
[ 1213.236835][   T10] 
[ 1213.238823][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1213.238823][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1213.238823][   T10]      ipv6_find_idev+0x102/0x170
[ 1213.238823][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1213.238823][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1213.238823][   T10]      netlink_rcv_skb+0x130/0x360
[ 1213.238823][   T10]      netlink_unicast+0x449/0x710
[ 1213.238823][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1213.238823][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1213.238823][   T10]      ___sys_sendmsg+0xee/0x170
[ 1213.238823][   T10]      __sys_sendmsg+0xcd/0x170
[ 1213.238823][   T10]      do_syscall_64+0xc6/0x1e0
[ 1213.238823][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1213.238823][   T10] 
[ 1213.240387][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1213.240387][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1213.240387][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1213.240387][   T10]      ipv6_find_idev+0x102/0x170
[ 1213.240387][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1213.240387][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1213.240387][   T10]      netlink_rcv_skb+0x130/0x360
[ 1213.240387][   T10]      netlink_unicast+0x449/0x710
[ 1213.240387][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1213.240387][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1213.240387][   T10]      ___sys_sendmsg+0xee/0x170
[ 1213.240387][   T10]      __sys_sendmsg+0xcd/0x170
[ 1213.240387][   T10]      do_syscall_64+0xc6/0x1e0
[ 1213.240387][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1213.240387][   T10] 
[ 1223.480797][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1223.481193][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1223.481193][   T10]      netdev_get_by_index+0x5e/0x80
[ 1223.481193][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1223.481193][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1223.481193][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1223.481193][   T10]      ipv6_add_addr+0x411/0x2000
[ 1223.481193][   T10]      inet6_addr_add+0x30e/0xa40
[ 1223.481193][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1223.481193][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1223.481193][   T10]      netlink_rcv_skb+0x130/0x360
[ 1223.481193][   T10]      netlink_unicast+0x449/0x710
[ 1223.481193][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1223.481193][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1223.481193][   T10]      ___sys_sendmsg+0xee/0x170
[ 1223.481193][   T10]      __sys_sendmsg+0xcd/0x170
[ 1223.481193][   T10]      do_syscall_64+0xc6/0x1e0
[ 1223.481193][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1223.481193][   T10] 
[ 1223.483288][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1223.483288][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1223.483288][   T10]      ipv6_find_idev+0x102/0x170
[ 1223.483288][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1223.483288][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1223.483288][   T10]      netlink_rcv_skb+0x130/0x360
[ 1223.483288][   T10]      netlink_unicast+0x449/0x710
[ 1223.483288][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1223.483288][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1223.483288][   T10]      ___sys_sendmsg+0xee/0x170
[ 1223.483288][   T10]      __sys_sendmsg+0xcd/0x170
[ 1223.483288][   T10]      do_syscall_64+0xc6/0x1e0
[ 1223.483288][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1223.483288][   T10] 
[ 1223.484880][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1223.484880][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1223.484880][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1223.484880][   T10]      ipv6_find_idev+0x102/0x170
[ 1223.484880][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1223.484880][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1223.484880][   T10]      netlink_rcv_skb+0x130/0x360
[ 1223.484880][   T10]      netlink_unicast+0x449/0x710
[ 1223.484880][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1223.484880][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1223.484880][   T10]      ___sys_sendmsg+0xee/0x170
[ 1223.484880][   T10]      __sys_sendmsg+0xcd/0x170
[ 1223.484880][   T10]      do_syscall_64+0xc6/0x1e0
[ 1223.484880][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1223.484880][   T10] 
[ 1223.486598][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1223.486871][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1223.486871][   T10]      netdev_get_by_index+0x5e/0x80
[ 1223.486871][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1223.486871][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1223.486871][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1223.486871][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1223.486871][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1223.486871][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1223.486871][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1223.486871][   T10]      addrconf_dad_begin+0x310/0x670
[ 1223.486871][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1223.486871][   T10]      process_one_work+0x84d/0x18a0
[ 1223.486871][   T10]      worker_thread+0x587/0xd30
[ 1223.486871][   T10]      kthread+0x28a/0x350
[ 1223.486871][   T10]      ret_from_fork+0x31/0x70
[ 1223.486871][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1223.486871][   T10] 
[ 1223.488820][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1223.488820][   T10]      netdev_get_by_index+0x5e/0x80
[ 1223.488820][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1223.488820][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1223.488820][   T10]      ip6_route_add+0x1c/0x140
[ 1223.488820][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1223.488820][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1223.488820][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1223.488820][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1223.488820][   T10]      netlink_rcv_skb+0x130/0x360
[ 1223.488820][   T10]      netlink_unicast+0x449/0x710
[ 1223.488820][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1223.488820][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1223.488820][   T10]      ___sys_sendmsg+0xee/0x170
[ 1223.488820][   T10]      __sys_sendmsg+0xcd/0x170
[ 1223.488820][   T10]      do_syscall_64+0xc6/0x1e0
[ 1223.488820][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1223.488820][   T10] 
[ 1223.490850][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1223.490850][   T10]      netdev_get_by_index+0x5e/0x80
[ 1223.490850][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1223.490850][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1223.490850][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1223.490850][   T10]      ipv6_add_addr+0x411/0x2000
[ 1223.490850][   T10]      inet6_addr_add+0x30e/0xa40
[ 1223.490850][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1223.490850][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1223.490850][   T10]      netlink_rcv_skb+0x130/0x360
[ 1223.490850][   T10]      netlink_unicast+0x449/0x710
[ 1223.490850][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1223.490850][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1223.490850][   T10]      ___sys_sendmsg+0xee/0x170
[ 1223.490850][   T10]      __sys_sendmsg+0xcd/0x170
[ 1223.490850][   T10]      do_syscall_64+0xc6/0x1e0
[ 1223.490850][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1223.490850][   T10] 
[ 1223.492877][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1223.492877][   T10]      netdev_get_by_index+0x5e/0x80
[ 1223.492877][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1223.492877][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1223.492877][   T10]      ip6_route_add+0x1c/0x140
[ 1223.492877][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1223.492877][   T10]      addrconf_add_dev+0xe2/0x170
[ 1223.492877][   T10]      inet6_addr_add+0x12f/0xa40
[ 1223.492877][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1223.492877][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1223.492877][   T10]      netlink_rcv_skb+0x130/0x360
[ 1223.492877][   T10]      netlink_unicast+0x449/0x710
[ 1223.492877][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1223.492877][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1223.492877][   T10]      ___sys_sendmsg+0xee/0x170
[ 1223.492877][   T10]      __sys_sendmsg+0xcd/0x170
[ 1223.492877][   T10]      do_syscall_64+0xc6/0x1e0
[ 1223.492877][   T10] 
[ 1223.494874][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1223.494874][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1223.494874][   T10]      ipv6_find_idev+0x102/0x170
[ 1223.494874][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1223.494874][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1223.494874][   T10]      netlink_rcv_skb+0x130/0x360
[ 1223.494874][   T10]      netlink_unicast+0x449/0x710
[ 1223.494874][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1223.494874][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1223.494874][   T10]      ___sys_sendmsg+0xee/0x170
[ 1223.494874][   T10]      __sys_sendmsg+0xcd/0x170
[ 1223.494874][   T10]      do_syscall_64+0xc6/0x1e0
[ 1223.494874][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1223.494874][   T10] 
[ 1223.496433][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1223.496433][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1223.496433][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1223.496433][   T10]      ipv6_find_idev+0x102/0x170
[ 1223.496433][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1223.496433][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1223.496433][   T10]      netlink_rcv_skb+0x130/0x360
[ 1223.496433][   T10]      netlink_unicast+0x449/0x710
[ 1223.496433][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1223.496433][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1223.496433][   T10]      ___sys_sendmsg+0xee/0x170
[ 1223.496433][   T10]      __sys_sendmsg+0xcd/0x170
[ 1223.496433][   T10]      do_syscall_64+0xc6/0x1e0
[ 1223.496433][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1223.496433][   T10] 
[ 1230.120764][   T42] INFO: task modprobe:8169 blocked for more than 122 seconds.
[ 1230.121211][   T42]       Not tainted 6.8.0-virtme #1
[ 1230.121344][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1230.121570][   T42] task:modprobe        state:D stack:25648 pid:8169  tgid:8169  ppid:39     flags:0x00004002
[ 1230.121880][   T42] Call Trace:
[ 1230.121993][   T42]  <TASK>
[ 1230.122074][   T42]  __schedule+0x705/0x1ac0
[ 1230.122224][   T42]  ? __pfx___schedule+0x10/0x10
[ 1230.122363][   T42]  ? schedule+0x1a5/0x210
[ 1230.122469][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1230.122613][   T42]  ? mark_lock+0x38/0x3e0
[ 1230.122734][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 1230.122875][   T42]  ? schedule+0x1a5/0x210
[ 1230.122988][   T42]  schedule+0xdf/0x210
[ 1230.123097][   T42]  schedule_preempt_disabled+0x15/0x30
[ 1230.123234][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[ 1230.123662][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 1230.123834][   T42]  ? kasan_save_stack+0x34/0x50
[ 1230.123970][   T42]  ? kasan_save_stack+0x24/0x50
[ 1230.124122][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1230.124266][   T42]  ? lock_acquire+0x1c1/0x220
[ 1230.124404][   T42]  ? register_pernet_subsys+0x1a/0x50
[ 1230.124553][   T42]  down_write+0x1c9/0x200
[ 1230.124670][   T42]  ? __pfx_down_write+0x10/0x10
[ 1230.124805][   T42]  ? __pfx___lock_release+0x10/0x10
[ 1230.124949][   T42]  ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables]
[ 1230.125192][   T42]  register_pernet_subsys+0x1a/0x50
[ 1230.125328][   T42]  nf_tables_module_init+0x17/0x100 [nf_tables]
[ 1230.125532][   T42]  do_one_initcall+0xc8/0x3f0
[ 1230.125696][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[ 1230.125841][   T42]  ? __create_object+0x5e/0xb0
[ 1230.125986][   T42]  ? kasan_unpoison+0x27/0x60
[ 1230.126133][   T42]  do_init_module+0x233/0x740
[ 1230.126280][   T42]  load_module+0x16b5/0x2350
[ 1230.126429][   T42]  ? __pfx_load_module+0x10/0x10
[ 1230.126566][   T42]  ? kernel_read_file+0x3d2/0x520
[ 1230.126716][   T42]  ? kernel_read_file+0x300/0x520
[ 1230.126861][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[ 1230.127007][   T42]  ? init_module_from_file+0xd2/0x130
[ 1230.127154][   T42]  init_module_from_file+0xd2/0x130
[ 1230.127289][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[ 1230.127462][   T42]  ? __lock_release+0x103/0x460
[ 1230.127597][   T42]  ? idempotent_init_module+0x32a/0x620
[ 1230.127754][   T42]  ? idempotent_init_module+0x32a/0x620
[ 1230.127897][   T42]  ? do_raw_spin_unlock+0x58/0x220
[ 1230.128039][   T42]  idempotent_init_module+0x342/0x620
[ 1230.128179][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 1230.128368][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 1230.128507][   T42]  do_syscall_64+0xc6/0x1e0
[ 1230.128661][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1230.128981][   T42] RIP: 0033:0x7f8894ecfe5d
[ 1230.129128][   T42] RSP: 002b:00007ffc02fe9148 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 1230.129341][   T42] RAX: ffffffffffffffda RBX: 0000561734795e90 RCX: 00007f8894ecfe5d
[ 1230.129547][   T42] RDX: 0000000000000000 RSI: 000056171fd7ca2a RDI: 0000000000000001
[ 1230.129783][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00005617347964f0
[ 1230.129989][   T42] R10: 0000000000000001 R11: 0000000000000246 R12: 000056171fd7ca2a
[ 1230.130194][   T42] R13: 0000561734795e40 R14: 0000561734796570 R15: 0000000000000000
[ 1230.130410][   T42]  </TASK>
[ 1230.130514][   T42] 
[ 1230.130514][   T42] Showing all locks held in the system:
[ 1230.130727][   T42] 3 locks held by kworker/u16:0/10:
[ 1230.130874][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1230.131155][   T42]  #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1230.131398][   T42]  #2: ffffffff9816a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[ 1230.131650][   T42] 2 locks held by kworker/u20:0/39:
[ 1230.131782][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1230.132054][   T42]  #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1230.132364][   T42] 1 lock held by khungtaskd/42:
[ 1230.132493][   T42]  #0: ffffffff979591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[ 1230.132745][   T42] 1 lock held by modprobe/8169:
[ 1230.132875][   T42]  #0: ffffffff9816a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[ 1230.133147][   T42] 
[ 1230.133224][   T42] =============================================
[ 1230.133224][   T42] 
[ 1233.736744][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1233.737147][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1233.737147][   T10]      netdev_get_by_index+0x5e/0x80
[ 1233.737147][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1233.737147][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1233.737147][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1233.737147][   T10]      ipv6_add_addr+0x411/0x2000
[ 1233.737147][   T10]      inet6_addr_add+0x30e/0xa40
[ 1233.737147][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1233.737147][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1233.737147][   T10]      netlink_rcv_skb+0x130/0x360
[ 1233.737147][   T10]      netlink_unicast+0x449/0x710
[ 1233.737147][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1233.737147][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1233.737147][   T10]      ___sys_sendmsg+0xee/0x170
[ 1233.737147][   T10]      __sys_sendmsg+0xcd/0x170
[ 1233.737147][   T10]      do_syscall_64+0xc6/0x1e0
[ 1233.737147][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1233.737147][   T10] 
[ 1233.739203][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1233.739203][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1233.739203][   T10]      ipv6_find_idev+0x102/0x170
[ 1233.739203][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1233.739203][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1233.739203][   T10]      netlink_rcv_skb+0x130/0x360
[ 1233.739203][   T10]      netlink_unicast+0x449/0x710
[ 1233.739203][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1233.739203][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1233.739203][   T10]      ___sys_sendmsg+0xee/0x170
[ 1233.739203][   T10]      __sys_sendmsg+0xcd/0x170
[ 1233.739203][   T10]      do_syscall_64+0xc6/0x1e0
[ 1233.739203][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1233.739203][   T10] 
[ 1233.740797][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1233.740797][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1233.740797][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1233.740797][   T10]      ipv6_find_idev+0x102/0x170
[ 1233.740797][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1233.740797][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1233.740797][   T10]      netlink_rcv_skb+0x130/0x360
[ 1233.740797][   T10]      netlink_unicast+0x449/0x710
[ 1233.740797][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1233.740797][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1233.740797][   T10]      ___sys_sendmsg+0xee/0x170
[ 1233.740797][   T10]      __sys_sendmsg+0xcd/0x170
[ 1233.740797][   T10]      do_syscall_64+0xc6/0x1e0
[ 1233.740797][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1233.740797][   T10] 
[ 1233.742510][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1233.742791][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1233.742791][   T10]      netdev_get_by_index+0x5e/0x80
[ 1233.742791][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1233.742791][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1233.742791][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1233.742791][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1233.742791][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1233.742791][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1233.742791][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1233.742791][   T10]      addrconf_dad_begin+0x310/0x670
[ 1233.742791][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1233.742791][   T10]      process_one_work+0x84d/0x18a0
[ 1233.742791][   T10]      worker_thread+0x587/0xd30
[ 1233.742791][   T10]      kthread+0x28a/0x350
[ 1233.742791][   T10]      ret_from_fork+0x31/0x70
[ 1233.742791][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1233.742791][   T10] 
[ 1233.744707][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1233.744707][   T10]      netdev_get_by_index+0x5e/0x80
[ 1233.744707][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1233.744707][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1233.744707][   T10]      ip6_route_add+0x1c/0x140
[ 1233.744707][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1233.744707][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1233.744707][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1233.744707][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1233.744707][   T10]      netlink_rcv_skb+0x130/0x360
[ 1233.744707][   T10]      netlink_unicast+0x449/0x710
[ 1233.744707][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1233.744707][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1233.744707][   T10]      ___sys_sendmsg+0xee/0x170
[ 1233.744707][   T10]      __sys_sendmsg+0xcd/0x170
[ 1233.744707][   T10]      do_syscall_64+0xc6/0x1e0
[ 1233.744707][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1233.744707][   T10] 
[ 1233.746750][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1233.746750][   T10]      netdev_get_by_index+0x5e/0x80
[ 1233.746750][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1233.746750][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1233.746750][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1233.746750][   T10]      ipv6_add_addr+0x411/0x2000
[ 1233.746750][   T10]      inet6_addr_add+0x30e/0xa40
[ 1233.746750][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1233.746750][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1233.746750][   T10]      netlink_rcv_skb+0x130/0x360
[ 1233.746750][   T10]      netlink_unicast+0x449/0x710
[ 1233.746750][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1233.746750][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1233.746750][   T10]      ___sys_sendmsg+0xee/0x170
[ 1233.746750][   T10]      __sys_sendmsg+0xcd/0x170
[ 1233.746750][   T10]      do_syscall_64+0xc6/0x1e0
[ 1233.746750][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1233.746750][   T10] 
[ 1233.748791][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1233.748791][   T10]      netdev_get_by_index+0x5e/0x80
[ 1233.748791][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1233.748791][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1233.748791][   T10]      ip6_route_add+0x1c/0x140
[ 1233.748791][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1233.748791][   T10]      addrconf_add_dev+0xe2/0x170
[ 1233.748791][   T10]      inet6_addr_add+0x12f/0xa40
[ 1233.748791][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1233.748791][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1233.748791][   T10]      netlink_rcv_skb+0x130/0x360
[ 1233.748791][   T10]      netlink_unicast+0x449/0x710
[ 1233.748791][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1233.748791][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1233.748791][   T10]      ___sys_sendmsg+0xee/0x170
[ 1233.748791][   T10]      __sys_sendmsg+0xcd/0x170
[ 1233.748791][   T10]      do_syscall_64+0xc6/0x1e0
[ 1233.748791][   T10] 
[ 1233.750778][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1233.750778][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1233.750778][   T10]      ipv6_find_idev+0x102/0x170
[ 1233.750778][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1233.750778][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1233.750778][   T10]      netlink_rcv_skb+0x130/0x360
[ 1233.750778][   T10]      netlink_unicast+0x449/0x710
[ 1233.750778][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1233.750778][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1233.750778][   T10]      ___sys_sendmsg+0xee/0x170
[ 1233.750778][   T10]      __sys_sendmsg+0xcd/0x170
[ 1233.750778][   T10]      do_syscall_64+0xc6/0x1e0
[ 1233.750778][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1233.750778][   T10] 
[ 1233.752331][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1233.752331][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1233.752331][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1233.752331][   T10]      ipv6_find_idev+0x102/0x170
[ 1233.752331][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1233.752331][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1233.752331][   T10]      netlink_rcv_skb+0x130/0x360
[ 1233.752331][   T10]      netlink_unicast+0x449/0x710
[ 1233.752331][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1233.752331][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1233.752331][   T10]      ___sys_sendmsg+0xee/0x170
[ 1233.752331][   T10]      __sys_sendmsg+0xcd/0x170
[ 1233.752331][   T10]      do_syscall_64+0xc6/0x1e0
[ 1233.752331][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1233.752331][   T10] 
[ 1243.776740][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1243.777158][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1243.777158][   T10]      netdev_get_by_index+0x5e/0x80
[ 1243.777158][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1243.777158][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1243.777158][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1243.777158][   T10]      ipv6_add_addr+0x411/0x2000
[ 1243.777158][   T10]      inet6_addr_add+0x30e/0xa40
[ 1243.777158][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1243.777158][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1243.777158][   T10]      netlink_rcv_skb+0x130/0x360
[ 1243.777158][   T10]      netlink_unicast+0x449/0x710
[ 1243.777158][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1243.777158][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1243.777158][   T10]      ___sys_sendmsg+0xee/0x170
[ 1243.777158][   T10]      __sys_sendmsg+0xcd/0x170
[ 1243.777158][   T10]      do_syscall_64+0xc6/0x1e0
[ 1243.777158][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1243.777158][   T10] 
[ 1243.779214][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1243.779214][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1243.779214][   T10]      ipv6_find_idev+0x102/0x170
[ 1243.779214][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1243.779214][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1243.779214][   T10]      netlink_rcv_skb+0x130/0x360
[ 1243.779214][   T10]      netlink_unicast+0x449/0x710
[ 1243.779214][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1243.779214][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1243.779214][   T10]      ___sys_sendmsg+0xee/0x170
[ 1243.779214][   T10]      __sys_sendmsg+0xcd/0x170
[ 1243.779214][   T10]      do_syscall_64+0xc6/0x1e0
[ 1243.779214][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1243.779214][   T10] 
[ 1243.780788][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1243.780788][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1243.780788][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1243.780788][   T10]      ipv6_find_idev+0x102/0x170
[ 1243.780788][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1243.780788][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1243.780788][   T10]      netlink_rcv_skb+0x130/0x360
[ 1243.780788][   T10]      netlink_unicast+0x449/0x710
[ 1243.780788][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1243.780788][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1243.780788][   T10]      ___sys_sendmsg+0xee/0x170
[ 1243.780788][   T10]      __sys_sendmsg+0xcd/0x170
[ 1243.780788][   T10]      do_syscall_64+0xc6/0x1e0
[ 1243.780788][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1243.780788][   T10] 
[ 1243.782502][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1243.782773][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1243.782773][   T10]      netdev_get_by_index+0x5e/0x80
[ 1243.782773][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1243.782773][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1243.782773][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1243.782773][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1243.782773][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1243.782773][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1243.782773][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1243.782773][   T10]      addrconf_dad_begin+0x310/0x670
[ 1243.782773][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1243.782773][   T10]      process_one_work+0x84d/0x18a0
[ 1243.782773][   T10]      worker_thread+0x587/0xd30
[ 1243.782773][   T10]      kthread+0x28a/0x350
[ 1243.782773][   T10]      ret_from_fork+0x31/0x70
[ 1243.782773][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1243.782773][   T10] 
[ 1243.784693][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1243.784693][   T10]      netdev_get_by_index+0x5e/0x80
[ 1243.784693][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1243.784693][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1243.784693][   T10]      ip6_route_add+0x1c/0x140
[ 1243.784693][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1243.784693][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1243.784693][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1243.784693][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1243.784693][   T10]      netlink_rcv_skb+0x130/0x360
[ 1243.784693][   T10]      netlink_unicast+0x449/0x710
[ 1243.784693][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1243.784693][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1243.784693][   T10]      ___sys_sendmsg+0xee/0x170
[ 1243.784693][   T10]      __sys_sendmsg+0xcd/0x170
[ 1243.784693][   T10]      do_syscall_64+0xc6/0x1e0
[ 1243.784693][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1243.784693][   T10] 
[ 1243.786715][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1243.786715][   T10]      netdev_get_by_index+0x5e/0x80
[ 1243.786715][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1243.786715][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1243.786715][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1243.786715][   T10]      ipv6_add_addr+0x411/0x2000
[ 1243.786715][   T10]      inet6_addr_add+0x30e/0xa40
[ 1243.786715][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1243.786715][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1243.786715][   T10]      netlink_rcv_skb+0x130/0x360
[ 1243.786715][   T10]      netlink_unicast+0x449/0x710
[ 1243.786715][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1243.786715][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1243.786715][   T10]      ___sys_sendmsg+0xee/0x170
[ 1243.786715][   T10]      __sys_sendmsg+0xcd/0x170
[ 1243.786715][   T10]      do_syscall_64+0xc6/0x1e0
[ 1243.786715][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1243.786715][   T10] 
[ 1243.788758][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1243.788758][   T10]      netdev_get_by_index+0x5e/0x80
[ 1243.788758][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1243.788758][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1243.788758][   T10]      ip6_route_add+0x1c/0x140
[ 1243.788758][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1243.788758][   T10]      addrconf_add_dev+0xe2/0x170
[ 1243.788758][   T10]      inet6_addr_add+0x12f/0xa40
[ 1243.788758][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1243.788758][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1243.788758][   T10]      netlink_rcv_skb+0x130/0x360
[ 1243.788758][   T10]      netlink_unicast+0x449/0x710
[ 1243.788758][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1243.788758][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1243.788758][   T10]      ___sys_sendmsg+0xee/0x170
[ 1243.788758][   T10]      __sys_sendmsg+0xcd/0x170
[ 1243.788758][   T10]      do_syscall_64+0xc6/0x1e0
[ 1243.788758][   T10] 
[ 1243.790740][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1243.790740][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1243.790740][   T10]      ipv6_find_idev+0x102/0x170
[ 1243.790740][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1243.790740][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1243.790740][   T10]      netlink_rcv_skb+0x130/0x360
[ 1243.790740][   T10]      netlink_unicast+0x449/0x710
[ 1243.790740][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1243.790740][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1243.790740][   T10]      ___sys_sendmsg+0xee/0x170
[ 1243.790740][   T10]      __sys_sendmsg+0xcd/0x170
[ 1243.790740][   T10]      do_syscall_64+0xc6/0x1e0
[ 1243.790740][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1243.790740][   T10] 
[ 1243.792303][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1243.792303][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1243.792303][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1243.792303][   T10]      ipv6_find_idev+0x102/0x170
[ 1243.792303][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1243.792303][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1243.792303][   T10]      netlink_rcv_skb+0x130/0x360
[ 1243.792303][   T10]      netlink_unicast+0x449/0x710
[ 1243.792303][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1243.792303][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1243.792303][   T10]      ___sys_sendmsg+0xee/0x170
[ 1243.792303][   T10]      __sys_sendmsg+0xcd/0x170
[ 1243.792303][   T10]      do_syscall_64+0xc6/0x1e0
[ 1243.792303][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1243.792303][   T10] 
[ 1254.032744][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1254.033172][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1254.033172][   T10]      netdev_get_by_index+0x5e/0x80
[ 1254.033172][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1254.033172][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1254.033172][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1254.033172][   T10]      ipv6_add_addr+0x411/0x2000
[ 1254.033172][   T10]      inet6_addr_add+0x30e/0xa40
[ 1254.033172][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1254.033172][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1254.033172][   T10]      netlink_rcv_skb+0x130/0x360
[ 1254.033172][   T10]      netlink_unicast+0x449/0x710
[ 1254.033172][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1254.033172][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1254.033172][   T10]      ___sys_sendmsg+0xee/0x170
[ 1254.033172][   T10]      __sys_sendmsg+0xcd/0x170
[ 1254.033172][   T10]      do_syscall_64+0xc6/0x1e0
[ 1254.033172][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1254.033172][   T10] 
[ 1254.035487][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1254.035487][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1254.035487][   T10]      ipv6_find_idev+0x102/0x170
[ 1254.035487][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1254.035487][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1254.035487][   T10]      netlink_rcv_skb+0x130/0x360
[ 1254.035487][   T10]      netlink_unicast+0x449/0x710
[ 1254.035487][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1254.035487][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1254.035487][   T10]      ___sys_sendmsg+0xee/0x170
[ 1254.035487][   T10]      __sys_sendmsg+0xcd/0x170
[ 1254.035487][   T10]      do_syscall_64+0xc6/0x1e0
[ 1254.035487][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1254.035487][   T10] 
[ 1254.037269][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1254.037269][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1254.037269][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1254.037269][   T10]      ipv6_find_idev+0x102/0x170
[ 1254.037269][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1254.037269][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1254.037269][   T10]      netlink_rcv_skb+0x130/0x360
[ 1254.037269][   T10]      netlink_unicast+0x449/0x710
[ 1254.037269][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1254.037269][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1254.037269][   T10]      ___sys_sendmsg+0xee/0x170
[ 1254.037269][   T10]      __sys_sendmsg+0xcd/0x170
[ 1254.037269][   T10]      do_syscall_64+0xc6/0x1e0
[ 1254.037269][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1254.037269][   T10] 
[ 1254.039217][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1254.039508][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1254.039508][   T10]      netdev_get_by_index+0x5e/0x80
[ 1254.039508][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1254.039508][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1254.039508][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1254.039508][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1254.039508][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1254.039508][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1254.039508][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1254.039508][   T10]      addrconf_dad_begin+0x310/0x670
[ 1254.039508][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1254.039508][   T10]      process_one_work+0x84d/0x18a0
[ 1254.039508][   T10]      worker_thread+0x587/0xd30
[ 1254.039508][   T10]      kthread+0x28a/0x350
[ 1254.039508][   T10]      ret_from_fork+0x31/0x70
[ 1254.039508][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1254.039508][   T10] 
[ 1254.041657][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1254.041657][   T10]      netdev_get_by_index+0x5e/0x80
[ 1254.041657][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1254.041657][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1254.041657][   T10]      ip6_route_add+0x1c/0x140
[ 1254.041657][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1254.041657][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1254.041657][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1254.041657][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1254.041657][   T10]      netlink_rcv_skb+0x130/0x360
[ 1254.041657][   T10]      netlink_unicast+0x449/0x710
[ 1254.041657][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1254.041657][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1254.041657][   T10]      ___sys_sendmsg+0xee/0x170
[ 1254.041657][   T10]      __sys_sendmsg+0xcd/0x170
[ 1254.041657][   T10]      do_syscall_64+0xc6/0x1e0
[ 1254.041657][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1254.041657][   T10] 
[ 1254.043948][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1254.043948][   T10]      netdev_get_by_index+0x5e/0x80
[ 1254.043948][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1254.043948][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1254.043948][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1254.043948][   T10]      ipv6_add_addr+0x411/0x2000
[ 1254.043948][   T10]      inet6_addr_add+0x30e/0xa40
[ 1254.043948][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1254.043948][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1254.043948][   T10]      netlink_rcv_skb+0x130/0x360
[ 1254.043948][   T10]      netlink_unicast+0x449/0x710
[ 1254.043948][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1254.043948][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1254.043948][   T10]      ___sys_sendmsg+0xee/0x170
[ 1254.043948][   T10]      __sys_sendmsg+0xcd/0x170
[ 1254.043948][   T10]      do_syscall_64+0xc6/0x1e0
[ 1254.043948][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1254.043948][   T10] 
[ 1254.046239][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1254.046239][   T10]      netdev_get_by_index+0x5e/0x80
[ 1254.046239][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1254.046239][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1254.046239][   T10]      ip6_route_add+0x1c/0x140
[ 1254.046239][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1254.046239][   T10]      addrconf_add_dev+0xe2/0x170
[ 1254.046239][   T10]      inet6_addr_add+0x12f/0xa40
[ 1254.046239][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1254.046239][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1254.046239][   T10]      netlink_rcv_skb+0x130/0x360
[ 1254.046239][   T10]      netlink_unicast+0x449/0x710
[ 1254.046239][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1254.046239][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1254.046239][   T10]      ___sys_sendmsg+0xee/0x170
[ 1254.046239][   T10]      __sys_sendmsg+0xcd/0x170
[ 1254.046239][   T10]      do_syscall_64+0xc6/0x1e0
[ 1254.046239][   T10] 
[ 1254.048482][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1254.048482][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1254.048482][   T10]      ipv6_find_idev+0x102/0x170
[ 1254.048482][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1254.048482][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1254.048482][   T10]      netlink_rcv_skb+0x130/0x360
[ 1254.048482][   T10]      netlink_unicast+0x449/0x710
[ 1254.048482][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1254.048482][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1254.048482][   T10]      ___sys_sendmsg+0xee/0x170
[ 1254.048482][   T10]      __sys_sendmsg+0xcd/0x170
[ 1254.048482][   T10]      do_syscall_64+0xc6/0x1e0
[ 1254.048482][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1254.048482][   T10] 
[ 1254.050249][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1254.050249][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1254.050249][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1254.050249][   T10]      ipv6_find_idev+0x102/0x170
[ 1254.050249][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1254.050249][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1254.050249][   T10]      netlink_rcv_skb+0x130/0x360
[ 1254.050249][   T10]      netlink_unicast+0x449/0x710
[ 1254.050249][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1254.050249][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1254.050249][   T10]      ___sys_sendmsg+0xee/0x170
[ 1254.050249][   T10]      __sys_sendmsg+0xcd/0x170
[ 1254.050249][   T10]      do_syscall_64+0xc6/0x1e0
[ 1254.050249][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1254.050249][   T10] 
[ 1264.288759][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1264.289157][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1264.289157][   T10]      netdev_get_by_index+0x5e/0x80
[ 1264.289157][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1264.289157][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1264.289157][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1264.289157][   T10]      ipv6_add_addr+0x411/0x2000
[ 1264.289157][   T10]      inet6_addr_add+0x30e/0xa40
[ 1264.289157][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1264.289157][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1264.289157][   T10]      netlink_rcv_skb+0x130/0x360
[ 1264.289157][   T10]      netlink_unicast+0x449/0x710
[ 1264.289157][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1264.289157][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1264.289157][   T10]      ___sys_sendmsg+0xee/0x170
[ 1264.289157][   T10]      __sys_sendmsg+0xcd/0x170
[ 1264.289157][   T10]      do_syscall_64+0xc6/0x1e0
[ 1264.289157][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1264.289157][   T10] 
[ 1264.291480][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1264.291480][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1264.291480][   T10]      ipv6_find_idev+0x102/0x170
[ 1264.291480][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1264.291480][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1264.291480][   T10]      netlink_rcv_skb+0x130/0x360
[ 1264.291480][   T10]      netlink_unicast+0x449/0x710
[ 1264.291480][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1264.291480][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1264.291480][   T10]      ___sys_sendmsg+0xee/0x170
[ 1264.291480][   T10]      __sys_sendmsg+0xcd/0x170
[ 1264.291480][   T10]      do_syscall_64+0xc6/0x1e0
[ 1264.291480][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1264.291480][   T10] 
[ 1264.293243][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1264.293243][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1264.293243][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1264.293243][   T10]      ipv6_find_idev+0x102/0x170
[ 1264.293243][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1264.293243][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1264.293243][   T10]      netlink_rcv_skb+0x130/0x360
[ 1264.293243][   T10]      netlink_unicast+0x449/0x710
[ 1264.293243][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1264.293243][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1264.293243][   T10]      ___sys_sendmsg+0xee/0x170
[ 1264.293243][   T10]      __sys_sendmsg+0xcd/0x170
[ 1264.293243][   T10]      do_syscall_64+0xc6/0x1e0
[ 1264.293243][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1264.293243][   T10] 
[ 1264.295183][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1264.295455][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1264.295455][   T10]      netdev_get_by_index+0x5e/0x80
[ 1264.295455][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1264.295455][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1264.295455][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1264.295455][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1264.295455][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1264.295455][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1264.295455][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1264.295455][   T10]      addrconf_dad_begin+0x310/0x670
[ 1264.295455][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1264.295455][   T10]      process_one_work+0x84d/0x18a0
[ 1264.295455][   T10]      worker_thread+0x587/0xd30
[ 1264.295455][   T10]      kthread+0x28a/0x350
[ 1264.295455][   T10]      ret_from_fork+0x31/0x70
[ 1264.295455][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1264.295455][   T10] 
[ 1264.297667][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1264.297667][   T10]      netdev_get_by_index+0x5e/0x80
[ 1264.297667][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1264.297667][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1264.297667][   T10]      ip6_route_add+0x1c/0x140
[ 1264.297667][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1264.297667][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1264.297667][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1264.297667][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1264.297667][   T10]      netlink_rcv_skb+0x130/0x360
[ 1264.297667][   T10]      netlink_unicast+0x449/0x710
[ 1264.297667][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1264.297667][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1264.297667][   T10]      ___sys_sendmsg+0xee/0x170
[ 1264.297667][   T10]      __sys_sendmsg+0xcd/0x170
[ 1264.297667][   T10]      do_syscall_64+0xc6/0x1e0
[ 1264.297667][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1264.297667][   T10] 
[ 1264.299937][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1264.299937][   T10]      netdev_get_by_index+0x5e/0x80
[ 1264.299937][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1264.299937][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1264.299937][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1264.299937][   T10]      ipv6_add_addr+0x411/0x2000
[ 1264.299937][   T10]      inet6_addr_add+0x30e/0xa40
[ 1264.299937][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1264.299937][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1264.299937][   T10]      netlink_rcv_skb+0x130/0x360
[ 1264.299937][   T10]      netlink_unicast+0x449/0x710
[ 1264.299937][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1264.299937][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1264.299937][   T10]      ___sys_sendmsg+0xee/0x170
[ 1264.299937][   T10]      __sys_sendmsg+0xcd/0x170
[ 1264.299937][   T10]      do_syscall_64+0xc6/0x1e0
[ 1264.299937][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1264.299937][   T10] 
[ 1264.302222][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1264.302222][   T10]      netdev_get_by_index+0x5e/0x80
[ 1264.302222][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1264.302222][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1264.302222][   T10]      ip6_route_add+0x1c/0x140
[ 1264.302222][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1264.302222][   T10]      addrconf_add_dev+0xe2/0x170
[ 1264.302222][   T10]      inet6_addr_add+0x12f/0xa40
[ 1264.302222][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1264.302222][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1264.302222][   T10]      netlink_rcv_skb+0x130/0x360
[ 1264.302222][   T10]      netlink_unicast+0x449/0x710
[ 1264.302222][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1264.302222][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1264.302222][   T10]      ___sys_sendmsg+0xee/0x170
[ 1264.302222][   T10]      __sys_sendmsg+0xcd/0x170
[ 1264.302222][   T10]      do_syscall_64+0xc6/0x1e0
[ 1264.302222][   T10] 
[ 1264.304462][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1264.304462][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1264.304462][   T10]      ipv6_find_idev+0x102/0x170
[ 1264.304462][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1264.304462][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1264.304462][   T10]      netlink_rcv_skb+0x130/0x360
[ 1264.304462][   T10]      netlink_unicast+0x449/0x710
[ 1264.304462][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1264.304462][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1264.304462][   T10]      ___sys_sendmsg+0xee/0x170
[ 1264.304462][   T10]      __sys_sendmsg+0xcd/0x170
[ 1264.304462][   T10]      do_syscall_64+0xc6/0x1e0
[ 1264.304462][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1264.304462][   T10] 
[ 1264.306232][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1264.306232][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1264.306232][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1264.306232][   T10]      ipv6_find_idev+0x102/0x170
[ 1264.306232][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1264.306232][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1264.306232][   T10]      netlink_rcv_skb+0x130/0x360
[ 1264.306232][   T10]      netlink_unicast+0x449/0x710
[ 1264.306232][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1264.306232][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1264.306232][   T10]      ___sys_sendmsg+0xee/0x170
[ 1264.306232][   T10]      __sys_sendmsg+0xcd/0x170
[ 1264.306232][   T10]      do_syscall_64+0xc6/0x1e0
[ 1264.306232][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1264.306232][   T10] 
[ 1274.504769][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1274.505168][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1274.505168][   T10]      netdev_get_by_index+0x5e/0x80
[ 1274.505168][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1274.505168][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1274.505168][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1274.505168][   T10]      ipv6_add_addr+0x411/0x2000
[ 1274.505168][   T10]      inet6_addr_add+0x30e/0xa40
[ 1274.505168][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1274.505168][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1274.505168][   T10]      netlink_rcv_skb+0x130/0x360
[ 1274.505168][   T10]      netlink_unicast+0x449/0x710
[ 1274.505168][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1274.505168][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1274.505168][   T10]      ___sys_sendmsg+0xee/0x170
[ 1274.505168][   T10]      __sys_sendmsg+0xcd/0x170
[ 1274.505168][   T10]      do_syscall_64+0xc6/0x1e0
[ 1274.505168][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1274.505168][   T10] 
[ 1274.507253][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1274.507253][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1274.507253][   T10]      ipv6_find_idev+0x102/0x170
[ 1274.507253][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1274.507253][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1274.507253][   T10]      netlink_rcv_skb+0x130/0x360
[ 1274.507253][   T10]      netlink_unicast+0x449/0x710
[ 1274.507253][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1274.507253][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1274.507253][   T10]      ___sys_sendmsg+0xee/0x170
[ 1274.507253][   T10]      __sys_sendmsg+0xcd/0x170
[ 1274.507253][   T10]      do_syscall_64+0xc6/0x1e0
[ 1274.507253][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1274.507253][   T10] 
[ 1274.508856][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1274.508856][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1274.508856][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1274.508856][   T10]      ipv6_find_idev+0x102/0x170
[ 1274.508856][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1274.508856][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1274.508856][   T10]      netlink_rcv_skb+0x130/0x360
[ 1274.508856][   T10]      netlink_unicast+0x449/0x710
[ 1274.508856][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1274.508856][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1274.508856][   T10]      ___sys_sendmsg+0xee/0x170
[ 1274.508856][   T10]      __sys_sendmsg+0xcd/0x170
[ 1274.508856][   T10]      do_syscall_64+0xc6/0x1e0
[ 1274.508856][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1274.508856][   T10] 
[ 1274.510561][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1274.510827][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1274.510827][   T10]      netdev_get_by_index+0x5e/0x80
[ 1274.510827][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1274.510827][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1274.510827][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1274.510827][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1274.510827][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1274.510827][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1274.510827][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1274.510827][   T10]      addrconf_dad_begin+0x310/0x670
[ 1274.510827][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1274.510827][   T10]      process_one_work+0x84d/0x18a0
[ 1274.510827][   T10]      worker_thread+0x587/0xd30
[ 1274.510827][   T10]      kthread+0x28a/0x350
[ 1274.510827][   T10]      ret_from_fork+0x31/0x70
[ 1274.510827][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1274.510827][   T10] 
[ 1274.512738][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1274.512738][   T10]      netdev_get_by_index+0x5e/0x80
[ 1274.512738][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1274.512738][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1274.512738][   T10]      ip6_route_add+0x1c/0x140
[ 1274.512738][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1274.512738][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1274.512738][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1274.512738][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1274.512738][   T10]      netlink_rcv_skb+0x130/0x360
[ 1274.512738][   T10]      netlink_unicast+0x449/0x710
[ 1274.512738][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1274.512738][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1274.512738][   T10]      ___sys_sendmsg+0xee/0x170
[ 1274.512738][   T10]      __sys_sendmsg+0xcd/0x170
[ 1274.512738][   T10]      do_syscall_64+0xc6/0x1e0
[ 1274.512738][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1274.512738][   T10] 
[ 1274.514769][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1274.514769][   T10]      netdev_get_by_index+0x5e/0x80
[ 1274.514769][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1274.514769][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1274.514769][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1274.514769][   T10]      ipv6_add_addr+0x411/0x2000
[ 1274.514769][   T10]      inet6_addr_add+0x30e/0xa40
[ 1274.514769][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1274.514769][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1274.514769][   T10]      netlink_rcv_skb+0x130/0x360
[ 1274.514769][   T10]      netlink_unicast+0x449/0x710
[ 1274.514769][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1274.514769][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1274.514769][   T10]      ___sys_sendmsg+0xee/0x170
[ 1274.514769][   T10]      __sys_sendmsg+0xcd/0x170
[ 1274.514769][   T10]      do_syscall_64+0xc6/0x1e0
[ 1274.514769][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1274.514769][   T10] 
[ 1274.516792][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1274.516792][   T10]      netdev_get_by_index+0x5e/0x80
[ 1274.516792][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1274.516792][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1274.516792][   T10]      ip6_route_add+0x1c/0x140
[ 1274.516792][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1274.516792][   T10]      addrconf_add_dev+0xe2/0x170
[ 1274.516792][   T10]      inet6_addr_add+0x12f/0xa40
[ 1274.516792][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1274.516792][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1274.516792][   T10]      netlink_rcv_skb+0x130/0x360
[ 1274.516792][   T10]      netlink_unicast+0x449/0x710
[ 1274.516792][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1274.516792][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1274.516792][   T10]      ___sys_sendmsg+0xee/0x170
[ 1274.516792][   T10]      __sys_sendmsg+0xcd/0x170
[ 1274.516792][   T10]      do_syscall_64+0xc6/0x1e0
[ 1274.516792][   T10] 
[ 1274.518874][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1274.518874][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1274.518874][   T10]      ipv6_find_idev+0x102/0x170
[ 1274.518874][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1274.518874][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1274.518874][   T10]      netlink_rcv_skb+0x130/0x360
[ 1274.518874][   T10]      netlink_unicast+0x449/0x710
[ 1274.518874][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1274.518874][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1274.518874][   T10]      ___sys_sendmsg+0xee/0x170
[ 1274.518874][   T10]      __sys_sendmsg+0xcd/0x170
[ 1274.518874][   T10]      do_syscall_64+0xc6/0x1e0
[ 1274.518874][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1274.518874][   T10] 
[ 1274.520437][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1274.520437][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1274.520437][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1274.520437][   T10]      ipv6_find_idev+0x102/0x170
[ 1274.520437][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1274.520437][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1274.520437][   T10]      netlink_rcv_skb+0x130/0x360
[ 1274.520437][   T10]      netlink_unicast+0x449/0x710
[ 1274.520437][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1274.520437][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1274.520437][   T10]      ___sys_sendmsg+0xee/0x170
[ 1274.520437][   T10]      __sys_sendmsg+0xcd/0x170
[ 1274.520437][   T10]      do_syscall_64+0xc6/0x1e0
[ 1274.520437][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1274.520437][   T10] 
[ 1284.728690][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1284.729107][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1284.729107][   T10]      netdev_get_by_index+0x5e/0x80
[ 1284.729107][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1284.729107][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1284.729107][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1284.729107][   T10]      ipv6_add_addr+0x411/0x2000
[ 1284.729107][   T10]      inet6_addr_add+0x30e/0xa40
[ 1284.729107][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1284.729107][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1284.729107][   T10]      netlink_rcv_skb+0x130/0x360
[ 1284.729107][   T10]      netlink_unicast+0x449/0x710
[ 1284.729107][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1284.729107][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1284.729107][   T10]      ___sys_sendmsg+0xee/0x170
[ 1284.729107][   T10]      __sys_sendmsg+0xcd/0x170
[ 1284.729107][   T10]      do_syscall_64+0xc6/0x1e0
[ 1284.729107][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1284.729107][   T10] 
[ 1284.731390][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1284.731390][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1284.731390][   T10]      ipv6_find_idev+0x102/0x170
[ 1284.731390][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1284.731390][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1284.731390][   T10]      netlink_rcv_skb+0x130/0x360
[ 1284.731390][   T10]      netlink_unicast+0x449/0x710
[ 1284.731390][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1284.731390][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1284.731390][   T10]      ___sys_sendmsg+0xee/0x170
[ 1284.731390][   T10]      __sys_sendmsg+0xcd/0x170
[ 1284.731390][   T10]      do_syscall_64+0xc6/0x1e0
[ 1284.731390][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1284.731390][   T10] 
[ 1284.733140][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1284.733140][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1284.733140][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1284.733140][   T10]      ipv6_find_idev+0x102/0x170
[ 1284.733140][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1284.733140][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1284.733140][   T10]      netlink_rcv_skb+0x130/0x360
[ 1284.733140][   T10]      netlink_unicast+0x449/0x710
[ 1284.733140][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1284.733140][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1284.733140][   T10]      ___sys_sendmsg+0xee/0x170
[ 1284.733140][   T10]      __sys_sendmsg+0xcd/0x170
[ 1284.733140][   T10]      do_syscall_64+0xc6/0x1e0
[ 1284.733140][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1284.733140][   T10] 
[ 1284.735086][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1284.735365][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1284.735365][   T10]      netdev_get_by_index+0x5e/0x80
[ 1284.735365][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1284.735365][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1284.735365][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1284.735365][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1284.735365][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1284.735365][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1284.735365][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1284.735365][   T10]      addrconf_dad_begin+0x310/0x670
[ 1284.735365][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1284.735365][   T10]      process_one_work+0x84d/0x18a0
[ 1284.735365][   T10]      worker_thread+0x587/0xd30
[ 1284.735365][   T10]      kthread+0x28a/0x350
[ 1284.735365][   T10]      ret_from_fork+0x31/0x70
[ 1284.735365][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1284.735365][   T10] 
[ 1284.737506][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1284.737506][   T10]      netdev_get_by_index+0x5e/0x80
[ 1284.737506][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1284.737506][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1284.737506][   T10]      ip6_route_add+0x1c/0x140
[ 1284.737506][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1284.737506][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1284.737506][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1284.737506][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1284.737506][   T10]      netlink_rcv_skb+0x130/0x360
[ 1284.737506][   T10]      netlink_unicast+0x449/0x710
[ 1284.737506][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1284.737506][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1284.737506][   T10]      ___sys_sendmsg+0xee/0x170
[ 1284.737506][   T10]      __sys_sendmsg+0xcd/0x170
[ 1284.737506][   T10]      do_syscall_64+0xc6/0x1e0
[ 1284.737506][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1284.737506][   T10] 
[ 1284.739792][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1284.739792][   T10]      netdev_get_by_index+0x5e/0x80
[ 1284.739792][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1284.739792][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1284.739792][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1284.739792][   T10]      ipv6_add_addr+0x411/0x2000
[ 1284.739792][   T10]      inet6_addr_add+0x30e/0xa40
[ 1284.739792][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1284.739792][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1284.739792][   T10]      netlink_rcv_skb+0x130/0x360
[ 1284.739792][   T10]      netlink_unicast+0x449/0x710
[ 1284.739792][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1284.739792][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1284.739792][   T10]      ___sys_sendmsg+0xee/0x170
[ 1284.739792][   T10]      __sys_sendmsg+0xcd/0x170
[ 1284.739792][   T10]      do_syscall_64+0xc6/0x1e0
[ 1284.739792][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1284.739792][   T10] 
[ 1284.742054][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1284.742054][   T10]      netdev_get_by_index+0x5e/0x80
[ 1284.742054][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1284.742054][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1284.742054][   T10]      ip6_route_add+0x1c/0x140
[ 1284.742054][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1284.742054][   T10]      addrconf_add_dev+0xe2/0x170
[ 1284.742054][   T10]      inet6_addr_add+0x12f/0xa40
[ 1284.742054][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1284.742054][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1284.742054][   T10]      netlink_rcv_skb+0x130/0x360
[ 1284.742054][   T10]      netlink_unicast+0x449/0x710
[ 1284.742054][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1284.742054][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1284.742054][   T10]      ___sys_sendmsg+0xee/0x170
[ 1284.742054][   T10]      __sys_sendmsg+0xcd/0x170
[ 1284.742054][   T10]      do_syscall_64+0xc6/0x1e0
[ 1284.742054][   T10] 
[ 1284.744286][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1284.744286][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1284.744286][   T10]      ipv6_find_idev+0x102/0x170
[ 1284.744286][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1284.744286][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1284.744286][   T10]      netlink_rcv_skb+0x130/0x360
[ 1284.744286][   T10]      netlink_unicast+0x449/0x710
[ 1284.744286][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1284.744286][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1284.744286][   T10]      ___sys_sendmsg+0xee/0x170
[ 1284.744286][   T10]      __sys_sendmsg+0xcd/0x170
[ 1284.744286][   T10]      do_syscall_64+0xc6/0x1e0
[ 1284.744286][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1284.744286][   T10] 
[ 1284.746038][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1284.746038][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1284.746038][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1284.746038][   T10]      ipv6_find_idev+0x102/0x170
[ 1284.746038][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1284.746038][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1284.746038][   T10]      netlink_rcv_skb+0x130/0x360
[ 1284.746038][   T10]      netlink_unicast+0x449/0x710
[ 1284.746038][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1284.746038][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1284.746038][   T10]      ___sys_sendmsg+0xee/0x170
[ 1284.746038][   T10]      __sys_sendmsg+0xcd/0x170
[ 1284.746038][   T10]      do_syscall_64+0xc6/0x1e0
[ 1284.746038][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1284.746038][   T10] 
[ 1294.888740][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1294.889213][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1294.889213][   T10]      netdev_get_by_index+0x5e/0x80
[ 1294.889213][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1294.889213][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1294.889213][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1294.889213][   T10]      ipv6_add_addr+0x411/0x2000
[ 1294.889213][   T10]      inet6_addr_add+0x30e/0xa40
[ 1294.889213][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1294.889213][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1294.889213][   T10]      netlink_rcv_skb+0x130/0x360
[ 1294.889213][   T10]      netlink_unicast+0x449/0x710
[ 1294.889213][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1294.889213][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1294.889213][   T10]      ___sys_sendmsg+0xee/0x170
[ 1294.889213][   T10]      __sys_sendmsg+0xcd/0x170
[ 1294.889213][   T10]      do_syscall_64+0xc6/0x1e0
[ 1294.889213][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1294.889213][   T10] 
[ 1294.891502][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1294.891502][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1294.891502][   T10]      ipv6_find_idev+0x102/0x170
[ 1294.891502][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1294.891502][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1294.891502][   T10]      netlink_rcv_skb+0x130/0x360
[ 1294.891502][   T10]      netlink_unicast+0x449/0x710
[ 1294.891502][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1294.891502][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1294.891502][   T10]      ___sys_sendmsg+0xee/0x170
[ 1294.891502][   T10]      __sys_sendmsg+0xcd/0x170
[ 1294.891502][   T10]      do_syscall_64+0xc6/0x1e0
[ 1294.891502][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1294.891502][   T10] 
[ 1294.893263][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1294.893263][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1294.893263][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1294.893263][   T10]      ipv6_find_idev+0x102/0x170
[ 1294.893263][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1294.893263][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1294.893263][   T10]      netlink_rcv_skb+0x130/0x360
[ 1294.893263][   T10]      netlink_unicast+0x449/0x710
[ 1294.893263][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1294.893263][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1294.893263][   T10]      ___sys_sendmsg+0xee/0x170
[ 1294.893263][   T10]      __sys_sendmsg+0xcd/0x170
[ 1294.893263][   T10]      do_syscall_64+0xc6/0x1e0
[ 1294.893263][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1294.893263][   T10] 
[ 1294.895184][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1294.895461][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1294.895461][   T10]      netdev_get_by_index+0x5e/0x80
[ 1294.895461][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1294.895461][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1294.895461][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1294.895461][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1294.895461][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1294.895461][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1294.895461][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1294.895461][   T10]      addrconf_dad_begin+0x310/0x670
[ 1294.895461][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1294.895461][   T10]      process_one_work+0x84d/0x18a0
[ 1294.895461][   T10]      worker_thread+0x587/0xd30
[ 1294.895461][   T10]      kthread+0x28a/0x350
[ 1294.895461][   T10]      ret_from_fork+0x31/0x70
[ 1294.895461][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1294.895461][   T10] 
[ 1294.897769][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1294.897769][   T10]      netdev_get_by_index+0x5e/0x80
[ 1294.897769][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1294.897769][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1294.897769][   T10]      ip6_route_add+0x1c/0x140
[ 1294.897769][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1294.897769][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1294.897769][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1294.897769][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1294.897769][   T10]      netlink_rcv_skb+0x130/0x360
[ 1294.897769][   T10]      netlink_unicast+0x449/0x710
[ 1294.897769][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1294.897769][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1294.897769][   T10]      ___sys_sendmsg+0xee/0x170
[ 1294.897769][   T10]      __sys_sendmsg+0xcd/0x170
[ 1294.897769][   T10]      do_syscall_64+0xc6/0x1e0
[ 1294.897769][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1294.897769][   T10] 
[ 1294.900049][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1294.900049][   T10]      netdev_get_by_index+0x5e/0x80
[ 1294.900049][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1294.900049][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1294.900049][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1294.900049][   T10]      ipv6_add_addr+0x411/0x2000
[ 1294.900049][   T10]      inet6_addr_add+0x30e/0xa40
[ 1294.900049][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1294.900049][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1294.900049][   T10]      netlink_rcv_skb+0x130/0x360
[ 1294.900049][   T10]      netlink_unicast+0x449/0x710
[ 1294.900049][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1294.900049][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1294.900049][   T10]      ___sys_sendmsg+0xee/0x170
[ 1294.900049][   T10]      __sys_sendmsg+0xcd/0x170
[ 1294.900049][   T10]      do_syscall_64+0xc6/0x1e0
[ 1294.900049][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1294.900049][   T10] 
[ 1294.902321][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1294.902321][   T10]      netdev_get_by_index+0x5e/0x80
[ 1294.902321][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1294.902321][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1294.902321][   T10]      ip6_route_add+0x1c/0x140
[ 1294.902321][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1294.902321][   T10]      addrconf_add_dev+0xe2/0x170
[ 1294.902321][   T10]      inet6_addr_add+0x12f/0xa40
[ 1294.902321][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1294.902321][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1294.902321][   T10]      netlink_rcv_skb+0x130/0x360
[ 1294.902321][   T10]      netlink_unicast+0x449/0x710
[ 1294.902321][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1294.902321][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1294.902321][   T10]      ___sys_sendmsg+0xee/0x170
[ 1294.902321][   T10]      __sys_sendmsg+0xcd/0x170
[ 1294.902321][   T10]      do_syscall_64+0xc6/0x1e0
[ 1294.902321][   T10] 
[ 1294.904573][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1294.904573][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1294.904573][   T10]      ipv6_find_idev+0x102/0x170
[ 1294.904573][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1294.904573][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1294.904573][   T10]      netlink_rcv_skb+0x130/0x360
[ 1294.904573][   T10]      netlink_unicast+0x449/0x710
[ 1294.904573][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1294.904573][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1294.904573][   T10]      ___sys_sendmsg+0xee/0x170
[ 1294.904573][   T10]      __sys_sendmsg+0xcd/0x170
[ 1294.904573][   T10]      do_syscall_64+0xc6/0x1e0
[ 1294.904573][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1294.904573][   T10] 
[ 1294.906336][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1294.906336][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1294.906336][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1294.906336][   T10]      ipv6_find_idev+0x102/0x170
[ 1294.906336][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1294.906336][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1294.906336][   T10]      netlink_rcv_skb+0x130/0x360
[ 1294.906336][   T10]      netlink_unicast+0x449/0x710
[ 1294.906336][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1294.906336][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1294.906336][   T10]      ___sys_sendmsg+0xee/0x170
[ 1294.906336][   T10]      __sys_sendmsg+0xcd/0x170
[ 1294.906336][   T10]      do_syscall_64+0xc6/0x1e0
[ 1294.906336][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1294.906336][   T10] 
[ 1305.144700][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1305.145149][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1305.145149][   T10]      netdev_get_by_index+0x5e/0x80
[ 1305.145149][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1305.145149][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1305.145149][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1305.145149][   T10]      ipv6_add_addr+0x411/0x2000
[ 1305.145149][   T10]      inet6_addr_add+0x30e/0xa40
[ 1305.145149][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1305.145149][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1305.145149][   T10]      netlink_rcv_skb+0x130/0x360
[ 1305.145149][   T10]      netlink_unicast+0x449/0x710
[ 1305.145149][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1305.145149][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1305.145149][   T10]      ___sys_sendmsg+0xee/0x170
[ 1305.145149][   T10]      __sys_sendmsg+0xcd/0x170
[ 1305.145149][   T10]      do_syscall_64+0xc6/0x1e0
[ 1305.145149][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1305.145149][   T10] 
[ 1305.147528][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1305.147528][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1305.147528][   T10]      ipv6_find_idev+0x102/0x170
[ 1305.147528][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1305.147528][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1305.147528][   T10]      netlink_rcv_skb+0x130/0x360
[ 1305.147528][   T10]      netlink_unicast+0x449/0x710
[ 1305.147528][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1305.147528][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1305.147528][   T10]      ___sys_sendmsg+0xee/0x170
[ 1305.147528][   T10]      __sys_sendmsg+0xcd/0x170
[ 1305.147528][   T10]      do_syscall_64+0xc6/0x1e0
[ 1305.147528][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1305.147528][   T10] 
[ 1305.149279][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1305.149279][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1305.149279][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1305.149279][   T10]      ipv6_find_idev+0x102/0x170
[ 1305.149279][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1305.149279][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1305.149279][   T10]      netlink_rcv_skb+0x130/0x360
[ 1305.149279][   T10]      netlink_unicast+0x449/0x710
[ 1305.149279][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1305.149279][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1305.149279][   T10]      ___sys_sendmsg+0xee/0x170
[ 1305.149279][   T10]      __sys_sendmsg+0xcd/0x170
[ 1305.149279][   T10]      do_syscall_64+0xc6/0x1e0
[ 1305.149279][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1305.149279][   T10] 
[ 1305.151212][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1305.151492][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1305.151492][   T10]      netdev_get_by_index+0x5e/0x80
[ 1305.151492][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1305.151492][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1305.151492][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1305.151492][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1305.151492][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1305.151492][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1305.151492][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1305.151492][   T10]      addrconf_dad_begin+0x310/0x670
[ 1305.151492][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1305.151492][   T10]      process_one_work+0x84d/0x18a0
[ 1305.151492][   T10]      worker_thread+0x587/0xd30
[ 1305.151492][   T10]      kthread+0x28a/0x350
[ 1305.151492][   T10]      ret_from_fork+0x31/0x70
[ 1305.151492][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1305.151492][   T10] 
[ 1305.153643][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1305.153643][   T10]      netdev_get_by_index+0x5e/0x80
[ 1305.153643][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1305.153643][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1305.153643][   T10]      ip6_route_add+0x1c/0x140
[ 1305.153643][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1305.153643][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1305.153643][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1305.153643][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1305.153643][   T10]      netlink_rcv_skb+0x130/0x360
[ 1305.153643][   T10]      netlink_unicast+0x449/0x710
[ 1305.153643][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1305.153643][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1305.153643][   T10]      ___sys_sendmsg+0xee/0x170
[ 1305.153643][   T10]      __sys_sendmsg+0xcd/0x170
[ 1305.153643][   T10]      do_syscall_64+0xc6/0x1e0
[ 1305.153643][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1305.153643][   T10] 
[ 1305.155941][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1305.155941][   T10]      netdev_get_by_index+0x5e/0x80
[ 1305.155941][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1305.155941][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1305.155941][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1305.155941][   T10]      ipv6_add_addr+0x411/0x2000
[ 1305.155941][   T10]      inet6_addr_add+0x30e/0xa40
[ 1305.155941][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1305.155941][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1305.155941][   T10]      netlink_rcv_skb+0x130/0x360
[ 1305.155941][   T10]      netlink_unicast+0x449/0x710
[ 1305.155941][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1305.155941][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1305.155941][   T10]      ___sys_sendmsg+0xee/0x170
[ 1305.155941][   T10]      __sys_sendmsg+0xcd/0x170
[ 1305.155941][   T10]      do_syscall_64+0xc6/0x1e0
[ 1305.155941][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1305.155941][   T10] 
[ 1305.158226][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1305.158226][   T10]      netdev_get_by_index+0x5e/0x80
[ 1305.158226][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1305.158226][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1305.158226][   T10]      ip6_route_add+0x1c/0x140
[ 1305.158226][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1305.158226][   T10]      addrconf_add_dev+0xe2/0x170
[ 1305.158226][   T10]      inet6_addr_add+0x12f/0xa40
[ 1305.158226][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1305.158226][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1305.158226][   T10]      netlink_rcv_skb+0x130/0x360
[ 1305.158226][   T10]      netlink_unicast+0x449/0x710
[ 1305.158226][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1305.158226][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1305.158226][   T10]      ___sys_sendmsg+0xee/0x170
[ 1305.158226][   T10]      __sys_sendmsg+0xcd/0x170
[ 1305.158226][   T10]      do_syscall_64+0xc6/0x1e0
[ 1305.158226][   T10] 
[ 1305.160462][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1305.160462][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1305.160462][   T10]      ipv6_find_idev+0x102/0x170
[ 1305.160462][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1305.160462][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1305.160462][   T10]      netlink_rcv_skb+0x130/0x360
[ 1305.160462][   T10]      netlink_unicast+0x449/0x710
[ 1305.160462][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1305.160462][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1305.160462][   T10]      ___sys_sendmsg+0xee/0x170
[ 1305.160462][   T10]      __sys_sendmsg+0xcd/0x170
[ 1305.160462][   T10]      do_syscall_64+0xc6/0x1e0
[ 1305.160462][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1305.160462][   T10] 
[ 1305.162209][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1305.162209][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1305.162209][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1305.162209][   T10]      ipv6_find_idev+0x102/0x170
[ 1305.162209][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1305.162209][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1305.162209][   T10]      netlink_rcv_skb+0x130/0x360
[ 1305.162209][   T10]      netlink_unicast+0x449/0x710
[ 1305.162209][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1305.162209][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1305.162209][   T10]      ___sys_sendmsg+0xee/0x170
[ 1305.162209][   T10]      __sys_sendmsg+0xcd/0x170
[ 1305.162209][   T10]      do_syscall_64+0xc6/0x1e0
[ 1305.162209][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1305.162209][   T10] 
[ 1315.400743][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1315.401146][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1315.401146][   T10]      netdev_get_by_index+0x5e/0x80
[ 1315.401146][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1315.401146][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1315.401146][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1315.401146][   T10]      ipv6_add_addr+0x411/0x2000
[ 1315.401146][   T10]      inet6_addr_add+0x30e/0xa40
[ 1315.401146][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1315.401146][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1315.401146][   T10]      netlink_rcv_skb+0x130/0x360
[ 1315.401146][   T10]      netlink_unicast+0x449/0x710
[ 1315.401146][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1315.401146][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1315.401146][   T10]      ___sys_sendmsg+0xee/0x170
[ 1315.401146][   T10]      __sys_sendmsg+0xcd/0x170
[ 1315.401146][   T10]      do_syscall_64+0xc6/0x1e0
[ 1315.401146][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1315.401146][   T10] 
[ 1315.403460][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1315.403460][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1315.403460][   T10]      ipv6_find_idev+0x102/0x170
[ 1315.403460][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1315.403460][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1315.403460][   T10]      netlink_rcv_skb+0x130/0x360
[ 1315.403460][   T10]      netlink_unicast+0x449/0x710
[ 1315.403460][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1315.403460][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1315.403460][   T10]      ___sys_sendmsg+0xee/0x170
[ 1315.403460][   T10]      __sys_sendmsg+0xcd/0x170
[ 1315.403460][   T10]      do_syscall_64+0xc6/0x1e0
[ 1315.403460][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1315.403460][   T10] 
[ 1315.405223][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1315.405223][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1315.405223][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1315.405223][   T10]      ipv6_find_idev+0x102/0x170
[ 1315.405223][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1315.405223][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1315.405223][   T10]      netlink_rcv_skb+0x130/0x360
[ 1315.405223][   T10]      netlink_unicast+0x449/0x710
[ 1315.405223][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1315.405223][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1315.405223][   T10]      ___sys_sendmsg+0xee/0x170
[ 1315.405223][   T10]      __sys_sendmsg+0xcd/0x170
[ 1315.405223][   T10]      do_syscall_64+0xc6/0x1e0
[ 1315.405223][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1315.405223][   T10] 
[ 1315.407192][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1315.407467][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1315.407467][   T10]      netdev_get_by_index+0x5e/0x80
[ 1315.407467][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1315.407467][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1315.407467][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1315.407467][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1315.407467][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1315.407467][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1315.407467][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1315.407467][   T10]      addrconf_dad_begin+0x310/0x670
[ 1315.407467][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1315.407467][   T10]      process_one_work+0x84d/0x18a0
[ 1315.407467][   T10]      worker_thread+0x587/0xd30
[ 1315.407467][   T10]      kthread+0x28a/0x350
[ 1315.407467][   T10]      ret_from_fork+0x31/0x70
[ 1315.407467][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1315.407467][   T10] 
[ 1315.409610][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1315.409610][   T10]      netdev_get_by_index+0x5e/0x80
[ 1315.409610][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1315.409610][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1315.409610][   T10]      ip6_route_add+0x1c/0x140
[ 1315.409610][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1315.409610][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1315.409610][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1315.409610][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1315.409610][   T10]      netlink_rcv_skb+0x130/0x360
[ 1315.409610][   T10]      netlink_unicast+0x449/0x710
[ 1315.409610][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1315.409610][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1315.409610][   T10]      ___sys_sendmsg+0xee/0x170
[ 1315.409610][   T10]      __sys_sendmsg+0xcd/0x170
[ 1315.409610][   T10]      do_syscall_64+0xc6/0x1e0
[ 1315.409610][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1315.409610][   T10] 
[ 1315.411878][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1315.411878][   T10]      netdev_get_by_index+0x5e/0x80
[ 1315.411878][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1315.411878][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1315.411878][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1315.411878][   T10]      ipv6_add_addr+0x411/0x2000
[ 1315.411878][   T10]      inet6_addr_add+0x30e/0xa40
[ 1315.411878][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1315.411878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1315.411878][   T10]      netlink_rcv_skb+0x130/0x360
[ 1315.411878][   T10]      netlink_unicast+0x449/0x710
[ 1315.411878][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1315.411878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1315.411878][   T10]      ___sys_sendmsg+0xee/0x170
[ 1315.411878][   T10]      __sys_sendmsg+0xcd/0x170
[ 1315.411878][   T10]      do_syscall_64+0xc6/0x1e0
[ 1315.411878][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1315.411878][   T10] 
[ 1315.414167][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1315.414167][   T10]      netdev_get_by_index+0x5e/0x80
[ 1315.414167][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1315.414167][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1315.414167][   T10]      ip6_route_add+0x1c/0x140
[ 1315.414167][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1315.414167][   T10]      addrconf_add_dev+0xe2/0x170
[ 1315.414167][   T10]      inet6_addr_add+0x12f/0xa40
[ 1315.414167][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1315.414167][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1315.414167][   T10]      netlink_rcv_skb+0x130/0x360
[ 1315.414167][   T10]      netlink_unicast+0x449/0x710
[ 1315.414167][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1315.414167][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1315.414167][   T10]      ___sys_sendmsg+0xee/0x170
[ 1315.414167][   T10]      __sys_sendmsg+0xcd/0x170
[ 1315.414167][   T10]      do_syscall_64+0xc6/0x1e0
[ 1315.414167][   T10] 
[ 1315.416421][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1315.416421][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1315.416421][   T10]      ipv6_find_idev+0x102/0x170
[ 1315.416421][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1315.416421][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1315.416421][   T10]      netlink_rcv_skb+0x130/0x360
[ 1315.416421][   T10]      netlink_unicast+0x449/0x710
[ 1315.416421][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1315.416421][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1315.416421][   T10]      ___sys_sendmsg+0xee/0x170
[ 1315.416421][   T10]      __sys_sendmsg+0xcd/0x170
[ 1315.416421][   T10]      do_syscall_64+0xc6/0x1e0
[ 1315.416421][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1315.416421][   T10] 
[ 1315.418195][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1315.418195][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1315.418195][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1315.418195][   T10]      ipv6_find_idev+0x102/0x170
[ 1315.418195][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1315.418195][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1315.418195][   T10]      netlink_rcv_skb+0x130/0x360
[ 1315.418195][   T10]      netlink_unicast+0x449/0x710
[ 1315.418195][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1315.418195][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1315.418195][   T10]      ___sys_sendmsg+0xee/0x170
[ 1315.418195][   T10]      __sys_sendmsg+0xcd/0x170
[ 1315.418195][   T10]      do_syscall_64+0xc6/0x1e0
[ 1315.418195][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1315.418195][   T10] 
[ 1325.656758][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1325.657159][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1325.657159][   T10]      netdev_get_by_index+0x5e/0x80
[ 1325.657159][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1325.657159][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1325.657159][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1325.657159][   T10]      ipv6_add_addr+0x411/0x2000
[ 1325.657159][   T10]      inet6_addr_add+0x30e/0xa40
[ 1325.657159][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1325.657159][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1325.657159][   T10]      netlink_rcv_skb+0x130/0x360
[ 1325.657159][   T10]      netlink_unicast+0x449/0x710
[ 1325.657159][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1325.657159][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1325.657159][   T10]      ___sys_sendmsg+0xee/0x170
[ 1325.657159][   T10]      __sys_sendmsg+0xcd/0x170
[ 1325.657159][   T10]      do_syscall_64+0xc6/0x1e0
[ 1325.657159][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1325.657159][   T10] 
[ 1325.659464][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1325.659464][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1325.659464][   T10]      ipv6_find_idev+0x102/0x170
[ 1325.659464][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1325.659464][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1325.659464][   T10]      netlink_rcv_skb+0x130/0x360
[ 1325.659464][   T10]      netlink_unicast+0x449/0x710
[ 1325.659464][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1325.659464][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1325.659464][   T10]      ___sys_sendmsg+0xee/0x170
[ 1325.659464][   T10]      __sys_sendmsg+0xcd/0x170
[ 1325.659464][   T10]      do_syscall_64+0xc6/0x1e0
[ 1325.659464][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1325.659464][   T10] 
[ 1325.661229][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1325.661229][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1325.661229][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1325.661229][   T10]      ipv6_find_idev+0x102/0x170
[ 1325.661229][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1325.661229][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1325.661229][   T10]      netlink_rcv_skb+0x130/0x360
[ 1325.661229][   T10]      netlink_unicast+0x449/0x710
[ 1325.661229][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1325.661229][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1325.661229][   T10]      ___sys_sendmsg+0xee/0x170
[ 1325.661229][   T10]      __sys_sendmsg+0xcd/0x170
[ 1325.661229][   T10]      do_syscall_64+0xc6/0x1e0
[ 1325.661229][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1325.661229][   T10] 
[ 1325.663171][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1325.663453][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1325.663453][   T10]      netdev_get_by_index+0x5e/0x80
[ 1325.663453][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1325.663453][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1325.663453][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1325.663453][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1325.663453][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1325.663453][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1325.663453][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1325.663453][   T10]      addrconf_dad_begin+0x310/0x670
[ 1325.663453][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1325.663453][   T10]      process_one_work+0x84d/0x18a0
[ 1325.663453][   T10]      worker_thread+0x587/0xd30
[ 1325.663453][   T10]      kthread+0x28a/0x350
[ 1325.663453][   T10]      ret_from_fork+0x31/0x70
[ 1325.663453][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1325.663453][   T10] 
[ 1325.665586][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1325.665586][   T10]      netdev_get_by_index+0x5e/0x80
[ 1325.665586][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1325.665586][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1325.665586][   T10]      ip6_route_add+0x1c/0x140
[ 1325.665586][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1325.665586][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1325.665586][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1325.665586][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1325.665586][   T10]      netlink_rcv_skb+0x130/0x360
[ 1325.665586][   T10]      netlink_unicast+0x449/0x710
[ 1325.665586][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1325.665586][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1325.665586][   T10]      ___sys_sendmsg+0xee/0x170
[ 1325.665586][   T10]      __sys_sendmsg+0xcd/0x170
[ 1325.665586][   T10]      do_syscall_64+0xc6/0x1e0
[ 1325.665586][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1325.665586][   T10] 
[ 1325.667913][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1325.667913][   T10]      netdev_get_by_index+0x5e/0x80
[ 1325.667913][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1325.667913][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1325.667913][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1325.667913][   T10]      ipv6_add_addr+0x411/0x2000
[ 1325.667913][   T10]      inet6_addr_add+0x30e/0xa40
[ 1325.667913][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1325.667913][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1325.667913][   T10]      netlink_rcv_skb+0x130/0x360
[ 1325.667913][   T10]      netlink_unicast+0x449/0x710
[ 1325.667913][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1325.667913][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1325.667913][   T10]      ___sys_sendmsg+0xee/0x170
[ 1325.667913][   T10]      __sys_sendmsg+0xcd/0x170
[ 1325.667913][   T10]      do_syscall_64+0xc6/0x1e0
[ 1325.667913][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1325.667913][   T10] 
[ 1325.670213][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1325.670213][   T10]      netdev_get_by_index+0x5e/0x80
[ 1325.670213][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1325.670213][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1325.670213][   T10]      ip6_route_add+0x1c/0x140
[ 1325.670213][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1325.670213][   T10]      addrconf_add_dev+0xe2/0x170
[ 1325.670213][   T10]      inet6_addr_add+0x12f/0xa40
[ 1325.670213][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1325.670213][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1325.670213][   T10]      netlink_rcv_skb+0x130/0x360
[ 1325.670213][   T10]      netlink_unicast+0x449/0x710
[ 1325.670213][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1325.670213][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1325.670213][   T10]      ___sys_sendmsg+0xee/0x170
[ 1325.670213][   T10]      __sys_sendmsg+0xcd/0x170
[ 1325.670213][   T10]      do_syscall_64+0xc6/0x1e0
[ 1325.670213][   T10] 
[ 1325.672456][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1325.672456][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1325.672456][   T10]      ipv6_find_idev+0x102/0x170
[ 1325.672456][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1325.672456][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1325.672456][   T10]      netlink_rcv_skb+0x130/0x360
[ 1325.672456][   T10]      netlink_unicast+0x449/0x710
[ 1325.672456][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1325.672456][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1325.672456][   T10]      ___sys_sendmsg+0xee/0x170
[ 1325.672456][   T10]      __sys_sendmsg+0xcd/0x170
[ 1325.672456][   T10]      do_syscall_64+0xc6/0x1e0
[ 1325.672456][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1325.672456][   T10] 
[ 1325.674210][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1325.674210][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1325.674210][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1325.674210][   T10]      ipv6_find_idev+0x102/0x170
[ 1325.674210][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1325.674210][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1325.674210][   T10]      netlink_rcv_skb+0x130/0x360
[ 1325.674210][   T10]      netlink_unicast+0x449/0x710
[ 1325.674210][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1325.674210][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1325.674210][   T10]      ___sys_sendmsg+0xee/0x170
[ 1325.674210][   T10]      __sys_sendmsg+0xcd/0x170
[ 1325.674210][   T10]      do_syscall_64+0xc6/0x1e0
[ 1325.674210][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1325.674210][   T10] 
[ 1335.912756][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1335.913216][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1335.913216][   T10]      netdev_get_by_index+0x5e/0x80
[ 1335.913216][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1335.913216][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1335.913216][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1335.913216][   T10]      ipv6_add_addr+0x411/0x2000
[ 1335.913216][   T10]      inet6_addr_add+0x30e/0xa40
[ 1335.913216][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1335.913216][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1335.913216][   T10]      netlink_rcv_skb+0x130/0x360
[ 1335.913216][   T10]      netlink_unicast+0x449/0x710
[ 1335.913216][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1335.913216][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1335.913216][   T10]      ___sys_sendmsg+0xee/0x170
[ 1335.913216][   T10]      __sys_sendmsg+0xcd/0x170
[ 1335.913216][   T10]      do_syscall_64+0xc6/0x1e0
[ 1335.913216][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1335.913216][   T10] 
[ 1335.915514][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1335.915514][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1335.915514][   T10]      ipv6_find_idev+0x102/0x170
[ 1335.915514][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1335.915514][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1335.915514][   T10]      netlink_rcv_skb+0x130/0x360
[ 1335.915514][   T10]      netlink_unicast+0x449/0x710
[ 1335.915514][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1335.915514][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1335.915514][   T10]      ___sys_sendmsg+0xee/0x170
[ 1335.915514][   T10]      __sys_sendmsg+0xcd/0x170
[ 1335.915514][   T10]      do_syscall_64+0xc6/0x1e0
[ 1335.915514][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1335.915514][   T10] 
[ 1335.917336][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1335.917336][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1335.917336][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1335.917336][   T10]      ipv6_find_idev+0x102/0x170
[ 1335.917336][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1335.917336][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1335.917336][   T10]      netlink_rcv_skb+0x130/0x360
[ 1335.917336][   T10]      netlink_unicast+0x449/0x710
[ 1335.917336][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1335.917336][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1335.917336][   T10]      ___sys_sendmsg+0xee/0x170
[ 1335.917336][   T10]      __sys_sendmsg+0xcd/0x170
[ 1335.917336][   T10]      do_syscall_64+0xc6/0x1e0
[ 1335.917336][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1335.917336][   T10] 
[ 1335.919267][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1335.919544][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1335.919544][   T10]      netdev_get_by_index+0x5e/0x80
[ 1335.919544][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1335.919544][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1335.919544][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1335.919544][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1335.919544][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1335.919544][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1335.919544][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1335.919544][   T10]      addrconf_dad_begin+0x310/0x670
[ 1335.919544][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1335.919544][   T10]      process_one_work+0x84d/0x18a0
[ 1335.919544][   T10]      worker_thread+0x587/0xd30
[ 1335.919544][   T10]      kthread+0x28a/0x350
[ 1335.919544][   T10]      ret_from_fork+0x31/0x70
[ 1335.919544][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1335.919544][   T10] 
[ 1335.921684][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1335.921684][   T10]      netdev_get_by_index+0x5e/0x80
[ 1335.921684][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1335.921684][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1335.921684][   T10]      ip6_route_add+0x1c/0x140
[ 1335.921684][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1335.921684][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1335.921684][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1335.921684][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1335.921684][   T10]      netlink_rcv_skb+0x130/0x360
[ 1335.921684][   T10]      netlink_unicast+0x449/0x710
[ 1335.921684][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1335.921684][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1335.921684][   T10]      ___sys_sendmsg+0xee/0x170
[ 1335.921684][   T10]      __sys_sendmsg+0xcd/0x170
[ 1335.921684][   T10]      do_syscall_64+0xc6/0x1e0
[ 1335.921684][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1335.921684][   T10] 
[ 1335.923964][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1335.923964][   T10]      netdev_get_by_index+0x5e/0x80
[ 1335.923964][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1335.923964][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1335.923964][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1335.923964][   T10]      ipv6_add_addr+0x411/0x2000
[ 1335.923964][   T10]      inet6_addr_add+0x30e/0xa40
[ 1335.923964][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1335.923964][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1335.923964][   T10]      netlink_rcv_skb+0x130/0x360
[ 1335.923964][   T10]      netlink_unicast+0x449/0x710
[ 1335.923964][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1335.923964][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1335.923964][   T10]      ___sys_sendmsg+0xee/0x170
[ 1335.923964][   T10]      __sys_sendmsg+0xcd/0x170
[ 1335.923964][   T10]      do_syscall_64+0xc6/0x1e0
[ 1335.923964][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1335.923964][   T10] 
[ 1335.926250][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1335.926250][   T10]      netdev_get_by_index+0x5e/0x80
[ 1335.926250][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1335.926250][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1335.926250][   T10]      ip6_route_add+0x1c/0x140
[ 1335.926250][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1335.926250][   T10]      addrconf_add_dev+0xe2/0x170
[ 1335.926250][   T10]      inet6_addr_add+0x12f/0xa40
[ 1335.926250][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1335.926250][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1335.926250][   T10]      netlink_rcv_skb+0x130/0x360
[ 1335.926250][   T10]      netlink_unicast+0x449/0x710
[ 1335.926250][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1335.926250][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1335.926250][   T10]      ___sys_sendmsg+0xee/0x170
[ 1335.926250][   T10]      __sys_sendmsg+0xcd/0x170
[ 1335.926250][   T10]      do_syscall_64+0xc6/0x1e0
[ 1335.926250][   T10] 
[ 1335.928509][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1335.928509][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1335.928509][   T10]      ipv6_find_idev+0x102/0x170
[ 1335.928509][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1335.928509][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1335.928509][   T10]      netlink_rcv_skb+0x130/0x360
[ 1335.928509][   T10]      netlink_unicast+0x449/0x710
[ 1335.928509][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1335.928509][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1335.928509][   T10]      ___sys_sendmsg+0xee/0x170
[ 1335.928509][   T10]      __sys_sendmsg+0xcd/0x170
[ 1335.928509][   T10]      do_syscall_64+0xc6/0x1e0
[ 1335.928509][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1335.928509][   T10] 
[ 1335.930267][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1335.930267][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1335.930267][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1335.930267][   T10]      ipv6_find_idev+0x102/0x170
[ 1335.930267][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1335.930267][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1335.930267][   T10]      netlink_rcv_skb+0x130/0x360
[ 1335.930267][   T10]      netlink_unicast+0x449/0x710
[ 1335.930267][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1335.930267][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1335.930267][   T10]      ___sys_sendmsg+0xee/0x170
[ 1335.930267][   T10]      __sys_sendmsg+0xcd/0x170
[ 1335.930267][   T10]      do_syscall_64+0xc6/0x1e0
[ 1335.930267][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1335.930267][   T10] 
[ 1346.168749][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1346.169478][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1346.169478][   T10]      netdev_get_by_index+0x5e/0x80
[ 1346.169478][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1346.169478][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1346.169478][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1346.169478][   T10]      ipv6_add_addr+0x411/0x2000
[ 1346.169478][   T10]      inet6_addr_add+0x30e/0xa40
[ 1346.169478][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1346.169478][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1346.169478][   T10]      netlink_rcv_skb+0x130/0x360
[ 1346.169478][   T10]      netlink_unicast+0x449/0x710
[ 1346.169478][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1346.169478][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1346.169478][   T10]      ___sys_sendmsg+0xee/0x170
[ 1346.169478][   T10]      __sys_sendmsg+0xcd/0x170
[ 1346.169478][   T10]      do_syscall_64+0xc6/0x1e0
[ 1346.169478][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1346.169478][   T10] 
[ 1346.171784][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1346.171784][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1346.171784][   T10]      ipv6_find_idev+0x102/0x170
[ 1346.171784][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1346.171784][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1346.171784][   T10]      netlink_rcv_skb+0x130/0x360
[ 1346.171784][   T10]      netlink_unicast+0x449/0x710
[ 1346.171784][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1346.171784][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1346.171784][   T10]      ___sys_sendmsg+0xee/0x170
[ 1346.171784][   T10]      __sys_sendmsg+0xcd/0x170
[ 1346.171784][   T10]      do_syscall_64+0xc6/0x1e0
[ 1346.171784][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1346.171784][   T10] 
[ 1346.173537][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1346.173537][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1346.173537][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1346.173537][   T10]      ipv6_find_idev+0x102/0x170
[ 1346.173537][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1346.173537][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1346.173537][   T10]      netlink_rcv_skb+0x130/0x360
[ 1346.173537][   T10]      netlink_unicast+0x449/0x710
[ 1346.173537][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1346.173537][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1346.173537][   T10]      ___sys_sendmsg+0xee/0x170
[ 1346.173537][   T10]      __sys_sendmsg+0xcd/0x170
[ 1346.173537][   T10]      do_syscall_64+0xc6/0x1e0
[ 1346.173537][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1346.173537][   T10] 
[ 1346.175461][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1346.175764][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1346.175764][   T10]      netdev_get_by_index+0x5e/0x80
[ 1346.175764][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1346.175764][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1346.175764][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1346.175764][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1346.175764][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1346.175764][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1346.175764][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1346.175764][   T10]      addrconf_dad_begin+0x310/0x670
[ 1346.175764][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1346.175764][   T10]      process_one_work+0x84d/0x18a0
[ 1346.175764][   T10]      worker_thread+0x587/0xd30
[ 1346.175764][   T10]      kthread+0x28a/0x350
[ 1346.175764][   T10]      ret_from_fork+0x31/0x70
[ 1346.175764][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1346.175764][   T10] 
[ 1346.177959][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1346.177959][   T10]      netdev_get_by_index+0x5e/0x80
[ 1346.177959][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1346.177959][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1346.177959][   T10]      ip6_route_add+0x1c/0x140
[ 1346.177959][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1346.177959][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1346.177959][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1346.177959][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1346.177959][   T10]      netlink_rcv_skb+0x130/0x360
[ 1346.177959][   T10]      netlink_unicast+0x449/0x710
[ 1346.177959][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1346.177959][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1346.177959][   T10]      ___sys_sendmsg+0xee/0x170
[ 1346.177959][   T10]      __sys_sendmsg+0xcd/0x170
[ 1346.177959][   T10]      do_syscall_64+0xc6/0x1e0
[ 1346.177959][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1346.177959][   T10] 
[ 1346.180230][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1346.180230][   T10]      netdev_get_by_index+0x5e/0x80
[ 1346.180230][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1346.180230][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1346.180230][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1346.180230][   T10]      ipv6_add_addr+0x411/0x2000
[ 1346.180230][   T10]      inet6_addr_add+0x30e/0xa40
[ 1346.180230][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1346.180230][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1346.180230][   T10]      netlink_rcv_skb+0x130/0x360
[ 1346.180230][   T10]      netlink_unicast+0x449/0x710
[ 1346.180230][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1346.180230][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1346.180230][   T10]      ___sys_sendmsg+0xee/0x170
[ 1346.180230][   T10]      __sys_sendmsg+0xcd/0x170
[ 1346.180230][   T10]      do_syscall_64+0xc6/0x1e0
[ 1346.180230][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1346.180230][   T10] 
[ 1346.182497][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1346.182497][   T10]      netdev_get_by_index+0x5e/0x80
[ 1346.182497][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1346.182497][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1346.182497][   T10]      ip6_route_add+0x1c/0x140
[ 1346.182497][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1346.182497][   T10]      addrconf_add_dev+0xe2/0x170
[ 1346.182497][   T10]      inet6_addr_add+0x12f/0xa40
[ 1346.182497][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1346.182497][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1346.182497][   T10]      netlink_rcv_skb+0x130/0x360
[ 1346.182497][   T10]      netlink_unicast+0x449/0x710
[ 1346.182497][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1346.182497][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1346.182497][   T10]      ___sys_sendmsg+0xee/0x170
[ 1346.182497][   T10]      __sys_sendmsg+0xcd/0x170
[ 1346.182497][   T10]      do_syscall_64+0xc6/0x1e0
[ 1346.182497][   T10] 
[ 1346.184739][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1346.184739][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1346.184739][   T10]      ipv6_find_idev+0x102/0x170
[ 1346.184739][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1346.184739][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1346.184739][   T10]      netlink_rcv_skb+0x130/0x360
[ 1346.184739][   T10]      netlink_unicast+0x449/0x710
[ 1346.184739][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1346.184739][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1346.184739][   T10]      ___sys_sendmsg+0xee/0x170
[ 1346.184739][   T10]      __sys_sendmsg+0xcd/0x170
[ 1346.184739][   T10]      do_syscall_64+0xc6/0x1e0
[ 1346.184739][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1346.184739][   T10] 
[ 1346.186493][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1346.186493][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1346.186493][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1346.186493][   T10]      ipv6_find_idev+0x102/0x170
[ 1346.186493][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1346.186493][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1346.186493][   T10]      netlink_rcv_skb+0x130/0x360
[ 1346.186493][   T10]      netlink_unicast+0x449/0x710
[ 1346.186493][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1346.186493][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1346.186493][   T10]      ___sys_sendmsg+0xee/0x170
[ 1346.186493][   T10]      __sys_sendmsg+0xcd/0x170
[ 1346.186493][   T10]      do_syscall_64+0xc6/0x1e0
[ 1346.186493][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1346.186493][   T10] 
[ 1353.000732][   T42] INFO: task modprobe:8169 blocked for more than 245 seconds.
[ 1353.001092][   T42]       Not tainted 6.8.0-virtme #1
[ 1353.001222][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1353.001446][   T42] task:modprobe        state:D stack:25648 pid:8169  tgid:8169  ppid:39     flags:0x00004002
[ 1353.001746][   T42] Call Trace:
[ 1353.001858][   T42]  <TASK>
[ 1353.001943][   T42]  __schedule+0x705/0x1ac0
[ 1353.002100][   T42]  ? __pfx___schedule+0x10/0x10
[ 1353.002241][   T42]  ? schedule+0x1a5/0x210
[ 1353.002350][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1353.002500][   T42]  ? mark_lock+0x38/0x3e0
[ 1353.002612][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 1353.002770][   T42]  ? schedule+0x1a5/0x210
[ 1353.002880][   T42]  schedule+0xdf/0x210
[ 1353.002987][   T42]  schedule_preempt_disabled+0x15/0x30
[ 1353.003130][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[ 1353.003276][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 1353.003450][   T42]  ? kasan_save_stack+0x34/0x50
[ 1353.003587][   T42]  ? kasan_save_stack+0x24/0x50
[ 1353.003734][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1353.003879][   T42]  ? lock_acquire+0x1c1/0x220
[ 1353.004024][   T42]  ? register_pernet_subsys+0x1a/0x50
[ 1353.004171][   T42]  down_write+0x1c9/0x200
[ 1353.004279][   T42]  ? __pfx_down_write+0x10/0x10
[ 1353.004419][   T42]  ? __pfx___lock_release+0x10/0x10
[ 1353.004571][   T42]  ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables]
[ 1353.004799][   T42]  register_pernet_subsys+0x1a/0x50
[ 1353.004945][   T42]  nf_tables_module_init+0x17/0x100 [nf_tables]
[ 1353.005161][   T42]  do_one_initcall+0xc8/0x3f0
[ 1353.005303][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[ 1353.005446][   T42]  ? __create_object+0x5e/0xb0
[ 1353.005590][   T42]  ? kasan_unpoison+0x27/0x60
[ 1353.005758][   T42]  do_init_module+0x233/0x740
[ 1353.005909][   T42]  load_module+0x16b5/0x2350
[ 1353.006066][   T42]  ? __pfx_load_module+0x10/0x10
[ 1353.006208][   T42]  ? kernel_read_file+0x3d2/0x520
[ 1353.006354][   T42]  ? kernel_read_file+0x300/0x520
[ 1353.006503][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[ 1353.006669][   T42]  ? init_module_from_file+0xd2/0x130
[ 1353.006806][   T42]  init_module_from_file+0xd2/0x130
[ 1353.006944][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[ 1353.007124][   T42]  ? __lock_release+0x103/0x460
[ 1353.007260][   T42]  ? idempotent_init_module+0x32a/0x620
[ 1353.007410][   T42]  ? idempotent_init_module+0x32a/0x620
[ 1353.007554][   T42]  ? do_raw_spin_unlock+0x58/0x220
[ 1353.007707][   T42]  idempotent_init_module+0x342/0x620
[ 1353.007847][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 1353.008046][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 1353.008186][   T42]  do_syscall_64+0xc6/0x1e0
[ 1353.008329][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1353.008502][   T42] RIP: 0033:0x7f8894ecfe5d
[ 1353.008666][   T42] RSP: 002b:00007ffc02fe9148 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 1353.008878][   T42] RAX: ffffffffffffffda RBX: 0000561734795e90 RCX: 00007f8894ecfe5d
[ 1353.009089][   T42] RDX: 0000000000000000 RSI: 000056171fd7ca2a RDI: 0000000000000001
[ 1353.009291][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00005617347964f0
[ 1353.009496][   T42] R10: 0000000000000001 R11: 0000000000000246 R12: 000056171fd7ca2a
[ 1353.009726][   T42] R13: 0000561734795e40 R14: 0000561734796570 R15: 0000000000000000
[ 1353.009950][   T42]  </TASK>
[ 1353.010058][   T42] 
[ 1353.010058][   T42] Showing all locks held in the system:
[ 1353.010252][   T42] 3 locks held by kworker/u16:0/10:
[ 1353.010387][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1353.010678][   T42]  #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1353.010924][   T42]  #2: ffffffff9816a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[ 1353.011176][   T42] 2 locks held by kworker/u20:0/39:
[ 1353.011311][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1353.011589][   T42]  #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1353.011909][   T42] 1 lock held by khungtaskd/42:
[ 1353.012051][   T42]  #0: ffffffff979591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[ 1353.012301][   T42] 1 lock held by modprobe/8169:
[ 1353.012431][   T42]  #0: ffffffff9816a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[ 1353.012714][   T42] 
[ 1353.012781][   T42] =============================================
[ 1353.012781][   T42] 
[ 1356.424755][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1356.425228][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1356.425228][   T10]      netdev_get_by_index+0x5e/0x80
[ 1356.425228][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1356.425228][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1356.425228][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1356.425228][   T10]      ipv6_add_addr+0x411/0x2000
[ 1356.425228][   T10]      inet6_addr_add+0x30e/0xa40
[ 1356.425228][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1356.425228][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1356.425228][   T10]      netlink_rcv_skb+0x130/0x360
[ 1356.425228][   T10]      netlink_unicast+0x449/0x710
[ 1356.425228][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1356.425228][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1356.425228][   T10]      ___sys_sendmsg+0xee/0x170
[ 1356.425228][   T10]      __sys_sendmsg+0xcd/0x170
[ 1356.425228][   T10]      do_syscall_64+0xc6/0x1e0
[ 1356.425228][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1356.425228][   T10] 
[ 1356.427359][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1356.427359][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1356.427359][   T10]      ipv6_find_idev+0x102/0x170
[ 1356.427359][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1356.427359][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1356.427359][   T10]      netlink_rcv_skb+0x130/0x360
[ 1356.427359][   T10]      netlink_unicast+0x449/0x710
[ 1356.427359][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1356.427359][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1356.427359][   T10]      ___sys_sendmsg+0xee/0x170
[ 1356.427359][   T10]      __sys_sendmsg+0xcd/0x170
[ 1356.427359][   T10]      do_syscall_64+0xc6/0x1e0
[ 1356.427359][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1356.427359][   T10] 
[ 1356.428958][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1356.428958][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1356.428958][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1356.428958][   T10]      ipv6_find_idev+0x102/0x170
[ 1356.428958][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1356.428958][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1356.428958][   T10]      netlink_rcv_skb+0x130/0x360
[ 1356.428958][   T10]      netlink_unicast+0x449/0x710
[ 1356.428958][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1356.428958][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1356.428958][   T10]      ___sys_sendmsg+0xee/0x170
[ 1356.428958][   T10]      __sys_sendmsg+0xcd/0x170
[ 1356.428958][   T10]      do_syscall_64+0xc6/0x1e0
[ 1356.428958][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1356.428958][   T10] 
[ 1356.430698][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1356.430961][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1356.430961][   T10]      netdev_get_by_index+0x5e/0x80
[ 1356.430961][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1356.430961][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1356.430961][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1356.430961][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1356.430961][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1356.430961][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1356.430961][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1356.430961][   T10]      addrconf_dad_begin+0x310/0x670
[ 1356.430961][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1356.430961][   T10]      process_one_work+0x84d/0x18a0
[ 1356.430961][   T10]      worker_thread+0x587/0xd30
[ 1356.430961][   T10]      kthread+0x28a/0x350
[ 1356.430961][   T10]      ret_from_fork+0x31/0x70
[ 1356.430961][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1356.430961][   T10] 
[ 1356.432901][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1356.432901][   T10]      netdev_get_by_index+0x5e/0x80
[ 1356.432901][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1356.432901][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1356.432901][   T10]      ip6_route_add+0x1c/0x140
[ 1356.432901][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1356.432901][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1356.432901][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1356.432901][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1356.432901][   T10]      netlink_rcv_skb+0x130/0x360
[ 1356.432901][   T10]      netlink_unicast+0x449/0x710
[ 1356.432901][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1356.432901][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1356.432901][   T10]      ___sys_sendmsg+0xee/0x170
[ 1356.432901][   T10]      __sys_sendmsg+0xcd/0x170
[ 1356.432901][   T10]      do_syscall_64+0xc6/0x1e0
[ 1356.432901][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1356.432901][   T10] 
[ 1356.434947][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1356.434947][   T10]      netdev_get_by_index+0x5e/0x80
[ 1356.434947][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1356.434947][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1356.434947][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1356.434947][   T10]      ipv6_add_addr+0x411/0x2000
[ 1356.434947][   T10]      inet6_addr_add+0x30e/0xa40
[ 1356.434947][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1356.434947][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1356.434947][   T10]      netlink_rcv_skb+0x130/0x360
[ 1356.434947][   T10]      netlink_unicast+0x449/0x710
[ 1356.434947][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1356.434947][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1356.434947][   T10]      ___sys_sendmsg+0xee/0x170
[ 1356.434947][   T10]      __sys_sendmsg+0xcd/0x170
[ 1356.434947][   T10]      do_syscall_64+0xc6/0x1e0
[ 1356.434947][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1356.434947][   T10] 
[ 1356.437029][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1356.437029][   T10]      netdev_get_by_index+0x5e/0x80
[ 1356.437029][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1356.437029][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1356.437029][   T10]      ip6_route_add+0x1c/0x140
[ 1356.437029][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1356.437029][   T10]      addrconf_add_dev+0xe2/0x170
[ 1356.437029][   T10]      inet6_addr_add+0x12f/0xa40
[ 1356.437029][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1356.437029][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1356.437029][   T10]      netlink_rcv_skb+0x130/0x360
[ 1356.437029][   T10]      netlink_unicast+0x449/0x710
[ 1356.437029][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1356.437029][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1356.437029][   T10]      ___sys_sendmsg+0xee/0x170
[ 1356.437029][   T10]      __sys_sendmsg+0xcd/0x170
[ 1356.437029][   T10]      do_syscall_64+0xc6/0x1e0
[ 1356.437029][   T10] 
[ 1356.439055][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1356.439055][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1356.439055][   T10]      ipv6_find_idev+0x102/0x170
[ 1356.439055][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1356.439055][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1356.439055][   T10]      netlink_rcv_skb+0x130/0x360
[ 1356.439055][   T10]      netlink_unicast+0x449/0x710
[ 1356.439055][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1356.439055][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1356.439055][   T10]      ___sys_sendmsg+0xee/0x170
[ 1356.439055][   T10]      __sys_sendmsg+0xcd/0x170
[ 1356.439055][   T10]      do_syscall_64+0xc6/0x1e0
[ 1356.439055][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1356.439055][   T10] 
[ 1356.440646][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1356.440646][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1356.440646][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1356.440646][   T10]      ipv6_find_idev+0x102/0x170
[ 1356.440646][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1356.440646][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1356.440646][   T10]      netlink_rcv_skb+0x130/0x360
[ 1356.440646][   T10]      netlink_unicast+0x449/0x710
[ 1356.440646][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1356.440646][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1356.440646][   T10]      ___sys_sendmsg+0xee/0x170
[ 1356.440646][   T10]      __sys_sendmsg+0xcd/0x170
[ 1356.440646][   T10]      do_syscall_64+0xc6/0x1e0
[ 1356.440646][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1356.440646][   T10] 
[ 1366.680766][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1366.681207][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1366.681207][   T10]      netdev_get_by_index+0x5e/0x80
[ 1366.681207][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1366.681207][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1366.681207][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1366.681207][   T10]      ipv6_add_addr+0x411/0x2000
[ 1366.681207][   T10]      inet6_addr_add+0x30e/0xa40
[ 1366.681207][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1366.681207][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1366.681207][   T10]      netlink_rcv_skb+0x130/0x360
[ 1366.681207][   T10]      netlink_unicast+0x449/0x710
[ 1366.681207][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1366.681207][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1366.681207][   T10]      ___sys_sendmsg+0xee/0x170
[ 1366.681207][   T10]      __sys_sendmsg+0xcd/0x170
[ 1366.681207][   T10]      do_syscall_64+0xc6/0x1e0
[ 1366.681207][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1366.681207][   T10] 
[ 1366.683492][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1366.683492][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1366.683492][   T10]      ipv6_find_idev+0x102/0x170
[ 1366.683492][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1366.683492][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1366.683492][   T10]      netlink_rcv_skb+0x130/0x360
[ 1366.683492][   T10]      netlink_unicast+0x449/0x710
[ 1366.683492][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1366.683492][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1366.683492][   T10]      ___sys_sendmsg+0xee/0x170
[ 1366.683492][   T10]      __sys_sendmsg+0xcd/0x170
[ 1366.683492][   T10]      do_syscall_64+0xc6/0x1e0
[ 1366.683492][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1366.683492][   T10] 
[ 1366.685216][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1366.685216][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1366.685216][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1366.685216][   T10]      ipv6_find_idev+0x102/0x170
[ 1366.685216][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1366.685216][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1366.685216][   T10]      netlink_rcv_skb+0x130/0x360
[ 1366.685216][   T10]      netlink_unicast+0x449/0x710
[ 1366.685216][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1366.685216][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1366.685216][   T10]      ___sys_sendmsg+0xee/0x170
[ 1366.685216][   T10]      __sys_sendmsg+0xcd/0x170
[ 1366.685216][   T10]      do_syscall_64+0xc6/0x1e0
[ 1366.685216][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1366.685216][   T10] 
[ 1366.687129][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1366.687409][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1366.687409][   T10]      netdev_get_by_index+0x5e/0x80
[ 1366.687409][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1366.687409][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1366.687409][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1366.687409][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1366.687409][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1366.687409][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1366.687409][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1366.687409][   T10]      addrconf_dad_begin+0x310/0x670
[ 1366.687409][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1366.687409][   T10]      process_one_work+0x84d/0x18a0
[ 1366.687409][   T10]      worker_thread+0x587/0xd30
[ 1366.687409][   T10]      kthread+0x28a/0x350
[ 1366.687409][   T10]      ret_from_fork+0x31/0x70
[ 1366.687409][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1366.687409][   T10] 
[ 1366.689470][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1366.689470][   T10]      netdev_get_by_index+0x5e/0x80
[ 1366.689470][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1366.689470][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1366.689470][   T10]      ip6_route_add+0x1c/0x140
[ 1366.689470][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1366.689470][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1366.689470][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1366.689470][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1366.689470][   T10]      netlink_rcv_skb+0x130/0x360
[ 1366.689470][   T10]      netlink_unicast+0x449/0x710
[ 1366.689470][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1366.689470][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1366.689470][   T10]      ___sys_sendmsg+0xee/0x170
[ 1366.689470][   T10]      __sys_sendmsg+0xcd/0x170
[ 1366.689470][   T10]      do_syscall_64+0xc6/0x1e0
[ 1366.689470][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1366.689470][   T10] 
[ 1366.691544][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1366.691544][   T10]      netdev_get_by_index+0x5e/0x80
[ 1366.691544][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1366.691544][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1366.691544][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1366.691544][   T10]      ipv6_add_addr+0x411/0x2000
[ 1366.691544][   T10]      inet6_addr_add+0x30e/0xa40
[ 1366.691544][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1366.691544][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1366.691544][   T10]      netlink_rcv_skb+0x130/0x360
[ 1366.691544][   T10]      netlink_unicast+0x449/0x710
[ 1366.691544][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1366.691544][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1366.691544][   T10]      ___sys_sendmsg+0xee/0x170
[ 1366.691544][   T10]      __sys_sendmsg+0xcd/0x170
[ 1366.691544][   T10]      do_syscall_64+0xc6/0x1e0
[ 1366.691544][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1366.691544][   T10] 
[ 1366.693647][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1366.693647][   T10]      netdev_get_by_index+0x5e/0x80
[ 1366.693647][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1366.693647][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1366.693647][   T10]      ip6_route_add+0x1c/0x140
[ 1366.693647][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1366.693647][   T10]      addrconf_add_dev+0xe2/0x170
[ 1366.693647][   T10]      inet6_addr_add+0x12f/0xa40
[ 1366.693647][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1366.693647][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1366.693647][   T10]      netlink_rcv_skb+0x130/0x360
[ 1366.693647][   T10]      netlink_unicast+0x449/0x710
[ 1366.693647][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1366.693647][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1366.693647][   T10]      ___sys_sendmsg+0xee/0x170
[ 1366.693647][   T10]      __sys_sendmsg+0xcd/0x170
[ 1366.693647][   T10]      do_syscall_64+0xc6/0x1e0
[ 1366.693647][   T10] 
[ 1366.695697][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1366.695697][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1366.695697][   T10]      ipv6_find_idev+0x102/0x170
[ 1366.695697][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1366.695697][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1366.695697][   T10]      netlink_rcv_skb+0x130/0x360
[ 1366.695697][   T10]      netlink_unicast+0x449/0x710
[ 1366.695697][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1366.695697][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1366.695697][   T10]      ___sys_sendmsg+0xee/0x170
[ 1366.695697][   T10]      __sys_sendmsg+0xcd/0x170
[ 1366.695697][   T10]      do_syscall_64+0xc6/0x1e0
[ 1366.695697][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1366.695697][   T10] 
[ 1366.697314][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1366.697314][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1366.697314][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1366.697314][   T10]      ipv6_find_idev+0x102/0x170
[ 1366.697314][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1366.697314][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1366.697314][   T10]      netlink_rcv_skb+0x130/0x360
[ 1366.697314][   T10]      netlink_unicast+0x449/0x710
[ 1366.697314][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1366.697314][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1366.697314][   T10]      ___sys_sendmsg+0xee/0x170
[ 1366.697314][   T10]      __sys_sendmsg+0xcd/0x170
[ 1366.697314][   T10]      do_syscall_64+0xc6/0x1e0
[ 1366.697314][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1366.697314][   T10] 
[ 1376.936713][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1376.937141][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1376.937141][   T10]      netdev_get_by_index+0x5e/0x80
[ 1376.937141][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1376.937141][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1376.937141][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1376.937141][   T10]      ipv6_add_addr+0x411/0x2000
[ 1376.937141][   T10]      inet6_addr_add+0x30e/0xa40
[ 1376.937141][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1376.937141][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1376.937141][   T10]      netlink_rcv_skb+0x130/0x360
[ 1376.937141][   T10]      netlink_unicast+0x449/0x710
[ 1376.937141][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1376.937141][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1376.937141][   T10]      ___sys_sendmsg+0xee/0x170
[ 1376.937141][   T10]      __sys_sendmsg+0xcd/0x170
[ 1376.937141][   T10]      do_syscall_64+0xc6/0x1e0
[ 1376.937141][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1376.937141][   T10] 
[ 1376.939257][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1376.939257][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1376.939257][   T10]      ipv6_find_idev+0x102/0x170
[ 1376.939257][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1376.939257][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1376.939257][   T10]      netlink_rcv_skb+0x130/0x360
[ 1376.939257][   T10]      netlink_unicast+0x449/0x710
[ 1376.939257][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1376.939257][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1376.939257][   T10]      ___sys_sendmsg+0xee/0x170
[ 1376.939257][   T10]      __sys_sendmsg+0xcd/0x170
[ 1376.939257][   T10]      do_syscall_64+0xc6/0x1e0
[ 1376.939257][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1376.939257][   T10] 
[ 1376.940863][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1376.940863][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1376.940863][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1376.940863][   T10]      ipv6_find_idev+0x102/0x170
[ 1376.940863][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1376.940863][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1376.940863][   T10]      netlink_rcv_skb+0x130/0x360
[ 1376.940863][   T10]      netlink_unicast+0x449/0x710
[ 1376.940863][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1376.940863][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1376.940863][   T10]      ___sys_sendmsg+0xee/0x170
[ 1376.940863][   T10]      __sys_sendmsg+0xcd/0x170
[ 1376.940863][   T10]      do_syscall_64+0xc6/0x1e0
[ 1376.940863][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1376.940863][   T10] 
[ 1376.942618][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1376.942899][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1376.942899][   T10]      netdev_get_by_index+0x5e/0x80
[ 1376.942899][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1376.942899][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1376.942899][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1376.942899][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1376.942899][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1376.942899][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1376.942899][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1376.942899][   T10]      addrconf_dad_begin+0x310/0x670
[ 1376.942899][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1376.942899][   T10]      process_one_work+0x84d/0x18a0
[ 1376.942899][   T10]      worker_thread+0x587/0xd30
[ 1376.942899][   T10]      kthread+0x28a/0x350
[ 1376.942899][   T10]      ret_from_fork+0x31/0x70
[ 1376.942899][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1376.942899][   T10] 
[ 1376.944863][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1376.944863][   T10]      netdev_get_by_index+0x5e/0x80
[ 1376.944863][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1376.944863][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1376.944863][   T10]      ip6_route_add+0x1c/0x140
[ 1376.944863][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1376.944863][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1376.944863][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1376.944863][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1376.944863][   T10]      netlink_rcv_skb+0x130/0x360
[ 1376.944863][   T10]      netlink_unicast+0x449/0x710
[ 1376.944863][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1376.944863][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1376.944863][   T10]      ___sys_sendmsg+0xee/0x170
[ 1376.944863][   T10]      __sys_sendmsg+0xcd/0x170
[ 1376.944863][   T10]      do_syscall_64+0xc6/0x1e0
[ 1376.944863][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1376.944863][   T10] 
[ 1376.946950][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1376.946950][   T10]      netdev_get_by_index+0x5e/0x80
[ 1376.946950][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1376.946950][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1376.946950][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1376.946950][   T10]      ipv6_add_addr+0x411/0x2000
[ 1376.946950][   T10]      inet6_addr_add+0x30e/0xa40
[ 1376.946950][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1376.946950][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1376.946950][   T10]      netlink_rcv_skb+0x130/0x360
[ 1376.946950][   T10]      netlink_unicast+0x449/0x710
[ 1376.946950][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1376.946950][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1376.946950][   T10]      ___sys_sendmsg+0xee/0x170
[ 1376.946950][   T10]      __sys_sendmsg+0xcd/0x170
[ 1376.946950][   T10]      do_syscall_64+0xc6/0x1e0
[ 1376.946950][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1376.946950][   T10] 
[ 1376.949041][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1376.949041][   T10]      netdev_get_by_index+0x5e/0x80
[ 1376.949041][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1376.949041][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1376.949041][   T10]      ip6_route_add+0x1c/0x140
[ 1376.949041][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1376.949041][   T10]      addrconf_add_dev+0xe2/0x170
[ 1376.949041][   T10]      inet6_addr_add+0x12f/0xa40
[ 1376.949041][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1376.949041][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1376.949041][   T10]      netlink_rcv_skb+0x130/0x360
[ 1376.949041][   T10]      netlink_unicast+0x449/0x710
[ 1376.949041][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1376.949041][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1376.949041][   T10]      ___sys_sendmsg+0xee/0x170
[ 1376.949041][   T10]      __sys_sendmsg+0xcd/0x170
[ 1376.949041][   T10]      do_syscall_64+0xc6/0x1e0
[ 1376.949041][   T10] 
[ 1376.951052][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1376.951052][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1376.951052][   T10]      ipv6_find_idev+0x102/0x170
[ 1376.951052][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1376.951052][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1376.951052][   T10]      netlink_rcv_skb+0x130/0x360
[ 1376.951052][   T10]      netlink_unicast+0x449/0x710
[ 1376.951052][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1376.951052][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1376.951052][   T10]      ___sys_sendmsg+0xee/0x170
[ 1376.951052][   T10]      __sys_sendmsg+0xcd/0x170
[ 1376.951052][   T10]      do_syscall_64+0xc6/0x1e0
[ 1376.951052][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1376.951052][   T10] 
[ 1376.952617][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1376.952617][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1376.952617][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1376.952617][   T10]      ipv6_find_idev+0x102/0x170
[ 1376.952617][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1376.952617][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1376.952617][   T10]      netlink_rcv_skb+0x130/0x360
[ 1376.952617][   T10]      netlink_unicast+0x449/0x710
[ 1376.952617][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1376.952617][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1376.952617][   T10]      ___sys_sendmsg+0xee/0x170
[ 1376.952617][   T10]      __sys_sendmsg+0xcd/0x170
[ 1376.952617][   T10]      do_syscall_64+0xc6/0x1e0
[ 1376.952617][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1376.952617][   T10] 
[ 1387.120830][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1387.121329][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1387.121329][   T10]      netdev_get_by_index+0x5e/0x80
[ 1387.121329][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1387.121329][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1387.121329][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1387.121329][   T10]      ipv6_add_addr+0x411/0x2000
[ 1387.121329][   T10]      inet6_addr_add+0x30e/0xa40
[ 1387.121329][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1387.121329][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1387.121329][   T10]      netlink_rcv_skb+0x130/0x360
[ 1387.121329][   T10]      netlink_unicast+0x449/0x710
[ 1387.121329][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1387.121329][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1387.121329][   T10]      ___sys_sendmsg+0xee/0x170
[ 1387.121329][   T10]      __sys_sendmsg+0xcd/0x170
[ 1387.121329][   T10]      do_syscall_64+0xc6/0x1e0
[ 1387.121329][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1387.121329][   T10] 
[ 1387.123396][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1387.123396][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1387.123396][   T10]      ipv6_find_idev+0x102/0x170
[ 1387.123396][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1387.123396][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1387.123396][   T10]      netlink_rcv_skb+0x130/0x360
[ 1387.123396][   T10]      netlink_unicast+0x449/0x710
[ 1387.123396][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1387.123396][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1387.123396][   T10]      ___sys_sendmsg+0xee/0x170
[ 1387.123396][   T10]      __sys_sendmsg+0xcd/0x170
[ 1387.123396][   T10]      do_syscall_64+0xc6/0x1e0
[ 1387.123396][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1387.123396][   T10] 
[ 1387.124982][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1387.124982][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1387.124982][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1387.124982][   T10]      ipv6_find_idev+0x102/0x170
[ 1387.124982][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1387.124982][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1387.124982][   T10]      netlink_rcv_skb+0x130/0x360
[ 1387.124982][   T10]      netlink_unicast+0x449/0x710
[ 1387.124982][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1387.124982][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1387.124982][   T10]      ___sys_sendmsg+0xee/0x170
[ 1387.124982][   T10]      __sys_sendmsg+0xcd/0x170
[ 1387.124982][   T10]      do_syscall_64+0xc6/0x1e0
[ 1387.124982][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1387.124982][   T10] 
[ 1387.126734][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1387.127403][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1387.127403][   T10]      netdev_get_by_index+0x5e/0x80
[ 1387.127403][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1387.127403][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1387.127403][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1387.127403][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1387.127403][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1387.127403][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1387.127403][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1387.127403][   T10]      addrconf_dad_begin+0x310/0x670
[ 1387.127403][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1387.127403][   T10]      process_one_work+0x84d/0x18a0
[ 1387.127403][   T10]      worker_thread+0x587/0xd30
[ 1387.127403][   T10]      kthread+0x28a/0x350
[ 1387.127403][   T10]      ret_from_fork+0x31/0x70
[ 1387.127403][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1387.127403][   T10] 
[ 1387.129325][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1387.129325][   T10]      netdev_get_by_index+0x5e/0x80
[ 1387.129325][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1387.129325][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1387.129325][   T10]      ip6_route_add+0x1c/0x140
[ 1387.129325][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1387.129325][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1387.129325][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1387.129325][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1387.129325][   T10]      netlink_rcv_skb+0x130/0x360
[ 1387.129325][   T10]      netlink_unicast+0x449/0x710
[ 1387.129325][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1387.129325][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1387.129325][   T10]      ___sys_sendmsg+0xee/0x170
[ 1387.129325][   T10]      __sys_sendmsg+0xcd/0x170
[ 1387.129325][   T10]      do_syscall_64+0xc6/0x1e0
[ 1387.129325][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1387.129325][   T10] 
[ 1387.131358][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1387.131358][   T10]      netdev_get_by_index+0x5e/0x80
[ 1387.131358][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1387.131358][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1387.131358][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1387.131358][   T10]      ipv6_add_addr+0x411/0x2000
[ 1387.131358][   T10]      inet6_addr_add+0x30e/0xa40
[ 1387.131358][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1387.131358][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1387.131358][   T10]      netlink_rcv_skb+0x130/0x360
[ 1387.131358][   T10]      netlink_unicast+0x449/0x710
[ 1387.131358][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1387.131358][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1387.131358][   T10]      ___sys_sendmsg+0xee/0x170
[ 1387.131358][   T10]      __sys_sendmsg+0xcd/0x170
[ 1387.131358][   T10]      do_syscall_64+0xc6/0x1e0
[ 1387.131358][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1387.131358][   T10] 
[ 1387.133383][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1387.133383][   T10]      netdev_get_by_index+0x5e/0x80
[ 1387.133383][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1387.133383][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1387.133383][   T10]      ip6_route_add+0x1c/0x140
[ 1387.133383][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1387.133383][   T10]      addrconf_add_dev+0xe2/0x170
[ 1387.133383][   T10]      inet6_addr_add+0x12f/0xa40
[ 1387.133383][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1387.133383][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1387.133383][   T10]      netlink_rcv_skb+0x130/0x360
[ 1387.133383][   T10]      netlink_unicast+0x449/0x710
[ 1387.133383][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1387.133383][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1387.133383][   T10]      ___sys_sendmsg+0xee/0x170
[ 1387.133383][   T10]      __sys_sendmsg+0xcd/0x170
[ 1387.133383][   T10]      do_syscall_64+0xc6/0x1e0
[ 1387.133383][   T10] 
[ 1387.135366][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1387.135366][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1387.135366][   T10]      ipv6_find_idev+0x102/0x170
[ 1387.135366][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1387.135366][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1387.135366][   T10]      netlink_rcv_skb+0x130/0x360
[ 1387.135366][   T10]      netlink_unicast+0x449/0x710
[ 1387.135366][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1387.135366][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1387.135366][   T10]      ___sys_sendmsg+0xee/0x170
[ 1387.135366][   T10]      __sys_sendmsg+0xcd/0x170
[ 1387.135366][   T10]      do_syscall_64+0xc6/0x1e0
[ 1387.135366][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1387.135366][   T10] 
[ 1387.136930][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1387.136930][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1387.136930][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1387.136930][   T10]      ipv6_find_idev+0x102/0x170
[ 1387.136930][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1387.136930][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1387.136930][   T10]      netlink_rcv_skb+0x130/0x360
[ 1387.136930][   T10]      netlink_unicast+0x449/0x710
[ 1387.136930][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1387.136930][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1387.136930][   T10]      ___sys_sendmsg+0xee/0x170
[ 1387.136930][   T10]      __sys_sendmsg+0xcd/0x170
[ 1387.136930][   T10]      do_syscall_64+0xc6/0x1e0
[ 1387.136930][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1387.136930][   T10] 
[ 1397.168782][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1397.169251][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1397.169251][   T10]      netdev_get_by_index+0x5e/0x80
[ 1397.169251][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1397.169251][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1397.169251][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1397.169251][   T10]      ipv6_add_addr+0x411/0x2000
[ 1397.169251][   T10]      inet6_addr_add+0x30e/0xa40
[ 1397.169251][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1397.169251][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1397.169251][   T10]      netlink_rcv_skb+0x130/0x360
[ 1397.169251][   T10]      netlink_unicast+0x449/0x710
[ 1397.169251][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1397.169251][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1397.169251][   T10]      ___sys_sendmsg+0xee/0x170
[ 1397.169251][   T10]      __sys_sendmsg+0xcd/0x170
[ 1397.169251][   T10]      do_syscall_64+0xc6/0x1e0
[ 1397.169251][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1397.169251][   T10] 
[ 1397.171318][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1397.171318][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1397.171318][   T10]      ipv6_find_idev+0x102/0x170
[ 1397.171318][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1397.171318][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1397.171318][   T10]      netlink_rcv_skb+0x130/0x360
[ 1397.171318][   T10]      netlink_unicast+0x449/0x710
[ 1397.171318][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1397.171318][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1397.171318][   T10]      ___sys_sendmsg+0xee/0x170
[ 1397.171318][   T10]      __sys_sendmsg+0xcd/0x170
[ 1397.171318][   T10]      do_syscall_64+0xc6/0x1e0
[ 1397.171318][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1397.171318][   T10] 
[ 1397.172889][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1397.172889][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1397.172889][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1397.172889][   T10]      ipv6_find_idev+0x102/0x170
[ 1397.172889][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1397.172889][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1397.172889][   T10]      netlink_rcv_skb+0x130/0x360
[ 1397.172889][   T10]      netlink_unicast+0x449/0x710
[ 1397.172889][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1397.172889][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1397.172889][   T10]      ___sys_sendmsg+0xee/0x170
[ 1397.172889][   T10]      __sys_sendmsg+0xcd/0x170
[ 1397.172889][   T10]      do_syscall_64+0xc6/0x1e0
[ 1397.172889][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1397.172889][   T10] 
[ 1397.174607][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1397.174891][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1397.174891][   T10]      netdev_get_by_index+0x5e/0x80
[ 1397.174891][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1397.174891][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1397.174891][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1397.174891][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1397.174891][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1397.174891][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1397.174891][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1397.174891][   T10]      addrconf_dad_begin+0x310/0x670
[ 1397.174891][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1397.174891][   T10]      process_one_work+0x84d/0x18a0
[ 1397.174891][   T10]      worker_thread+0x587/0xd30
[ 1397.174891][   T10]      kthread+0x28a/0x350
[ 1397.174891][   T10]      ret_from_fork+0x31/0x70
[ 1397.174891][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1397.174891][   T10] 
[ 1397.176820][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1397.176820][   T10]      netdev_get_by_index+0x5e/0x80
[ 1397.176820][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1397.176820][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1397.176820][   T10]      ip6_route_add+0x1c/0x140
[ 1397.176820][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1397.176820][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1397.176820][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1397.176820][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1397.176820][   T10]      netlink_rcv_skb+0x130/0x360
[ 1397.176820][   T10]      netlink_unicast+0x449/0x710
[ 1397.176820][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1397.176820][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1397.176820][   T10]      ___sys_sendmsg+0xee/0x170
[ 1397.176820][   T10]      __sys_sendmsg+0xcd/0x170
[ 1397.176820][   T10]      do_syscall_64+0xc6/0x1e0
[ 1397.176820][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1397.176820][   T10] 
[ 1397.178848][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1397.178848][   T10]      netdev_get_by_index+0x5e/0x80
[ 1397.178848][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1397.178848][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1397.178848][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1397.178848][   T10]      ipv6_add_addr+0x411/0x2000
[ 1397.178848][   T10]      inet6_addr_add+0x30e/0xa40
[ 1397.178848][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1397.178848][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1397.178848][   T10]      netlink_rcv_skb+0x130/0x360
[ 1397.178848][   T10]      netlink_unicast+0x449/0x710
[ 1397.178848][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1397.178848][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1397.178848][   T10]      ___sys_sendmsg+0xee/0x170
[ 1397.178848][   T10]      __sys_sendmsg+0xcd/0x170
[ 1397.178848][   T10]      do_syscall_64+0xc6/0x1e0
[ 1397.178848][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1397.178848][   T10] 
[ 1397.180875][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1397.180875][   T10]      netdev_get_by_index+0x5e/0x80
[ 1397.180875][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1397.180875][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1397.180875][   T10]      ip6_route_add+0x1c/0x140
[ 1397.180875][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1397.180875][   T10]      addrconf_add_dev+0xe2/0x170
[ 1397.180875][   T10]      inet6_addr_add+0x12f/0xa40
[ 1397.180875][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1397.180875][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1397.180875][   T10]      netlink_rcv_skb+0x130/0x360
[ 1397.180875][   T10]      netlink_unicast+0x449/0x710
[ 1397.180875][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1397.180875][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1397.180875][   T10]      ___sys_sendmsg+0xee/0x170
[ 1397.180875][   T10]      __sys_sendmsg+0xcd/0x170
[ 1397.180875][   T10]      do_syscall_64+0xc6/0x1e0
[ 1397.180875][   T10] 
[ 1397.182877][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1397.182877][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1397.182877][   T10]      ipv6_find_idev+0x102/0x170
[ 1397.182877][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1397.182877][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1397.182877][   T10]      netlink_rcv_skb+0x130/0x360
[ 1397.182877][   T10]      netlink_unicast+0x449/0x710
[ 1397.182877][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1397.182877][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1397.182877][   T10]      ___sys_sendmsg+0xee/0x170
[ 1397.182877][   T10]      __sys_sendmsg+0xcd/0x170
[ 1397.182877][   T10]      do_syscall_64+0xc6/0x1e0
[ 1397.182877][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1397.182877][   T10] 
[ 1397.184436][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1397.184436][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1397.184436][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1397.184436][   T10]      ipv6_find_idev+0x102/0x170
[ 1397.184436][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1397.184436][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1397.184436][   T10]      netlink_rcv_skb+0x130/0x360
[ 1397.184436][   T10]      netlink_unicast+0x449/0x710
[ 1397.184436][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1397.184436][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1397.184436][   T10]      ___sys_sendmsg+0xee/0x170
[ 1397.184436][   T10]      __sys_sendmsg+0xcd/0x170
[ 1397.184436][   T10]      do_syscall_64+0xc6/0x1e0
[ 1397.184436][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1397.184436][   T10] 
[ 1407.216701][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1407.217167][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1407.217167][   T10]      netdev_get_by_index+0x5e/0x80
[ 1407.217167][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1407.217167][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1407.217167][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1407.217167][   T10]      ipv6_add_addr+0x411/0x2000
[ 1407.217167][   T10]      inet6_addr_add+0x30e/0xa40
[ 1407.217167][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1407.217167][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1407.217167][   T10]      netlink_rcv_skb+0x130/0x360
[ 1407.217167][   T10]      netlink_unicast+0x449/0x710
[ 1407.217167][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1407.217167][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1407.217167][   T10]      ___sys_sendmsg+0xee/0x170
[ 1407.217167][   T10]      __sys_sendmsg+0xcd/0x170
[ 1407.217167][   T10]      do_syscall_64+0xc6/0x1e0
[ 1407.217167][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1407.217167][   T10] 
[ 1407.219693][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1407.219693][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1407.219693][   T10]      ipv6_find_idev+0x102/0x170
[ 1407.219693][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1407.219693][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1407.219693][   T10]      netlink_rcv_skb+0x130/0x360
[ 1407.219693][   T10]      netlink_unicast+0x449/0x710
[ 1407.219693][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1407.219693][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1407.219693][   T10]      ___sys_sendmsg+0xee/0x170
[ 1407.219693][   T10]      __sys_sendmsg+0xcd/0x170
[ 1407.219693][   T10]      do_syscall_64+0xc6/0x1e0
[ 1407.219693][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1407.219693][   T10] 
[ 1407.221614][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1407.221614][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1407.221614][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1407.221614][   T10]      ipv6_find_idev+0x102/0x170
[ 1407.221614][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1407.221614][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1407.221614][   T10]      netlink_rcv_skb+0x130/0x360
[ 1407.221614][   T10]      netlink_unicast+0x449/0x710
[ 1407.221614][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1407.221614][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1407.221614][   T10]      ___sys_sendmsg+0xee/0x170
[ 1407.221614][   T10]      __sys_sendmsg+0xcd/0x170
[ 1407.221614][   T10]      do_syscall_64+0xc6/0x1e0
[ 1407.221614][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1407.221614][   T10] 
[ 1407.223685][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1407.223981][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1407.223981][   T10]      netdev_get_by_index+0x5e/0x80
[ 1407.223981][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1407.223981][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1407.223981][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1407.223981][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1407.223981][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1407.223981][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1407.223981][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1407.223981][   T10]      addrconf_dad_begin+0x310/0x670
[ 1407.223981][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1407.223981][   T10]      process_one_work+0x84d/0x18a0
[ 1407.223981][   T10]      worker_thread+0x587/0xd30
[ 1407.223981][   T10]      kthread+0x28a/0x350
[ 1407.223981][   T10]      ret_from_fork+0x31/0x70
[ 1407.223981][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1407.223981][   T10] 
[ 1407.226278][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1407.226278][   T10]      netdev_get_by_index+0x5e/0x80
[ 1407.226278][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1407.226278][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1407.226278][   T10]      ip6_route_add+0x1c/0x140
[ 1407.226278][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1407.226278][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1407.226278][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1407.226278][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1407.226278][   T10]      netlink_rcv_skb+0x130/0x360
[ 1407.226278][   T10]      netlink_unicast+0x449/0x710
[ 1407.226278][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1407.226278][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1407.226278][   T10]      ___sys_sendmsg+0xee/0x170
[ 1407.226278][   T10]      __sys_sendmsg+0xcd/0x170
[ 1407.226278][   T10]      do_syscall_64+0xc6/0x1e0
[ 1407.226278][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1407.226278][   T10] 
[ 1407.228813][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1407.228813][   T10]      netdev_get_by_index+0x5e/0x80
[ 1407.228813][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1407.228813][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1407.228813][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1407.228813][   T10]      ipv6_add_addr+0x411/0x2000
[ 1407.228813][   T10]      inet6_addr_add+0x30e/0xa40
[ 1407.228813][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1407.228813][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1407.228813][   T10]      netlink_rcv_skb+0x130/0x360
[ 1407.228813][   T10]      netlink_unicast+0x449/0x710
[ 1407.228813][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1407.228813][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1407.228813][   T10]      ___sys_sendmsg+0xee/0x170
[ 1407.228813][   T10]      __sys_sendmsg+0xcd/0x170
[ 1407.228813][   T10]      do_syscall_64+0xc6/0x1e0
[ 1407.228813][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1407.228813][   T10] 
[ 1407.231318][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1407.231318][   T10]      netdev_get_by_index+0x5e/0x80
[ 1407.231318][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1407.231318][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1407.231318][   T10]      ip6_route_add+0x1c/0x140
[ 1407.231318][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1407.231318][   T10]      addrconf_add_dev+0xe2/0x170
[ 1407.231318][   T10]      inet6_addr_add+0x12f/0xa40
[ 1407.231318][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1407.231318][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1407.231318][   T10]      netlink_rcv_skb+0x130/0x360
[ 1407.231318][   T10]      netlink_unicast+0x449/0x710
[ 1407.231318][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1407.231318][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1407.231318][   T10]      ___sys_sendmsg+0xee/0x170
[ 1407.231318][   T10]      __sys_sendmsg+0xcd/0x170
[ 1407.231318][   T10]      do_syscall_64+0xc6/0x1e0
[ 1407.231318][   T10] 
[ 1407.233762][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1407.233762][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1407.233762][   T10]      ipv6_find_idev+0x102/0x170
[ 1407.233762][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1407.233762][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1407.233762][   T10]      netlink_rcv_skb+0x130/0x360
[ 1407.233762][   T10]      netlink_unicast+0x449/0x710
[ 1407.233762][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1407.233762][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1407.233762][   T10]      ___sys_sendmsg+0xee/0x170
[ 1407.233762][   T10]      __sys_sendmsg+0xcd/0x170
[ 1407.233762][   T10]      do_syscall_64+0xc6/0x1e0
[ 1407.233762][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1407.233762][   T10] 
[ 1407.235670][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1407.235670][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1407.235670][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1407.235670][   T10]      ipv6_find_idev+0x102/0x170
[ 1407.235670][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1407.235670][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1407.235670][   T10]      netlink_rcv_skb+0x130/0x360
[ 1407.235670][   T10]      netlink_unicast+0x449/0x710
[ 1407.235670][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1407.235670][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1407.235670][   T10]      ___sys_sendmsg+0xee/0x170
[ 1407.235670][   T10]      __sys_sendmsg+0xcd/0x170
[ 1407.235670][   T10]      do_syscall_64+0xc6/0x1e0
[ 1407.235670][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1407.235670][   T10] 
[ 1417.472762][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1417.473167][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1417.473167][   T10]      netdev_get_by_index+0x5e/0x80
[ 1417.473167][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1417.473167][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1417.473167][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1417.473167][   T10]      ipv6_add_addr+0x411/0x2000
[ 1417.473167][   T10]      inet6_addr_add+0x30e/0xa40
[ 1417.473167][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1417.473167][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1417.473167][   T10]      netlink_rcv_skb+0x130/0x360
[ 1417.473167][   T10]      netlink_unicast+0x449/0x710
[ 1417.473167][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1417.473167][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1417.473167][   T10]      ___sys_sendmsg+0xee/0x170
[ 1417.473167][   T10]      __sys_sendmsg+0xcd/0x170
[ 1417.473167][   T10]      do_syscall_64+0xc6/0x1e0
[ 1417.473167][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1417.473167][   T10] 
[ 1417.475274][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1417.475274][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1417.475274][   T10]      ipv6_find_idev+0x102/0x170
[ 1417.475274][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1417.475274][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1417.475274][   T10]      netlink_rcv_skb+0x130/0x360
[ 1417.475274][   T10]      netlink_unicast+0x449/0x710
[ 1417.475274][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1417.475274][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1417.475274][   T10]      ___sys_sendmsg+0xee/0x170
[ 1417.475274][   T10]      __sys_sendmsg+0xcd/0x170
[ 1417.475274][   T10]      do_syscall_64+0xc6/0x1e0
[ 1417.475274][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1417.475274][   T10] 
[ 1417.476852][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1417.476852][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1417.476852][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1417.476852][   T10]      ipv6_find_idev+0x102/0x170
[ 1417.476852][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1417.476852][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1417.476852][   T10]      netlink_rcv_skb+0x130/0x360
[ 1417.476852][   T10]      netlink_unicast+0x449/0x710
[ 1417.476852][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1417.476852][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1417.476852][   T10]      ___sys_sendmsg+0xee/0x170
[ 1417.476852][   T10]      __sys_sendmsg+0xcd/0x170
[ 1417.476852][   T10]      do_syscall_64+0xc6/0x1e0
[ 1417.476852][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1417.476852][   T10] 
[ 1417.478565][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1417.478839][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1417.478839][   T10]      netdev_get_by_index+0x5e/0x80
[ 1417.478839][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1417.478839][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1417.478839][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1417.478839][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1417.478839][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1417.478839][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1417.478839][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1417.478839][   T10]      addrconf_dad_begin+0x310/0x670
[ 1417.478839][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1417.478839][   T10]      process_one_work+0x84d/0x18a0
[ 1417.478839][   T10]      worker_thread+0x587/0xd30
[ 1417.478839][   T10]      kthread+0x28a/0x350
[ 1417.478839][   T10]      ret_from_fork+0x31/0x70
[ 1417.478839][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1417.478839][   T10] 
[ 1417.480767][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1417.480767][   T10]      netdev_get_by_index+0x5e/0x80
[ 1417.480767][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1417.480767][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1417.480767][   T10]      ip6_route_add+0x1c/0x140
[ 1417.480767][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1417.480767][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1417.480767][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1417.480767][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1417.480767][   T10]      netlink_rcv_skb+0x130/0x360
[ 1417.480767][   T10]      netlink_unicast+0x449/0x710
[ 1417.480767][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1417.480767][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1417.480767][   T10]      ___sys_sendmsg+0xee/0x170
[ 1417.480767][   T10]      __sys_sendmsg+0xcd/0x170
[ 1417.480767][   T10]      do_syscall_64+0xc6/0x1e0
[ 1417.480767][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1417.480767][   T10] 
[ 1417.482811][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1417.482811][   T10]      netdev_get_by_index+0x5e/0x80
[ 1417.482811][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1417.482811][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1417.482811][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1417.482811][   T10]      ipv6_add_addr+0x411/0x2000
[ 1417.482811][   T10]      inet6_addr_add+0x30e/0xa40
[ 1417.482811][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1417.482811][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1417.482811][   T10]      netlink_rcv_skb+0x130/0x360
[ 1417.482811][   T10]      netlink_unicast+0x449/0x710
[ 1417.482811][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1417.482811][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1417.482811][   T10]      ___sys_sendmsg+0xee/0x170
[ 1417.482811][   T10]      __sys_sendmsg+0xcd/0x170
[ 1417.482811][   T10]      do_syscall_64+0xc6/0x1e0
[ 1417.482811][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1417.482811][   T10] 
[ 1417.484886][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1417.484886][   T10]      netdev_get_by_index+0x5e/0x80
[ 1417.484886][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1417.484886][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1417.484886][   T10]      ip6_route_add+0x1c/0x140
[ 1417.484886][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1417.484886][   T10]      addrconf_add_dev+0xe2/0x170
[ 1417.484886][   T10]      inet6_addr_add+0x12f/0xa40
[ 1417.484886][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1417.484886][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1417.484886][   T10]      netlink_rcv_skb+0x130/0x360
[ 1417.484886][   T10]      netlink_unicast+0x449/0x710
[ 1417.484886][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1417.484886][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1417.484886][   T10]      ___sys_sendmsg+0xee/0x170
[ 1417.484886][   T10]      __sys_sendmsg+0xcd/0x170
[ 1417.484886][   T10]      do_syscall_64+0xc6/0x1e0
[ 1417.484886][   T10] 
[ 1417.486929][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1417.486929][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1417.486929][   T10]      ipv6_find_idev+0x102/0x170
[ 1417.486929][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1417.486929][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1417.486929][   T10]      netlink_rcv_skb+0x130/0x360
[ 1417.486929][   T10]      netlink_unicast+0x449/0x710
[ 1417.486929][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1417.486929][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1417.486929][   T10]      ___sys_sendmsg+0xee/0x170
[ 1417.486929][   T10]      __sys_sendmsg+0xcd/0x170
[ 1417.486929][   T10]      do_syscall_64+0xc6/0x1e0
[ 1417.486929][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1417.486929][   T10] 
[ 1417.488514][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1417.488514][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1417.488514][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1417.488514][   T10]      ipv6_find_idev+0x102/0x170
[ 1417.488514][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1417.488514][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1417.488514][   T10]      netlink_rcv_skb+0x130/0x360
[ 1417.488514][   T10]      netlink_unicast+0x449/0x710
[ 1417.488514][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1417.488514][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1417.488514][   T10]      ___sys_sendmsg+0xee/0x170
[ 1417.488514][   T10]      __sys_sendmsg+0xcd/0x170
[ 1417.488514][   T10]      do_syscall_64+0xc6/0x1e0
[ 1417.488514][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1417.488514][   T10] 
[ 1427.728779][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1427.729196][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1427.729196][   T10]      netdev_get_by_index+0x5e/0x80
[ 1427.729196][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1427.729196][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1427.729196][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1427.729196][   T10]      ipv6_add_addr+0x411/0x2000
[ 1427.729196][   T10]      inet6_addr_add+0x30e/0xa40
[ 1427.729196][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1427.729196][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1427.729196][   T10]      netlink_rcv_skb+0x130/0x360
[ 1427.729196][   T10]      netlink_unicast+0x449/0x710
[ 1427.729196][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1427.729196][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1427.729196][   T10]      ___sys_sendmsg+0xee/0x170
[ 1427.729196][   T10]      __sys_sendmsg+0xcd/0x170
[ 1427.729196][   T10]      do_syscall_64+0xc6/0x1e0
[ 1427.729196][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1427.729196][   T10] 
[ 1427.731295][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1427.731295][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1427.731295][   T10]      ipv6_find_idev+0x102/0x170
[ 1427.731295][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1427.731295][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1427.731295][   T10]      netlink_rcv_skb+0x130/0x360
[ 1427.731295][   T10]      netlink_unicast+0x449/0x710
[ 1427.731295][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1427.731295][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1427.731295][   T10]      ___sys_sendmsg+0xee/0x170
[ 1427.731295][   T10]      __sys_sendmsg+0xcd/0x170
[ 1427.731295][   T10]      do_syscall_64+0xc6/0x1e0
[ 1427.731295][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1427.731295][   T10] 
[ 1427.732890][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1427.732890][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1427.732890][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1427.732890][   T10]      ipv6_find_idev+0x102/0x170
[ 1427.732890][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1427.732890][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1427.732890][   T10]      netlink_rcv_skb+0x130/0x360
[ 1427.732890][   T10]      netlink_unicast+0x449/0x710
[ 1427.732890][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1427.732890][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1427.732890][   T10]      ___sys_sendmsg+0xee/0x170
[ 1427.732890][   T10]      __sys_sendmsg+0xcd/0x170
[ 1427.732890][   T10]      do_syscall_64+0xc6/0x1e0
[ 1427.732890][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1427.732890][   T10] 
[ 1427.734656][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1427.734917][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1427.734917][   T10]      netdev_get_by_index+0x5e/0x80
[ 1427.734917][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1427.734917][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1427.734917][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1427.734917][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1427.734917][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1427.734917][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1427.734917][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1427.734917][   T10]      addrconf_dad_begin+0x310/0x670
[ 1427.734917][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1427.734917][   T10]      process_one_work+0x84d/0x18a0
[ 1427.734917][   T10]      worker_thread+0x587/0xd30
[ 1427.734917][   T10]      kthread+0x28a/0x350
[ 1427.734917][   T10]      ret_from_fork+0x31/0x70
[ 1427.734917][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1427.734917][   T10] 
[ 1427.736888][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1427.736888][   T10]      netdev_get_by_index+0x5e/0x80
[ 1427.736888][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1427.736888][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1427.736888][   T10]      ip6_route_add+0x1c/0x140
[ 1427.736888][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1427.736888][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1427.736888][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1427.736888][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1427.736888][   T10]      netlink_rcv_skb+0x130/0x360
[ 1427.736888][   T10]      netlink_unicast+0x449/0x710
[ 1427.736888][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1427.736888][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1427.736888][   T10]      ___sys_sendmsg+0xee/0x170
[ 1427.736888][   T10]      __sys_sendmsg+0xcd/0x170
[ 1427.736888][   T10]      do_syscall_64+0xc6/0x1e0
[ 1427.736888][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1427.736888][   T10] 
[ 1427.738951][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1427.738951][   T10]      netdev_get_by_index+0x5e/0x80
[ 1427.738951][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1427.738951][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1427.738951][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1427.738951][   T10]      ipv6_add_addr+0x411/0x2000
[ 1427.738951][   T10]      inet6_addr_add+0x30e/0xa40
[ 1427.738951][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1427.738951][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1427.738951][   T10]      netlink_rcv_skb+0x130/0x360
[ 1427.738951][   T10]      netlink_unicast+0x449/0x710
[ 1427.738951][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1427.738951][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1427.738951][   T10]      ___sys_sendmsg+0xee/0x170
[ 1427.738951][   T10]      __sys_sendmsg+0xcd/0x170
[ 1427.738951][   T10]      do_syscall_64+0xc6/0x1e0
[ 1427.738951][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1427.738951][   T10] 
[ 1427.741003][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1427.741003][   T10]      netdev_get_by_index+0x5e/0x80
[ 1427.741003][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1427.741003][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1427.741003][   T10]      ip6_route_add+0x1c/0x140
[ 1427.741003][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1427.741003][   T10]      addrconf_add_dev+0xe2/0x170
[ 1427.741003][   T10]      inet6_addr_add+0x12f/0xa40
[ 1427.741003][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1427.741003][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1427.741003][   T10]      netlink_rcv_skb+0x130/0x360
[ 1427.741003][   T10]      netlink_unicast+0x449/0x710
[ 1427.741003][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1427.741003][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1427.741003][   T10]      ___sys_sendmsg+0xee/0x170
[ 1427.741003][   T10]      __sys_sendmsg+0xcd/0x170
[ 1427.741003][   T10]      do_syscall_64+0xc6/0x1e0
[ 1427.741003][   T10] 
[ 1427.743014][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1427.743014][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1427.743014][   T10]      ipv6_find_idev+0x102/0x170
[ 1427.743014][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1427.743014][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1427.743014][   T10]      netlink_rcv_skb+0x130/0x360
[ 1427.743014][   T10]      netlink_unicast+0x449/0x710
[ 1427.743014][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1427.743014][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1427.743014][   T10]      ___sys_sendmsg+0xee/0x170
[ 1427.743014][   T10]      __sys_sendmsg+0xcd/0x170
[ 1427.743014][   T10]      do_syscall_64+0xc6/0x1e0
[ 1427.743014][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1427.743014][   T10] 
[ 1427.744607][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1427.744607][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1427.744607][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1427.744607][   T10]      ipv6_find_idev+0x102/0x170
[ 1427.744607][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1427.744607][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1427.744607][   T10]      netlink_rcv_skb+0x130/0x360
[ 1427.744607][   T10]      netlink_unicast+0x449/0x710
[ 1427.744607][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1427.744607][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1427.744607][   T10]      ___sys_sendmsg+0xee/0x170
[ 1427.744607][   T10]      __sys_sendmsg+0xcd/0x170
[ 1427.744607][   T10]      do_syscall_64+0xc6/0x1e0
[ 1427.744607][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1427.744607][   T10] 
[ 1437.848773][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1437.849250][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1437.849250][   T10]      netdev_get_by_index+0x5e/0x80
[ 1437.849250][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1437.849250][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1437.849250][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1437.849250][   T10]      ipv6_add_addr+0x411/0x2000
[ 1437.849250][   T10]      inet6_addr_add+0x30e/0xa40
[ 1437.849250][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1437.849250][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1437.849250][   T10]      netlink_rcv_skb+0x130/0x360
[ 1437.849250][   T10]      netlink_unicast+0x449/0x710
[ 1437.849250][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1437.849250][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1437.849250][   T10]      ___sys_sendmsg+0xee/0x170
[ 1437.849250][   T10]      __sys_sendmsg+0xcd/0x170
[ 1437.849250][   T10]      do_syscall_64+0xc6/0x1e0
[ 1437.849250][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1437.849250][   T10] 
[ 1437.851318][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1437.851318][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1437.851318][   T10]      ipv6_find_idev+0x102/0x170
[ 1437.851318][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1437.851318][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1437.851318][   T10]      netlink_rcv_skb+0x130/0x360
[ 1437.851318][   T10]      netlink_unicast+0x449/0x710
[ 1437.851318][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1437.851318][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1437.851318][   T10]      ___sys_sendmsg+0xee/0x170
[ 1437.851318][   T10]      __sys_sendmsg+0xcd/0x170
[ 1437.851318][   T10]      do_syscall_64+0xc6/0x1e0
[ 1437.851318][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1437.851318][   T10] 
[ 1437.852898][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1437.852898][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1437.852898][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1437.852898][   T10]      ipv6_find_idev+0x102/0x170
[ 1437.852898][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1437.852898][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1437.852898][   T10]      netlink_rcv_skb+0x130/0x360
[ 1437.852898][   T10]      netlink_unicast+0x449/0x710
[ 1437.852898][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1437.852898][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1437.852898][   T10]      ___sys_sendmsg+0xee/0x170
[ 1437.852898][   T10]      __sys_sendmsg+0xcd/0x170
[ 1437.852898][   T10]      do_syscall_64+0xc6/0x1e0
[ 1437.852898][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1437.852898][   T10] 
[ 1437.854619][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1437.854896][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1437.854896][   T10]      netdev_get_by_index+0x5e/0x80
[ 1437.854896][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1437.854896][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1437.854896][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1437.854896][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1437.854896][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1437.854896][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1437.854896][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1437.854896][   T10]      addrconf_dad_begin+0x310/0x670
[ 1437.854896][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1437.854896][   T10]      process_one_work+0x84d/0x18a0
[ 1437.854896][   T10]      worker_thread+0x587/0xd30
[ 1437.854896][   T10]      kthread+0x28a/0x350
[ 1437.854896][   T10]      ret_from_fork+0x31/0x70
[ 1437.854896][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1437.854896][   T10] 
[ 1437.856820][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1437.856820][   T10]      netdev_get_by_index+0x5e/0x80
[ 1437.856820][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1437.856820][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1437.856820][   T10]      ip6_route_add+0x1c/0x140
[ 1437.856820][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1437.856820][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1437.856820][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1437.856820][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1437.856820][   T10]      netlink_rcv_skb+0x130/0x360
[ 1437.856820][   T10]      netlink_unicast+0x449/0x710
[ 1437.856820][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1437.856820][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1437.856820][   T10]      ___sys_sendmsg+0xee/0x170
[ 1437.856820][   T10]      __sys_sendmsg+0xcd/0x170
[ 1437.856820][   T10]      do_syscall_64+0xc6/0x1e0
[ 1437.856820][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1437.856820][   T10] 
[ 1437.858845][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1437.858845][   T10]      netdev_get_by_index+0x5e/0x80
[ 1437.858845][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1437.858845][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1437.858845][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1437.858845][   T10]      ipv6_add_addr+0x411/0x2000
[ 1437.858845][   T10]      inet6_addr_add+0x30e/0xa40
[ 1437.858845][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1437.858845][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1437.858845][   T10]      netlink_rcv_skb+0x130/0x360
[ 1437.858845][   T10]      netlink_unicast+0x449/0x710
[ 1437.858845][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1437.858845][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1437.858845][   T10]      ___sys_sendmsg+0xee/0x170
[ 1437.858845][   T10]      __sys_sendmsg+0xcd/0x170
[ 1437.858845][   T10]      do_syscall_64+0xc6/0x1e0
[ 1437.858845][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1437.858845][   T10] 
[ 1437.860870][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1437.860870][   T10]      netdev_get_by_index+0x5e/0x80
[ 1437.860870][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1437.860870][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1437.860870][   T10]      ip6_route_add+0x1c/0x140
[ 1437.860870][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1437.860870][   T10]      addrconf_add_dev+0xe2/0x170
[ 1437.860870][   T10]      inet6_addr_add+0x12f/0xa40
[ 1437.860870][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1437.860870][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1437.860870][   T10]      netlink_rcv_skb+0x130/0x360
[ 1437.860870][   T10]      netlink_unicast+0x449/0x710
[ 1437.860870][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1437.860870][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1437.860870][   T10]      ___sys_sendmsg+0xee/0x170
[ 1437.860870][   T10]      __sys_sendmsg+0xcd/0x170
[ 1437.860870][   T10]      do_syscall_64+0xc6/0x1e0
[ 1437.860870][   T10] 
[ 1437.862853][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1437.862853][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1437.862853][   T10]      ipv6_find_idev+0x102/0x170
[ 1437.862853][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1437.862853][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1437.862853][   T10]      netlink_rcv_skb+0x130/0x360
[ 1437.862853][   T10]      netlink_unicast+0x449/0x710
[ 1437.862853][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1437.862853][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1437.862853][   T10]      ___sys_sendmsg+0xee/0x170
[ 1437.862853][   T10]      __sys_sendmsg+0xcd/0x170
[ 1437.862853][   T10]      do_syscall_64+0xc6/0x1e0
[ 1437.862853][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1437.862853][   T10] 
[ 1437.864409][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1437.864409][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1437.864409][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1437.864409][   T10]      ipv6_find_idev+0x102/0x170
[ 1437.864409][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1437.864409][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1437.864409][   T10]      netlink_rcv_skb+0x130/0x360
[ 1437.864409][   T10]      netlink_unicast+0x449/0x710
[ 1437.864409][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1437.864409][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1437.864409][   T10]      ___sys_sendmsg+0xee/0x170
[ 1437.864409][   T10]      __sys_sendmsg+0xcd/0x170
[ 1437.864409][   T10]      do_syscall_64+0xc6/0x1e0
[ 1437.864409][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1437.864409][   T10] 
[ 1448.120737][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1448.121187][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1448.121187][   T10]      netdev_get_by_index+0x5e/0x80
[ 1448.121187][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1448.121187][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1448.121187][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1448.121187][   T10]      ipv6_add_addr+0x411/0x2000
[ 1448.121187][   T10]      inet6_addr_add+0x30e/0xa40
[ 1448.121187][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1448.121187][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1448.121187][   T10]      netlink_rcv_skb+0x130/0x360
[ 1448.121187][   T10]      netlink_unicast+0x449/0x710
[ 1448.121187][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1448.121187][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1448.121187][   T10]      ___sys_sendmsg+0xee/0x170
[ 1448.121187][   T10]      __sys_sendmsg+0xcd/0x170
[ 1448.121187][   T10]      do_syscall_64+0xc6/0x1e0
[ 1448.121187][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1448.121187][   T10] 
[ 1448.123271][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1448.123271][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1448.123271][   T10]      ipv6_find_idev+0x102/0x170
[ 1448.123271][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1448.123271][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1448.123271][   T10]      netlink_rcv_skb+0x130/0x360
[ 1448.123271][   T10]      netlink_unicast+0x449/0x710
[ 1448.123271][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1448.123271][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1448.123271][   T10]      ___sys_sendmsg+0xee/0x170
[ 1448.123271][   T10]      __sys_sendmsg+0xcd/0x170
[ 1448.123271][   T10]      do_syscall_64+0xc6/0x1e0
[ 1448.123271][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1448.123271][   T10] 
[ 1448.124838][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1448.124838][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1448.124838][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1448.124838][   T10]      ipv6_find_idev+0x102/0x170
[ 1448.124838][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1448.124838][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1448.124838][   T10]      netlink_rcv_skb+0x130/0x360
[ 1448.124838][   T10]      netlink_unicast+0x449/0x710
[ 1448.124838][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1448.124838][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1448.124838][   T10]      ___sys_sendmsg+0xee/0x170
[ 1448.124838][   T10]      __sys_sendmsg+0xcd/0x170
[ 1448.124838][   T10]      do_syscall_64+0xc6/0x1e0
[ 1448.124838][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1448.124838][   T10] 
[ 1448.126553][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1448.126819][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1448.126819][   T10]      netdev_get_by_index+0x5e/0x80
[ 1448.126819][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1448.126819][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1448.126819][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1448.126819][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1448.126819][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1448.126819][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1448.126819][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1448.126819][   T10]      addrconf_dad_begin+0x310/0x670
[ 1448.126819][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1448.126819][   T10]      process_one_work+0x84d/0x18a0
[ 1448.126819][   T10]      worker_thread+0x587/0xd30
[ 1448.126819][   T10]      kthread+0x28a/0x350
[ 1448.126819][   T10]      ret_from_fork+0x31/0x70
[ 1448.126819][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1448.126819][   T10] 
[ 1448.128731][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1448.128731][   T10]      netdev_get_by_index+0x5e/0x80
[ 1448.128731][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1448.128731][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1448.128731][   T10]      ip6_route_add+0x1c/0x140
[ 1448.128731][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1448.128731][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1448.128731][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1448.128731][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1448.128731][   T10]      netlink_rcv_skb+0x130/0x360
[ 1448.128731][   T10]      netlink_unicast+0x449/0x710
[ 1448.128731][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1448.128731][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1448.128731][   T10]      ___sys_sendmsg+0xee/0x170
[ 1448.128731][   T10]      __sys_sendmsg+0xcd/0x170
[ 1448.128731][   T10]      do_syscall_64+0xc6/0x1e0
[ 1448.128731][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1448.128731][   T10] 
[ 1448.130861][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1448.130861][   T10]      netdev_get_by_index+0x5e/0x80
[ 1448.130861][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1448.130861][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1448.130861][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1448.130861][   T10]      ipv6_add_addr+0x411/0x2000
[ 1448.130861][   T10]      inet6_addr_add+0x30e/0xa40
[ 1448.130861][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1448.130861][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1448.130861][   T10]      netlink_rcv_skb+0x130/0x360
[ 1448.130861][   T10]      netlink_unicast+0x449/0x710
[ 1448.130861][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1448.130861][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1448.130861][   T10]      ___sys_sendmsg+0xee/0x170
[ 1448.130861][   T10]      __sys_sendmsg+0xcd/0x170
[ 1448.130861][   T10]      do_syscall_64+0xc6/0x1e0
[ 1448.130861][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1448.130861][   T10] 
[ 1448.132905][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1448.132905][   T10]      netdev_get_by_index+0x5e/0x80
[ 1448.132905][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1448.132905][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1448.132905][   T10]      ip6_route_add+0x1c/0x140
[ 1448.132905][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1448.132905][   T10]      addrconf_add_dev+0xe2/0x170
[ 1448.132905][   T10]      inet6_addr_add+0x12f/0xa40
[ 1448.132905][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1448.132905][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1448.132905][   T10]      netlink_rcv_skb+0x130/0x360
[ 1448.132905][   T10]      netlink_unicast+0x449/0x710
[ 1448.132905][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1448.132905][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1448.132905][   T10]      ___sys_sendmsg+0xee/0x170
[ 1448.132905][   T10]      __sys_sendmsg+0xcd/0x170
[ 1448.132905][   T10]      do_syscall_64+0xc6/0x1e0
[ 1448.132905][   T10] 
[ 1448.134884][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1448.134884][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1448.134884][   T10]      ipv6_find_idev+0x102/0x170
[ 1448.134884][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1448.134884][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1448.134884][   T10]      netlink_rcv_skb+0x130/0x360
[ 1448.134884][   T10]      netlink_unicast+0x449/0x710
[ 1448.134884][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1448.134884][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1448.134884][   T10]      ___sys_sendmsg+0xee/0x170
[ 1448.134884][   T10]      __sys_sendmsg+0xcd/0x170
[ 1448.134884][   T10]      do_syscall_64+0xc6/0x1e0
[ 1448.134884][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1448.134884][   T10] 
[ 1448.136443][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1448.136443][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1448.136443][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1448.136443][   T10]      ipv6_find_idev+0x102/0x170
[ 1448.136443][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1448.136443][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1448.136443][   T10]      netlink_rcv_skb+0x130/0x360
[ 1448.136443][   T10]      netlink_unicast+0x449/0x710
[ 1448.136443][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1448.136443][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1448.136443][   T10]      ___sys_sendmsg+0xee/0x170
[ 1448.136443][   T10]      __sys_sendmsg+0xcd/0x170
[ 1448.136443][   T10]      do_syscall_64+0xc6/0x1e0
[ 1448.136443][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1448.136443][   T10] 
[ 1458.392739][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1458.393133][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1458.393133][   T10]      netdev_get_by_index+0x5e/0x80
[ 1458.393133][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1458.393133][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1458.393133][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1458.393133][   T10]      ipv6_add_addr+0x411/0x2000
[ 1458.393133][   T10]      inet6_addr_add+0x30e/0xa40
[ 1458.393133][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1458.393133][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1458.393133][   T10]      netlink_rcv_skb+0x130/0x360
[ 1458.393133][   T10]      netlink_unicast+0x449/0x710
[ 1458.393133][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1458.393133][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1458.393133][   T10]      ___sys_sendmsg+0xee/0x170
[ 1458.393133][   T10]      __sys_sendmsg+0xcd/0x170
[ 1458.393133][   T10]      do_syscall_64+0xc6/0x1e0
[ 1458.393133][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1458.393133][   T10] 
[ 1458.395212][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1458.395212][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1458.395212][   T10]      ipv6_find_idev+0x102/0x170
[ 1458.395212][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1458.395212][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1458.395212][   T10]      netlink_rcv_skb+0x130/0x360
[ 1458.395212][   T10]      netlink_unicast+0x449/0x710
[ 1458.395212][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1458.395212][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1458.395212][   T10]      ___sys_sendmsg+0xee/0x170
[ 1458.395212][   T10]      __sys_sendmsg+0xcd/0x170
[ 1458.395212][   T10]      do_syscall_64+0xc6/0x1e0
[ 1458.395212][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1458.395212][   T10] 
[ 1458.396794][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1458.396794][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1458.396794][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1458.396794][   T10]      ipv6_find_idev+0x102/0x170
[ 1458.396794][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1458.396794][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1458.396794][   T10]      netlink_rcv_skb+0x130/0x360
[ 1458.396794][   T10]      netlink_unicast+0x449/0x710
[ 1458.396794][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1458.396794][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1458.396794][   T10]      ___sys_sendmsg+0xee/0x170
[ 1458.396794][   T10]      __sys_sendmsg+0xcd/0x170
[ 1458.396794][   T10]      do_syscall_64+0xc6/0x1e0
[ 1458.396794][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1458.396794][   T10] 
[ 1458.398500][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1458.398769][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1458.398769][   T10]      netdev_get_by_index+0x5e/0x80
[ 1458.398769][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1458.398769][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1458.398769][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1458.398769][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1458.398769][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1458.398769][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1458.398769][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1458.398769][   T10]      addrconf_dad_begin+0x310/0x670
[ 1458.398769][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1458.398769][   T10]      process_one_work+0x84d/0x18a0
[ 1458.398769][   T10]      worker_thread+0x587/0xd30
[ 1458.398769][   T10]      kthread+0x28a/0x350
[ 1458.398769][   T10]      ret_from_fork+0x31/0x70
[ 1458.398769][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1458.398769][   T10] 
[ 1458.400676][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1458.400676][   T10]      netdev_get_by_index+0x5e/0x80
[ 1458.400676][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1458.400676][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1458.400676][   T10]      ip6_route_add+0x1c/0x140
[ 1458.400676][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1458.400676][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1458.400676][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1458.400676][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1458.400676][   T10]      netlink_rcv_skb+0x130/0x360
[ 1458.400676][   T10]      netlink_unicast+0x449/0x710
[ 1458.400676][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1458.400676][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1458.400676][   T10]      ___sys_sendmsg+0xee/0x170
[ 1458.400676][   T10]      __sys_sendmsg+0xcd/0x170
[ 1458.400676][   T10]      do_syscall_64+0xc6/0x1e0
[ 1458.400676][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1458.400676][   T10] 
[ 1458.402693][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1458.402693][   T10]      netdev_get_by_index+0x5e/0x80
[ 1458.402693][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1458.402693][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1458.402693][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1458.402693][   T10]      ipv6_add_addr+0x411/0x2000
[ 1458.402693][   T10]      inet6_addr_add+0x30e/0xa40
[ 1458.402693][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1458.402693][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1458.402693][   T10]      netlink_rcv_skb+0x130/0x360
[ 1458.402693][   T10]      netlink_unicast+0x449/0x710
[ 1458.402693][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1458.402693][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1458.402693][   T10]      ___sys_sendmsg+0xee/0x170
[ 1458.402693][   T10]      __sys_sendmsg+0xcd/0x170
[ 1458.402693][   T10]      do_syscall_64+0xc6/0x1e0
[ 1458.402693][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1458.402693][   T10] 
[ 1458.404717][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1458.404717][   T10]      netdev_get_by_index+0x5e/0x80
[ 1458.404717][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1458.404717][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1458.404717][   T10]      ip6_route_add+0x1c/0x140
[ 1458.404717][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1458.404717][   T10]      addrconf_add_dev+0xe2/0x170
[ 1458.404717][   T10]      inet6_addr_add+0x12f/0xa40
[ 1458.404717][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1458.404717][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1458.404717][   T10]      netlink_rcv_skb+0x130/0x360
[ 1458.404717][   T10]      netlink_unicast+0x449/0x710
[ 1458.404717][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1458.404717][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1458.404717][   T10]      ___sys_sendmsg+0xee/0x170
[ 1458.404717][   T10]      __sys_sendmsg+0xcd/0x170
[ 1458.404717][   T10]      do_syscall_64+0xc6/0x1e0
[ 1458.404717][   T10] 
[ 1458.406704][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1458.406704][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1458.406704][   T10]      ipv6_find_idev+0x102/0x170
[ 1458.406704][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1458.406704][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1458.406704][   T10]      netlink_rcv_skb+0x130/0x360
[ 1458.406704][   T10]      netlink_unicast+0x449/0x710
[ 1458.406704][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1458.406704][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1458.406704][   T10]      ___sys_sendmsg+0xee/0x170
[ 1458.406704][   T10]      __sys_sendmsg+0xcd/0x170
[ 1458.406704][   T10]      do_syscall_64+0xc6/0x1e0
[ 1458.406704][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1458.406704][   T10] 
[ 1458.408266][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1458.408266][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1458.408266][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1458.408266][   T10]      ipv6_find_idev+0x102/0x170
[ 1458.408266][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1458.408266][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1458.408266][   T10]      netlink_rcv_skb+0x130/0x360
[ 1458.408266][   T10]      netlink_unicast+0x449/0x710
[ 1458.408266][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1458.408266][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1458.408266][   T10]      ___sys_sendmsg+0xee/0x170
[ 1458.408266][   T10]      __sys_sendmsg+0xcd/0x170
[ 1458.408266][   T10]      do_syscall_64+0xc6/0x1e0
[ 1458.408266][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1458.408266][   T10] 
[ 1468.664741][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1468.665271][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1468.665271][   T10]      netdev_get_by_index+0x5e/0x80
[ 1468.665271][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1468.665271][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1468.665271][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1468.665271][   T10]      ipv6_add_addr+0x411/0x2000
[ 1468.665271][   T10]      inet6_addr_add+0x30e/0xa40
[ 1468.665271][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1468.665271][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1468.665271][   T10]      netlink_rcv_skb+0x130/0x360
[ 1468.665271][   T10]      netlink_unicast+0x449/0x710
[ 1468.665271][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1468.665271][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1468.665271][   T10]      ___sys_sendmsg+0xee/0x170
[ 1468.665271][   T10]      __sys_sendmsg+0xcd/0x170
[ 1468.665271][   T10]      do_syscall_64+0xc6/0x1e0
[ 1468.665271][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1468.665271][   T10] 
[ 1468.667344][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1468.667344][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1468.667344][   T10]      ipv6_find_idev+0x102/0x170
[ 1468.667344][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1468.667344][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1468.667344][   T10]      netlink_rcv_skb+0x130/0x360
[ 1468.667344][   T10]      netlink_unicast+0x449/0x710
[ 1468.667344][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1468.667344][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1468.667344][   T10]      ___sys_sendmsg+0xee/0x170
[ 1468.667344][   T10]      __sys_sendmsg+0xcd/0x170
[ 1468.667344][   T10]      do_syscall_64+0xc6/0x1e0
[ 1468.667344][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1468.667344][   T10] 
[ 1468.668908][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1468.668908][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1468.668908][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1468.668908][   T10]      ipv6_find_idev+0x102/0x170
[ 1468.668908][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1468.668908][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1468.668908][   T10]      netlink_rcv_skb+0x130/0x360
[ 1468.668908][   T10]      netlink_unicast+0x449/0x710
[ 1468.668908][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1468.668908][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1468.668908][   T10]      ___sys_sendmsg+0xee/0x170
[ 1468.668908][   T10]      __sys_sendmsg+0xcd/0x170
[ 1468.668908][   T10]      do_syscall_64+0xc6/0x1e0
[ 1468.668908][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1468.668908][   T10] 
[ 1468.670651][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1468.670907][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1468.670907][   T10]      netdev_get_by_index+0x5e/0x80
[ 1468.670907][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1468.670907][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1468.670907][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1468.670907][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1468.670907][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1468.670907][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1468.670907][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1468.670907][   T10]      addrconf_dad_begin+0x310/0x670
[ 1468.670907][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1468.670907][   T10]      process_one_work+0x84d/0x18a0
[ 1468.670907][   T10]      worker_thread+0x587/0xd30
[ 1468.670907][   T10]      kthread+0x28a/0x350
[ 1468.670907][   T10]      ret_from_fork+0x31/0x70
[ 1468.670907][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1468.670907][   T10] 
[ 1468.672820][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1468.672820][   T10]      netdev_get_by_index+0x5e/0x80
[ 1468.672820][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1468.672820][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1468.672820][   T10]      ip6_route_add+0x1c/0x140
[ 1468.672820][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1468.672820][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1468.672820][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1468.672820][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1468.672820][   T10]      netlink_rcv_skb+0x130/0x360
[ 1468.672820][   T10]      netlink_unicast+0x449/0x710
[ 1468.672820][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1468.672820][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1468.672820][   T10]      ___sys_sendmsg+0xee/0x170
[ 1468.672820][   T10]      __sys_sendmsg+0xcd/0x170
[ 1468.672820][   T10]      do_syscall_64+0xc6/0x1e0
[ 1468.672820][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1468.672820][   T10] 
[ 1468.674854][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1468.674854][   T10]      netdev_get_by_index+0x5e/0x80
[ 1468.674854][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1468.674854][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1468.674854][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1468.674854][   T10]      ipv6_add_addr+0x411/0x2000
[ 1468.674854][   T10]      inet6_addr_add+0x30e/0xa40
[ 1468.674854][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1468.674854][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1468.674854][   T10]      netlink_rcv_skb+0x130/0x360
[ 1468.674854][   T10]      netlink_unicast+0x449/0x710
[ 1468.674854][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1468.674854][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1468.674854][   T10]      ___sys_sendmsg+0xee/0x170
[ 1468.674854][   T10]      __sys_sendmsg+0xcd/0x170
[ 1468.674854][   T10]      do_syscall_64+0xc6/0x1e0
[ 1468.674854][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1468.674854][   T10] 
[ 1468.676898][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1468.676898][   T10]      netdev_get_by_index+0x5e/0x80
[ 1468.676898][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1468.676898][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1468.676898][   T10]      ip6_route_add+0x1c/0x140
[ 1468.676898][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1468.676898][   T10]      addrconf_add_dev+0xe2/0x170
[ 1468.676898][   T10]      inet6_addr_add+0x12f/0xa40
[ 1468.676898][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1468.676898][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1468.676898][   T10]      netlink_rcv_skb+0x130/0x360
[ 1468.676898][   T10]      netlink_unicast+0x449/0x710
[ 1468.676898][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1468.676898][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1468.676898][   T10]      ___sys_sendmsg+0xee/0x170
[ 1468.676898][   T10]      __sys_sendmsg+0xcd/0x170
[ 1468.676898][   T10]      do_syscall_64+0xc6/0x1e0
[ 1468.676898][   T10] 
[ 1468.678884][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1468.678884][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1468.678884][   T10]      ipv6_find_idev+0x102/0x170
[ 1468.678884][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1468.678884][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1468.678884][   T10]      netlink_rcv_skb+0x130/0x360
[ 1468.678884][   T10]      netlink_unicast+0x449/0x710
[ 1468.678884][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1468.678884][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1468.678884][   T10]      ___sys_sendmsg+0xee/0x170
[ 1468.678884][   T10]      __sys_sendmsg+0xcd/0x170
[ 1468.678884][   T10]      do_syscall_64+0xc6/0x1e0
[ 1468.678884][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1468.678884][   T10] 
[ 1468.680441][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1468.680441][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1468.680441][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1468.680441][   T10]      ipv6_find_idev+0x102/0x170
[ 1468.680441][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1468.680441][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1468.680441][   T10]      netlink_rcv_skb+0x130/0x360
[ 1468.680441][   T10]      netlink_unicast+0x449/0x710
[ 1468.680441][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1468.680441][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1468.680441][   T10]      ___sys_sendmsg+0xee/0x170
[ 1468.680441][   T10]      __sys_sendmsg+0xcd/0x170
[ 1468.680441][   T10]      do_syscall_64+0xc6/0x1e0
[ 1468.680441][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1468.680441][   T10] 
[ 1475.880765][   T42] INFO: task modprobe:8169 blocked for more than 368 seconds.
[ 1475.881108][   T42]       Not tainted 6.8.0-virtme #1
[ 1475.881239][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1475.881440][   T42] task:modprobe        state:D stack:25648 pid:8169  tgid:8169  ppid:39     flags:0x00004002
[ 1475.881723][   T42] Call Trace:
[ 1475.881826][   T42]  <TASK>
[ 1475.881905][   T42]  __schedule+0x705/0x1ac0
[ 1475.882050][   T42]  ? __pfx___schedule+0x10/0x10
[ 1475.882176][   T42]  ? schedule+0x1a5/0x210
[ 1475.882274][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1475.882408][   T42]  ? mark_lock+0x38/0x3e0
[ 1475.882503][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 1475.882649][   T42]  ? schedule+0x1a5/0x210
[ 1475.882749][   T42]  schedule+0xdf/0x210
[ 1475.882853][   T42]  schedule_preempt_disabled+0x15/0x30
[ 1475.882982][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[ 1475.883118][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 1475.883272][   T42]  ? kasan_save_stack+0x34/0x50
[ 1475.883398][   T42]  ? kasan_save_stack+0x24/0x50
[ 1475.883523][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1475.883673][   T42]  ? lock_acquire+0x1c1/0x220
[ 1475.883796][   T42]  ? register_pernet_subsys+0x1a/0x50
[ 1475.883931][   T42]  down_write+0x1c9/0x200
[ 1475.884032][   T42]  ? __pfx_down_write+0x10/0x10
[ 1475.884156][   T42]  ? __pfx___lock_release+0x10/0x10
[ 1475.884290][   T42]  ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables]
[ 1475.884494][   T42]  register_pernet_subsys+0x1a/0x50
[ 1475.884623][   T42]  nf_tables_module_init+0x17/0x100 [nf_tables]
[ 1475.884822][   T42]  do_one_initcall+0xc8/0x3f0
[ 1475.884953][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[ 1475.885084][   T42]  ? __create_object+0x5e/0xb0
[ 1475.885214][   T42]  ? kasan_unpoison+0x27/0x60
[ 1475.885350][   T42]  do_init_module+0x233/0x740
[ 1475.885486][   T42]  load_module+0x16b5/0x2350
[ 1475.885622][   T42]  ? __pfx_load_module+0x10/0x10
[ 1475.885767][   T42]  ? kernel_read_file+0x3d2/0x520
[ 1475.885906][   T42]  ? kernel_read_file+0x300/0x520
[ 1475.886051][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[ 1475.886183][   T42]  ? init_module_from_file+0xd2/0x130
[ 1475.886313][   T42]  init_module_from_file+0xd2/0x130
[ 1475.886439][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[ 1475.886595][   T42]  ? __lock_release+0x103/0x460
[ 1475.886728][   T42]  ? idempotent_init_module+0x32a/0x620
[ 1475.886864][   T42]  ? idempotent_init_module+0x32a/0x620
[ 1475.886989][   T42]  ? do_raw_spin_unlock+0x58/0x220
[ 1475.887123][   T42]  idempotent_init_module+0x342/0x620
[ 1475.887252][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 1475.887424][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 1475.887551][   T42]  do_syscall_64+0xc6/0x1e0
[ 1475.887691][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1475.887854][   T42] RIP: 0033:0x7f8894ecfe5d
[ 1475.887983][   T42] RSP: 002b:00007ffc02fe9148 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 1475.888170][   T42] RAX: ffffffffffffffda RBX: 0000561734795e90 RCX: 00007f8894ecfe5d
[ 1475.888360][   T42] RDX: 0000000000000000 RSI: 000056171fd7ca2a RDI: 0000000000000001
[ 1475.888542][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00005617347964f0
[ 1475.888756][   T42] R10: 0000000000000001 R11: 0000000000000246 R12: 000056171fd7ca2a
[ 1475.888940][   T42] R13: 0000561734795e40 R14: 0000561734796570 R15: 0000000000000000
[ 1475.889137][   T42]  </TASK>
[ 1475.889235][   T42] 
[ 1475.889235][   T42] Showing all locks held in the system:
[ 1475.889414][   T42] 3 locks held by kworker/u16:0/10:
[ 1475.889538][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1475.889809][   T42]  #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1475.890032][   T42]  #2: ffffffff9816a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[ 1475.890258][   T42] 2 locks held by kworker/u20:0/39:
[ 1475.890380][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1475.890638][   T42]  #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1475.890916][   T42] 1 lock held by khungtaskd/42:
[ 1475.891038][   T42]  #0: ffffffff979591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[ 1475.891268][   T42] 1 lock held by modprobe/8169:
[ 1475.891387][   T42]  #0: ffffffff9816a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[ 1475.891645][   T42] 
[ 1475.891707][   T42] =============================================
[ 1475.891707][   T42] 
[ 1478.936741][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1478.937179][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1478.937179][   T10]      netdev_get_by_index+0x5e/0x80
[ 1478.937179][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1478.937179][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1478.937179][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1478.937179][   T10]      ipv6_add_addr+0x411/0x2000
[ 1478.937179][   T10]      inet6_addr_add+0x30e/0xa40
[ 1478.937179][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1478.937179][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1478.937179][   T10]      netlink_rcv_skb+0x130/0x360
[ 1478.937179][   T10]      netlink_unicast+0x449/0x710
[ 1478.937179][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1478.937179][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1478.937179][   T10]      ___sys_sendmsg+0xee/0x170
[ 1478.937179][   T10]      __sys_sendmsg+0xcd/0x170
[ 1478.937179][   T10]      do_syscall_64+0xc6/0x1e0
[ 1478.937179][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1478.937179][   T10] 
[ 1478.939234][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1478.939234][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1478.939234][   T10]      ipv6_find_idev+0x102/0x170
[ 1478.939234][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1478.939234][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1478.939234][   T10]      netlink_rcv_skb+0x130/0x360
[ 1478.939234][   T10]      netlink_unicast+0x449/0x710
[ 1478.939234][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1478.939234][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1478.939234][   T10]      ___sys_sendmsg+0xee/0x170
[ 1478.939234][   T10]      __sys_sendmsg+0xcd/0x170
[ 1478.939234][   T10]      do_syscall_64+0xc6/0x1e0
[ 1478.939234][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1478.939234][   T10] 
[ 1478.940794][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1478.940794][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1478.940794][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1478.940794][   T10]      ipv6_find_idev+0x102/0x170
[ 1478.940794][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1478.940794][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1478.940794][   T10]      netlink_rcv_skb+0x130/0x360
[ 1478.940794][   T10]      netlink_unicast+0x449/0x710
[ 1478.940794][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1478.940794][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1478.940794][   T10]      ___sys_sendmsg+0xee/0x170
[ 1478.940794][   T10]      __sys_sendmsg+0xcd/0x170
[ 1478.940794][   T10]      do_syscall_64+0xc6/0x1e0
[ 1478.940794][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1478.940794][   T10] 
[ 1478.942498][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1478.942773][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1478.942773][   T10]      netdev_get_by_index+0x5e/0x80
[ 1478.942773][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1478.942773][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1478.942773][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1478.942773][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1478.942773][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1478.942773][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1478.942773][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1478.942773][   T10]      addrconf_dad_begin+0x310/0x670
[ 1478.942773][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1478.942773][   T10]      process_one_work+0x84d/0x18a0
[ 1478.942773][   T10]      worker_thread+0x587/0xd30
[ 1478.942773][   T10]      kthread+0x28a/0x350
[ 1478.942773][   T10]      ret_from_fork+0x31/0x70
[ 1478.942773][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1478.942773][   T10] 
[ 1478.944675][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1478.944675][   T10]      netdev_get_by_index+0x5e/0x80
[ 1478.944675][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1478.944675][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1478.944675][   T10]      ip6_route_add+0x1c/0x140
[ 1478.944675][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1478.944675][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1478.944675][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1478.944675][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1478.944675][   T10]      netlink_rcv_skb+0x130/0x360
[ 1478.944675][   T10]      netlink_unicast+0x449/0x710
[ 1478.944675][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1478.944675][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1478.944675][   T10]      ___sys_sendmsg+0xee/0x170
[ 1478.944675][   T10]      __sys_sendmsg+0xcd/0x170
[ 1478.944675][   T10]      do_syscall_64+0xc6/0x1e0
[ 1478.944675][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1478.944675][   T10] 
[ 1478.946710][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1478.946710][   T10]      netdev_get_by_index+0x5e/0x80
[ 1478.946710][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1478.946710][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1478.946710][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1478.946710][   T10]      ipv6_add_addr+0x411/0x2000
[ 1478.946710][   T10]      inet6_addr_add+0x30e/0xa40
[ 1478.946710][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1478.946710][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1478.946710][   T10]      netlink_rcv_skb+0x130/0x360
[ 1478.946710][   T10]      netlink_unicast+0x449/0x710
[ 1478.946710][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1478.946710][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1478.946710][   T10]      ___sys_sendmsg+0xee/0x170
[ 1478.946710][   T10]      __sys_sendmsg+0xcd/0x170
[ 1478.946710][   T10]      do_syscall_64+0xc6/0x1e0
[ 1478.946710][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1478.946710][   T10] 
[ 1478.948738][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1478.948738][   T10]      netdev_get_by_index+0x5e/0x80
[ 1478.948738][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1478.948738][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1478.948738][   T10]      ip6_route_add+0x1c/0x140
[ 1478.948738][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1478.948738][   T10]      addrconf_add_dev+0xe2/0x170
[ 1478.948738][   T10]      inet6_addr_add+0x12f/0xa40
[ 1478.948738][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1478.948738][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1478.948738][   T10]      netlink_rcv_skb+0x130/0x360
[ 1478.948738][   T10]      netlink_unicast+0x449/0x710
[ 1478.948738][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1478.948738][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1478.948738][   T10]      ___sys_sendmsg+0xee/0x170
[ 1478.948738][   T10]      __sys_sendmsg+0xcd/0x170
[ 1478.948738][   T10]      do_syscall_64+0xc6/0x1e0
[ 1478.948738][   T10] 
[ 1478.950753][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1478.950753][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1478.950753][   T10]      ipv6_find_idev+0x102/0x170
[ 1478.950753][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1478.950753][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1478.950753][   T10]      netlink_rcv_skb+0x130/0x360
[ 1478.950753][   T10]      netlink_unicast+0x449/0x710
[ 1478.950753][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1478.950753][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1478.950753][   T10]      ___sys_sendmsg+0xee/0x170
[ 1478.950753][   T10]      __sys_sendmsg+0xcd/0x170
[ 1478.950753][   T10]      do_syscall_64+0xc6/0x1e0
[ 1478.950753][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1478.950753][   T10] 
[ 1478.952310][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1478.952310][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1478.952310][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1478.952310][   T10]      ipv6_find_idev+0x102/0x170
[ 1478.952310][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1478.952310][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1478.952310][   T10]      netlink_rcv_skb+0x130/0x360
[ 1478.952310][   T10]      netlink_unicast+0x449/0x710
[ 1478.952310][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1478.952310][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1478.952310][   T10]      ___sys_sendmsg+0xee/0x170
[ 1478.952310][   T10]      __sys_sendmsg+0xcd/0x170
[ 1478.952310][   T10]      do_syscall_64+0xc6/0x1e0
[ 1478.952310][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1478.952310][   T10] 
[ 1489.208743][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1489.209209][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1489.209209][   T10]      netdev_get_by_index+0x5e/0x80
[ 1489.209209][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1489.209209][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1489.209209][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1489.209209][   T10]      ipv6_add_addr+0x411/0x2000
[ 1489.209209][   T10]      inet6_addr_add+0x30e/0xa40
[ 1489.209209][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1489.209209][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1489.209209][   T10]      netlink_rcv_skb+0x130/0x360
[ 1489.209209][   T10]      netlink_unicast+0x449/0x710
[ 1489.209209][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1489.209209][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1489.209209][   T10]      ___sys_sendmsg+0xee/0x170
[ 1489.209209][   T10]      __sys_sendmsg+0xcd/0x170
[ 1489.209209][   T10]      do_syscall_64+0xc6/0x1e0
[ 1489.209209][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1489.209209][   T10] 
[ 1489.211261][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1489.211261][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1489.211261][   T10]      ipv6_find_idev+0x102/0x170
[ 1489.211261][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1489.211261][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1489.211261][   T10]      netlink_rcv_skb+0x130/0x360
[ 1489.211261][   T10]      netlink_unicast+0x449/0x710
[ 1489.211261][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1489.211261][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1489.211261][   T10]      ___sys_sendmsg+0xee/0x170
[ 1489.211261][   T10]      __sys_sendmsg+0xcd/0x170
[ 1489.211261][   T10]      do_syscall_64+0xc6/0x1e0
[ 1489.211261][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1489.211261][   T10] 
[ 1489.212823][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1489.212823][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1489.212823][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1489.212823][   T10]      ipv6_find_idev+0x102/0x170
[ 1489.212823][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1489.212823][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1489.212823][   T10]      netlink_rcv_skb+0x130/0x360
[ 1489.212823][   T10]      netlink_unicast+0x449/0x710
[ 1489.212823][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1489.212823][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1489.212823][   T10]      ___sys_sendmsg+0xee/0x170
[ 1489.212823][   T10]      __sys_sendmsg+0xcd/0x170
[ 1489.212823][   T10]      do_syscall_64+0xc6/0x1e0
[ 1489.212823][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1489.212823][   T10] 
[ 1489.214545][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1489.214826][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1489.214826][   T10]      netdev_get_by_index+0x5e/0x80
[ 1489.214826][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1489.214826][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1489.214826][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1489.214826][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1489.214826][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1489.214826][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1489.214826][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1489.214826][   T10]      addrconf_dad_begin+0x310/0x670
[ 1489.214826][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1489.214826][   T10]      process_one_work+0x84d/0x18a0
[ 1489.214826][   T10]      worker_thread+0x587/0xd30
[ 1489.214826][   T10]      kthread+0x28a/0x350
[ 1489.214826][   T10]      ret_from_fork+0x31/0x70
[ 1489.214826][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1489.214826][   T10] 
[ 1489.216751][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1489.216751][   T10]      netdev_get_by_index+0x5e/0x80
[ 1489.216751][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1489.216751][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1489.216751][   T10]      ip6_route_add+0x1c/0x140
[ 1489.216751][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1489.216751][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1489.216751][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1489.216751][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1489.216751][   T10]      netlink_rcv_skb+0x130/0x360
[ 1489.216751][   T10]      netlink_unicast+0x449/0x710
[ 1489.216751][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1489.216751][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1489.216751][   T10]      ___sys_sendmsg+0xee/0x170
[ 1489.216751][   T10]      __sys_sendmsg+0xcd/0x170
[ 1489.216751][   T10]      do_syscall_64+0xc6/0x1e0
[ 1489.216751][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1489.216751][   T10] 
[ 1489.218769][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1489.218769][   T10]      netdev_get_by_index+0x5e/0x80
[ 1489.218769][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1489.218769][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1489.218769][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1489.218769][   T10]      ipv6_add_addr+0x411/0x2000
[ 1489.218769][   T10]      inet6_addr_add+0x30e/0xa40
[ 1489.218769][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1489.218769][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1489.218769][   T10]      netlink_rcv_skb+0x130/0x360
[ 1489.218769][   T10]      netlink_unicast+0x449/0x710
[ 1489.218769][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1489.218769][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1489.218769][   T10]      ___sys_sendmsg+0xee/0x170
[ 1489.218769][   T10]      __sys_sendmsg+0xcd/0x170
[ 1489.218769][   T10]      do_syscall_64+0xc6/0x1e0
[ 1489.218769][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1489.218769][   T10] 
[ 1489.220787][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1489.220787][   T10]      netdev_get_by_index+0x5e/0x80
[ 1489.220787][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1489.220787][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1489.220787][   T10]      ip6_route_add+0x1c/0x140
[ 1489.220787][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1489.220787][   T10]      addrconf_add_dev+0xe2/0x170
[ 1489.220787][   T10]      inet6_addr_add+0x12f/0xa40
[ 1489.220787][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1489.220787][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1489.220787][   T10]      netlink_rcv_skb+0x130/0x360
[ 1489.220787][   T10]      netlink_unicast+0x449/0x710
[ 1489.220787][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1489.220787][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1489.220787][   T10]      ___sys_sendmsg+0xee/0x170
[ 1489.220787][   T10]      __sys_sendmsg+0xcd/0x170
[ 1489.220787][   T10]      do_syscall_64+0xc6/0x1e0
[ 1489.220787][   T10] 
[ 1489.222772][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1489.222772][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1489.222772][   T10]      ipv6_find_idev+0x102/0x170
[ 1489.222772][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1489.222772][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1489.222772][   T10]      netlink_rcv_skb+0x130/0x360
[ 1489.222772][   T10]      netlink_unicast+0x449/0x710
[ 1489.222772][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1489.222772][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1489.222772][   T10]      ___sys_sendmsg+0xee/0x170
[ 1489.222772][   T10]      __sys_sendmsg+0xcd/0x170
[ 1489.222772][   T10]      do_syscall_64+0xc6/0x1e0
[ 1489.222772][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1489.222772][   T10] 
[ 1489.224327][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1489.224327][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1489.224327][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1489.224327][   T10]      ipv6_find_idev+0x102/0x170
[ 1489.224327][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1489.224327][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1489.224327][   T10]      netlink_rcv_skb+0x130/0x360
[ 1489.224327][   T10]      netlink_unicast+0x449/0x710
[ 1489.224327][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1489.224327][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1489.224327][   T10]      ___sys_sendmsg+0xee/0x170
[ 1489.224327][   T10]      __sys_sendmsg+0xcd/0x170
[ 1489.224327][   T10]      do_syscall_64+0xc6/0x1e0
[ 1489.224327][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1489.224327][   T10] 
[ 1499.480742][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1499.481207][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1499.481207][   T10]      netdev_get_by_index+0x5e/0x80
[ 1499.481207][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1499.481207][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1499.481207][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1499.481207][   T10]      ipv6_add_addr+0x411/0x2000
[ 1499.481207][   T10]      inet6_addr_add+0x30e/0xa40
[ 1499.481207][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1499.481207][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1499.481207][   T10]      netlink_rcv_skb+0x130/0x360
[ 1499.481207][   T10]      netlink_unicast+0x449/0x710
[ 1499.481207][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1499.481207][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1499.481207][   T10]      ___sys_sendmsg+0xee/0x170
[ 1499.481207][   T10]      __sys_sendmsg+0xcd/0x170
[ 1499.481207][   T10]      do_syscall_64+0xc6/0x1e0
[ 1499.481207][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1499.481207][   T10] 
[ 1499.483281][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1499.483281][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1499.483281][   T10]      ipv6_find_idev+0x102/0x170
[ 1499.483281][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1499.483281][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1499.483281][   T10]      netlink_rcv_skb+0x130/0x360
[ 1499.483281][   T10]      netlink_unicast+0x449/0x710
[ 1499.483281][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1499.483281][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1499.483281][   T10]      ___sys_sendmsg+0xee/0x170
[ 1499.483281][   T10]      __sys_sendmsg+0xcd/0x170
[ 1499.483281][   T10]      do_syscall_64+0xc6/0x1e0
[ 1499.483281][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1499.483281][   T10] 
[ 1499.484847][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1499.484847][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1499.484847][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1499.484847][   T10]      ipv6_find_idev+0x102/0x170
[ 1499.484847][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1499.484847][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1499.484847][   T10]      netlink_rcv_skb+0x130/0x360
[ 1499.484847][   T10]      netlink_unicast+0x449/0x710
[ 1499.484847][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1499.484847][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1499.484847][   T10]      ___sys_sendmsg+0xee/0x170
[ 1499.484847][   T10]      __sys_sendmsg+0xcd/0x170
[ 1499.484847][   T10]      do_syscall_64+0xc6/0x1e0
[ 1499.484847][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1499.484847][   T10] 
[ 1499.486575][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1499.486851][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1499.486851][   T10]      netdev_get_by_index+0x5e/0x80
[ 1499.486851][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1499.486851][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1499.486851][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1499.486851][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1499.486851][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1499.486851][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1499.486851][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1499.486851][   T10]      addrconf_dad_begin+0x310/0x670
[ 1499.486851][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1499.486851][   T10]      process_one_work+0x84d/0x18a0
[ 1499.486851][   T10]      worker_thread+0x587/0xd30
[ 1499.486851][   T10]      kthread+0x28a/0x350
[ 1499.486851][   T10]      ret_from_fork+0x31/0x70
[ 1499.486851][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1499.486851][   T10] 
[ 1499.488758][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1499.488758][   T10]      netdev_get_by_index+0x5e/0x80
[ 1499.488758][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1499.488758][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1499.488758][   T10]      ip6_route_add+0x1c/0x140
[ 1499.488758][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1499.488758][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1499.488758][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1499.488758][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1499.488758][   T10]      netlink_rcv_skb+0x130/0x360
[ 1499.488758][   T10]      netlink_unicast+0x449/0x710
[ 1499.488758][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1499.488758][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1499.488758][   T10]      ___sys_sendmsg+0xee/0x170
[ 1499.488758][   T10]      __sys_sendmsg+0xcd/0x170
[ 1499.488758][   T10]      do_syscall_64+0xc6/0x1e0
[ 1499.488758][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1499.488758][   T10] 
[ 1499.490793][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1499.490793][   T10]      netdev_get_by_index+0x5e/0x80
[ 1499.490793][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1499.490793][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1499.490793][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1499.490793][   T10]      ipv6_add_addr+0x411/0x2000
[ 1499.490793][   T10]      inet6_addr_add+0x30e/0xa40
[ 1499.490793][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1499.490793][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1499.490793][   T10]      netlink_rcv_skb+0x130/0x360
[ 1499.490793][   T10]      netlink_unicast+0x449/0x710
[ 1499.490793][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1499.490793][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1499.490793][   T10]      ___sys_sendmsg+0xee/0x170
[ 1499.490793][   T10]      __sys_sendmsg+0xcd/0x170
[ 1499.490793][   T10]      do_syscall_64+0xc6/0x1e0
[ 1499.490793][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1499.490793][   T10] 
[ 1499.492828][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1499.492828][   T10]      netdev_get_by_index+0x5e/0x80
[ 1499.492828][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1499.492828][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1499.492828][   T10]      ip6_route_add+0x1c/0x140
[ 1499.492828][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1499.492828][   T10]      addrconf_add_dev+0xe2/0x170
[ 1499.492828][   T10]      inet6_addr_add+0x12f/0xa40
[ 1499.492828][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1499.492828][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1499.492828][   T10]      netlink_rcv_skb+0x130/0x360
[ 1499.492828][   T10]      netlink_unicast+0x449/0x710
[ 1499.492828][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1499.492828][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1499.492828][   T10]      ___sys_sendmsg+0xee/0x170
[ 1499.492828][   T10]      __sys_sendmsg+0xcd/0x170
[ 1499.492828][   T10]      do_syscall_64+0xc6/0x1e0
[ 1499.492828][   T10] 
[ 1499.494831][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1499.494831][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1499.494831][   T10]      ipv6_find_idev+0x102/0x170
[ 1499.494831][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1499.494831][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1499.494831][   T10]      netlink_rcv_skb+0x130/0x360
[ 1499.494831][   T10]      netlink_unicast+0x449/0x710
[ 1499.494831][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1499.494831][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1499.494831][   T10]      ___sys_sendmsg+0xee/0x170
[ 1499.494831][   T10]      __sys_sendmsg+0xcd/0x170
[ 1499.494831][   T10]      do_syscall_64+0xc6/0x1e0
[ 1499.494831][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1499.494831][   T10] 
[ 1499.496386][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1499.496386][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1499.496386][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1499.496386][   T10]      ipv6_find_idev+0x102/0x170
[ 1499.496386][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1499.496386][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1499.496386][   T10]      netlink_rcv_skb+0x130/0x360
[ 1499.496386][   T10]      netlink_unicast+0x449/0x710
[ 1499.496386][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1499.496386][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1499.496386][   T10]      ___sys_sendmsg+0xee/0x170
[ 1499.496386][   T10]      __sys_sendmsg+0xcd/0x170
[ 1499.496386][   T10]      do_syscall_64+0xc6/0x1e0
[ 1499.496386][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1499.496386][   T10] 
[ 1509.752743][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1509.753201][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1509.753201][   T10]      netdev_get_by_index+0x5e/0x80
[ 1509.753201][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1509.753201][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1509.753201][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1509.753201][   T10]      ipv6_add_addr+0x411/0x2000
[ 1509.753201][   T10]      inet6_addr_add+0x30e/0xa40
[ 1509.753201][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1509.753201][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1509.753201][   T10]      netlink_rcv_skb+0x130/0x360
[ 1509.753201][   T10]      netlink_unicast+0x449/0x710
[ 1509.753201][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1509.753201][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1509.753201][   T10]      ___sys_sendmsg+0xee/0x170
[ 1509.753201][   T10]      __sys_sendmsg+0xcd/0x170
[ 1509.753201][   T10]      do_syscall_64+0xc6/0x1e0
[ 1509.753201][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1509.753201][   T10] 
[ 1509.755275][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1509.755275][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1509.755275][   T10]      ipv6_find_idev+0x102/0x170
[ 1509.755275][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1509.755275][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1509.755275][   T10]      netlink_rcv_skb+0x130/0x360
[ 1509.755275][   T10]      netlink_unicast+0x449/0x710
[ 1509.755275][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1509.755275][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1509.755275][   T10]      ___sys_sendmsg+0xee/0x170
[ 1509.755275][   T10]      __sys_sendmsg+0xcd/0x170
[ 1509.755275][   T10]      do_syscall_64+0xc6/0x1e0
[ 1509.755275][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1509.755275][   T10] 
[ 1509.756861][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1509.756861][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1509.756861][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1509.756861][   T10]      ipv6_find_idev+0x102/0x170
[ 1509.756861][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1509.756861][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1509.756861][   T10]      netlink_rcv_skb+0x130/0x360
[ 1509.756861][   T10]      netlink_unicast+0x449/0x710
[ 1509.756861][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1509.756861][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1509.756861][   T10]      ___sys_sendmsg+0xee/0x170
[ 1509.756861][   T10]      __sys_sendmsg+0xcd/0x170
[ 1509.756861][   T10]      do_syscall_64+0xc6/0x1e0
[ 1509.756861][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1509.756861][   T10] 
[ 1509.758567][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1509.758839][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1509.758839][   T10]      netdev_get_by_index+0x5e/0x80
[ 1509.758839][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1509.758839][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1509.758839][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1509.758839][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1509.758839][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1509.758839][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1509.758839][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1509.758839][   T10]      addrconf_dad_begin+0x310/0x670
[ 1509.758839][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1509.758839][   T10]      process_one_work+0x84d/0x18a0
[ 1509.758839][   T10]      worker_thread+0x587/0xd30
[ 1509.758839][   T10]      kthread+0x28a/0x350
[ 1509.758839][   T10]      ret_from_fork+0x31/0x70
[ 1509.758839][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1509.758839][   T10] 
[ 1509.760747][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1509.760747][   T10]      netdev_get_by_index+0x5e/0x80
[ 1509.760747][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1509.760747][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1509.760747][   T10]      ip6_route_add+0x1c/0x140
[ 1509.760747][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1509.760747][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1509.760747][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1509.760747][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1509.760747][   T10]      netlink_rcv_skb+0x130/0x360
[ 1509.760747][   T10]      netlink_unicast+0x449/0x710
[ 1509.760747][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1509.760747][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1509.760747][   T10]      ___sys_sendmsg+0xee/0x170
[ 1509.760747][   T10]      __sys_sendmsg+0xcd/0x170
[ 1509.760747][   T10]      do_syscall_64+0xc6/0x1e0
[ 1509.760747][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1509.760747][   T10] 
[ 1509.762776][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1509.762776][   T10]      netdev_get_by_index+0x5e/0x80
[ 1509.762776][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1509.762776][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1509.762776][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1509.762776][   T10]      ipv6_add_addr+0x411/0x2000
[ 1509.762776][   T10]      inet6_addr_add+0x30e/0xa40
[ 1509.762776][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1509.762776][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1509.762776][   T10]      netlink_rcv_skb+0x130/0x360
[ 1509.762776][   T10]      netlink_unicast+0x449/0x710
[ 1509.762776][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1509.762776][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1509.762776][   T10]      ___sys_sendmsg+0xee/0x170
[ 1509.762776][   T10]      __sys_sendmsg+0xcd/0x170
[ 1509.762776][   T10]      do_syscall_64+0xc6/0x1e0
[ 1509.762776][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1509.762776][   T10] 
[ 1509.764801][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1509.764801][   T10]      netdev_get_by_index+0x5e/0x80
[ 1509.764801][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1509.764801][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1509.764801][   T10]      ip6_route_add+0x1c/0x140
[ 1509.764801][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1509.764801][   T10]      addrconf_add_dev+0xe2/0x170
[ 1509.764801][   T10]      inet6_addr_add+0x12f/0xa40
[ 1509.764801][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1509.764801][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1509.764801][   T10]      netlink_rcv_skb+0x130/0x360
[ 1509.764801][   T10]      netlink_unicast+0x449/0x710
[ 1509.764801][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1509.764801][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1509.764801][   T10]      ___sys_sendmsg+0xee/0x170
[ 1509.764801][   T10]      __sys_sendmsg+0xcd/0x170
[ 1509.764801][   T10]      do_syscall_64+0xc6/0x1e0
[ 1509.764801][   T10] 
[ 1509.766783][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1509.766783][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1509.766783][   T10]      ipv6_find_idev+0x102/0x170
[ 1509.766783][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1509.766783][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1509.766783][   T10]      netlink_rcv_skb+0x130/0x360
[ 1509.766783][   T10]      netlink_unicast+0x449/0x710
[ 1509.766783][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1509.766783][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1509.766783][   T10]      ___sys_sendmsg+0xee/0x170
[ 1509.766783][   T10]      __sys_sendmsg+0xcd/0x170
[ 1509.766783][   T10]      do_syscall_64+0xc6/0x1e0
[ 1509.766783][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1509.766783][   T10] 
[ 1509.768338][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1509.768338][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1509.768338][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1509.768338][   T10]      ipv6_find_idev+0x102/0x170
[ 1509.768338][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1509.768338][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1509.768338][   T10]      netlink_rcv_skb+0x130/0x360
[ 1509.768338][   T10]      netlink_unicast+0x449/0x710
[ 1509.768338][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1509.768338][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1509.768338][   T10]      ___sys_sendmsg+0xee/0x170
[ 1509.768338][   T10]      __sys_sendmsg+0xcd/0x170
[ 1509.768338][   T10]      do_syscall_64+0xc6/0x1e0
[ 1509.768338][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1509.768338][   T10] 
[ 1519.992735][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1519.993196][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1519.993196][   T10]      netdev_get_by_index+0x5e/0x80
[ 1519.993196][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1519.993196][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1519.993196][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1519.993196][   T10]      ipv6_add_addr+0x411/0x2000
[ 1519.993196][   T10]      inet6_addr_add+0x30e/0xa40
[ 1519.993196][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1519.993196][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1519.993196][   T10]      netlink_rcv_skb+0x130/0x360
[ 1519.993196][   T10]      netlink_unicast+0x449/0x710
[ 1519.993196][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1519.993196][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1519.993196][   T10]      ___sys_sendmsg+0xee/0x170
[ 1519.993196][   T10]      __sys_sendmsg+0xcd/0x170
[ 1519.993196][   T10]      do_syscall_64+0xc6/0x1e0
[ 1519.993196][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1519.993196][   T10] 
[ 1519.995245][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1519.995245][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1519.995245][   T10]      ipv6_find_idev+0x102/0x170
[ 1519.995245][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1519.995245][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1519.995245][   T10]      netlink_rcv_skb+0x130/0x360
[ 1519.995245][   T10]      netlink_unicast+0x449/0x710
[ 1519.995245][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1519.995245][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1519.995245][   T10]      ___sys_sendmsg+0xee/0x170
[ 1519.995245][   T10]      __sys_sendmsg+0xcd/0x170
[ 1519.995245][   T10]      do_syscall_64+0xc6/0x1e0
[ 1519.995245][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1519.995245][   T10] 
[ 1519.996820][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1519.996820][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1519.996820][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1519.996820][   T10]      ipv6_find_idev+0x102/0x170
[ 1519.996820][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1519.996820][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1519.996820][   T10]      netlink_rcv_skb+0x130/0x360
[ 1519.996820][   T10]      netlink_unicast+0x449/0x710
[ 1519.996820][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1519.996820][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1519.996820][   T10]      ___sys_sendmsg+0xee/0x170
[ 1519.996820][   T10]      __sys_sendmsg+0xcd/0x170
[ 1519.996820][   T10]      do_syscall_64+0xc6/0x1e0
[ 1519.996820][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1519.996820][   T10] 
[ 1519.998530][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1519.998806][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1519.998806][   T10]      netdev_get_by_index+0x5e/0x80
[ 1519.998806][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1519.998806][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1519.998806][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1519.998806][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1519.998806][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1519.998806][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1519.998806][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1519.998806][   T10]      addrconf_dad_begin+0x310/0x670
[ 1519.998806][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1519.998806][   T10]      process_one_work+0x84d/0x18a0
[ 1519.998806][   T10]      worker_thread+0x587/0xd30
[ 1519.998806][   T10]      kthread+0x28a/0x350
[ 1519.998806][   T10]      ret_from_fork+0x31/0x70
[ 1519.998806][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1519.998806][   T10] 
[ 1520.000717][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1520.000717][   T10]      netdev_get_by_index+0x5e/0x80
[ 1520.000717][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1520.000717][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1520.000717][   T10]      ip6_route_add+0x1c/0x140
[ 1520.000717][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1520.000717][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1520.000717][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1520.000717][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1520.000717][   T10]      netlink_rcv_skb+0x130/0x360
[ 1520.000717][   T10]      netlink_unicast+0x449/0x710
[ 1520.000717][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1520.000717][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1520.000717][   T10]      ___sys_sendmsg+0xee/0x170
[ 1520.000717][   T10]      __sys_sendmsg+0xcd/0x170
[ 1520.000717][   T10]      do_syscall_64+0xc6/0x1e0
[ 1520.000717][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1520.000717][   T10] 
[ 1520.002761][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1520.002761][   T10]      netdev_get_by_index+0x5e/0x80
[ 1520.002761][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1520.002761][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1520.002761][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1520.002761][   T10]      ipv6_add_addr+0x411/0x2000
[ 1520.002761][   T10]      inet6_addr_add+0x30e/0xa40
[ 1520.002761][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1520.002761][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1520.002761][   T10]      netlink_rcv_skb+0x130/0x360
[ 1520.002761][   T10]      netlink_unicast+0x449/0x710
[ 1520.002761][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1520.002761][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1520.002761][   T10]      ___sys_sendmsg+0xee/0x170
[ 1520.002761][   T10]      __sys_sendmsg+0xcd/0x170
[ 1520.002761][   T10]      do_syscall_64+0xc6/0x1e0
[ 1520.002761][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1520.002761][   T10] 
[ 1520.004786][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1520.004786][   T10]      netdev_get_by_index+0x5e/0x80
[ 1520.004786][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1520.004786][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1520.004786][   T10]      ip6_route_add+0x1c/0x140
[ 1520.004786][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1520.004786][   T10]      addrconf_add_dev+0xe2/0x170
[ 1520.004786][   T10]      inet6_addr_add+0x12f/0xa40
[ 1520.004786][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1520.004786][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1520.004786][   T10]      netlink_rcv_skb+0x130/0x360
[ 1520.004786][   T10]      netlink_unicast+0x449/0x710
[ 1520.004786][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1520.004786][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1520.004786][   T10]      ___sys_sendmsg+0xee/0x170
[ 1520.004786][   T10]      __sys_sendmsg+0xcd/0x170
[ 1520.004786][   T10]      do_syscall_64+0xc6/0x1e0
[ 1520.004786][   T10] 
[ 1520.006791][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1520.006791][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1520.006791][   T10]      ipv6_find_idev+0x102/0x170
[ 1520.006791][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1520.006791][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1520.006791][   T10]      netlink_rcv_skb+0x130/0x360
[ 1520.006791][   T10]      netlink_unicast+0x449/0x710
[ 1520.006791][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1520.006791][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1520.006791][   T10]      ___sys_sendmsg+0xee/0x170
[ 1520.006791][   T10]      __sys_sendmsg+0xcd/0x170
[ 1520.006791][   T10]      do_syscall_64+0xc6/0x1e0
[ 1520.006791][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1520.006791][   T10] 
[ 1520.008345][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1520.008345][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1520.008345][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1520.008345][   T10]      ipv6_find_idev+0x102/0x170
[ 1520.008345][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1520.008345][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1520.008345][   T10]      netlink_rcv_skb+0x130/0x360
[ 1520.008345][   T10]      netlink_unicast+0x449/0x710
[ 1520.008345][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1520.008345][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1520.008345][   T10]      ___sys_sendmsg+0xee/0x170
[ 1520.008345][   T10]      __sys_sendmsg+0xcd/0x170
[ 1520.008345][   T10]      do_syscall_64+0xc6/0x1e0
[ 1520.008345][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1520.008345][   T10] 
[ 1530.248754][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1530.249218][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1530.249218][   T10]      netdev_get_by_index+0x5e/0x80
[ 1530.249218][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1530.249218][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1530.249218][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1530.249218][   T10]      ipv6_add_addr+0x411/0x2000
[ 1530.249218][   T10]      inet6_addr_add+0x30e/0xa40
[ 1530.249218][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1530.249218][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1530.249218][   T10]      netlink_rcv_skb+0x130/0x360
[ 1530.249218][   T10]      netlink_unicast+0x449/0x710
[ 1530.249218][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1530.249218][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1530.249218][   T10]      ___sys_sendmsg+0xee/0x170
[ 1530.249218][   T10]      __sys_sendmsg+0xcd/0x170
[ 1530.249218][   T10]      do_syscall_64+0xc6/0x1e0
[ 1530.249218][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1530.249218][   T10] 
[ 1530.251284][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1530.251284][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1530.251284][   T10]      ipv6_find_idev+0x102/0x170
[ 1530.251284][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1530.251284][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1530.251284][   T10]      netlink_rcv_skb+0x130/0x360
[ 1530.251284][   T10]      netlink_unicast+0x449/0x710
[ 1530.251284][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1530.251284][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1530.251284][   T10]      ___sys_sendmsg+0xee/0x170
[ 1530.251284][   T10]      __sys_sendmsg+0xcd/0x170
[ 1530.251284][   T10]      do_syscall_64+0xc6/0x1e0
[ 1530.251284][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1530.251284][   T10] 
[ 1530.252856][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1530.252856][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1530.252856][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1530.252856][   T10]      ipv6_find_idev+0x102/0x170
[ 1530.252856][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1530.252856][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1530.252856][   T10]      netlink_rcv_skb+0x130/0x360
[ 1530.252856][   T10]      netlink_unicast+0x449/0x710
[ 1530.252856][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1530.252856][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1530.252856][   T10]      ___sys_sendmsg+0xee/0x170
[ 1530.252856][   T10]      __sys_sendmsg+0xcd/0x170
[ 1530.252856][   T10]      do_syscall_64+0xc6/0x1e0
[ 1530.252856][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1530.252856][   T10] 
[ 1530.254565][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1530.254843][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1530.254843][   T10]      netdev_get_by_index+0x5e/0x80
[ 1530.254843][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1530.254843][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1530.254843][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1530.254843][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1530.254843][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1530.254843][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1530.254843][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1530.254843][   T10]      addrconf_dad_begin+0x310/0x670
[ 1530.254843][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1530.254843][   T10]      process_one_work+0x84d/0x18a0
[ 1530.254843][   T10]      worker_thread+0x587/0xd30
[ 1530.254843][   T10]      kthread+0x28a/0x350
[ 1530.254843][   T10]      ret_from_fork+0x31/0x70
[ 1530.254843][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1530.254843][   T10] 
[ 1530.256764][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1530.256764][   T10]      netdev_get_by_index+0x5e/0x80
[ 1530.256764][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1530.256764][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1530.256764][   T10]      ip6_route_add+0x1c/0x140
[ 1530.256764][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1530.256764][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1530.256764][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1530.256764][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1530.256764][   T10]      netlink_rcv_skb+0x130/0x360
[ 1530.256764][   T10]      netlink_unicast+0x449/0x710
[ 1530.256764][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1530.256764][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1530.256764][   T10]      ___sys_sendmsg+0xee/0x170
[ 1530.256764][   T10]      __sys_sendmsg+0xcd/0x170
[ 1530.256764][   T10]      do_syscall_64+0xc6/0x1e0
[ 1530.256764][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1530.256764][   T10] 
[ 1530.258783][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1530.258783][   T10]      netdev_get_by_index+0x5e/0x80
[ 1530.258783][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1530.258783][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1530.258783][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1530.258783][   T10]      ipv6_add_addr+0x411/0x2000
[ 1530.258783][   T10]      inet6_addr_add+0x30e/0xa40
[ 1530.258783][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1530.258783][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1530.258783][   T10]      netlink_rcv_skb+0x130/0x360
[ 1530.258783][   T10]      netlink_unicast+0x449/0x710
[ 1530.258783][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1530.258783][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1530.258783][   T10]      ___sys_sendmsg+0xee/0x170
[ 1530.258783][   T10]      __sys_sendmsg+0xcd/0x170
[ 1530.258783][   T10]      do_syscall_64+0xc6/0x1e0
[ 1530.258783][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1530.258783][   T10] 
[ 1530.260800][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1530.260800][   T10]      netdev_get_by_index+0x5e/0x80
[ 1530.260800][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1530.260800][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1530.260800][   T10]      ip6_route_add+0x1c/0x140
[ 1530.260800][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1530.260800][   T10]      addrconf_add_dev+0xe2/0x170
[ 1530.260800][   T10]      inet6_addr_add+0x12f/0xa40
[ 1530.260800][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1530.260800][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1530.260800][   T10]      netlink_rcv_skb+0x130/0x360
[ 1530.260800][   T10]      netlink_unicast+0x449/0x710
[ 1530.260800][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1530.260800][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1530.260800][   T10]      ___sys_sendmsg+0xee/0x170
[ 1530.260800][   T10]      __sys_sendmsg+0xcd/0x170
[ 1530.260800][   T10]      do_syscall_64+0xc6/0x1e0
[ 1530.260800][   T10] 
[ 1530.262781][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1530.262781][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1530.262781][   T10]      ipv6_find_idev+0x102/0x170
[ 1530.262781][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1530.262781][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1530.262781][   T10]      netlink_rcv_skb+0x130/0x360
[ 1530.262781][   T10]      netlink_unicast+0x449/0x710
[ 1530.262781][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1530.262781][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1530.262781][   T10]      ___sys_sendmsg+0xee/0x170
[ 1530.262781][   T10]      __sys_sendmsg+0xcd/0x170
[ 1530.262781][   T10]      do_syscall_64+0xc6/0x1e0
[ 1530.262781][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1530.262781][   T10] 
[ 1530.264418][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1530.264418][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1530.264418][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1530.264418][   T10]      ipv6_find_idev+0x102/0x170
[ 1530.264418][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1530.264418][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1530.264418][   T10]      netlink_rcv_skb+0x130/0x360
[ 1530.264418][   T10]      netlink_unicast+0x449/0x710
[ 1530.264418][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1530.264418][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1530.264418][   T10]      ___sys_sendmsg+0xee/0x170
[ 1530.264418][   T10]      __sys_sendmsg+0xcd/0x170
[ 1530.264418][   T10]      do_syscall_64+0xc6/0x1e0
[ 1530.264418][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1530.264418][   T10] 
[ 1540.496739][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1540.497205][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1540.497205][   T10]      netdev_get_by_index+0x5e/0x80
[ 1540.497205][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1540.497205][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1540.497205][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1540.497205][   T10]      ipv6_add_addr+0x411/0x2000
[ 1540.497205][   T10]      inet6_addr_add+0x30e/0xa40
[ 1540.497205][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1540.497205][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1540.497205][   T10]      netlink_rcv_skb+0x130/0x360
[ 1540.497205][   T10]      netlink_unicast+0x449/0x710
[ 1540.497205][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1540.497205][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1540.497205][   T10]      ___sys_sendmsg+0xee/0x170
[ 1540.497205][   T10]      __sys_sendmsg+0xcd/0x170
[ 1540.497205][   T10]      do_syscall_64+0xc6/0x1e0
[ 1540.497205][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1540.497205][   T10] 
[ 1540.499264][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1540.499264][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1540.499264][   T10]      ipv6_find_idev+0x102/0x170
[ 1540.499264][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1540.499264][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1540.499264][   T10]      netlink_rcv_skb+0x130/0x360
[ 1540.499264][   T10]      netlink_unicast+0x449/0x710
[ 1540.499264][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1540.499264][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1540.499264][   T10]      ___sys_sendmsg+0xee/0x170
[ 1540.499264][   T10]      __sys_sendmsg+0xcd/0x170
[ 1540.499264][   T10]      do_syscall_64+0xc6/0x1e0
[ 1540.499264][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1540.499264][   T10] 
[ 1540.500847][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1540.500847][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1540.500847][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1540.500847][   T10]      ipv6_find_idev+0x102/0x170
[ 1540.500847][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1540.500847][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1540.500847][   T10]      netlink_rcv_skb+0x130/0x360
[ 1540.500847][   T10]      netlink_unicast+0x449/0x710
[ 1540.500847][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1540.500847][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1540.500847][   T10]      ___sys_sendmsg+0xee/0x170
[ 1540.500847][   T10]      __sys_sendmsg+0xcd/0x170
[ 1540.500847][   T10]      do_syscall_64+0xc6/0x1e0
[ 1540.500847][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1540.500847][   T10] 
[ 1540.502550][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1540.502827][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1540.502827][   T10]      netdev_get_by_index+0x5e/0x80
[ 1540.502827][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1540.502827][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1540.502827][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1540.502827][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1540.502827][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1540.502827][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1540.502827][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1540.502827][   T10]      addrconf_dad_begin+0x310/0x670
[ 1540.502827][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1540.502827][   T10]      process_one_work+0x84d/0x18a0
[ 1540.502827][   T10]      worker_thread+0x587/0xd30
[ 1540.502827][   T10]      kthread+0x28a/0x350
[ 1540.502827][   T10]      ret_from_fork+0x31/0x70
[ 1540.502827][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1540.502827][   T10] 
[ 1540.504727][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1540.504727][   T10]      netdev_get_by_index+0x5e/0x80
[ 1540.504727][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1540.504727][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1540.504727][   T10]      ip6_route_add+0x1c/0x140
[ 1540.504727][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1540.504727][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1540.504727][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1540.504727][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1540.504727][   T10]      netlink_rcv_skb+0x130/0x360
[ 1540.504727][   T10]      netlink_unicast+0x449/0x710
[ 1540.504727][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1540.504727][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1540.504727][   T10]      ___sys_sendmsg+0xee/0x170
[ 1540.504727][   T10]      __sys_sendmsg+0xcd/0x170
[ 1540.504727][   T10]      do_syscall_64+0xc6/0x1e0
[ 1540.504727][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1540.504727][   T10] 
[ 1540.506878][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1540.506878][   T10]      netdev_get_by_index+0x5e/0x80
[ 1540.506878][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1540.506878][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1540.506878][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1540.506878][   T10]      ipv6_add_addr+0x411/0x2000
[ 1540.506878][   T10]      inet6_addr_add+0x30e/0xa40
[ 1540.506878][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1540.506878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1540.506878][   T10]      netlink_rcv_skb+0x130/0x360
[ 1540.506878][   T10]      netlink_unicast+0x449/0x710
[ 1540.506878][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1540.506878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1540.506878][   T10]      ___sys_sendmsg+0xee/0x170
[ 1540.506878][   T10]      __sys_sendmsg+0xcd/0x170
[ 1540.506878][   T10]      do_syscall_64+0xc6/0x1e0
[ 1540.506878][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1540.506878][   T10] 
[ 1540.508889][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1540.508889][   T10]      netdev_get_by_index+0x5e/0x80
[ 1540.508889][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1540.508889][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1540.508889][   T10]      ip6_route_add+0x1c/0x140
[ 1540.508889][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1540.508889][   T10]      addrconf_add_dev+0xe2/0x170
[ 1540.508889][   T10]      inet6_addr_add+0x12f/0xa40
[ 1540.508889][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1540.508889][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1540.508889][   T10]      netlink_rcv_skb+0x130/0x360
[ 1540.508889][   T10]      netlink_unicast+0x449/0x710
[ 1540.508889][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1540.508889][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1540.508889][   T10]      ___sys_sendmsg+0xee/0x170
[ 1540.508889][   T10]      __sys_sendmsg+0xcd/0x170
[ 1540.508889][   T10]      do_syscall_64+0xc6/0x1e0
[ 1540.508889][   T10] 
[ 1540.510872][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1540.510872][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1540.510872][   T10]      ipv6_find_idev+0x102/0x170
[ 1540.510872][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1540.510872][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1540.510872][   T10]      netlink_rcv_skb+0x130/0x360
[ 1540.510872][   T10]      netlink_unicast+0x449/0x710
[ 1540.510872][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1540.510872][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1540.510872][   T10]      ___sys_sendmsg+0xee/0x170
[ 1540.510872][   T10]      __sys_sendmsg+0xcd/0x170
[ 1540.510872][   T10]      do_syscall_64+0xc6/0x1e0
[ 1540.510872][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1540.510872][   T10] 
[ 1540.512438][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1540.512438][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1540.512438][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1540.512438][   T10]      ipv6_find_idev+0x102/0x170
[ 1540.512438][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1540.512438][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1540.512438][   T10]      netlink_rcv_skb+0x130/0x360
[ 1540.512438][   T10]      netlink_unicast+0x449/0x710
[ 1540.512438][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1540.512438][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1540.512438][   T10]      ___sys_sendmsg+0xee/0x170
[ 1540.512438][   T10]      __sys_sendmsg+0xcd/0x170
[ 1540.512438][   T10]      do_syscall_64+0xc6/0x1e0
[ 1540.512438][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1540.512438][   T10] 
[ 1550.752821][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1550.753280][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1550.753280][   T10]      netdev_get_by_index+0x5e/0x80
[ 1550.753280][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1550.753280][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1550.753280][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1550.753280][   T10]      ipv6_add_addr+0x411/0x2000
[ 1550.753280][   T10]      inet6_addr_add+0x30e/0xa40
[ 1550.753280][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1550.753280][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1550.753280][   T10]      netlink_rcv_skb+0x130/0x360
[ 1550.753280][   T10]      netlink_unicast+0x449/0x710
[ 1550.753280][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1550.753280][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1550.753280][   T10]      ___sys_sendmsg+0xee/0x170
[ 1550.753280][   T10]      __sys_sendmsg+0xcd/0x170
[ 1550.753280][   T10]      do_syscall_64+0xc6/0x1e0
[ 1550.753280][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1550.753280][   T10] 
[ 1550.755326][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1550.755326][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1550.755326][   T10]      ipv6_find_idev+0x102/0x170
[ 1550.755326][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1550.755326][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1550.755326][   T10]      netlink_rcv_skb+0x130/0x360
[ 1550.755326][   T10]      netlink_unicast+0x449/0x710
[ 1550.755326][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1550.755326][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1550.755326][   T10]      ___sys_sendmsg+0xee/0x170
[ 1550.755326][   T10]      __sys_sendmsg+0xcd/0x170
[ 1550.755326][   T10]      do_syscall_64+0xc6/0x1e0
[ 1550.755326][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1550.755326][   T10] 
[ 1550.756904][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1550.756904][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1550.756904][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1550.756904][   T10]      ipv6_find_idev+0x102/0x170
[ 1550.756904][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1550.756904][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1550.756904][   T10]      netlink_rcv_skb+0x130/0x360
[ 1550.756904][   T10]      netlink_unicast+0x449/0x710
[ 1550.756904][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1550.756904][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1550.756904][   T10]      ___sys_sendmsg+0xee/0x170
[ 1550.756904][   T10]      __sys_sendmsg+0xcd/0x170
[ 1550.756904][   T10]      do_syscall_64+0xc6/0x1e0
[ 1550.756904][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1550.756904][   T10] 
[ 1550.758640][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1550.758912][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1550.758912][   T10]      netdev_get_by_index+0x5e/0x80
[ 1550.758912][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1550.758912][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1550.758912][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1550.758912][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1550.758912][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1550.758912][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1550.758912][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1550.758912][   T10]      addrconf_dad_begin+0x310/0x670
[ 1550.758912][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1550.758912][   T10]      process_one_work+0x84d/0x18a0
[ 1550.758912][   T10]      worker_thread+0x587/0xd30
[ 1550.758912][   T10]      kthread+0x28a/0x350
[ 1550.758912][   T10]      ret_from_fork+0x31/0x70
[ 1550.758912][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1550.758912][   T10] 
[ 1550.760823][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1550.760823][   T10]      netdev_get_by_index+0x5e/0x80
[ 1550.760823][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1550.760823][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1550.760823][   T10]      ip6_route_add+0x1c/0x140
[ 1550.760823][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1550.760823][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1550.760823][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1550.760823][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1550.760823][   T10]      netlink_rcv_skb+0x130/0x360
[ 1550.760823][   T10]      netlink_unicast+0x449/0x710
[ 1550.760823][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1550.760823][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1550.760823][   T10]      ___sys_sendmsg+0xee/0x170
[ 1550.760823][   T10]      __sys_sendmsg+0xcd/0x170
[ 1550.760823][   T10]      do_syscall_64+0xc6/0x1e0
[ 1550.760823][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1550.760823][   T10] 
[ 1550.762848][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1550.762848][   T10]      netdev_get_by_index+0x5e/0x80
[ 1550.762848][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1550.762848][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1550.762848][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1550.762848][   T10]      ipv6_add_addr+0x411/0x2000
[ 1550.762848][   T10]      inet6_addr_add+0x30e/0xa40
[ 1550.762848][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1550.762848][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1550.762848][   T10]      netlink_rcv_skb+0x130/0x360
[ 1550.762848][   T10]      netlink_unicast+0x449/0x710
[ 1550.762848][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1550.762848][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1550.762848][   T10]      ___sys_sendmsg+0xee/0x170
[ 1550.762848][   T10]      __sys_sendmsg+0xcd/0x170
[ 1550.762848][   T10]      do_syscall_64+0xc6/0x1e0
[ 1550.762848][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1550.762848][   T10] 
[ 1550.764882][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1550.764882][   T10]      netdev_get_by_index+0x5e/0x80
[ 1550.764882][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1550.764882][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1550.764882][   T10]      ip6_route_add+0x1c/0x140
[ 1550.764882][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1550.764882][   T10]      addrconf_add_dev+0xe2/0x170
[ 1550.764882][   T10]      inet6_addr_add+0x12f/0xa40
[ 1550.764882][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1550.764882][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1550.764882][   T10]      netlink_rcv_skb+0x130/0x360
[ 1550.764882][   T10]      netlink_unicast+0x449/0x710
[ 1550.764882][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1550.764882][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1550.764882][   T10]      ___sys_sendmsg+0xee/0x170
[ 1550.764882][   T10]      __sys_sendmsg+0xcd/0x170
[ 1550.764882][   T10]      do_syscall_64+0xc6/0x1e0
[ 1550.764882][   T10] 
[ 1550.766875][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1550.766875][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1550.766875][   T10]      ipv6_find_idev+0x102/0x170
[ 1550.766875][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1550.766875][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1550.766875][   T10]      netlink_rcv_skb+0x130/0x360
[ 1550.766875][   T10]      netlink_unicast+0x449/0x710
[ 1550.766875][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1550.766875][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1550.766875][   T10]      ___sys_sendmsg+0xee/0x170
[ 1550.766875][   T10]      __sys_sendmsg+0xcd/0x170
[ 1550.766875][   T10]      do_syscall_64+0xc6/0x1e0
[ 1550.766875][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1550.766875][   T10] 
[ 1550.768431][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1550.768431][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1550.768431][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1550.768431][   T10]      ipv6_find_idev+0x102/0x170
[ 1550.768431][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1550.768431][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1550.768431][   T10]      netlink_rcv_skb+0x130/0x360
[ 1550.768431][   T10]      netlink_unicast+0x449/0x710
[ 1550.768431][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1550.768431][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1550.768431][   T10]      ___sys_sendmsg+0xee/0x170
[ 1550.768431][   T10]      __sys_sendmsg+0xcd/0x170
[ 1550.768431][   T10]      do_syscall_64+0xc6/0x1e0
[ 1550.768431][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1550.768431][   T10] 
[ 1561.008736][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1561.009192][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1561.009192][   T10]      netdev_get_by_index+0x5e/0x80
[ 1561.009192][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1561.009192][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1561.009192][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1561.009192][   T10]      ipv6_add_addr+0x411/0x2000
[ 1561.009192][   T10]      inet6_addr_add+0x30e/0xa40
[ 1561.009192][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1561.009192][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1561.009192][   T10]      netlink_rcv_skb+0x130/0x360
[ 1561.009192][   T10]      netlink_unicast+0x449/0x710
[ 1561.009192][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1561.009192][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1561.009192][   T10]      ___sys_sendmsg+0xee/0x170
[ 1561.009192][   T10]      __sys_sendmsg+0xcd/0x170
[ 1561.009192][   T10]      do_syscall_64+0xc6/0x1e0
[ 1561.009192][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1561.009192][   T10] 
[ 1561.011254][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1561.011254][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1561.011254][   T10]      ipv6_find_idev+0x102/0x170
[ 1561.011254][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1561.011254][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1561.011254][   T10]      netlink_rcv_skb+0x130/0x360
[ 1561.011254][   T10]      netlink_unicast+0x449/0x710
[ 1561.011254][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1561.011254][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1561.011254][   T10]      ___sys_sendmsg+0xee/0x170
[ 1561.011254][   T10]      __sys_sendmsg+0xcd/0x170
[ 1561.011254][   T10]      do_syscall_64+0xc6/0x1e0
[ 1561.011254][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1561.011254][   T10] 
[ 1561.012830][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1561.012830][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1561.012830][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1561.012830][   T10]      ipv6_find_idev+0x102/0x170
[ 1561.012830][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1561.012830][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1561.012830][   T10]      netlink_rcv_skb+0x130/0x360
[ 1561.012830][   T10]      netlink_unicast+0x449/0x710
[ 1561.012830][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1561.012830][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1561.012830][   T10]      ___sys_sendmsg+0xee/0x170
[ 1561.012830][   T10]      __sys_sendmsg+0xcd/0x170
[ 1561.012830][   T10]      do_syscall_64+0xc6/0x1e0
[ 1561.012830][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1561.012830][   T10] 
[ 1561.014536][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1561.014812][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1561.014812][   T10]      netdev_get_by_index+0x5e/0x80
[ 1561.014812][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1561.014812][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1561.014812][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1561.014812][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1561.014812][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1561.014812][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1561.014812][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1561.014812][   T10]      addrconf_dad_begin+0x310/0x670
[ 1561.014812][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1561.014812][   T10]      process_one_work+0x84d/0x18a0
[ 1561.014812][   T10]      worker_thread+0x587/0xd30
[ 1561.014812][   T10]      kthread+0x28a/0x350
[ 1561.014812][   T10]      ret_from_fork+0x31/0x70
[ 1561.014812][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1561.014812][   T10] 
[ 1561.016749][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1561.016749][   T10]      netdev_get_by_index+0x5e/0x80
[ 1561.016749][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1561.016749][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1561.016749][   T10]      ip6_route_add+0x1c/0x140
[ 1561.016749][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1561.016749][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1561.016749][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1561.016749][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1561.016749][   T10]      netlink_rcv_skb+0x130/0x360
[ 1561.016749][   T10]      netlink_unicast+0x449/0x710
[ 1561.016749][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1561.016749][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1561.016749][   T10]      ___sys_sendmsg+0xee/0x170
[ 1561.016749][   T10]      __sys_sendmsg+0xcd/0x170
[ 1561.016749][   T10]      do_syscall_64+0xc6/0x1e0
[ 1561.016749][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1561.016749][   T10] 
[ 1561.018764][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1561.018764][   T10]      netdev_get_by_index+0x5e/0x80
[ 1561.018764][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1561.018764][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1561.018764][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1561.018764][   T10]      ipv6_add_addr+0x411/0x2000
[ 1561.018764][   T10]      inet6_addr_add+0x30e/0xa40
[ 1561.018764][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1561.018764][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1561.018764][   T10]      netlink_rcv_skb+0x130/0x360
[ 1561.018764][   T10]      netlink_unicast+0x449/0x710
[ 1561.018764][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1561.018764][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1561.018764][   T10]      ___sys_sendmsg+0xee/0x170
[ 1561.018764][   T10]      __sys_sendmsg+0xcd/0x170
[ 1561.018764][   T10]      do_syscall_64+0xc6/0x1e0
[ 1561.018764][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1561.018764][   T10] 
[ 1561.020791][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1561.020791][   T10]      netdev_get_by_index+0x5e/0x80
[ 1561.020791][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1561.020791][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1561.020791][   T10]      ip6_route_add+0x1c/0x140
[ 1561.020791][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1561.020791][   T10]      addrconf_add_dev+0xe2/0x170
[ 1561.020791][   T10]      inet6_addr_add+0x12f/0xa40
[ 1561.020791][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1561.020791][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1561.020791][   T10]      netlink_rcv_skb+0x130/0x360
[ 1561.020791][   T10]      netlink_unicast+0x449/0x710
[ 1561.020791][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1561.020791][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1561.020791][   T10]      ___sys_sendmsg+0xee/0x170
[ 1561.020791][   T10]      __sys_sendmsg+0xcd/0x170
[ 1561.020791][   T10]      do_syscall_64+0xc6/0x1e0
[ 1561.020791][   T10] 
[ 1561.022775][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1561.022775][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1561.022775][   T10]      ipv6_find_idev+0x102/0x170
[ 1561.022775][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1561.022775][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1561.022775][   T10]      netlink_rcv_skb+0x130/0x360
[ 1561.022775][   T10]      netlink_unicast+0x449/0x710
[ 1561.022775][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1561.022775][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1561.022775][   T10]      ___sys_sendmsg+0xee/0x170
[ 1561.022775][   T10]      __sys_sendmsg+0xcd/0x170
[ 1561.022775][   T10]      do_syscall_64+0xc6/0x1e0
[ 1561.022775][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1561.022775][   T10] 
[ 1561.024328][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1561.024328][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1561.024328][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1561.024328][   T10]      ipv6_find_idev+0x102/0x170
[ 1561.024328][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1561.024328][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1561.024328][   T10]      netlink_rcv_skb+0x130/0x360
[ 1561.024328][   T10]      netlink_unicast+0x449/0x710
[ 1561.024328][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1561.024328][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1561.024328][   T10]      ___sys_sendmsg+0xee/0x170
[ 1561.024328][   T10]      __sys_sendmsg+0xcd/0x170
[ 1561.024328][   T10]      do_syscall_64+0xc6/0x1e0
[ 1561.024328][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1561.024328][   T10] 
[ 1571.264745][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1571.265205][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1571.265205][   T10]      netdev_get_by_index+0x5e/0x80
[ 1571.265205][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1571.265205][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1571.265205][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1571.265205][   T10]      ipv6_add_addr+0x411/0x2000
[ 1571.265205][   T10]      inet6_addr_add+0x30e/0xa40
[ 1571.265205][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1571.265205][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1571.265205][   T10]      netlink_rcv_skb+0x130/0x360
[ 1571.265205][   T10]      netlink_unicast+0x449/0x710
[ 1571.265205][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1571.265205][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1571.265205][   T10]      ___sys_sendmsg+0xee/0x170
[ 1571.265205][   T10]      __sys_sendmsg+0xcd/0x170
[ 1571.265205][   T10]      do_syscall_64+0xc6/0x1e0
[ 1571.265205][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1571.265205][   T10] 
[ 1571.267309][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1571.267309][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1571.267309][   T10]      ipv6_find_idev+0x102/0x170
[ 1571.267309][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1571.267309][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1571.267309][   T10]      netlink_rcv_skb+0x130/0x360
[ 1571.267309][   T10]      netlink_unicast+0x449/0x710
[ 1571.267309][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1571.267309][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1571.267309][   T10]      ___sys_sendmsg+0xee/0x170
[ 1571.267309][   T10]      __sys_sendmsg+0xcd/0x170
[ 1571.267309][   T10]      do_syscall_64+0xc6/0x1e0
[ 1571.267309][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1571.267309][   T10] 
[ 1571.268919][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1571.268919][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1571.268919][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1571.268919][   T10]      ipv6_find_idev+0x102/0x170
[ 1571.268919][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1571.268919][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1571.268919][   T10]      netlink_rcv_skb+0x130/0x360
[ 1571.268919][   T10]      netlink_unicast+0x449/0x710
[ 1571.268919][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1571.268919][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1571.268919][   T10]      ___sys_sendmsg+0xee/0x170
[ 1571.268919][   T10]      __sys_sendmsg+0xcd/0x170
[ 1571.268919][   T10]      do_syscall_64+0xc6/0x1e0
[ 1571.268919][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1571.268919][   T10] 
[ 1571.270648][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1571.270912][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1571.270912][   T10]      netdev_get_by_index+0x5e/0x80
[ 1571.270912][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1571.270912][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1571.270912][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1571.270912][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1571.270912][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1571.270912][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1571.270912][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1571.270912][   T10]      addrconf_dad_begin+0x310/0x670
[ 1571.270912][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1571.270912][   T10]      process_one_work+0x84d/0x18a0
[ 1571.270912][   T10]      worker_thread+0x587/0xd30
[ 1571.270912][   T10]      kthread+0x28a/0x350
[ 1571.270912][   T10]      ret_from_fork+0x31/0x70
[ 1571.270912][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1571.270912][   T10] 
[ 1571.272826][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1571.272826][   T10]      netdev_get_by_index+0x5e/0x80
[ 1571.272826][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1571.272826][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1571.272826][   T10]      ip6_route_add+0x1c/0x140
[ 1571.272826][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1571.272826][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1571.272826][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1571.272826][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1571.272826][   T10]      netlink_rcv_skb+0x130/0x360
[ 1571.272826][   T10]      netlink_unicast+0x449/0x710
[ 1571.272826][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1571.272826][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1571.272826][   T10]      ___sys_sendmsg+0xee/0x170
[ 1571.272826][   T10]      __sys_sendmsg+0xcd/0x170
[ 1571.272826][   T10]      do_syscall_64+0xc6/0x1e0
[ 1571.272826][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1571.272826][   T10] 
[ 1571.274861][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1571.274861][   T10]      netdev_get_by_index+0x5e/0x80
[ 1571.274861][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1571.274861][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1571.274861][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1571.274861][   T10]      ipv6_add_addr+0x411/0x2000
[ 1571.274861][   T10]      inet6_addr_add+0x30e/0xa40
[ 1571.274861][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1571.274861][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1571.274861][   T10]      netlink_rcv_skb+0x130/0x360
[ 1571.274861][   T10]      netlink_unicast+0x449/0x710
[ 1571.274861][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1571.274861][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1571.274861][   T10]      ___sys_sendmsg+0xee/0x170
[ 1571.274861][   T10]      __sys_sendmsg+0xcd/0x170
[ 1571.274861][   T10]      do_syscall_64+0xc6/0x1e0
[ 1571.274861][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1571.274861][   T10] 
[ 1571.276886][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1571.276886][   T10]      netdev_get_by_index+0x5e/0x80
[ 1571.276886][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1571.276886][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1571.276886][   T10]      ip6_route_add+0x1c/0x140
[ 1571.276886][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1571.276886][   T10]      addrconf_add_dev+0xe2/0x170
[ 1571.276886][   T10]      inet6_addr_add+0x12f/0xa40
[ 1571.276886][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1571.276886][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1571.276886][   T10]      netlink_rcv_skb+0x130/0x360
[ 1571.276886][   T10]      netlink_unicast+0x449/0x710
[ 1571.276886][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1571.276886][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1571.276886][   T10]      ___sys_sendmsg+0xee/0x170
[ 1571.276886][   T10]      __sys_sendmsg+0xcd/0x170
[ 1571.276886][   T10]      do_syscall_64+0xc6/0x1e0
[ 1571.276886][   T10] 
[ 1571.278874][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1571.278874][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1571.278874][   T10]      ipv6_find_idev+0x102/0x170
[ 1571.278874][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1571.278874][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1571.278874][   T10]      netlink_rcv_skb+0x130/0x360
[ 1571.278874][   T10]      netlink_unicast+0x449/0x710
[ 1571.278874][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1571.278874][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1571.278874][   T10]      ___sys_sendmsg+0xee/0x170
[ 1571.278874][   T10]      __sys_sendmsg+0xcd/0x170
[ 1571.278874][   T10]      do_syscall_64+0xc6/0x1e0
[ 1571.278874][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1571.278874][   T10] 
[ 1571.280434][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1571.280434][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1571.280434][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1571.280434][   T10]      ipv6_find_idev+0x102/0x170
[ 1571.280434][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1571.280434][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1571.280434][   T10]      netlink_rcv_skb+0x130/0x360
[ 1571.280434][   T10]      netlink_unicast+0x449/0x710
[ 1571.280434][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1571.280434][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1571.280434][   T10]      ___sys_sendmsg+0xee/0x170
[ 1571.280434][   T10]      __sys_sendmsg+0xcd/0x170
[ 1571.280434][   T10]      do_syscall_64+0xc6/0x1e0
[ 1571.280434][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1571.280434][   T10] 
[ 1581.520786][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1581.521269][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1581.521269][   T10]      netdev_get_by_index+0x5e/0x80
[ 1581.521269][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1581.521269][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1581.521269][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1581.521269][   T10]      ipv6_add_addr+0x411/0x2000
[ 1581.521269][   T10]      inet6_addr_add+0x30e/0xa40
[ 1581.521269][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1581.521269][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1581.521269][   T10]      netlink_rcv_skb+0x130/0x360
[ 1581.521269][   T10]      netlink_unicast+0x449/0x710
[ 1581.521269][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1581.521269][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1581.521269][   T10]      ___sys_sendmsg+0xee/0x170
[ 1581.521269][   T10]      __sys_sendmsg+0xcd/0x170
[ 1581.521269][   T10]      do_syscall_64+0xc6/0x1e0
[ 1581.521269][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1581.521269][   T10] 
[ 1581.523336][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1581.523336][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1581.523336][   T10]      ipv6_find_idev+0x102/0x170
[ 1581.523336][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1581.523336][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1581.523336][   T10]      netlink_rcv_skb+0x130/0x360
[ 1581.523336][   T10]      netlink_unicast+0x449/0x710
[ 1581.523336][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1581.523336][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1581.523336][   T10]      ___sys_sendmsg+0xee/0x170
[ 1581.523336][   T10]      __sys_sendmsg+0xcd/0x170
[ 1581.523336][   T10]      do_syscall_64+0xc6/0x1e0
[ 1581.523336][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1581.523336][   T10] 
[ 1581.524901][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1581.524901][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1581.524901][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1581.524901][   T10]      ipv6_find_idev+0x102/0x170
[ 1581.524901][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1581.524901][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1581.524901][   T10]      netlink_rcv_skb+0x130/0x360
[ 1581.524901][   T10]      netlink_unicast+0x449/0x710
[ 1581.524901][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1581.524901][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1581.524901][   T10]      ___sys_sendmsg+0xee/0x170
[ 1581.524901][   T10]      __sys_sendmsg+0xcd/0x170
[ 1581.524901][   T10]      do_syscall_64+0xc6/0x1e0
[ 1581.524901][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1581.524901][   T10] 
[ 1581.526650][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1581.526929][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1581.526929][   T10]      netdev_get_by_index+0x5e/0x80
[ 1581.526929][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1581.526929][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1581.526929][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1581.526929][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1581.526929][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1581.526929][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1581.526929][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1581.526929][   T10]      addrconf_dad_begin+0x310/0x670
[ 1581.526929][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1581.526929][   T10]      process_one_work+0x84d/0x18a0
[ 1581.526929][   T10]      worker_thread+0x587/0xd30
[ 1581.526929][   T10]      kthread+0x28a/0x350
[ 1581.526929][   T10]      ret_from_fork+0x31/0x70
[ 1581.526929][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1581.526929][   T10] 
[ 1581.528853][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1581.528853][   T10]      netdev_get_by_index+0x5e/0x80
[ 1581.528853][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1581.528853][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1581.528853][   T10]      ip6_route_add+0x1c/0x140
[ 1581.528853][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1581.528853][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1581.528853][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1581.528853][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1581.528853][   T10]      netlink_rcv_skb+0x130/0x360
[ 1581.528853][   T10]      netlink_unicast+0x449/0x710
[ 1581.528853][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1581.528853][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1581.528853][   T10]      ___sys_sendmsg+0xee/0x170
[ 1581.528853][   T10]      __sys_sendmsg+0xcd/0x170
[ 1581.528853][   T10]      do_syscall_64+0xc6/0x1e0
[ 1581.528853][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1581.528853][   T10] 
[ 1581.530908][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1581.530908][   T10]      netdev_get_by_index+0x5e/0x80
[ 1581.530908][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1581.530908][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1581.530908][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1581.530908][   T10]      ipv6_add_addr+0x411/0x2000
[ 1581.530908][   T10]      inet6_addr_add+0x30e/0xa40
[ 1581.530908][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1581.530908][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1581.530908][   T10]      netlink_rcv_skb+0x130/0x360
[ 1581.530908][   T10]      netlink_unicast+0x449/0x710
[ 1581.530908][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1581.530908][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1581.530908][   T10]      ___sys_sendmsg+0xee/0x170
[ 1581.530908][   T10]      __sys_sendmsg+0xcd/0x170
[ 1581.530908][   T10]      do_syscall_64+0xc6/0x1e0
[ 1581.530908][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1581.530908][   T10] 
[ 1581.532938][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1581.532938][   T10]      netdev_get_by_index+0x5e/0x80
[ 1581.532938][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1581.532938][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1581.532938][   T10]      ip6_route_add+0x1c/0x140
[ 1581.532938][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1581.532938][   T10]      addrconf_add_dev+0xe2/0x170
[ 1581.532938][   T10]      inet6_addr_add+0x12f/0xa40
[ 1581.532938][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1581.532938][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1581.532938][   T10]      netlink_rcv_skb+0x130/0x360
[ 1581.532938][   T10]      netlink_unicast+0x449/0x710
[ 1581.532938][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1581.532938][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1581.532938][   T10]      ___sys_sendmsg+0xee/0x170
[ 1581.532938][   T10]      __sys_sendmsg+0xcd/0x170
[ 1581.532938][   T10]      do_syscall_64+0xc6/0x1e0
[ 1581.532938][   T10] 
[ 1581.534950][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1581.534950][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1581.534950][   T10]      ipv6_find_idev+0x102/0x170
[ 1581.534950][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1581.534950][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1581.534950][   T10]      netlink_rcv_skb+0x130/0x360
[ 1581.534950][   T10]      netlink_unicast+0x449/0x710
[ 1581.534950][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1581.534950][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1581.534950][   T10]      ___sys_sendmsg+0xee/0x170
[ 1581.534950][   T10]      __sys_sendmsg+0xcd/0x170
[ 1581.534950][   T10]      do_syscall_64+0xc6/0x1e0
[ 1581.534950][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1581.534950][   T10] 
[ 1581.536520][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1581.536520][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1581.536520][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1581.536520][   T10]      ipv6_find_idev+0x102/0x170
[ 1581.536520][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1581.536520][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1581.536520][   T10]      netlink_rcv_skb+0x130/0x360
[ 1581.536520][   T10]      netlink_unicast+0x449/0x710
[ 1581.536520][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1581.536520][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1581.536520][   T10]      ___sys_sendmsg+0xee/0x170
[ 1581.536520][   T10]      __sys_sendmsg+0xcd/0x170
[ 1581.536520][   T10]      do_syscall_64+0xc6/0x1e0
[ 1581.536520][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1581.536520][   T10] 
[ 1591.776799][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1591.777271][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1591.777271][   T10]      netdev_get_by_index+0x5e/0x80
[ 1591.777271][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1591.777271][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1591.777271][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1591.777271][   T10]      ipv6_add_addr+0x411/0x2000
[ 1591.777271][   T10]      inet6_addr_add+0x30e/0xa40
[ 1591.777271][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1591.777271][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1591.777271][   T10]      netlink_rcv_skb+0x130/0x360
[ 1591.777271][   T10]      netlink_unicast+0x449/0x710
[ 1591.777271][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1591.777271][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1591.777271][   T10]      ___sys_sendmsg+0xee/0x170
[ 1591.777271][   T10]      __sys_sendmsg+0xcd/0x170
[ 1591.777271][   T10]      do_syscall_64+0xc6/0x1e0
[ 1591.777271][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1591.777271][   T10] 
[ 1591.779351][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1591.779351][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1591.779351][   T10]      ipv6_find_idev+0x102/0x170
[ 1591.779351][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1591.779351][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1591.779351][   T10]      netlink_rcv_skb+0x130/0x360
[ 1591.779351][   T10]      netlink_unicast+0x449/0x710
[ 1591.779351][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1591.779351][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1591.779351][   T10]      ___sys_sendmsg+0xee/0x170
[ 1591.779351][   T10]      __sys_sendmsg+0xcd/0x170
[ 1591.779351][   T10]      do_syscall_64+0xc6/0x1e0
[ 1591.779351][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1591.779351][   T10] 
[ 1591.780928][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1591.780928][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1591.780928][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1591.780928][   T10]      ipv6_find_idev+0x102/0x170
[ 1591.780928][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1591.780928][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1591.780928][   T10]      netlink_rcv_skb+0x130/0x360
[ 1591.780928][   T10]      netlink_unicast+0x449/0x710
[ 1591.780928][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1591.780928][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1591.780928][   T10]      ___sys_sendmsg+0xee/0x170
[ 1591.780928][   T10]      __sys_sendmsg+0xcd/0x170
[ 1591.780928][   T10]      do_syscall_64+0xc6/0x1e0
[ 1591.780928][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1591.780928][   T10] 
[ 1591.782667][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1591.782932][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1591.782932][   T10]      netdev_get_by_index+0x5e/0x80
[ 1591.782932][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1591.782932][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1591.782932][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1591.782932][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1591.782932][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1591.782932][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1591.782932][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1591.782932][   T10]      addrconf_dad_begin+0x310/0x670
[ 1591.782932][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1591.782932][   T10]      process_one_work+0x84d/0x18a0
[ 1591.782932][   T10]      worker_thread+0x587/0xd30
[ 1591.782932][   T10]      kthread+0x28a/0x350
[ 1591.782932][   T10]      ret_from_fork+0x31/0x70
[ 1591.782932][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1591.782932][   T10] 
[ 1591.784877][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1591.784877][   T10]      netdev_get_by_index+0x5e/0x80
[ 1591.784877][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1591.784877][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1591.784877][   T10]      ip6_route_add+0x1c/0x140
[ 1591.784877][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1591.784877][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1591.784877][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1591.784877][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1591.784877][   T10]      netlink_rcv_skb+0x130/0x360
[ 1591.784877][   T10]      netlink_unicast+0x449/0x710
[ 1591.784877][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1591.784877][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1591.784877][   T10]      ___sys_sendmsg+0xee/0x170
[ 1591.784877][   T10]      __sys_sendmsg+0xcd/0x170
[ 1591.784877][   T10]      do_syscall_64+0xc6/0x1e0
[ 1591.784877][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1591.784877][   T10] 
[ 1591.786929][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1591.786929][   T10]      netdev_get_by_index+0x5e/0x80
[ 1591.786929][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1591.786929][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1591.786929][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1591.786929][   T10]      ipv6_add_addr+0x411/0x2000
[ 1591.786929][   T10]      inet6_addr_add+0x30e/0xa40
[ 1591.786929][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1591.786929][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1591.786929][   T10]      netlink_rcv_skb+0x130/0x360
[ 1591.786929][   T10]      netlink_unicast+0x449/0x710
[ 1591.786929][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1591.786929][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1591.786929][   T10]      ___sys_sendmsg+0xee/0x170
[ 1591.786929][   T10]      __sys_sendmsg+0xcd/0x170
[ 1591.786929][   T10]      do_syscall_64+0xc6/0x1e0
[ 1591.786929][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1591.786929][   T10] 
[ 1591.788979][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1591.788979][   T10]      netdev_get_by_index+0x5e/0x80
[ 1591.788979][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1591.788979][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1591.788979][   T10]      ip6_route_add+0x1c/0x140
[ 1591.788979][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1591.788979][   T10]      addrconf_add_dev+0xe2/0x170
[ 1591.788979][   T10]      inet6_addr_add+0x12f/0xa40
[ 1591.788979][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1591.788979][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1591.788979][   T10]      netlink_rcv_skb+0x130/0x360
[ 1591.788979][   T10]      netlink_unicast+0x449/0x710
[ 1591.788979][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1591.788979][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1591.788979][   T10]      ___sys_sendmsg+0xee/0x170
[ 1591.788979][   T10]      __sys_sendmsg+0xcd/0x170
[ 1591.788979][   T10]      do_syscall_64+0xc6/0x1e0
[ 1591.788979][   T10] 
[ 1591.790989][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1591.790989][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1591.790989][   T10]      ipv6_find_idev+0x102/0x170
[ 1591.790989][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1591.790989][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1591.790989][   T10]      netlink_rcv_skb+0x130/0x360
[ 1591.790989][   T10]      netlink_unicast+0x449/0x710
[ 1591.790989][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1591.790989][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1591.790989][   T10]      ___sys_sendmsg+0xee/0x170
[ 1591.790989][   T10]      __sys_sendmsg+0xcd/0x170
[ 1591.790989][   T10]      do_syscall_64+0xc6/0x1e0
[ 1591.790989][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1591.790989][   T10] 
[ 1591.792563][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1591.792563][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1591.792563][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1591.792563][   T10]      ipv6_find_idev+0x102/0x170
[ 1591.792563][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1591.792563][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1591.792563][   T10]      netlink_rcv_skb+0x130/0x360
[ 1591.792563][   T10]      netlink_unicast+0x449/0x710
[ 1591.792563][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1591.792563][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1591.792563][   T10]      ___sys_sendmsg+0xee/0x170
[ 1591.792563][   T10]      __sys_sendmsg+0xcd/0x170
[ 1591.792563][   T10]      do_syscall_64+0xc6/0x1e0
[ 1591.792563][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1591.792563][   T10] 
[ 1598.760759][   T42] INFO: task modprobe:8169 blocked for more than 491 seconds.
[ 1598.761105][   T42]       Not tainted 6.8.0-virtme #1
[ 1598.761236][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1598.761438][   T42] task:modprobe        state:D stack:25648 pid:8169  tgid:8169  ppid:39     flags:0x00004002
[ 1598.761719][   T42] Call Trace:
[ 1598.761817][   T42]  <TASK>
[ 1598.761890][   T42]  __schedule+0x705/0x1ac0
[ 1598.762031][   T42]  ? __pfx___schedule+0x10/0x10
[ 1598.762158][   T42]  ? schedule+0x1a5/0x210
[ 1598.762260][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1598.762397][   T42]  ? mark_lock+0x38/0x3e0
[ 1598.762492][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 1598.762619][   T42]  ? schedule+0x1a5/0x210
[ 1598.762735][   T42]  schedule+0xdf/0x210
[ 1598.762853][   T42]  schedule_preempt_disabled+0x15/0x30
[ 1598.762977][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[ 1598.763112][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 1598.763272][   T42]  ? kasan_save_stack+0x34/0x50
[ 1598.763398][   T42]  ? kasan_save_stack+0x24/0x50
[ 1598.763524][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1598.763670][   T42]  ? lock_acquire+0x1c1/0x220
[ 1598.763794][   T42]  ? register_pernet_subsys+0x1a/0x50
[ 1598.763931][   T42]  down_write+0x1c9/0x200
[ 1598.764028][   T42]  ? __pfx_down_write+0x10/0x10
[ 1598.764155][   T42]  ? __pfx___lock_release+0x10/0x10
[ 1598.764291][   T42]  ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables]
[ 1598.764491][   T42]  register_pernet_subsys+0x1a/0x50
[ 1598.764617][   T42]  nf_tables_module_init+0x17/0x100 [nf_tables]
[ 1598.764817][   T42]  do_one_initcall+0xc8/0x3f0
[ 1598.764949][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[ 1598.765077][   T42]  ? __create_object+0x5e/0xb0
[ 1598.765206][   T42]  ? kasan_unpoison+0x27/0x60
[ 1598.765335][   T42]  do_init_module+0x233/0x740
[ 1598.765483][   T42]  load_module+0x16b5/0x2350
[ 1598.765618][   T42]  ? __pfx_load_module+0x10/0x10
[ 1598.765752][   T42]  ? kernel_read_file+0x3d2/0x520
[ 1598.765885][   T42]  ? kernel_read_file+0x300/0x520
[ 1598.766015][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[ 1598.766147][   T42]  ? init_module_from_file+0xd2/0x130
[ 1598.766270][   T42]  init_module_from_file+0xd2/0x130
[ 1598.766394][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[ 1598.766553][   T42]  ? __lock_release+0x103/0x460
[ 1598.766702][   T42]  ? idempotent_init_module+0x32a/0x620
[ 1598.766838][   T42]  ? idempotent_init_module+0x32a/0x620
[ 1598.766962][   T42]  ? do_raw_spin_unlock+0x58/0x220
[ 1598.767093][   T42]  idempotent_init_module+0x342/0x620
[ 1598.767223][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 1598.767396][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 1598.767530][   T42]  do_syscall_64+0xc6/0x1e0
[ 1598.767669][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1598.767833][   T42] RIP: 0033:0x7f8894ecfe5d
[ 1598.767962][   T42] RSP: 002b:00007ffc02fe9148 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 1598.768150][   T42] RAX: ffffffffffffffda RBX: 0000561734795e90 RCX: 00007f8894ecfe5d
[ 1598.768339][   T42] RDX: 0000000000000000 RSI: 000056171fd7ca2a RDI: 0000000000000001
[ 1598.768525][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00005617347964f0
[ 1598.768723][   T42] R10: 0000000000000001 R11: 0000000000000246 R12: 000056171fd7ca2a
[ 1598.768907][   T42] R13: 0000561734795e40 R14: 0000561734796570 R15: 0000000000000000
[ 1598.769107][   T42]  </TASK>
[ 1598.769202][   T42] 
[ 1598.769202][   T42] Showing all locks held in the system:
[ 1598.769380][   T42] 3 locks held by kworker/u16:0/10:
[ 1598.769504][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1598.769763][   T42]  #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1598.770000][   T42]  #2: ffffffff9816a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[ 1598.770219][   T42] 2 locks held by kworker/u20:0/39:
[ 1598.770340][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1598.770591][   T42]  #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1598.770889][   T42] 1 lock held by khungtaskd/42:
[ 1598.771008][   T42]  #0: ffffffff979591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[ 1598.771235][   T42] 1 lock held by modprobe/8169:
[ 1598.771353][   T42]  #0: ffffffff9816a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[ 1598.771609][   T42] 
[ 1598.771678][   T42] =============================================
[ 1598.771678][   T42] 
[ 1602.032745][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1602.033217][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1602.033217][   T10]      netdev_get_by_index+0x5e/0x80
[ 1602.033217][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1602.033217][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1602.033217][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1602.033217][   T10]      ipv6_add_addr+0x411/0x2000
[ 1602.033217][   T10]      inet6_addr_add+0x30e/0xa40
[ 1602.033217][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1602.033217][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1602.033217][   T10]      netlink_rcv_skb+0x130/0x360
[ 1602.033217][   T10]      netlink_unicast+0x449/0x710
[ 1602.033217][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1602.033217][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1602.033217][   T10]      ___sys_sendmsg+0xee/0x170
[ 1602.033217][   T10]      __sys_sendmsg+0xcd/0x170
[ 1602.033217][   T10]      do_syscall_64+0xc6/0x1e0
[ 1602.033217][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1602.033217][   T10] 
[ 1602.035297][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1602.035297][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1602.035297][   T10]      ipv6_find_idev+0x102/0x170
[ 1602.035297][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1602.035297][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1602.035297][   T10]      netlink_rcv_skb+0x130/0x360
[ 1602.035297][   T10]      netlink_unicast+0x449/0x710
[ 1602.035297][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1602.035297][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1602.035297][   T10]      ___sys_sendmsg+0xee/0x170
[ 1602.035297][   T10]      __sys_sendmsg+0xcd/0x170
[ 1602.035297][   T10]      do_syscall_64+0xc6/0x1e0
[ 1602.035297][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1602.035297][   T10] 
[ 1602.036874][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1602.036874][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1602.036874][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1602.036874][   T10]      ipv6_find_idev+0x102/0x170
[ 1602.036874][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1602.036874][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1602.036874][   T10]      netlink_rcv_skb+0x130/0x360
[ 1602.036874][   T10]      netlink_unicast+0x449/0x710
[ 1602.036874][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1602.036874][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1602.036874][   T10]      ___sys_sendmsg+0xee/0x170
[ 1602.036874][   T10]      __sys_sendmsg+0xcd/0x170
[ 1602.036874][   T10]      do_syscall_64+0xc6/0x1e0
[ 1602.036874][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1602.036874][   T10] 
[ 1602.038602][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1602.038863][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1602.038863][   T10]      netdev_get_by_index+0x5e/0x80
[ 1602.038863][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1602.038863][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1602.038863][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1602.038863][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1602.038863][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1602.038863][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1602.038863][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1602.038863][   T10]      addrconf_dad_begin+0x310/0x670
[ 1602.038863][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1602.038863][   T10]      process_one_work+0x84d/0x18a0
[ 1602.038863][   T10]      worker_thread+0x587/0xd30
[ 1602.038863][   T10]      kthread+0x28a/0x350
[ 1602.038863][   T10]      ret_from_fork+0x31/0x70
[ 1602.038863][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1602.038863][   T10] 
[ 1602.040794][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1602.040794][   T10]      netdev_get_by_index+0x5e/0x80
[ 1602.040794][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1602.040794][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1602.040794][   T10]      ip6_route_add+0x1c/0x140
[ 1602.040794][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1602.040794][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1602.040794][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1602.040794][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1602.040794][   T10]      netlink_rcv_skb+0x130/0x360
[ 1602.040794][   T10]      netlink_unicast+0x449/0x710
[ 1602.040794][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1602.040794][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1602.040794][   T10]      ___sys_sendmsg+0xee/0x170
[ 1602.040794][   T10]      __sys_sendmsg+0xcd/0x170
[ 1602.040794][   T10]      do_syscall_64+0xc6/0x1e0
[ 1602.040794][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1602.040794][   T10] 
[ 1602.042838][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1602.042838][   T10]      netdev_get_by_index+0x5e/0x80
[ 1602.042838][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1602.042838][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1602.042838][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1602.042838][   T10]      ipv6_add_addr+0x411/0x2000
[ 1602.042838][   T10]      inet6_addr_add+0x30e/0xa40
[ 1602.042838][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1602.042838][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1602.042838][   T10]      netlink_rcv_skb+0x130/0x360
[ 1602.042838][   T10]      netlink_unicast+0x449/0x710
[ 1602.042838][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1602.042838][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1602.042838][   T10]      ___sys_sendmsg+0xee/0x170
[ 1602.042838][   T10]      __sys_sendmsg+0xcd/0x170
[ 1602.042838][   T10]      do_syscall_64+0xc6/0x1e0
[ 1602.042838][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1602.042838][   T10] 
[ 1602.044875][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1602.044875][   T10]      netdev_get_by_index+0x5e/0x80
[ 1602.044875][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1602.044875][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1602.044875][   T10]      ip6_route_add+0x1c/0x140
[ 1602.044875][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1602.044875][   T10]      addrconf_add_dev+0xe2/0x170
[ 1602.044875][   T10]      inet6_addr_add+0x12f/0xa40
[ 1602.044875][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1602.044875][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1602.044875][   T10]      netlink_rcv_skb+0x130/0x360
[ 1602.044875][   T10]      netlink_unicast+0x449/0x710
[ 1602.044875][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1602.044875][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1602.044875][   T10]      ___sys_sendmsg+0xee/0x170
[ 1602.044875][   T10]      __sys_sendmsg+0xcd/0x170
[ 1602.044875][   T10]      do_syscall_64+0xc6/0x1e0
[ 1602.044875][   T10] 
[ 1602.046889][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1602.046889][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1602.046889][   T10]      ipv6_find_idev+0x102/0x170
[ 1602.046889][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1602.046889][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1602.046889][   T10]      netlink_rcv_skb+0x130/0x360
[ 1602.046889][   T10]      netlink_unicast+0x449/0x710
[ 1602.046889][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1602.046889][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1602.046889][   T10]      ___sys_sendmsg+0xee/0x170
[ 1602.046889][   T10]      __sys_sendmsg+0xcd/0x170
[ 1602.046889][   T10]      do_syscall_64+0xc6/0x1e0
[ 1602.046889][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1602.046889][   T10] 
[ 1602.048464][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1602.048464][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1602.048464][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1602.048464][   T10]      ipv6_find_idev+0x102/0x170
[ 1602.048464][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1602.048464][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1602.048464][   T10]      netlink_rcv_skb+0x130/0x360
[ 1602.048464][   T10]      netlink_unicast+0x449/0x710
[ 1602.048464][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1602.048464][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1602.048464][   T10]      ___sys_sendmsg+0xee/0x170
[ 1602.048464][   T10]      __sys_sendmsg+0xcd/0x170
[ 1602.048464][   T10]      do_syscall_64+0xc6/0x1e0
[ 1602.048464][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1602.048464][   T10] 
[ 1612.288742][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1612.289200][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1612.289200][   T10]      netdev_get_by_index+0x5e/0x80
[ 1612.289200][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1612.289200][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1612.289200][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1612.289200][   T10]      ipv6_add_addr+0x411/0x2000
[ 1612.289200][   T10]      inet6_addr_add+0x30e/0xa40
[ 1612.289200][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1612.289200][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1612.289200][   T10]      netlink_rcv_skb+0x130/0x360
[ 1612.289200][   T10]      netlink_unicast+0x449/0x710
[ 1612.289200][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1612.289200][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1612.289200][   T10]      ___sys_sendmsg+0xee/0x170
[ 1612.289200][   T10]      __sys_sendmsg+0xcd/0x170
[ 1612.289200][   T10]      do_syscall_64+0xc6/0x1e0
[ 1612.289200][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1612.289200][   T10] 
[ 1612.291392][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1612.291392][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1612.291392][   T10]      ipv6_find_idev+0x102/0x170
[ 1612.291392][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1612.291392][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1612.291392][   T10]      netlink_rcv_skb+0x130/0x360
[ 1612.291392][   T10]      netlink_unicast+0x449/0x710
[ 1612.291392][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1612.291392][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1612.291392][   T10]      ___sys_sendmsg+0xee/0x170
[ 1612.291392][   T10]      __sys_sendmsg+0xcd/0x170
[ 1612.291392][   T10]      do_syscall_64+0xc6/0x1e0
[ 1612.291392][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1612.291392][   T10] 
[ 1612.292963][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1612.292963][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1612.292963][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1612.292963][   T10]      ipv6_find_idev+0x102/0x170
[ 1612.292963][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1612.292963][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1612.292963][   T10]      netlink_rcv_skb+0x130/0x360
[ 1612.292963][   T10]      netlink_unicast+0x449/0x710
[ 1612.292963][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1612.292963][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1612.292963][   T10]      ___sys_sendmsg+0xee/0x170
[ 1612.292963][   T10]      __sys_sendmsg+0xcd/0x170
[ 1612.292963][   T10]      do_syscall_64+0xc6/0x1e0
[ 1612.292963][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1612.292963][   T10] 
[ 1612.294711][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1612.294968][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1612.294968][   T10]      netdev_get_by_index+0x5e/0x80
[ 1612.294968][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1612.294968][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1612.294968][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1612.294968][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1612.294968][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1612.294968][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1612.294968][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1612.294968][   T10]      addrconf_dad_begin+0x310/0x670
[ 1612.294968][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1612.294968][   T10]      process_one_work+0x84d/0x18a0
[ 1612.294968][   T10]      worker_thread+0x587/0xd30
[ 1612.294968][   T10]      kthread+0x28a/0x350
[ 1612.294968][   T10]      ret_from_fork+0x31/0x70
[ 1612.294968][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1612.294968][   T10] 
[ 1612.296897][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1612.296897][   T10]      netdev_get_by_index+0x5e/0x80
[ 1612.296897][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1612.296897][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1612.296897][   T10]      ip6_route_add+0x1c/0x140
[ 1612.296897][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1612.296897][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1612.296897][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1612.296897][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1612.296897][   T10]      netlink_rcv_skb+0x130/0x360
[ 1612.296897][   T10]      netlink_unicast+0x449/0x710
[ 1612.296897][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1612.296897][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1612.296897][   T10]      ___sys_sendmsg+0xee/0x170
[ 1612.296897][   T10]      __sys_sendmsg+0xcd/0x170
[ 1612.296897][   T10]      do_syscall_64+0xc6/0x1e0
[ 1612.296897][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1612.296897][   T10] 
[ 1612.298937][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1612.298937][   T10]      netdev_get_by_index+0x5e/0x80
[ 1612.298937][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1612.298937][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1612.298937][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1612.298937][   T10]      ipv6_add_addr+0x411/0x2000
[ 1612.298937][   T10]      inet6_addr_add+0x30e/0xa40
[ 1612.298937][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1612.298937][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1612.298937][   T10]      netlink_rcv_skb+0x130/0x360
[ 1612.298937][   T10]      netlink_unicast+0x449/0x710
[ 1612.298937][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1612.298937][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1612.298937][   T10]      ___sys_sendmsg+0xee/0x170
[ 1612.298937][   T10]      __sys_sendmsg+0xcd/0x170
[ 1612.298937][   T10]      do_syscall_64+0xc6/0x1e0
[ 1612.298937][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1612.298937][   T10] 
[ 1612.300975][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1612.300975][   T10]      netdev_get_by_index+0x5e/0x80
[ 1612.300975][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1612.300975][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1612.300975][   T10]      ip6_route_add+0x1c/0x140
[ 1612.300975][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1612.300975][   T10]      addrconf_add_dev+0xe2/0x170
[ 1612.300975][   T10]      inet6_addr_add+0x12f/0xa40
[ 1612.300975][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1612.300975][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1612.300975][   T10]      netlink_rcv_skb+0x130/0x360
[ 1612.300975][   T10]      netlink_unicast+0x449/0x710
[ 1612.300975][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1612.300975][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1612.300975][   T10]      ___sys_sendmsg+0xee/0x170
[ 1612.300975][   T10]      __sys_sendmsg+0xcd/0x170
[ 1612.300975][   T10]      do_syscall_64+0xc6/0x1e0
[ 1612.300975][   T10] 
[ 1612.302967][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1612.302967][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1612.302967][   T10]      ipv6_find_idev+0x102/0x170
[ 1612.302967][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1612.302967][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1612.302967][   T10]      netlink_rcv_skb+0x130/0x360
[ 1612.302967][   T10]      netlink_unicast+0x449/0x710
[ 1612.302967][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1612.302967][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1612.302967][   T10]      ___sys_sendmsg+0xee/0x170
[ 1612.302967][   T10]      __sys_sendmsg+0xcd/0x170
[ 1612.302967][   T10]      do_syscall_64+0xc6/0x1e0
[ 1612.302967][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1612.302967][   T10] 
[ 1612.304531][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1612.304531][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1612.304531][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1612.304531][   T10]      ipv6_find_idev+0x102/0x170
[ 1612.304531][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1612.304531][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1612.304531][   T10]      netlink_rcv_skb+0x130/0x360
[ 1612.304531][   T10]      netlink_unicast+0x449/0x710
[ 1612.304531][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1612.304531][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1612.304531][   T10]      ___sys_sendmsg+0xee/0x170
[ 1612.304531][   T10]      __sys_sendmsg+0xcd/0x170
[ 1612.304531][   T10]      do_syscall_64+0xc6/0x1e0
[ 1612.304531][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1612.304531][   T10] 
[ 1622.544738][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1622.545203][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1622.545203][   T10]      netdev_get_by_index+0x5e/0x80
[ 1622.545203][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1622.545203][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1622.545203][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1622.545203][   T10]      ipv6_add_addr+0x411/0x2000
[ 1622.545203][   T10]      inet6_addr_add+0x30e/0xa40
[ 1622.545203][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1622.545203][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1622.545203][   T10]      netlink_rcv_skb+0x130/0x360
[ 1622.545203][   T10]      netlink_unicast+0x449/0x710
[ 1622.545203][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1622.545203][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1622.545203][   T10]      ___sys_sendmsg+0xee/0x170
[ 1622.545203][   T10]      __sys_sendmsg+0xcd/0x170
[ 1622.545203][   T10]      do_syscall_64+0xc6/0x1e0
[ 1622.545203][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1622.545203][   T10] 
[ 1622.547285][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1622.547285][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1622.547285][   T10]      ipv6_find_idev+0x102/0x170
[ 1622.547285][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1622.547285][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1622.547285][   T10]      netlink_rcv_skb+0x130/0x360
[ 1622.547285][   T10]      netlink_unicast+0x449/0x710
[ 1622.547285][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1622.547285][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1622.547285][   T10]      ___sys_sendmsg+0xee/0x170
[ 1622.547285][   T10]      __sys_sendmsg+0xcd/0x170
[ 1622.547285][   T10]      do_syscall_64+0xc6/0x1e0
[ 1622.547285][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1622.547285][   T10] 
[ 1622.548857][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1622.548857][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1622.548857][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1622.548857][   T10]      ipv6_find_idev+0x102/0x170
[ 1622.548857][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1622.548857][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1622.548857][   T10]      netlink_rcv_skb+0x130/0x360
[ 1622.548857][   T10]      netlink_unicast+0x449/0x710
[ 1622.548857][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1622.548857][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1622.548857][   T10]      ___sys_sendmsg+0xee/0x170
[ 1622.548857][   T10]      __sys_sendmsg+0xcd/0x170
[ 1622.548857][   T10]      do_syscall_64+0xc6/0x1e0
[ 1622.548857][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1622.548857][   T10] 
[ 1622.550578][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1622.550846][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1622.550846][   T10]      netdev_get_by_index+0x5e/0x80
[ 1622.550846][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1622.550846][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1622.550846][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1622.550846][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1622.550846][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1622.550846][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1622.550846][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1622.550846][   T10]      addrconf_dad_begin+0x310/0x670
[ 1622.550846][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1622.550846][   T10]      process_one_work+0x84d/0x18a0
[ 1622.550846][   T10]      worker_thread+0x587/0xd30
[ 1622.550846][   T10]      kthread+0x28a/0x350
[ 1622.550846][   T10]      ret_from_fork+0x31/0x70
[ 1622.550846][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1622.550846][   T10] 
[ 1622.552770][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1622.552770][   T10]      netdev_get_by_index+0x5e/0x80
[ 1622.552770][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1622.552770][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1622.552770][   T10]      ip6_route_add+0x1c/0x140
[ 1622.552770][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1622.552770][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1622.552770][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1622.552770][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1622.552770][   T10]      netlink_rcv_skb+0x130/0x360
[ 1622.552770][   T10]      netlink_unicast+0x449/0x710
[ 1622.552770][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1622.552770][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1622.552770][   T10]      ___sys_sendmsg+0xee/0x170
[ 1622.552770][   T10]      __sys_sendmsg+0xcd/0x170
[ 1622.552770][   T10]      do_syscall_64+0xc6/0x1e0
[ 1622.552770][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1622.552770][   T10] 
[ 1622.554814][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1622.554814][   T10]      netdev_get_by_index+0x5e/0x80
[ 1622.554814][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1622.554814][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1622.554814][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1622.554814][   T10]      ipv6_add_addr+0x411/0x2000
[ 1622.554814][   T10]      inet6_addr_add+0x30e/0xa40
[ 1622.554814][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1622.554814][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1622.554814][   T10]      netlink_rcv_skb+0x130/0x360
[ 1622.554814][   T10]      netlink_unicast+0x449/0x710
[ 1622.554814][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1622.554814][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1622.554814][   T10]      ___sys_sendmsg+0xee/0x170
[ 1622.554814][   T10]      __sys_sendmsg+0xcd/0x170
[ 1622.554814][   T10]      do_syscall_64+0xc6/0x1e0
[ 1622.554814][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1622.554814][   T10] 
[ 1622.556861][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1622.556861][   T10]      netdev_get_by_index+0x5e/0x80
[ 1622.556861][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1622.556861][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1622.556861][   T10]      ip6_route_add+0x1c/0x140
[ 1622.556861][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1622.556861][   T10]      addrconf_add_dev+0xe2/0x170
[ 1622.556861][   T10]      inet6_addr_add+0x12f/0xa40
[ 1622.556861][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1622.556861][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1622.556861][   T10]      netlink_rcv_skb+0x130/0x360
[ 1622.556861][   T10]      netlink_unicast+0x449/0x710
[ 1622.556861][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1622.556861][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1622.556861][   T10]      ___sys_sendmsg+0xee/0x170
[ 1622.556861][   T10]      __sys_sendmsg+0xcd/0x170
[ 1622.556861][   T10]      do_syscall_64+0xc6/0x1e0
[ 1622.556861][   T10] 
[ 1622.558867][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1622.558867][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1622.558867][   T10]      ipv6_find_idev+0x102/0x170
[ 1622.558867][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1622.558867][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1622.558867][   T10]      netlink_rcv_skb+0x130/0x360
[ 1622.558867][   T10]      netlink_unicast+0x449/0x710
[ 1622.558867][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1622.558867][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1622.558867][   T10]      ___sys_sendmsg+0xee/0x170
[ 1622.558867][   T10]      __sys_sendmsg+0xcd/0x170
[ 1622.558867][   T10]      do_syscall_64+0xc6/0x1e0
[ 1622.558867][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1622.558867][   T10] 
[ 1622.560445][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1622.560445][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1622.560445][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1622.560445][   T10]      ipv6_find_idev+0x102/0x170
[ 1622.560445][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1622.560445][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1622.560445][   T10]      netlink_rcv_skb+0x130/0x360
[ 1622.560445][   T10]      netlink_unicast+0x449/0x710
[ 1622.560445][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1622.560445][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1622.560445][   T10]      ___sys_sendmsg+0xee/0x170
[ 1622.560445][   T10]      __sys_sendmsg+0xcd/0x170
[ 1622.560445][   T10]      do_syscall_64+0xc6/0x1e0
[ 1622.560445][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1622.560445][   T10] 
[ 1632.840728][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1632.841202][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1632.841202][   T10]      netdev_get_by_index+0x5e/0x80
[ 1632.841202][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1632.841202][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1632.841202][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1632.841202][   T10]      ipv6_add_addr+0x411/0x2000
[ 1632.841202][   T10]      inet6_addr_add+0x30e/0xa40
[ 1632.841202][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1632.841202][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1632.841202][   T10]      netlink_rcv_skb+0x130/0x360
[ 1632.841202][   T10]      netlink_unicast+0x449/0x710
[ 1632.841202][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1632.841202][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1632.841202][   T10]      ___sys_sendmsg+0xee/0x170
[ 1632.841202][   T10]      __sys_sendmsg+0xcd/0x170
[ 1632.841202][   T10]      do_syscall_64+0xc6/0x1e0
[ 1632.841202][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1632.841202][   T10] 
[ 1632.843270][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1632.843270][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1632.843270][   T10]      ipv6_find_idev+0x102/0x170
[ 1632.843270][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1632.843270][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1632.843270][   T10]      netlink_rcv_skb+0x130/0x360
[ 1632.843270][   T10]      netlink_unicast+0x449/0x710
[ 1632.843270][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1632.843270][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1632.843270][   T10]      ___sys_sendmsg+0xee/0x170
[ 1632.843270][   T10]      __sys_sendmsg+0xcd/0x170
[ 1632.843270][   T10]      do_syscall_64+0xc6/0x1e0
[ 1632.843270][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1632.843270][   T10] 
[ 1632.844836][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1632.844836][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1632.844836][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1632.844836][   T10]      ipv6_find_idev+0x102/0x170
[ 1632.844836][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1632.844836][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1632.844836][   T10]      netlink_rcv_skb+0x130/0x360
[ 1632.844836][   T10]      netlink_unicast+0x449/0x710
[ 1632.844836][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1632.844836][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1632.844836][   T10]      ___sys_sendmsg+0xee/0x170
[ 1632.844836][   T10]      __sys_sendmsg+0xcd/0x170
[ 1632.844836][   T10]      do_syscall_64+0xc6/0x1e0
[ 1632.844836][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1632.844836][   T10] 
[ 1632.846587][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1632.846866][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1632.846866][   T10]      netdev_get_by_index+0x5e/0x80
[ 1632.846866][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1632.846866][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1632.846866][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1632.846866][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1632.846866][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1632.846866][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1632.846866][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1632.846866][   T10]      addrconf_dad_begin+0x310/0x670
[ 1632.846866][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1632.846866][   T10]      process_one_work+0x84d/0x18a0
[ 1632.846866][   T10]      worker_thread+0x587/0xd30
[ 1632.846866][   T10]      kthread+0x28a/0x350
[ 1632.846866][   T10]      ret_from_fork+0x31/0x70
[ 1632.846866][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1632.846866][   T10] 
[ 1632.848822][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1632.848822][   T10]      netdev_get_by_index+0x5e/0x80
[ 1632.848822][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1632.848822][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1632.848822][   T10]      ip6_route_add+0x1c/0x140
[ 1632.848822][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1632.848822][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1632.848822][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1632.848822][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1632.848822][   T10]      netlink_rcv_skb+0x130/0x360
[ 1632.848822][   T10]      netlink_unicast+0x449/0x710
[ 1632.848822][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1632.848822][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1632.848822][   T10]      ___sys_sendmsg+0xee/0x170
[ 1632.848822][   T10]      __sys_sendmsg+0xcd/0x170
[ 1632.848822][   T10]      do_syscall_64+0xc6/0x1e0
[ 1632.848822][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1632.848822][   T10] 
[ 1632.850861][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1632.850861][   T10]      netdev_get_by_index+0x5e/0x80
[ 1632.850861][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1632.850861][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1632.850861][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1632.850861][   T10]      ipv6_add_addr+0x411/0x2000
[ 1632.850861][   T10]      inet6_addr_add+0x30e/0xa40
[ 1632.850861][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1632.850861][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1632.850861][   T10]      netlink_rcv_skb+0x130/0x360
[ 1632.850861][   T10]      netlink_unicast+0x449/0x710
[ 1632.850861][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1632.850861][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1632.850861][   T10]      ___sys_sendmsg+0xee/0x170
[ 1632.850861][   T10]      __sys_sendmsg+0xcd/0x170
[ 1632.850861][   T10]      do_syscall_64+0xc6/0x1e0
[ 1632.850861][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1632.850861][   T10] 
[ 1632.852879][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1632.852879][   T10]      netdev_get_by_index+0x5e/0x80
[ 1632.852879][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1632.852879][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1632.852879][   T10]      ip6_route_add+0x1c/0x140
[ 1632.852879][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1632.852879][   T10]      addrconf_add_dev+0xe2/0x170
[ 1632.852879][   T10]      inet6_addr_add+0x12f/0xa40
[ 1632.852879][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1632.852879][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1632.852879][   T10]      netlink_rcv_skb+0x130/0x360
[ 1632.852879][   T10]      netlink_unicast+0x449/0x710
[ 1632.852879][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1632.852879][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1632.852879][   T10]      ___sys_sendmsg+0xee/0x170
[ 1632.852879][   T10]      __sys_sendmsg+0xcd/0x170
[ 1632.852879][   T10]      do_syscall_64+0xc6/0x1e0
[ 1632.852879][   T10] 
[ 1632.854861][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1632.854861][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1632.854861][   T10]      ipv6_find_idev+0x102/0x170
[ 1632.854861][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1632.854861][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1632.854861][   T10]      netlink_rcv_skb+0x130/0x360
[ 1632.854861][   T10]      netlink_unicast+0x449/0x710
[ 1632.854861][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1632.854861][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1632.854861][   T10]      ___sys_sendmsg+0xee/0x170
[ 1632.854861][   T10]      __sys_sendmsg+0xcd/0x170
[ 1632.854861][   T10]      do_syscall_64+0xc6/0x1e0
[ 1632.854861][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1632.854861][   T10] 
[ 1632.856436][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1632.856436][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1632.856436][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1632.856436][   T10]      ipv6_find_idev+0x102/0x170
[ 1632.856436][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1632.856436][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1632.856436][   T10]      netlink_rcv_skb+0x130/0x360
[ 1632.856436][   T10]      netlink_unicast+0x449/0x710
[ 1632.856436][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1632.856436][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1632.856436][   T10]      ___sys_sendmsg+0xee/0x170
[ 1632.856436][   T10]      __sys_sendmsg+0xcd/0x170
[ 1632.856436][   T10]      do_syscall_64+0xc6/0x1e0
[ 1632.856436][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1632.856436][   T10] 
[ 1643.096741][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1643.097202][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1643.097202][   T10]      netdev_get_by_index+0x5e/0x80
[ 1643.097202][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1643.097202][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1643.097202][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1643.097202][   T10]      ipv6_add_addr+0x411/0x2000
[ 1643.097202][   T10]      inet6_addr_add+0x30e/0xa40
[ 1643.097202][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1643.097202][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1643.097202][   T10]      netlink_rcv_skb+0x130/0x360
[ 1643.097202][   T10]      netlink_unicast+0x449/0x710
[ 1643.097202][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1643.097202][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1643.097202][   T10]      ___sys_sendmsg+0xee/0x170
[ 1643.097202][   T10]      __sys_sendmsg+0xcd/0x170
[ 1643.097202][   T10]      do_syscall_64+0xc6/0x1e0
[ 1643.097202][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1643.097202][   T10] 
[ 1643.099278][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1643.099278][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1643.099278][   T10]      ipv6_find_idev+0x102/0x170
[ 1643.099278][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1643.099278][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1643.099278][   T10]      netlink_rcv_skb+0x130/0x360
[ 1643.099278][   T10]      netlink_unicast+0x449/0x710
[ 1643.099278][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1643.099278][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1643.099278][   T10]      ___sys_sendmsg+0xee/0x170
[ 1643.099278][   T10]      __sys_sendmsg+0xcd/0x170
[ 1643.099278][   T10]      do_syscall_64+0xc6/0x1e0
[ 1643.099278][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1643.099278][   T10] 
[ 1643.100840][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1643.100840][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1643.100840][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1643.100840][   T10]      ipv6_find_idev+0x102/0x170
[ 1643.100840][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1643.100840][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1643.100840][   T10]      netlink_rcv_skb+0x130/0x360
[ 1643.100840][   T10]      netlink_unicast+0x449/0x710
[ 1643.100840][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1643.100840][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1643.100840][   T10]      ___sys_sendmsg+0xee/0x170
[ 1643.100840][   T10]      __sys_sendmsg+0xcd/0x170
[ 1643.100840][   T10]      do_syscall_64+0xc6/0x1e0
[ 1643.100840][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1643.100840][   T10] 
[ 1643.102566][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1643.102844][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1643.102844][   T10]      netdev_get_by_index+0x5e/0x80
[ 1643.102844][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1643.102844][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1643.102844][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1643.102844][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1643.102844][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1643.102844][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1643.102844][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1643.102844][   T10]      addrconf_dad_begin+0x310/0x670
[ 1643.102844][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1643.102844][   T10]      process_one_work+0x84d/0x18a0
[ 1643.102844][   T10]      worker_thread+0x587/0xd30
[ 1643.102844][   T10]      kthread+0x28a/0x350
[ 1643.102844][   T10]      ret_from_fork+0x31/0x70
[ 1643.102844][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1643.102844][   T10] 
[ 1643.104763][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1643.104763][   T10]      netdev_get_by_index+0x5e/0x80
[ 1643.104763][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1643.104763][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1643.104763][   T10]      ip6_route_add+0x1c/0x140
[ 1643.104763][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1643.104763][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1643.104763][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1643.104763][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1643.104763][   T10]      netlink_rcv_skb+0x130/0x360
[ 1643.104763][   T10]      netlink_unicast+0x449/0x710
[ 1643.104763][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1643.104763][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1643.104763][   T10]      ___sys_sendmsg+0xee/0x170
[ 1643.104763][   T10]      __sys_sendmsg+0xcd/0x170
[ 1643.104763][   T10]      do_syscall_64+0xc6/0x1e0
[ 1643.104763][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1643.104763][   T10] 
[ 1643.106805][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1643.106805][   T10]      netdev_get_by_index+0x5e/0x80
[ 1643.106805][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1643.106805][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1643.106805][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1643.106805][   T10]      ipv6_add_addr+0x411/0x2000
[ 1643.106805][   T10]      inet6_addr_add+0x30e/0xa40
[ 1643.106805][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1643.106805][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1643.106805][   T10]      netlink_rcv_skb+0x130/0x360
[ 1643.106805][   T10]      netlink_unicast+0x449/0x710
[ 1643.106805][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1643.106805][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1643.106805][   T10]      ___sys_sendmsg+0xee/0x170
[ 1643.106805][   T10]      __sys_sendmsg+0xcd/0x170
[ 1643.106805][   T10]      do_syscall_64+0xc6/0x1e0
[ 1643.106805][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1643.106805][   T10] 
[ 1643.108831][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1643.108831][   T10]      netdev_get_by_index+0x5e/0x80
[ 1643.108831][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1643.108831][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1643.108831][   T10]      ip6_route_add+0x1c/0x140
[ 1643.108831][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1643.108831][   T10]      addrconf_add_dev+0xe2/0x170
[ 1643.108831][   T10]      inet6_addr_add+0x12f/0xa40
[ 1643.108831][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1643.108831][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1643.108831][   T10]      netlink_rcv_skb+0x130/0x360
[ 1643.108831][   T10]      netlink_unicast+0x449/0x710
[ 1643.108831][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1643.108831][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1643.108831][   T10]      ___sys_sendmsg+0xee/0x170
[ 1643.108831][   T10]      __sys_sendmsg+0xcd/0x170
[ 1643.108831][   T10]      do_syscall_64+0xc6/0x1e0
[ 1643.108831][   T10] 
[ 1643.110820][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1643.110820][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1643.110820][   T10]      ipv6_find_idev+0x102/0x170
[ 1643.110820][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1643.110820][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1643.110820][   T10]      netlink_rcv_skb+0x130/0x360
[ 1643.110820][   T10]      netlink_unicast+0x449/0x710
[ 1643.110820][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1643.110820][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1643.110820][   T10]      ___sys_sendmsg+0xee/0x170
[ 1643.110820][   T10]      __sys_sendmsg+0xcd/0x170
[ 1643.110820][   T10]      do_syscall_64+0xc6/0x1e0
[ 1643.110820][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1643.110820][   T10] 
[ 1643.112400][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1643.112400][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1643.112400][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1643.112400][   T10]      ipv6_find_idev+0x102/0x170
[ 1643.112400][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1643.112400][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1643.112400][   T10]      netlink_rcv_skb+0x130/0x360
[ 1643.112400][   T10]      netlink_unicast+0x449/0x710
[ 1643.112400][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1643.112400][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1643.112400][   T10]      ___sys_sendmsg+0xee/0x170
[ 1643.112400][   T10]      __sys_sendmsg+0xcd/0x170
[ 1643.112400][   T10]      do_syscall_64+0xc6/0x1e0
[ 1643.112400][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1643.112400][   T10] 
[ 1653.352677][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1653.353104][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1653.353104][   T10]      netdev_get_by_index+0x5e/0x80
[ 1653.353104][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1653.353104][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1653.353104][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1653.353104][   T10]      ipv6_add_addr+0x411/0x2000
[ 1653.353104][   T10]      inet6_addr_add+0x30e/0xa40
[ 1653.353104][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1653.353104][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1653.353104][   T10]      netlink_rcv_skb+0x130/0x360
[ 1653.353104][   T10]      netlink_unicast+0x449/0x710
[ 1653.353104][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1653.353104][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1653.353104][   T10]      ___sys_sendmsg+0xee/0x170
[ 1653.353104][   T10]      __sys_sendmsg+0xcd/0x170
[ 1653.353104][   T10]      do_syscall_64+0xc6/0x1e0
[ 1653.353104][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1653.353104][   T10] 
[ 1653.355121][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1653.355121][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1653.355121][   T10]      ipv6_find_idev+0x102/0x170
[ 1653.355121][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1653.355121][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1653.355121][   T10]      netlink_rcv_skb+0x130/0x360
[ 1653.355121][   T10]      netlink_unicast+0x449/0x710
[ 1653.355121][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1653.355121][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1653.355121][   T10]      ___sys_sendmsg+0xee/0x170
[ 1653.355121][   T10]      __sys_sendmsg+0xcd/0x170
[ 1653.355121][   T10]      do_syscall_64+0xc6/0x1e0
[ 1653.355121][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1653.355121][   T10] 
[ 1653.356677][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1653.356677][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1653.356677][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1653.356677][   T10]      ipv6_find_idev+0x102/0x170
[ 1653.356677][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1653.356677][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1653.356677][   T10]      netlink_rcv_skb+0x130/0x360
[ 1653.356677][   T10]      netlink_unicast+0x449/0x710
[ 1653.356677][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1653.356677][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1653.356677][   T10]      ___sys_sendmsg+0xee/0x170
[ 1653.356677][   T10]      __sys_sendmsg+0xcd/0x170
[ 1653.356677][   T10]      do_syscall_64+0xc6/0x1e0
[ 1653.356677][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1653.356677][   T10] 
[ 1653.358376][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1653.358631][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1653.358631][   T10]      netdev_get_by_index+0x5e/0x80
[ 1653.358631][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1653.358631][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1653.358631][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1653.358631][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1653.358631][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1653.358631][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1653.358631][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1653.358631][   T10]      addrconf_dad_begin+0x310/0x670
[ 1653.358631][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1653.358631][   T10]      process_one_work+0x84d/0x18a0
[ 1653.358631][   T10]      worker_thread+0x587/0xd30
[ 1653.358631][   T10]      kthread+0x28a/0x350
[ 1653.358631][   T10]      ret_from_fork+0x31/0x70
[ 1653.358631][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1653.358631][   T10] 
[ 1653.360516][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1653.360516][   T10]      netdev_get_by_index+0x5e/0x80
[ 1653.360516][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1653.360516][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1653.360516][   T10]      ip6_route_add+0x1c/0x140
[ 1653.360516][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1653.360516][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1653.360516][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1653.360516][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1653.360516][   T10]      netlink_rcv_skb+0x130/0x360
[ 1653.360516][   T10]      netlink_unicast+0x449/0x710
[ 1653.360516][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1653.360516][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1653.360516][   T10]      ___sys_sendmsg+0xee/0x170
[ 1653.360516][   T10]      __sys_sendmsg+0xcd/0x170
[ 1653.360516][   T10]      do_syscall_64+0xc6/0x1e0
[ 1653.360516][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1653.360516][   T10] 
[ 1653.362522][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1653.362522][   T10]      netdev_get_by_index+0x5e/0x80
[ 1653.362522][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1653.362522][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1653.362522][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1653.362522][   T10]      ipv6_add_addr+0x411/0x2000
[ 1653.362522][   T10]      inet6_addr_add+0x30e/0xa40
[ 1653.362522][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1653.362522][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1653.362522][   T10]      netlink_rcv_skb+0x130/0x360
[ 1653.362522][   T10]      netlink_unicast+0x449/0x710
[ 1653.362522][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1653.362522][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1653.362522][   T10]      ___sys_sendmsg+0xee/0x170
[ 1653.362522][   T10]      __sys_sendmsg+0xcd/0x170
[ 1653.362522][   T10]      do_syscall_64+0xc6/0x1e0
[ 1653.362522][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1653.362522][   T10] 
[ 1653.364519][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1653.364519][   T10]      netdev_get_by_index+0x5e/0x80
[ 1653.364519][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1653.364519][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1653.364519][   T10]      ip6_route_add+0x1c/0x140
[ 1653.364519][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1653.364519][   T10]      addrconf_add_dev+0xe2/0x170
[ 1653.364519][   T10]      inet6_addr_add+0x12f/0xa40
[ 1653.364519][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1653.364519][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1653.364519][   T10]      netlink_rcv_skb+0x130/0x360
[ 1653.364519][   T10]      netlink_unicast+0x449/0x710
[ 1653.364519][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1653.364519][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1653.364519][   T10]      ___sys_sendmsg+0xee/0x170
[ 1653.364519][   T10]      __sys_sendmsg+0xcd/0x170
[ 1653.364519][   T10]      do_syscall_64+0xc6/0x1e0
[ 1653.364519][   T10] 
[ 1653.366483][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1653.366483][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1653.366483][   T10]      ipv6_find_idev+0x102/0x170
[ 1653.366483][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1653.366483][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1653.366483][   T10]      netlink_rcv_skb+0x130/0x360
[ 1653.366483][   T10]      netlink_unicast+0x449/0x710
[ 1653.366483][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1653.366483][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1653.366483][   T10]      ___sys_sendmsg+0xee/0x170
[ 1653.366483][   T10]      __sys_sendmsg+0xcd/0x170
[ 1653.366483][   T10]      do_syscall_64+0xc6/0x1e0
[ 1653.366483][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1653.366483][   T10] 
[ 1653.368020][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1653.368020][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1653.368020][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1653.368020][   T10]      ipv6_find_idev+0x102/0x170
[ 1653.368020][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1653.368020][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1653.368020][   T10]      netlink_rcv_skb+0x130/0x360
[ 1653.368020][   T10]      netlink_unicast+0x449/0x710
[ 1653.368020][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1653.368020][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1653.368020][   T10]      ___sys_sendmsg+0xee/0x170
[ 1653.368020][   T10]      __sys_sendmsg+0xcd/0x170
[ 1653.368020][   T10]      do_syscall_64+0xc6/0x1e0
[ 1653.368020][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1653.368020][   T10] 
[ 1663.608665][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1663.609131][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1663.609131][   T10]      netdev_get_by_index+0x5e/0x80
[ 1663.609131][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1663.609131][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1663.609131][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1663.609131][   T10]      ipv6_add_addr+0x411/0x2000
[ 1663.609131][   T10]      inet6_addr_add+0x30e/0xa40
[ 1663.609131][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1663.609131][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1663.609131][   T10]      netlink_rcv_skb+0x130/0x360
[ 1663.609131][   T10]      netlink_unicast+0x449/0x710
[ 1663.609131][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1663.609131][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1663.609131][   T10]      ___sys_sendmsg+0xee/0x170
[ 1663.609131][   T10]      __sys_sendmsg+0xcd/0x170
[ 1663.609131][   T10]      do_syscall_64+0xc6/0x1e0
[ 1663.609131][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1663.609131][   T10] 
[ 1663.611173][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1663.611173][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1663.611173][   T10]      ipv6_find_idev+0x102/0x170
[ 1663.611173][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1663.611173][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1663.611173][   T10]      netlink_rcv_skb+0x130/0x360
[ 1663.611173][   T10]      netlink_unicast+0x449/0x710
[ 1663.611173][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1663.611173][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1663.611173][   T10]      ___sys_sendmsg+0xee/0x170
[ 1663.611173][   T10]      __sys_sendmsg+0xcd/0x170
[ 1663.611173][   T10]      do_syscall_64+0xc6/0x1e0
[ 1663.611173][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1663.611173][   T10] 
[ 1663.612713][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1663.612713][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1663.612713][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1663.612713][   T10]      ipv6_find_idev+0x102/0x170
[ 1663.612713][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1663.612713][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1663.612713][   T10]      netlink_rcv_skb+0x130/0x360
[ 1663.612713][   T10]      netlink_unicast+0x449/0x710
[ 1663.612713][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1663.612713][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1663.612713][   T10]      ___sys_sendmsg+0xee/0x170
[ 1663.612713][   T10]      __sys_sendmsg+0xcd/0x170
[ 1663.612713][   T10]      do_syscall_64+0xc6/0x1e0
[ 1663.612713][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1663.612713][   T10] 
[ 1663.614426][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1663.614690][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1663.614690][   T10]      netdev_get_by_index+0x5e/0x80
[ 1663.614690][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1663.614690][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1663.614690][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1663.614690][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1663.614690][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1663.614690][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1663.614690][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1663.614690][   T10]      addrconf_dad_begin+0x310/0x670
[ 1663.614690][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1663.614690][   T10]      process_one_work+0x84d/0x18a0
[ 1663.614690][   T10]      worker_thread+0x587/0xd30
[ 1663.614690][   T10]      kthread+0x28a/0x350
[ 1663.614690][   T10]      ret_from_fork+0x31/0x70
[ 1663.614690][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1663.614690][   T10] 
[ 1663.616595][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1663.616595][   T10]      netdev_get_by_index+0x5e/0x80
[ 1663.616595][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1663.616595][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1663.616595][   T10]      ip6_route_add+0x1c/0x140
[ 1663.616595][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1663.616595][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1663.616595][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1663.616595][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1663.616595][   T10]      netlink_rcv_skb+0x130/0x360
[ 1663.616595][   T10]      netlink_unicast+0x449/0x710
[ 1663.616595][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1663.616595][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1663.616595][   T10]      ___sys_sendmsg+0xee/0x170
[ 1663.616595][   T10]      __sys_sendmsg+0xcd/0x170
[ 1663.616595][   T10]      do_syscall_64+0xc6/0x1e0
[ 1663.616595][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1663.616595][   T10] 
[ 1663.618600][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1663.618600][   T10]      netdev_get_by_index+0x5e/0x80
[ 1663.618600][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1663.618600][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1663.618600][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1663.618600][   T10]      ipv6_add_addr+0x411/0x2000
[ 1663.618600][   T10]      inet6_addr_add+0x30e/0xa40
[ 1663.618600][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1663.618600][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1663.618600][   T10]      netlink_rcv_skb+0x130/0x360
[ 1663.618600][   T10]      netlink_unicast+0x449/0x710
[ 1663.618600][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1663.618600][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1663.618600][   T10]      ___sys_sendmsg+0xee/0x170
[ 1663.618600][   T10]      __sys_sendmsg+0xcd/0x170
[ 1663.618600][   T10]      do_syscall_64+0xc6/0x1e0
[ 1663.618600][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1663.618600][   T10] 
[ 1663.620600][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1663.620600][   T10]      netdev_get_by_index+0x5e/0x80
[ 1663.620600][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1663.620600][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1663.620600][   T10]      ip6_route_add+0x1c/0x140
[ 1663.620600][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1663.620600][   T10]      addrconf_add_dev+0xe2/0x170
[ 1663.620600][   T10]      inet6_addr_add+0x12f/0xa40
[ 1663.620600][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1663.620600][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1663.620600][   T10]      netlink_rcv_skb+0x130/0x360
[ 1663.620600][   T10]      netlink_unicast+0x449/0x710
[ 1663.620600][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1663.620600][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1663.620600][   T10]      ___sys_sendmsg+0xee/0x170
[ 1663.620600][   T10]      __sys_sendmsg+0xcd/0x170
[ 1663.620600][   T10]      do_syscall_64+0xc6/0x1e0
[ 1663.620600][   T10] 
[ 1663.622556][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1663.622556][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1663.622556][   T10]      ipv6_find_idev+0x102/0x170
[ 1663.622556][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1663.622556][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1663.622556][   T10]      netlink_rcv_skb+0x130/0x360
[ 1663.622556][   T10]      netlink_unicast+0x449/0x710
[ 1663.622556][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1663.622556][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1663.622556][   T10]      ___sys_sendmsg+0xee/0x170
[ 1663.622556][   T10]      __sys_sendmsg+0xcd/0x170
[ 1663.622556][   T10]      do_syscall_64+0xc6/0x1e0
[ 1663.622556][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1663.622556][   T10] 
[ 1663.624092][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1663.624092][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1663.624092][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1663.624092][   T10]      ipv6_find_idev+0x102/0x170
[ 1663.624092][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1663.624092][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1663.624092][   T10]      netlink_rcv_skb+0x130/0x360
[ 1663.624092][   T10]      netlink_unicast+0x449/0x710
[ 1663.624092][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1663.624092][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1663.624092][   T10]      ___sys_sendmsg+0xee/0x170
[ 1663.624092][   T10]      __sys_sendmsg+0xcd/0x170
[ 1663.624092][   T10]      do_syscall_64+0xc6/0x1e0
[ 1663.624092][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1663.624092][   T10] 
[ 1673.864672][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1673.865152][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1673.865152][   T10]      netdev_get_by_index+0x5e/0x80
[ 1673.865152][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1673.865152][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1673.865152][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1673.865152][   T10]      ipv6_add_addr+0x411/0x2000
[ 1673.865152][   T10]      inet6_addr_add+0x30e/0xa40
[ 1673.865152][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1673.865152][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1673.865152][   T10]      netlink_rcv_skb+0x130/0x360
[ 1673.865152][   T10]      netlink_unicast+0x449/0x710
[ 1673.865152][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1673.865152][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1673.865152][   T10]      ___sys_sendmsg+0xee/0x170
[ 1673.865152][   T10]      __sys_sendmsg+0xcd/0x170
[ 1673.865152][   T10]      do_syscall_64+0xc6/0x1e0
[ 1673.865152][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1673.865152][   T10] 
[ 1673.867177][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1673.867177][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1673.867177][   T10]      ipv6_find_idev+0x102/0x170
[ 1673.867177][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1673.867177][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1673.867177][   T10]      netlink_rcv_skb+0x130/0x360
[ 1673.867177][   T10]      netlink_unicast+0x449/0x710
[ 1673.867177][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1673.867177][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1673.867177][   T10]      ___sys_sendmsg+0xee/0x170
[ 1673.867177][   T10]      __sys_sendmsg+0xcd/0x170
[ 1673.867177][   T10]      do_syscall_64+0xc6/0x1e0
[ 1673.867177][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1673.867177][   T10] 
[ 1673.868735][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1673.868735][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1673.868735][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1673.868735][   T10]      ipv6_find_idev+0x102/0x170
[ 1673.868735][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1673.868735][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1673.868735][   T10]      netlink_rcv_skb+0x130/0x360
[ 1673.868735][   T10]      netlink_unicast+0x449/0x710
[ 1673.868735][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1673.868735][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1673.868735][   T10]      ___sys_sendmsg+0xee/0x170
[ 1673.868735][   T10]      __sys_sendmsg+0xcd/0x170
[ 1673.868735][   T10]      do_syscall_64+0xc6/0x1e0
[ 1673.868735][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1673.868735][   T10] 
[ 1673.870431][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1673.870694][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1673.870694][   T10]      netdev_get_by_index+0x5e/0x80
[ 1673.870694][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1673.870694][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1673.870694][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1673.870694][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1673.870694][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1673.870694][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1673.870694][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1673.870694][   T10]      addrconf_dad_begin+0x310/0x670
[ 1673.870694][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1673.870694][   T10]      process_one_work+0x84d/0x18a0
[ 1673.870694][   T10]      worker_thread+0x587/0xd30
[ 1673.870694][   T10]      kthread+0x28a/0x350
[ 1673.870694][   T10]      ret_from_fork+0x31/0x70
[ 1673.870694][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1673.870694][   T10] 
[ 1673.872583][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1673.872583][   T10]      netdev_get_by_index+0x5e/0x80
[ 1673.872583][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1673.872583][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1673.872583][   T10]      ip6_route_add+0x1c/0x140
[ 1673.872583][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1673.872583][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1673.872583][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1673.872583][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1673.872583][   T10]      netlink_rcv_skb+0x130/0x360
[ 1673.872583][   T10]      netlink_unicast+0x449/0x710
[ 1673.872583][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1673.872583][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1673.872583][   T10]      ___sys_sendmsg+0xee/0x170
[ 1673.872583][   T10]      __sys_sendmsg+0xcd/0x170
[ 1673.872583][   T10]      do_syscall_64+0xc6/0x1e0
[ 1673.872583][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1673.872583][   T10] 
[ 1673.874652][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1673.874652][   T10]      netdev_get_by_index+0x5e/0x80
[ 1673.874652][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1673.874652][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1673.874652][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1673.874652][   T10]      ipv6_add_addr+0x411/0x2000
[ 1673.874652][   T10]      inet6_addr_add+0x30e/0xa40
[ 1673.874652][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1673.874652][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1673.874652][   T10]      netlink_rcv_skb+0x130/0x360
[ 1673.874652][   T10]      netlink_unicast+0x449/0x710
[ 1673.874652][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1673.874652][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1673.874652][   T10]      ___sys_sendmsg+0xee/0x170
[ 1673.874652][   T10]      __sys_sendmsg+0xcd/0x170
[ 1673.874652][   T10]      do_syscall_64+0xc6/0x1e0
[ 1673.874652][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1673.874652][   T10] 
[ 1673.876676][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1673.876676][   T10]      netdev_get_by_index+0x5e/0x80
[ 1673.876676][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1673.876676][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1673.876676][   T10]      ip6_route_add+0x1c/0x140
[ 1673.876676][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1673.876676][   T10]      addrconf_add_dev+0xe2/0x170
[ 1673.876676][   T10]      inet6_addr_add+0x12f/0xa40
[ 1673.876676][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1673.876676][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1673.876676][   T10]      netlink_rcv_skb+0x130/0x360
[ 1673.876676][   T10]      netlink_unicast+0x449/0x710
[ 1673.876676][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1673.876676][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1673.876676][   T10]      ___sys_sendmsg+0xee/0x170
[ 1673.876676][   T10]      __sys_sendmsg+0xcd/0x170
[ 1673.876676][   T10]      do_syscall_64+0xc6/0x1e0
[ 1673.876676][   T10] 
[ 1673.878662][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1673.878662][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1673.878662][   T10]      ipv6_find_idev+0x102/0x170
[ 1673.878662][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1673.878662][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1673.878662][   T10]      netlink_rcv_skb+0x130/0x360
[ 1673.878662][   T10]      netlink_unicast+0x449/0x710
[ 1673.878662][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1673.878662][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1673.878662][   T10]      ___sys_sendmsg+0xee/0x170
[ 1673.878662][   T10]      __sys_sendmsg+0xcd/0x170
[ 1673.878662][   T10]      do_syscall_64+0xc6/0x1e0
[ 1673.878662][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1673.878662][   T10] 
[ 1673.880215][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1673.880215][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1673.880215][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1673.880215][   T10]      ipv6_find_idev+0x102/0x170
[ 1673.880215][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1673.880215][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1673.880215][   T10]      netlink_rcv_skb+0x130/0x360
[ 1673.880215][   T10]      netlink_unicast+0x449/0x710
[ 1673.880215][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1673.880215][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1673.880215][   T10]      ___sys_sendmsg+0xee/0x170
[ 1673.880215][   T10]      __sys_sendmsg+0xcd/0x170
[ 1673.880215][   T10]      do_syscall_64+0xc6/0x1e0
[ 1673.880215][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1673.880215][   T10] 
[ 1684.120691][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1684.121158][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1684.121158][   T10]      netdev_get_by_index+0x5e/0x80
[ 1684.121158][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1684.121158][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1684.121158][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1684.121158][   T10]      ipv6_add_addr+0x411/0x2000
[ 1684.121158][   T10]      inet6_addr_add+0x30e/0xa40
[ 1684.121158][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1684.121158][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1684.121158][   T10]      netlink_rcv_skb+0x130/0x360
[ 1684.121158][   T10]      netlink_unicast+0x449/0x710
[ 1684.121158][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1684.121158][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1684.121158][   T10]      ___sys_sendmsg+0xee/0x170
[ 1684.121158][   T10]      __sys_sendmsg+0xcd/0x170
[ 1684.121158][   T10]      do_syscall_64+0xc6/0x1e0
[ 1684.121158][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1684.121158][   T10] 
[ 1684.123204][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1684.123204][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1684.123204][   T10]      ipv6_find_idev+0x102/0x170
[ 1684.123204][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1684.123204][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1684.123204][   T10]      netlink_rcv_skb+0x130/0x360
[ 1684.123204][   T10]      netlink_unicast+0x449/0x710
[ 1684.123204][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1684.123204][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1684.123204][   T10]      ___sys_sendmsg+0xee/0x170
[ 1684.123204][   T10]      __sys_sendmsg+0xcd/0x170
[ 1684.123204][   T10]      do_syscall_64+0xc6/0x1e0
[ 1684.123204][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1684.123204][   T10] 
[ 1684.124748][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1684.124748][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1684.124748][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1684.124748][   T10]      ipv6_find_idev+0x102/0x170
[ 1684.124748][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1684.124748][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1684.124748][   T10]      netlink_rcv_skb+0x130/0x360
[ 1684.124748][   T10]      netlink_unicast+0x449/0x710
[ 1684.124748][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1684.124748][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1684.124748][   T10]      ___sys_sendmsg+0xee/0x170
[ 1684.124748][   T10]      __sys_sendmsg+0xcd/0x170
[ 1684.124748][   T10]      do_syscall_64+0xc6/0x1e0
[ 1684.124748][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1684.124748][   T10] 
[ 1684.126444][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1684.126717][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1684.126717][   T10]      netdev_get_by_index+0x5e/0x80
[ 1684.126717][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1684.126717][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1684.126717][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1684.126717][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1684.126717][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1684.126717][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1684.126717][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1684.126717][   T10]      addrconf_dad_begin+0x310/0x670
[ 1684.126717][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1684.126717][   T10]      process_one_work+0x84d/0x18a0
[ 1684.126717][   T10]      worker_thread+0x587/0xd30
[ 1684.126717][   T10]      kthread+0x28a/0x350
[ 1684.126717][   T10]      ret_from_fork+0x31/0x70
[ 1684.126717][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1684.126717][   T10] 
[ 1684.128602][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1684.128602][   T10]      netdev_get_by_index+0x5e/0x80
[ 1684.128602][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1684.128602][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1684.128602][   T10]      ip6_route_add+0x1c/0x140
[ 1684.128602][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1684.128602][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1684.128602][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1684.128602][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1684.128602][   T10]      netlink_rcv_skb+0x130/0x360
[ 1684.128602][   T10]      netlink_unicast+0x449/0x710
[ 1684.128602][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1684.128602][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1684.128602][   T10]      ___sys_sendmsg+0xee/0x170
[ 1684.128602][   T10]      __sys_sendmsg+0xcd/0x170
[ 1684.128602][   T10]      do_syscall_64+0xc6/0x1e0
[ 1684.128602][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1684.128602][   T10] 
[ 1684.130603][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1684.130603][   T10]      netdev_get_by_index+0x5e/0x80
[ 1684.130603][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1684.130603][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1684.130603][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1684.130603][   T10]      ipv6_add_addr+0x411/0x2000
[ 1684.130603][   T10]      inet6_addr_add+0x30e/0xa40
[ 1684.130603][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1684.130603][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1684.130603][   T10]      netlink_rcv_skb+0x130/0x360
[ 1684.130603][   T10]      netlink_unicast+0x449/0x710
[ 1684.130603][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1684.130603][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1684.130603][   T10]      ___sys_sendmsg+0xee/0x170
[ 1684.130603][   T10]      __sys_sendmsg+0xcd/0x170
[ 1684.130603][   T10]      do_syscall_64+0xc6/0x1e0
[ 1684.130603][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1684.130603][   T10] 
[ 1684.132599][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1684.132599][   T10]      netdev_get_by_index+0x5e/0x80
[ 1684.132599][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1684.132599][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1684.132599][   T10]      ip6_route_add+0x1c/0x140
[ 1684.132599][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1684.132599][   T10]      addrconf_add_dev+0xe2/0x170
[ 1684.132599][   T10]      inet6_addr_add+0x12f/0xa40
[ 1684.132599][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1684.132599][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1684.132599][   T10]      netlink_rcv_skb+0x130/0x360
[ 1684.132599][   T10]      netlink_unicast+0x449/0x710
[ 1684.132599][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1684.132599][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1684.132599][   T10]      ___sys_sendmsg+0xee/0x170
[ 1684.132599][   T10]      __sys_sendmsg+0xcd/0x170
[ 1684.132599][   T10]      do_syscall_64+0xc6/0x1e0
[ 1684.132599][   T10] 
[ 1684.134558][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1684.134558][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1684.134558][   T10]      ipv6_find_idev+0x102/0x170
[ 1684.134558][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1684.134558][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1684.134558][   T10]      netlink_rcv_skb+0x130/0x360
[ 1684.134558][   T10]      netlink_unicast+0x449/0x710
[ 1684.134558][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1684.134558][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1684.134558][   T10]      ___sys_sendmsg+0xee/0x170
[ 1684.134558][   T10]      __sys_sendmsg+0xcd/0x170
[ 1684.134558][   T10]      do_syscall_64+0xc6/0x1e0
[ 1684.134558][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1684.134558][   T10] 
[ 1684.136108][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1684.136108][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1684.136108][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1684.136108][   T10]      ipv6_find_idev+0x102/0x170
[ 1684.136108][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1684.136108][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1684.136108][   T10]      netlink_rcv_skb+0x130/0x360
[ 1684.136108][   T10]      netlink_unicast+0x449/0x710
[ 1684.136108][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1684.136108][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1684.136108][   T10]      ___sys_sendmsg+0xee/0x170
[ 1684.136108][   T10]      __sys_sendmsg+0xcd/0x170
[ 1684.136108][   T10]      do_syscall_64+0xc6/0x1e0
[ 1684.136108][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1684.136108][   T10] 
[ 1694.376669][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1694.377143][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1694.377143][   T10]      netdev_get_by_index+0x5e/0x80
[ 1694.377143][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1694.377143][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1694.377143][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1694.377143][   T10]      ipv6_add_addr+0x411/0x2000
[ 1694.377143][   T10]      inet6_addr_add+0x30e/0xa40
[ 1694.377143][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1694.377143][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1694.377143][   T10]      netlink_rcv_skb+0x130/0x360
[ 1694.377143][   T10]      netlink_unicast+0x449/0x710
[ 1694.377143][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1694.377143][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1694.377143][   T10]      ___sys_sendmsg+0xee/0x170
[ 1694.377143][   T10]      __sys_sendmsg+0xcd/0x170
[ 1694.377143][   T10]      do_syscall_64+0xc6/0x1e0
[ 1694.377143][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1694.377143][   T10] 
[ 1694.379178][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1694.379178][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1694.379178][   T10]      ipv6_find_idev+0x102/0x170
[ 1694.379178][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1694.379178][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1694.379178][   T10]      netlink_rcv_skb+0x130/0x360
[ 1694.379178][   T10]      netlink_unicast+0x449/0x710
[ 1694.379178][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1694.379178][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1694.379178][   T10]      ___sys_sendmsg+0xee/0x170
[ 1694.379178][   T10]      __sys_sendmsg+0xcd/0x170
[ 1694.379178][   T10]      do_syscall_64+0xc6/0x1e0
[ 1694.379178][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1694.379178][   T10] 
[ 1694.380736][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1694.380736][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1694.380736][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1694.380736][   T10]      ipv6_find_idev+0x102/0x170
[ 1694.380736][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1694.380736][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1694.380736][   T10]      netlink_rcv_skb+0x130/0x360
[ 1694.380736][   T10]      netlink_unicast+0x449/0x710
[ 1694.380736][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1694.380736][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1694.380736][   T10]      ___sys_sendmsg+0xee/0x170
[ 1694.380736][   T10]      __sys_sendmsg+0xcd/0x170
[ 1694.380736][   T10]      do_syscall_64+0xc6/0x1e0
[ 1694.380736][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1694.380736][   T10] 
[ 1694.382423][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1694.382677][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1694.382677][   T10]      netdev_get_by_index+0x5e/0x80
[ 1694.382677][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1694.382677][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1694.382677][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1694.382677][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1694.382677][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1694.382677][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1694.382677][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1694.382677][   T10]      addrconf_dad_begin+0x310/0x670
[ 1694.382677][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1694.382677][   T10]      process_one_work+0x84d/0x18a0
[ 1694.382677][   T10]      worker_thread+0x587/0xd30
[ 1694.382677][   T10]      kthread+0x28a/0x350
[ 1694.382677][   T10]      ret_from_fork+0x31/0x70
[ 1694.382677][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1694.382677][   T10] 
[ 1694.384572][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1694.384572][   T10]      netdev_get_by_index+0x5e/0x80
[ 1694.384572][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1694.384572][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1694.384572][   T10]      ip6_route_add+0x1c/0x140
[ 1694.384572][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1694.384572][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1694.384572][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1694.384572][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1694.384572][   T10]      netlink_rcv_skb+0x130/0x360
[ 1694.384572][   T10]      netlink_unicast+0x449/0x710
[ 1694.384572][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1694.384572][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1694.384572][   T10]      ___sys_sendmsg+0xee/0x170
[ 1694.384572][   T10]      __sys_sendmsg+0xcd/0x170
[ 1694.384572][   T10]      do_syscall_64+0xc6/0x1e0
[ 1694.384572][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1694.384572][   T10] 
[ 1694.386578][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1694.386578][   T10]      netdev_get_by_index+0x5e/0x80
[ 1694.386578][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1694.386578][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1694.386578][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1694.386578][   T10]      ipv6_add_addr+0x411/0x2000
[ 1694.386578][   T10]      inet6_addr_add+0x30e/0xa40
[ 1694.386578][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1694.386578][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1694.386578][   T10]      netlink_rcv_skb+0x130/0x360
[ 1694.386578][   T10]      netlink_unicast+0x449/0x710
[ 1694.386578][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1694.386578][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1694.386578][   T10]      ___sys_sendmsg+0xee/0x170
[ 1694.386578][   T10]      __sys_sendmsg+0xcd/0x170
[ 1694.386578][   T10]      do_syscall_64+0xc6/0x1e0
[ 1694.386578][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1694.386578][   T10] 
[ 1694.388575][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1694.388575][   T10]      netdev_get_by_index+0x5e/0x80
[ 1694.388575][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1694.388575][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1694.388575][   T10]      ip6_route_add+0x1c/0x140
[ 1694.388575][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1694.388575][   T10]      addrconf_add_dev+0xe2/0x170
[ 1694.388575][   T10]      inet6_addr_add+0x12f/0xa40
[ 1694.388575][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1694.388575][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1694.388575][   T10]      netlink_rcv_skb+0x130/0x360
[ 1694.388575][   T10]      netlink_unicast+0x449/0x710
[ 1694.388575][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1694.388575][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1694.388575][   T10]      ___sys_sendmsg+0xee/0x170
[ 1694.388575][   T10]      __sys_sendmsg+0xcd/0x170
[ 1694.388575][   T10]      do_syscall_64+0xc6/0x1e0
[ 1694.388575][   T10] 
[ 1694.390545][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1694.390545][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1694.390545][   T10]      ipv6_find_idev+0x102/0x170
[ 1694.390545][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1694.390545][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1694.390545][   T10]      netlink_rcv_skb+0x130/0x360
[ 1694.390545][   T10]      netlink_unicast+0x449/0x710
[ 1694.390545][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1694.390545][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1694.390545][   T10]      ___sys_sendmsg+0xee/0x170
[ 1694.390545][   T10]      __sys_sendmsg+0xcd/0x170
[ 1694.390545][   T10]      do_syscall_64+0xc6/0x1e0
[ 1694.390545][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1694.390545][   T10] 
[ 1694.392096][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1694.392096][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1694.392096][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1694.392096][   T10]      ipv6_find_idev+0x102/0x170
[ 1694.392096][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1694.392096][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1694.392096][   T10]      netlink_rcv_skb+0x130/0x360
[ 1694.392096][   T10]      netlink_unicast+0x449/0x710
[ 1694.392096][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1694.392096][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1694.392096][   T10]      ___sys_sendmsg+0xee/0x170
[ 1694.392096][   T10]      __sys_sendmsg+0xcd/0x170
[ 1694.392096][   T10]      do_syscall_64+0xc6/0x1e0
[ 1694.392096][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1694.392096][   T10] 
[ 1704.632741][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1704.633199][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1704.633199][   T10]      netdev_get_by_index+0x5e/0x80
[ 1704.633199][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1704.633199][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1704.633199][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1704.633199][   T10]      ipv6_add_addr+0x411/0x2000
[ 1704.633199][   T10]      inet6_addr_add+0x30e/0xa40
[ 1704.633199][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1704.633199][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1704.633199][   T10]      netlink_rcv_skb+0x130/0x360
[ 1704.633199][   T10]      netlink_unicast+0x449/0x710
[ 1704.633199][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1704.633199][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1704.633199][   T10]      ___sys_sendmsg+0xee/0x170
[ 1704.633199][   T10]      __sys_sendmsg+0xcd/0x170
[ 1704.633199][   T10]      do_syscall_64+0xc6/0x1e0
[ 1704.633199][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1704.633199][   T10] 
[ 1704.635353][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1704.635353][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1704.635353][   T10]      ipv6_find_idev+0x102/0x170
[ 1704.635353][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1704.635353][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1704.635353][   T10]      netlink_rcv_skb+0x130/0x360
[ 1704.635353][   T10]      netlink_unicast+0x449/0x710
[ 1704.635353][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1704.635353][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1704.635353][   T10]      ___sys_sendmsg+0xee/0x170
[ 1704.635353][   T10]      __sys_sendmsg+0xcd/0x170
[ 1704.635353][   T10]      do_syscall_64+0xc6/0x1e0
[ 1704.635353][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1704.635353][   T10] 
[ 1704.636900][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1704.636900][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1704.636900][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1704.636900][   T10]      ipv6_find_idev+0x102/0x170
[ 1704.636900][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1704.636900][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1704.636900][   T10]      netlink_rcv_skb+0x130/0x360
[ 1704.636900][   T10]      netlink_unicast+0x449/0x710
[ 1704.636900][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1704.636900][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1704.636900][   T10]      ___sys_sendmsg+0xee/0x170
[ 1704.636900][   T10]      __sys_sendmsg+0xcd/0x170
[ 1704.636900][   T10]      do_syscall_64+0xc6/0x1e0
[ 1704.636900][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1704.636900][   T10] 
[ 1704.638595][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1704.638885][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1704.638885][   T10]      netdev_get_by_index+0x5e/0x80
[ 1704.638885][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1704.638885][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1704.638885][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1704.638885][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1704.638885][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1704.638885][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1704.638885][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1704.638885][   T10]      addrconf_dad_begin+0x310/0x670
[ 1704.638885][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1704.638885][   T10]      process_one_work+0x84d/0x18a0
[ 1704.638885][   T10]      worker_thread+0x587/0xd30
[ 1704.638885][   T10]      kthread+0x28a/0x350
[ 1704.638885][   T10]      ret_from_fork+0x31/0x70
[ 1704.638885][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1704.638885][   T10] 
[ 1704.640783][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1704.640783][   T10]      netdev_get_by_index+0x5e/0x80
[ 1704.640783][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1704.640783][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1704.640783][   T10]      ip6_route_add+0x1c/0x140
[ 1704.640783][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1704.640783][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1704.640783][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1704.640783][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1704.640783][   T10]      netlink_rcv_skb+0x130/0x360
[ 1704.640783][   T10]      netlink_unicast+0x449/0x710
[ 1704.640783][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1704.640783][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1704.640783][   T10]      ___sys_sendmsg+0xee/0x170
[ 1704.640783][   T10]      __sys_sendmsg+0xcd/0x170
[ 1704.640783][   T10]      do_syscall_64+0xc6/0x1e0
[ 1704.640783][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1704.640783][   T10] 
[ 1704.642791][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1704.642791][   T10]      netdev_get_by_index+0x5e/0x80
[ 1704.642791][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1704.642791][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1704.642791][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1704.642791][   T10]      ipv6_add_addr+0x411/0x2000
[ 1704.642791][   T10]      inet6_addr_add+0x30e/0xa40
[ 1704.642791][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1704.642791][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1704.642791][   T10]      netlink_rcv_skb+0x130/0x360
[ 1704.642791][   T10]      netlink_unicast+0x449/0x710
[ 1704.642791][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1704.642791][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1704.642791][   T10]      ___sys_sendmsg+0xee/0x170
[ 1704.642791][   T10]      __sys_sendmsg+0xcd/0x170
[ 1704.642791][   T10]      do_syscall_64+0xc6/0x1e0
[ 1704.642791][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1704.642791][   T10] 
[ 1704.644796][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1704.644796][   T10]      netdev_get_by_index+0x5e/0x80
[ 1704.644796][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1704.644796][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1704.644796][   T10]      ip6_route_add+0x1c/0x140
[ 1704.644796][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1704.644796][   T10]      addrconf_add_dev+0xe2/0x170
[ 1704.644796][   T10]      inet6_addr_add+0x12f/0xa40
[ 1704.644796][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1704.644796][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1704.644796][   T10]      netlink_rcv_skb+0x130/0x360
[ 1704.644796][   T10]      netlink_unicast+0x449/0x710
[ 1704.644796][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1704.644796][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1704.644796][   T10]      ___sys_sendmsg+0xee/0x170
[ 1704.644796][   T10]      __sys_sendmsg+0xcd/0x170
[ 1704.644796][   T10]      do_syscall_64+0xc6/0x1e0
[ 1704.644796][   T10] 
[ 1704.646777][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1704.646777][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1704.646777][   T10]      ipv6_find_idev+0x102/0x170
[ 1704.646777][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1704.646777][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1704.646777][   T10]      netlink_rcv_skb+0x130/0x360
[ 1704.646777][   T10]      netlink_unicast+0x449/0x710
[ 1704.646777][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1704.646777][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1704.646777][   T10]      ___sys_sendmsg+0xee/0x170
[ 1704.646777][   T10]      __sys_sendmsg+0xcd/0x170
[ 1704.646777][   T10]      do_syscall_64+0xc6/0x1e0
[ 1704.646777][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1704.646777][   T10] 
[ 1704.648320][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1704.648320][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1704.648320][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1704.648320][   T10]      ipv6_find_idev+0x102/0x170
[ 1704.648320][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1704.648320][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1704.648320][   T10]      netlink_rcv_skb+0x130/0x360
[ 1704.648320][   T10]      netlink_unicast+0x449/0x710
[ 1704.648320][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1704.648320][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1704.648320][   T10]      ___sys_sendmsg+0xee/0x170
[ 1704.648320][   T10]      __sys_sendmsg+0xcd/0x170
[ 1704.648320][   T10]      do_syscall_64+0xc6/0x1e0
[ 1704.648320][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1704.648320][   T10] 
[ 1714.688742][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1714.689197][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1714.689197][   T10]      netdev_get_by_index+0x5e/0x80
[ 1714.689197][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1714.689197][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1714.689197][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1714.689197][   T10]      ipv6_add_addr+0x411/0x2000
[ 1714.689197][   T10]      inet6_addr_add+0x30e/0xa40
[ 1714.689197][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1714.689197][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1714.689197][   T10]      netlink_rcv_skb+0x130/0x360
[ 1714.689197][   T10]      netlink_unicast+0x449/0x710
[ 1714.689197][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1714.689197][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1714.689197][   T10]      ___sys_sendmsg+0xee/0x170
[ 1714.689197][   T10]      __sys_sendmsg+0xcd/0x170
[ 1714.689197][   T10]      do_syscall_64+0xc6/0x1e0
[ 1714.689197][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1714.689197][   T10] 
[ 1714.691231][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1714.691231][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1714.691231][   T10]      ipv6_find_idev+0x102/0x170
[ 1714.691231][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1714.691231][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1714.691231][   T10]      netlink_rcv_skb+0x130/0x360
[ 1714.691231][   T10]      netlink_unicast+0x449/0x710
[ 1714.691231][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1714.691231][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1714.691231][   T10]      ___sys_sendmsg+0xee/0x170
[ 1714.691231][   T10]      __sys_sendmsg+0xcd/0x170
[ 1714.691231][   T10]      do_syscall_64+0xc6/0x1e0
[ 1714.691231][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1714.691231][   T10] 
[ 1714.692787][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1714.692787][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1714.692787][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1714.692787][   T10]      ipv6_find_idev+0x102/0x170
[ 1714.692787][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1714.692787][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1714.692787][   T10]      netlink_rcv_skb+0x130/0x360
[ 1714.692787][   T10]      netlink_unicast+0x449/0x710
[ 1714.692787][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1714.692787][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1714.692787][   T10]      ___sys_sendmsg+0xee/0x170
[ 1714.692787][   T10]      __sys_sendmsg+0xcd/0x170
[ 1714.692787][   T10]      do_syscall_64+0xc6/0x1e0
[ 1714.692787][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1714.692787][   T10] 
[ 1714.694482][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1714.694749][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1714.694749][   T10]      netdev_get_by_index+0x5e/0x80
[ 1714.694749][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1714.694749][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1714.694749][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1714.694749][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1714.694749][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1714.694749][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1714.694749][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1714.694749][   T10]      addrconf_dad_begin+0x310/0x670
[ 1714.694749][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1714.694749][   T10]      process_one_work+0x84d/0x18a0
[ 1714.694749][   T10]      worker_thread+0x587/0xd30
[ 1714.694749][   T10]      kthread+0x28a/0x350
[ 1714.694749][   T10]      ret_from_fork+0x31/0x70
[ 1714.694749][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1714.694749][   T10] 
[ 1714.696647][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1714.696647][   T10]      netdev_get_by_index+0x5e/0x80
[ 1714.696647][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1714.696647][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1714.696647][   T10]      ip6_route_add+0x1c/0x140
[ 1714.696647][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1714.696647][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1714.696647][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1714.696647][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1714.696647][   T10]      netlink_rcv_skb+0x130/0x360
[ 1714.696647][   T10]      netlink_unicast+0x449/0x710
[ 1714.696647][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1714.696647][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1714.696647][   T10]      ___sys_sendmsg+0xee/0x170
[ 1714.696647][   T10]      __sys_sendmsg+0xcd/0x170
[ 1714.696647][   T10]      do_syscall_64+0xc6/0x1e0
[ 1714.696647][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1714.696647][   T10] 
[ 1714.698640][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1714.698640][   T10]      netdev_get_by_index+0x5e/0x80
[ 1714.698640][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1714.698640][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1714.698640][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1714.698640][   T10]      ipv6_add_addr+0x411/0x2000
[ 1714.698640][   T10]      inet6_addr_add+0x30e/0xa40
[ 1714.698640][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1714.698640][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1714.698640][   T10]      netlink_rcv_skb+0x130/0x360
[ 1714.698640][   T10]      netlink_unicast+0x449/0x710
[ 1714.698640][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1714.698640][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1714.698640][   T10]      ___sys_sendmsg+0xee/0x170
[ 1714.698640][   T10]      __sys_sendmsg+0xcd/0x170
[ 1714.698640][   T10]      do_syscall_64+0xc6/0x1e0
[ 1714.698640][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1714.698640][   T10] 
[ 1714.700628][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1714.700628][   T10]      netdev_get_by_index+0x5e/0x80
[ 1714.700628][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1714.700628][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1714.700628][   T10]      ip6_route_add+0x1c/0x140
[ 1714.700628][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1714.700628][   T10]      addrconf_add_dev+0xe2/0x170
[ 1714.700628][   T10]      inet6_addr_add+0x12f/0xa40
[ 1714.700628][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1714.700628][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1714.700628][   T10]      netlink_rcv_skb+0x130/0x360
[ 1714.700628][   T10]      netlink_unicast+0x449/0x710
[ 1714.700628][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1714.700628][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1714.700628][   T10]      ___sys_sendmsg+0xee/0x170
[ 1714.700628][   T10]      __sys_sendmsg+0xcd/0x170
[ 1714.700628][   T10]      do_syscall_64+0xc6/0x1e0
[ 1714.700628][   T10] 
[ 1714.702592][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1714.702592][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1714.702592][   T10]      ipv6_find_idev+0x102/0x170
[ 1714.702592][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1714.702592][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1714.702592][   T10]      netlink_rcv_skb+0x130/0x360
[ 1714.702592][   T10]      netlink_unicast+0x449/0x710
[ 1714.702592][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1714.702592][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1714.702592][   T10]      ___sys_sendmsg+0xee/0x170
[ 1714.702592][   T10]      __sys_sendmsg+0xcd/0x170
[ 1714.702592][   T10]      do_syscall_64+0xc6/0x1e0
[ 1714.702592][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1714.702592][   T10] 
[ 1714.704130][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1714.704130][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1714.704130][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1714.704130][   T10]      ipv6_find_idev+0x102/0x170
[ 1714.704130][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1714.704130][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1714.704130][   T10]      netlink_rcv_skb+0x130/0x360
[ 1714.704130][   T10]      netlink_unicast+0x449/0x710
[ 1714.704130][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1714.704130][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1714.704130][   T10]      ___sys_sendmsg+0xee/0x170
[ 1714.704130][   T10]      __sys_sendmsg+0xcd/0x170
[ 1714.704130][   T10]      do_syscall_64+0xc6/0x1e0
[ 1714.704130][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1714.704130][   T10] 
[ 1721.640785][   T42] INFO: task modprobe:8169 blocked for more than 614 seconds.
[ 1721.641121][   T42]       Not tainted 6.8.0-virtme #1
[ 1721.641248][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1721.641451][   T42] task:modprobe        state:D stack:25648 pid:8169  tgid:8169  ppid:39     flags:0x00004002
[ 1721.641722][   T42] Call Trace:
[ 1721.641819][   T42]  <TASK>
[ 1721.641890][   T42]  __schedule+0x705/0x1ac0
[ 1721.642033][   T42]  ? __pfx___schedule+0x10/0x10
[ 1721.642157][   T42]  ? schedule+0x1a5/0x210
[ 1721.642255][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1721.642385][   T42]  ? mark_lock+0x38/0x3e0
[ 1721.642482][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 1721.642609][   T42]  ? schedule+0x1a5/0x210
[ 1721.642721][   T42]  schedule+0xdf/0x210
[ 1721.642822][   T42]  schedule_preempt_disabled+0x15/0x30
[ 1721.642945][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[ 1721.643079][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 1721.643235][   T42]  ? kasan_save_stack+0x34/0x50
[ 1721.643360][   T42]  ? kasan_save_stack+0x24/0x50
[ 1721.643483][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1721.643623][   T42]  ? lock_acquire+0x1c1/0x220
[ 1721.643758][   T42]  ? register_pernet_subsys+0x1a/0x50
[ 1721.643893][   T42]  down_write+0x1c9/0x200
[ 1721.643988][   T42]  ? __pfx_down_write+0x10/0x10
[ 1721.644112][   T42]  ? __pfx___lock_release+0x10/0x10
[ 1721.644243][   T42]  ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables]
[ 1721.644440][   T42]  register_pernet_subsys+0x1a/0x50
[ 1721.644571][   T42]  nf_tables_module_init+0x17/0x100 [nf_tables]
[ 1721.644764][   T42]  do_one_initcall+0xc8/0x3f0
[ 1721.644896][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[ 1721.645029][   T42]  ? __create_object+0x5e/0xb0
[ 1721.645158][   T42]  ? kasan_unpoison+0x27/0x60
[ 1721.645286][   T42]  do_init_module+0x233/0x740
[ 1721.645426][   T42]  load_module+0x16b5/0x2350
[ 1721.645560][   T42]  ? __pfx_load_module+0x10/0x10
[ 1721.645694][   T42]  ? kernel_read_file+0x3d2/0x520
[ 1721.645827][   T42]  ? kernel_read_file+0x300/0x520
[ 1721.645955][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[ 1721.646086][   T42]  ? init_module_from_file+0xd2/0x130
[ 1721.646213][   T42]  init_module_from_file+0xd2/0x130
[ 1721.646335][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[ 1721.646489][   T42]  ? __lock_release+0x103/0x460
[ 1721.646613][   T42]  ? idempotent_init_module+0x32a/0x620
[ 1721.646759][   T42]  ? idempotent_init_module+0x32a/0x620
[ 1721.646883][   T42]  ? do_raw_spin_unlock+0x58/0x220
[ 1721.647015][   T42]  idempotent_init_module+0x342/0x620
[ 1721.647140][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 1721.647316][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 1721.647480][   T42]  do_syscall_64+0xc6/0x1e0
[ 1721.647613][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1721.647780][   T42] RIP: 0033:0x7f8894ecfe5d
[ 1721.647922][   T42] RSP: 002b:00007ffc02fe9148 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 1721.648107][   T42] RAX: ffffffffffffffda RBX: 0000561734795e90 RCX: 00007f8894ecfe5d
[ 1721.648292][   T42] RDX: 0000000000000000 RSI: 000056171fd7ca2a RDI: 0000000000000001
[ 1721.648472][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00005617347964f0
[ 1721.648670][   T42] R10: 0000000000000001 R11: 0000000000000246 R12: 000056171fd7ca2a
[ 1721.648857][   T42] R13: 0000561734795e40 R14: 0000561734796570 R15: 0000000000000000
[ 1721.649054][   T42]  </TASK>
[ 1721.649149][   T42] 
[ 1721.649149][   T42] Showing all locks held in the system:
[ 1721.649325][   T42] 3 locks held by kworker/u16:0/10:
[ 1721.649448][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1721.649710][   T42]  #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1721.649930][   T42]  #2: ffffffff9816a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[ 1721.650177][   T42] 2 locks held by kworker/u20:0/39:
[ 1721.650301][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1721.650547][   T42]  #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1721.650833][   T42] 1 lock held by khungtaskd/42:
[ 1721.650951][   T42]  #0: ffffffff979591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[ 1721.651179][   T42] 1 lock held by modprobe/8169:
[ 1721.651296][   T42]  #0: ffffffff9816a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[ 1721.651541][   T42] 
[ 1721.651604][   T42] =============================================
[ 1721.651604][   T42] 
[ 1724.944673][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1724.945132][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1724.945132][   T10]      netdev_get_by_index+0x5e/0x80
[ 1724.945132][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1724.945132][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1724.945132][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1724.945132][   T10]      ipv6_add_addr+0x411/0x2000
[ 1724.945132][   T10]      inet6_addr_add+0x30e/0xa40
[ 1724.945132][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1724.945132][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1724.945132][   T10]      netlink_rcv_skb+0x130/0x360
[ 1724.945132][   T10]      netlink_unicast+0x449/0x710
[ 1724.945132][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1724.945132][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1724.945132][   T10]      ___sys_sendmsg+0xee/0x170
[ 1724.945132][   T10]      __sys_sendmsg+0xcd/0x170
[ 1724.945132][   T10]      do_syscall_64+0xc6/0x1e0
[ 1724.945132][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1724.945132][   T10] 
[ 1724.947162][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1724.947162][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1724.947162][   T10]      ipv6_find_idev+0x102/0x170
[ 1724.947162][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1724.947162][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1724.947162][   T10]      netlink_rcv_skb+0x130/0x360
[ 1724.947162][   T10]      netlink_unicast+0x449/0x710
[ 1724.947162][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1724.947162][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1724.947162][   T10]      ___sys_sendmsg+0xee/0x170
[ 1724.947162][   T10]      __sys_sendmsg+0xcd/0x170
[ 1724.947162][   T10]      do_syscall_64+0xc6/0x1e0
[ 1724.947162][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1724.947162][   T10] 
[ 1724.948711][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1724.948711][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1724.948711][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1724.948711][   T10]      ipv6_find_idev+0x102/0x170
[ 1724.948711][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1724.948711][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1724.948711][   T10]      netlink_rcv_skb+0x130/0x360
[ 1724.948711][   T10]      netlink_unicast+0x449/0x710
[ 1724.948711][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1724.948711][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1724.948711][   T10]      ___sys_sendmsg+0xee/0x170
[ 1724.948711][   T10]      __sys_sendmsg+0xcd/0x170
[ 1724.948711][   T10]      do_syscall_64+0xc6/0x1e0
[ 1724.948711][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1724.948711][   T10] 
[ 1724.950400][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1724.950657][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1724.950657][   T10]      netdev_get_by_index+0x5e/0x80
[ 1724.950657][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1724.950657][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1724.950657][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1724.950657][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1724.950657][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1724.950657][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1724.950657][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1724.950657][   T10]      addrconf_dad_begin+0x310/0x670
[ 1724.950657][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1724.950657][   T10]      process_one_work+0x84d/0x18a0
[ 1724.950657][   T10]      worker_thread+0x587/0xd30
[ 1724.950657][   T10]      kthread+0x28a/0x350
[ 1724.950657][   T10]      ret_from_fork+0x31/0x70
[ 1724.950657][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1724.950657][   T10] 
[ 1724.952533][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1724.952533][   T10]      netdev_get_by_index+0x5e/0x80
[ 1724.952533][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1724.952533][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1724.952533][   T10]      ip6_route_add+0x1c/0x140
[ 1724.952533][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1724.952533][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1724.952533][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1724.952533][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1724.952533][   T10]      netlink_rcv_skb+0x130/0x360
[ 1724.952533][   T10]      netlink_unicast+0x449/0x710
[ 1724.952533][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1724.952533][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1724.952533][   T10]      ___sys_sendmsg+0xee/0x170
[ 1724.952533][   T10]      __sys_sendmsg+0xcd/0x170
[ 1724.952533][   T10]      do_syscall_64+0xc6/0x1e0
[ 1724.952533][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1724.952533][   T10] 
[ 1724.954532][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1724.954532][   T10]      netdev_get_by_index+0x5e/0x80
[ 1724.954532][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1724.954532][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1724.954532][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1724.954532][   T10]      ipv6_add_addr+0x411/0x2000
[ 1724.954532][   T10]      inet6_addr_add+0x30e/0xa40
[ 1724.954532][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1724.954532][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1724.954532][   T10]      netlink_rcv_skb+0x130/0x360
[ 1724.954532][   T10]      netlink_unicast+0x449/0x710
[ 1724.954532][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1724.954532][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1724.954532][   T10]      ___sys_sendmsg+0xee/0x170
[ 1724.954532][   T10]      __sys_sendmsg+0xcd/0x170
[ 1724.954532][   T10]      do_syscall_64+0xc6/0x1e0
[ 1724.954532][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1724.954532][   T10] 
[ 1724.956542][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1724.956542][   T10]      netdev_get_by_index+0x5e/0x80
[ 1724.956542][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1724.956542][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1724.956542][   T10]      ip6_route_add+0x1c/0x140
[ 1724.956542][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1724.956542][   T10]      addrconf_add_dev+0xe2/0x170
[ 1724.956542][   T10]      inet6_addr_add+0x12f/0xa40
[ 1724.956542][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1724.956542][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1724.956542][   T10]      netlink_rcv_skb+0x130/0x360
[ 1724.956542][   T10]      netlink_unicast+0x449/0x710
[ 1724.956542][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1724.956542][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1724.956542][   T10]      ___sys_sendmsg+0xee/0x170
[ 1724.956542][   T10]      __sys_sendmsg+0xcd/0x170
[ 1724.956542][   T10]      do_syscall_64+0xc6/0x1e0
[ 1724.956542][   T10] 
[ 1724.958504][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1724.958504][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1724.958504][   T10]      ipv6_find_idev+0x102/0x170
[ 1724.958504][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1724.958504][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1724.958504][   T10]      netlink_rcv_skb+0x130/0x360
[ 1724.958504][   T10]      netlink_unicast+0x449/0x710
[ 1724.958504][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1724.958504][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1724.958504][   T10]      ___sys_sendmsg+0xee/0x170
[ 1724.958504][   T10]      __sys_sendmsg+0xcd/0x170
[ 1724.958504][   T10]      do_syscall_64+0xc6/0x1e0
[ 1724.958504][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1724.958504][   T10] 
[ 1724.960046][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1724.960046][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1724.960046][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1724.960046][   T10]      ipv6_find_idev+0x102/0x170
[ 1724.960046][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1724.960046][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1724.960046][   T10]      netlink_rcv_skb+0x130/0x360
[ 1724.960046][   T10]      netlink_unicast+0x449/0x710
[ 1724.960046][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1724.960046][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1724.960046][   T10]      ___sys_sendmsg+0xee/0x170
[ 1724.960046][   T10]      __sys_sendmsg+0xcd/0x170
[ 1724.960046][   T10]      do_syscall_64+0xc6/0x1e0
[ 1724.960046][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1724.960046][   T10] 
[ 1735.200753][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1735.201218][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1735.201218][   T10]      netdev_get_by_index+0x5e/0x80
[ 1735.201218][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1735.201218][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1735.201218][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1735.201218][   T10]      ipv6_add_addr+0x411/0x2000
[ 1735.201218][   T10]      inet6_addr_add+0x30e/0xa40
[ 1735.201218][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1735.201218][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1735.201218][   T10]      netlink_rcv_skb+0x130/0x360
[ 1735.201218][   T10]      netlink_unicast+0x449/0x710
[ 1735.201218][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1735.201218][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1735.201218][   T10]      ___sys_sendmsg+0xee/0x170
[ 1735.201218][   T10]      __sys_sendmsg+0xcd/0x170
[ 1735.201218][   T10]      do_syscall_64+0xc6/0x1e0
[ 1735.201218][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1735.201218][   T10] 
[ 1735.203265][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1735.203265][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1735.203265][   T10]      ipv6_find_idev+0x102/0x170
[ 1735.203265][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1735.203265][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1735.203265][   T10]      netlink_rcv_skb+0x130/0x360
[ 1735.203265][   T10]      netlink_unicast+0x449/0x710
[ 1735.203265][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1735.203265][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1735.203265][   T10]      ___sys_sendmsg+0xee/0x170
[ 1735.203265][   T10]      __sys_sendmsg+0xcd/0x170
[ 1735.203265][   T10]      do_syscall_64+0xc6/0x1e0
[ 1735.203265][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1735.203265][   T10] 
[ 1735.204832][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1735.204832][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1735.204832][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1735.204832][   T10]      ipv6_find_idev+0x102/0x170
[ 1735.204832][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1735.204832][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1735.204832][   T10]      netlink_rcv_skb+0x130/0x360
[ 1735.204832][   T10]      netlink_unicast+0x449/0x710
[ 1735.204832][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1735.204832][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1735.204832][   T10]      ___sys_sendmsg+0xee/0x170
[ 1735.204832][   T10]      __sys_sendmsg+0xcd/0x170
[ 1735.204832][   T10]      do_syscall_64+0xc6/0x1e0
[ 1735.204832][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1735.204832][   T10] 
[ 1735.206524][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1735.206798][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1735.206798][   T10]      netdev_get_by_index+0x5e/0x80
[ 1735.206798][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1735.206798][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1735.206798][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1735.206798][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1735.206798][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1735.206798][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1735.206798][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1735.206798][   T10]      addrconf_dad_begin+0x310/0x670
[ 1735.206798][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1735.206798][   T10]      process_one_work+0x84d/0x18a0
[ 1735.206798][   T10]      worker_thread+0x587/0xd30
[ 1735.206798][   T10]      kthread+0x28a/0x350
[ 1735.206798][   T10]      ret_from_fork+0x31/0x70
[ 1735.206798][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1735.206798][   T10] 
[ 1735.208737][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1735.208737][   T10]      netdev_get_by_index+0x5e/0x80
[ 1735.208737][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1735.208737][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1735.208737][   T10]      ip6_route_add+0x1c/0x140
[ 1735.208737][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1735.208737][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1735.208737][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1735.208737][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1735.208737][   T10]      netlink_rcv_skb+0x130/0x360
[ 1735.208737][   T10]      netlink_unicast+0x449/0x710
[ 1735.208737][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1735.208737][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1735.208737][   T10]      ___sys_sendmsg+0xee/0x170
[ 1735.208737][   T10]      __sys_sendmsg+0xcd/0x170
[ 1735.208737][   T10]      do_syscall_64+0xc6/0x1e0
[ 1735.208737][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1735.208737][   T10] 
[ 1735.210758][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1735.210758][   T10]      netdev_get_by_index+0x5e/0x80
[ 1735.210758][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1735.210758][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1735.210758][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1735.210758][   T10]      ipv6_add_addr+0x411/0x2000
[ 1735.210758][   T10]      inet6_addr_add+0x30e/0xa40
[ 1735.210758][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1735.210758][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1735.210758][   T10]      netlink_rcv_skb+0x130/0x360
[ 1735.210758][   T10]      netlink_unicast+0x449/0x710
[ 1735.210758][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1735.210758][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1735.210758][   T10]      ___sys_sendmsg+0xee/0x170
[ 1735.210758][   T10]      __sys_sendmsg+0xcd/0x170
[ 1735.210758][   T10]      do_syscall_64+0xc6/0x1e0
[ 1735.210758][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1735.210758][   T10] 
[ 1735.212768][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1735.212768][   T10]      netdev_get_by_index+0x5e/0x80
[ 1735.212768][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1735.212768][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1735.212768][   T10]      ip6_route_add+0x1c/0x140
[ 1735.212768][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1735.212768][   T10]      addrconf_add_dev+0xe2/0x170
[ 1735.212768][   T10]      inet6_addr_add+0x12f/0xa40
[ 1735.212768][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1735.212768][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1735.212768][   T10]      netlink_rcv_skb+0x130/0x360
[ 1735.212768][   T10]      netlink_unicast+0x449/0x710
[ 1735.212768][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1735.212768][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1735.212768][   T10]      ___sys_sendmsg+0xee/0x170
[ 1735.212768][   T10]      __sys_sendmsg+0xcd/0x170
[ 1735.212768][   T10]      do_syscall_64+0xc6/0x1e0
[ 1735.212768][   T10] 
[ 1735.214720][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1735.214720][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1735.214720][   T10]      ipv6_find_idev+0x102/0x170
[ 1735.214720][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1735.214720][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1735.214720][   T10]      netlink_rcv_skb+0x130/0x360
[ 1735.214720][   T10]      netlink_unicast+0x449/0x710
[ 1735.214720][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1735.214720][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1735.214720][   T10]      ___sys_sendmsg+0xee/0x170
[ 1735.214720][   T10]      __sys_sendmsg+0xcd/0x170
[ 1735.214720][   T10]      do_syscall_64+0xc6/0x1e0
[ 1735.214720][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1735.214720][   T10] 
[ 1735.216287][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1735.216287][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1735.216287][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1735.216287][   T10]      ipv6_find_idev+0x102/0x170
[ 1735.216287][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1735.216287][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1735.216287][   T10]      netlink_rcv_skb+0x130/0x360
[ 1735.216287][   T10]      netlink_unicast+0x449/0x710
[ 1735.216287][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1735.216287][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1735.216287][   T10]      ___sys_sendmsg+0xee/0x170
[ 1735.216287][   T10]      __sys_sendmsg+0xcd/0x170
[ 1735.216287][   T10]      do_syscall_64+0xc6/0x1e0
[ 1735.216287][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1735.216287][   T10] 
[ 1745.448751][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1745.449233][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1745.449233][   T10]      netdev_get_by_index+0x5e/0x80
[ 1745.449233][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1745.449233][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1745.449233][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1745.449233][   T10]      ipv6_add_addr+0x411/0x2000
[ 1745.449233][   T10]      inet6_addr_add+0x30e/0xa40
[ 1745.449233][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1745.449233][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1745.449233][   T10]      netlink_rcv_skb+0x130/0x360
[ 1745.449233][   T10]      netlink_unicast+0x449/0x710
[ 1745.449233][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1745.449233][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1745.449233][   T10]      ___sys_sendmsg+0xee/0x170
[ 1745.449233][   T10]      __sys_sendmsg+0xcd/0x170
[ 1745.449233][   T10]      do_syscall_64+0xc6/0x1e0
[ 1745.449233][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1745.449233][   T10] 
[ 1745.451302][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1745.451302][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1745.451302][   T10]      ipv6_find_idev+0x102/0x170
[ 1745.451302][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1745.451302][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1745.451302][   T10]      netlink_rcv_skb+0x130/0x360
[ 1745.451302][   T10]      netlink_unicast+0x449/0x710
[ 1745.451302][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1745.451302][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1745.451302][   T10]      ___sys_sendmsg+0xee/0x170
[ 1745.451302][   T10]      __sys_sendmsg+0xcd/0x170
[ 1745.451302][   T10]      do_syscall_64+0xc6/0x1e0
[ 1745.451302][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1745.451302][   T10] 
[ 1745.452869][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1745.452869][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1745.452869][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1745.452869][   T10]      ipv6_find_idev+0x102/0x170
[ 1745.452869][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1745.452869][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1745.452869][   T10]      netlink_rcv_skb+0x130/0x360
[ 1745.452869][   T10]      netlink_unicast+0x449/0x710
[ 1745.452869][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1745.452869][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1745.452869][   T10]      ___sys_sendmsg+0xee/0x170
[ 1745.452869][   T10]      __sys_sendmsg+0xcd/0x170
[ 1745.452869][   T10]      do_syscall_64+0xc6/0x1e0
[ 1745.452869][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1745.452869][   T10] 
[ 1745.454598][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1745.454886][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1745.454886][   T10]      netdev_get_by_index+0x5e/0x80
[ 1745.454886][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1745.454886][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1745.454886][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1745.454886][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1745.454886][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1745.454886][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1745.454886][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1745.454886][   T10]      addrconf_dad_begin+0x310/0x670
[ 1745.454886][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1745.454886][   T10]      process_one_work+0x84d/0x18a0
[ 1745.454886][   T10]      worker_thread+0x587/0xd30
[ 1745.454886][   T10]      kthread+0x28a/0x350
[ 1745.454886][   T10]      ret_from_fork+0x31/0x70
[ 1745.454886][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1745.454886][   T10] 
[ 1745.456804][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1745.456804][   T10]      netdev_get_by_index+0x5e/0x80
[ 1745.456804][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1745.456804][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1745.456804][   T10]      ip6_route_add+0x1c/0x140
[ 1745.456804][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1745.456804][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1745.456804][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1745.456804][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1745.456804][   T10]      netlink_rcv_skb+0x130/0x360
[ 1745.456804][   T10]      netlink_unicast+0x449/0x710
[ 1745.456804][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1745.456804][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1745.456804][   T10]      ___sys_sendmsg+0xee/0x170
[ 1745.456804][   T10]      __sys_sendmsg+0xcd/0x170
[ 1745.456804][   T10]      do_syscall_64+0xc6/0x1e0
[ 1745.456804][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1745.456804][   T10] 
[ 1745.458842][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1745.458842][   T10]      netdev_get_by_index+0x5e/0x80
[ 1745.458842][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1745.458842][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1745.458842][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1745.458842][   T10]      ipv6_add_addr+0x411/0x2000
[ 1745.458842][   T10]      inet6_addr_add+0x30e/0xa40
[ 1745.458842][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1745.458842][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1745.458842][   T10]      netlink_rcv_skb+0x130/0x360
[ 1745.458842][   T10]      netlink_unicast+0x449/0x710
[ 1745.458842][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1745.458842][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1745.458842][   T10]      ___sys_sendmsg+0xee/0x170
[ 1745.458842][   T10]      __sys_sendmsg+0xcd/0x170
[ 1745.458842][   T10]      do_syscall_64+0xc6/0x1e0
[ 1745.458842][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1745.458842][   T10] 
[ 1745.460859][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1745.460859][   T10]      netdev_get_by_index+0x5e/0x80
[ 1745.460859][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1745.460859][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1745.460859][   T10]      ip6_route_add+0x1c/0x140
[ 1745.460859][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1745.460859][   T10]      addrconf_add_dev+0xe2/0x170
[ 1745.460859][   T10]      inet6_addr_add+0x12f/0xa40
[ 1745.460859][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1745.460859][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1745.460859][   T10]      netlink_rcv_skb+0x130/0x360
[ 1745.460859][   T10]      netlink_unicast+0x449/0x710
[ 1745.460859][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1745.460859][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1745.460859][   T10]      ___sys_sendmsg+0xee/0x170
[ 1745.460859][   T10]      __sys_sendmsg+0xcd/0x170
[ 1745.460859][   T10]      do_syscall_64+0xc6/0x1e0
[ 1745.460859][   T10] 
[ 1745.462837][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1745.462837][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1745.462837][   T10]      ipv6_find_idev+0x102/0x170
[ 1745.462837][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1745.462837][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1745.462837][   T10]      netlink_rcv_skb+0x130/0x360
[ 1745.462837][   T10]      netlink_unicast+0x449/0x710
[ 1745.462837][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1745.462837][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1745.462837][   T10]      ___sys_sendmsg+0xee/0x170
[ 1745.462837][   T10]      __sys_sendmsg+0xcd/0x170
[ 1745.462837][   T10]      do_syscall_64+0xc6/0x1e0
[ 1745.462837][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1745.462837][   T10] 
[ 1745.464408][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1745.464408][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1745.464408][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1745.464408][   T10]      ipv6_find_idev+0x102/0x170
[ 1745.464408][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1745.464408][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1745.464408][   T10]      netlink_rcv_skb+0x130/0x360
[ 1745.464408][   T10]      netlink_unicast+0x449/0x710
[ 1745.464408][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1745.464408][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1745.464408][   T10]      ___sys_sendmsg+0xee/0x170
[ 1745.464408][   T10]      __sys_sendmsg+0xcd/0x170
[ 1745.464408][   T10]      do_syscall_64+0xc6/0x1e0
[ 1745.464408][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1745.464408][   T10] 
[ 1755.624665][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1755.625201][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1755.625201][   T10]      netdev_get_by_index+0x5e/0x80
[ 1755.625201][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1755.625201][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1755.625201][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1755.625201][   T10]      ipv6_add_addr+0x411/0x2000
[ 1755.625201][   T10]      inet6_addr_add+0x30e/0xa40
[ 1755.625201][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1755.625201][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1755.625201][   T10]      netlink_rcv_skb+0x130/0x360
[ 1755.625201][   T10]      netlink_unicast+0x449/0x710
[ 1755.625201][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1755.625201][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1755.625201][   T10]      ___sys_sendmsg+0xee/0x170
[ 1755.625201][   T10]      __sys_sendmsg+0xcd/0x170
[ 1755.625201][   T10]      do_syscall_64+0xc6/0x1e0
[ 1755.625201][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1755.625201][   T10] 
[ 1755.627267][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1755.627267][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1755.627267][   T10]      ipv6_find_idev+0x102/0x170
[ 1755.627267][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1755.627267][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1755.627267][   T10]      netlink_rcv_skb+0x130/0x360
[ 1755.627267][   T10]      netlink_unicast+0x449/0x710
[ 1755.627267][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1755.627267][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1755.627267][   T10]      ___sys_sendmsg+0xee/0x170
[ 1755.627267][   T10]      __sys_sendmsg+0xcd/0x170
[ 1755.627267][   T10]      do_syscall_64+0xc6/0x1e0
[ 1755.627267][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1755.627267][   T10] 
[ 1755.628837][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1755.628837][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1755.628837][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1755.628837][   T10]      ipv6_find_idev+0x102/0x170
[ 1755.628837][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1755.628837][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1755.628837][   T10]      netlink_rcv_skb+0x130/0x360
[ 1755.628837][   T10]      netlink_unicast+0x449/0x710
[ 1755.628837][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1755.628837][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1755.628837][   T10]      ___sys_sendmsg+0xee/0x170
[ 1755.628837][   T10]      __sys_sendmsg+0xcd/0x170
[ 1755.628837][   T10]      do_syscall_64+0xc6/0x1e0
[ 1755.628837][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1755.628837][   T10] 
[ 1755.630569][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1755.630853][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1755.630853][   T10]      netdev_get_by_index+0x5e/0x80
[ 1755.630853][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1755.630853][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1755.630853][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1755.630853][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1755.630853][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1755.630853][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1755.630853][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1755.630853][   T10]      addrconf_dad_begin+0x310/0x670
[ 1755.630853][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1755.630853][   T10]      process_one_work+0x84d/0x18a0
[ 1755.630853][   T10]      worker_thread+0x587/0xd30
[ 1755.630853][   T10]      kthread+0x28a/0x350
[ 1755.630853][   T10]      ret_from_fork+0x31/0x70
[ 1755.630853][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1755.630853][   T10] 
[ 1755.632775][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1755.632775][   T10]      netdev_get_by_index+0x5e/0x80
[ 1755.632775][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1755.632775][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1755.632775][   T10]      ip6_route_add+0x1c/0x140
[ 1755.632775][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1755.632775][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1755.632775][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1755.632775][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1755.632775][   T10]      netlink_rcv_skb+0x130/0x360
[ 1755.632775][   T10]      netlink_unicast+0x449/0x710
[ 1755.632775][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1755.632775][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1755.632775][   T10]      ___sys_sendmsg+0xee/0x170
[ 1755.632775][   T10]      __sys_sendmsg+0xcd/0x170
[ 1755.632775][   T10]      do_syscall_64+0xc6/0x1e0
[ 1755.632775][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1755.632775][   T10] 
[ 1755.634835][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1755.634835][   T10]      netdev_get_by_index+0x5e/0x80
[ 1755.634835][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1755.634835][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1755.634835][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1755.634835][   T10]      ipv6_add_addr+0x411/0x2000
[ 1755.634835][   T10]      inet6_addr_add+0x30e/0xa40
[ 1755.634835][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1755.634835][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1755.634835][   T10]      netlink_rcv_skb+0x130/0x360
[ 1755.634835][   T10]      netlink_unicast+0x449/0x710
[ 1755.634835][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1755.634835][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1755.634835][   T10]      ___sys_sendmsg+0xee/0x170
[ 1755.634835][   T10]      __sys_sendmsg+0xcd/0x170
[ 1755.634835][   T10]      do_syscall_64+0xc6/0x1e0
[ 1755.634835][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1755.634835][   T10] 
[ 1755.636867][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1755.636867][   T10]      netdev_get_by_index+0x5e/0x80
[ 1755.636867][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1755.636867][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1755.636867][   T10]      ip6_route_add+0x1c/0x140
[ 1755.636867][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1755.636867][   T10]      addrconf_add_dev+0xe2/0x170
[ 1755.636867][   T10]      inet6_addr_add+0x12f/0xa40
[ 1755.636867][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1755.636867][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1755.636867][   T10]      netlink_rcv_skb+0x130/0x360
[ 1755.636867][   T10]      netlink_unicast+0x449/0x710
[ 1755.636867][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1755.636867][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1755.636867][   T10]      ___sys_sendmsg+0xee/0x170
[ 1755.636867][   T10]      __sys_sendmsg+0xcd/0x170
[ 1755.636867][   T10]      do_syscall_64+0xc6/0x1e0
[ 1755.636867][   T10] 
[ 1755.638861][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1755.638861][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1755.638861][   T10]      ipv6_find_idev+0x102/0x170
[ 1755.638861][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1755.638861][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1755.638861][   T10]      netlink_rcv_skb+0x130/0x360
[ 1755.638861][   T10]      netlink_unicast+0x449/0x710
[ 1755.638861][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1755.638861][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1755.638861][   T10]      ___sys_sendmsg+0xee/0x170
[ 1755.638861][   T10]      __sys_sendmsg+0xcd/0x170
[ 1755.638861][   T10]      do_syscall_64+0xc6/0x1e0
[ 1755.638861][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1755.638861][   T10] 
[ 1755.640417][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1755.640417][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1755.640417][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1755.640417][   T10]      ipv6_find_idev+0x102/0x170
[ 1755.640417][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1755.640417][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1755.640417][   T10]      netlink_rcv_skb+0x130/0x360
[ 1755.640417][   T10]      netlink_unicast+0x449/0x710
[ 1755.640417][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1755.640417][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1755.640417][   T10]      ___sys_sendmsg+0xee/0x170
[ 1755.640417][   T10]      __sys_sendmsg+0xcd/0x170
[ 1755.640417][   T10]      do_syscall_64+0xc6/0x1e0
[ 1755.640417][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1755.640417][   T10] 
[ 1765.656768][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1765.657230][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1765.657230][   T10]      netdev_get_by_index+0x5e/0x80
[ 1765.657230][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1765.657230][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1765.657230][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1765.657230][   T10]      ipv6_add_addr+0x411/0x2000
[ 1765.657230][   T10]      inet6_addr_add+0x30e/0xa40
[ 1765.657230][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1765.657230][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1765.657230][   T10]      netlink_rcv_skb+0x130/0x360
[ 1765.657230][   T10]      netlink_unicast+0x449/0x710
[ 1765.657230][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1765.657230][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1765.657230][   T10]      ___sys_sendmsg+0xee/0x170
[ 1765.657230][   T10]      __sys_sendmsg+0xcd/0x170
[ 1765.657230][   T10]      do_syscall_64+0xc6/0x1e0
[ 1765.657230][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1765.657230][   T10] 
[ 1765.659263][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1765.659263][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1765.659263][   T10]      ipv6_find_idev+0x102/0x170
[ 1765.659263][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1765.659263][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1765.659263][   T10]      netlink_rcv_skb+0x130/0x360
[ 1765.659263][   T10]      netlink_unicast+0x449/0x710
[ 1765.659263][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1765.659263][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1765.659263][   T10]      ___sys_sendmsg+0xee/0x170
[ 1765.659263][   T10]      __sys_sendmsg+0xcd/0x170
[ 1765.659263][   T10]      do_syscall_64+0xc6/0x1e0
[ 1765.659263][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1765.659263][   T10] 
[ 1765.660806][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1765.660806][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1765.660806][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1765.660806][   T10]      ipv6_find_idev+0x102/0x170
[ 1765.660806][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1765.660806][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1765.660806][   T10]      netlink_rcv_skb+0x130/0x360
[ 1765.660806][   T10]      netlink_unicast+0x449/0x710
[ 1765.660806][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1765.660806][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1765.660806][   T10]      ___sys_sendmsg+0xee/0x170
[ 1765.660806][   T10]      __sys_sendmsg+0xcd/0x170
[ 1765.660806][   T10]      do_syscall_64+0xc6/0x1e0
[ 1765.660806][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1765.660806][   T10] 
[ 1765.662497][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1765.662769][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1765.662769][   T10]      netdev_get_by_index+0x5e/0x80
[ 1765.662769][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1765.662769][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1765.662769][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1765.662769][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1765.662769][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1765.662769][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1765.662769][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1765.662769][   T10]      addrconf_dad_begin+0x310/0x670
[ 1765.662769][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1765.662769][   T10]      process_one_work+0x84d/0x18a0
[ 1765.662769][   T10]      worker_thread+0x587/0xd30
[ 1765.662769][   T10]      kthread+0x28a/0x350
[ 1765.662769][   T10]      ret_from_fork+0x31/0x70
[ 1765.662769][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1765.662769][   T10] 
[ 1765.664661][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1765.664661][   T10]      netdev_get_by_index+0x5e/0x80
[ 1765.664661][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1765.664661][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1765.664661][   T10]      ip6_route_add+0x1c/0x140
[ 1765.664661][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1765.664661][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1765.664661][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1765.664661][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1765.664661][   T10]      netlink_rcv_skb+0x130/0x360
[ 1765.664661][   T10]      netlink_unicast+0x449/0x710
[ 1765.664661][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1765.664661][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1765.664661][   T10]      ___sys_sendmsg+0xee/0x170
[ 1765.664661][   T10]      __sys_sendmsg+0xcd/0x170
[ 1765.664661][   T10]      do_syscall_64+0xc6/0x1e0
[ 1765.664661][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1765.664661][   T10] 
[ 1765.666672][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1765.666672][   T10]      netdev_get_by_index+0x5e/0x80
[ 1765.666672][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1765.666672][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1765.666672][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1765.666672][   T10]      ipv6_add_addr+0x411/0x2000
[ 1765.666672][   T10]      inet6_addr_add+0x30e/0xa40
[ 1765.666672][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1765.666672][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1765.666672][   T10]      netlink_rcv_skb+0x130/0x360
[ 1765.666672][   T10]      netlink_unicast+0x449/0x710
[ 1765.666672][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1765.666672][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1765.666672][   T10]      ___sys_sendmsg+0xee/0x170
[ 1765.666672][   T10]      __sys_sendmsg+0xcd/0x170
[ 1765.666672][   T10]      do_syscall_64+0xc6/0x1e0
[ 1765.666672][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1765.666672][   T10] 
[ 1765.668670][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1765.668670][   T10]      netdev_get_by_index+0x5e/0x80
[ 1765.668670][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1765.668670][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1765.668670][   T10]      ip6_route_add+0x1c/0x140
[ 1765.668670][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1765.668670][   T10]      addrconf_add_dev+0xe2/0x170
[ 1765.668670][   T10]      inet6_addr_add+0x12f/0xa40
[ 1765.668670][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1765.668670][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1765.668670][   T10]      netlink_rcv_skb+0x130/0x360
[ 1765.668670][   T10]      netlink_unicast+0x449/0x710
[ 1765.668670][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1765.668670][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1765.668670][   T10]      ___sys_sendmsg+0xee/0x170
[ 1765.668670][   T10]      __sys_sendmsg+0xcd/0x170
[ 1765.668670][   T10]      do_syscall_64+0xc6/0x1e0
[ 1765.668670][   T10] 
[ 1765.670634][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1765.670634][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1765.670634][   T10]      ipv6_find_idev+0x102/0x170
[ 1765.670634][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1765.670634][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1765.670634][   T10]      netlink_rcv_skb+0x130/0x360
[ 1765.670634][   T10]      netlink_unicast+0x449/0x710
[ 1765.670634][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1765.670634][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1765.670634][   T10]      ___sys_sendmsg+0xee/0x170
[ 1765.670634][   T10]      __sys_sendmsg+0xcd/0x170
[ 1765.670634][   T10]      do_syscall_64+0xc6/0x1e0
[ 1765.670634][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1765.670634][   T10] 
[ 1765.672205][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1765.672205][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1765.672205][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1765.672205][   T10]      ipv6_find_idev+0x102/0x170
[ 1765.672205][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1765.672205][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1765.672205][   T10]      netlink_rcv_skb+0x130/0x360
[ 1765.672205][   T10]      netlink_unicast+0x449/0x710
[ 1765.672205][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1765.672205][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1765.672205][   T10]      ___sys_sendmsg+0xee/0x170
[ 1765.672205][   T10]      __sys_sendmsg+0xcd/0x170
[ 1765.672205][   T10]      do_syscall_64+0xc6/0x1e0
[ 1765.672205][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1765.672205][   T10] 
[ 1775.712756][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1775.713204][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1775.713204][   T10]      netdev_get_by_index+0x5e/0x80
[ 1775.713204][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1775.713204][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1775.713204][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1775.713204][   T10]      ipv6_add_addr+0x411/0x2000
[ 1775.713204][   T10]      inet6_addr_add+0x30e/0xa40
[ 1775.713204][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1775.713204][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1775.713204][   T10]      netlink_rcv_skb+0x130/0x360
[ 1775.713204][   T10]      netlink_unicast+0x449/0x710
[ 1775.713204][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1775.713204][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1775.713204][   T10]      ___sys_sendmsg+0xee/0x170
[ 1775.713204][   T10]      __sys_sendmsg+0xcd/0x170
[ 1775.713204][   T10]      do_syscall_64+0xc6/0x1e0
[ 1775.713204][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1775.713204][   T10] 
[ 1775.715482][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1775.715482][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1775.715482][   T10]      ipv6_find_idev+0x102/0x170
[ 1775.715482][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1775.715482][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1775.715482][   T10]      netlink_rcv_skb+0x130/0x360
[ 1775.715482][   T10]      netlink_unicast+0x449/0x710
[ 1775.715482][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1775.715482][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1775.715482][   T10]      ___sys_sendmsg+0xee/0x170
[ 1775.715482][   T10]      __sys_sendmsg+0xcd/0x170
[ 1775.715482][   T10]      do_syscall_64+0xc6/0x1e0
[ 1775.715482][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1775.715482][   T10] 
[ 1775.717085][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1775.717085][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1775.717085][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1775.717085][   T10]      ipv6_find_idev+0x102/0x170
[ 1775.717085][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1775.717085][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1775.717085][   T10]      netlink_rcv_skb+0x130/0x360
[ 1775.717085][   T10]      netlink_unicast+0x449/0x710
[ 1775.717085][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1775.717085][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1775.717085][   T10]      ___sys_sendmsg+0xee/0x170
[ 1775.717085][   T10]      __sys_sendmsg+0xcd/0x170
[ 1775.717085][   T10]      do_syscall_64+0xc6/0x1e0
[ 1775.717085][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1775.717085][   T10] 
[ 1775.718779][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1775.719034][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1775.719034][   T10]      netdev_get_by_index+0x5e/0x80
[ 1775.719034][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1775.719034][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1775.719034][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1775.719034][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1775.719034][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1775.719034][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1775.719034][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1775.719034][   T10]      addrconf_dad_begin+0x310/0x670
[ 1775.719034][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1775.719034][   T10]      process_one_work+0x84d/0x18a0
[ 1775.719034][   T10]      worker_thread+0x587/0xd30
[ 1775.719034][   T10]      kthread+0x28a/0x350
[ 1775.719034][   T10]      ret_from_fork+0x31/0x70
[ 1775.719034][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1775.719034][   T10] 
[ 1775.720939][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1775.720939][   T10]      netdev_get_by_index+0x5e/0x80
[ 1775.720939][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1775.720939][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1775.720939][   T10]      ip6_route_add+0x1c/0x140
[ 1775.720939][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1775.720939][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1775.720939][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1775.720939][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1775.720939][   T10]      netlink_rcv_skb+0x130/0x360
[ 1775.720939][   T10]      netlink_unicast+0x449/0x710
[ 1775.720939][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1775.720939][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1775.720939][   T10]      ___sys_sendmsg+0xee/0x170
[ 1775.720939][   T10]      __sys_sendmsg+0xcd/0x170
[ 1775.720939][   T10]      do_syscall_64+0xc6/0x1e0
[ 1775.720939][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1775.720939][   T10] 
[ 1775.722958][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1775.722958][   T10]      netdev_get_by_index+0x5e/0x80
[ 1775.722958][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1775.722958][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1775.722958][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1775.722958][   T10]      ipv6_add_addr+0x411/0x2000
[ 1775.722958][   T10]      inet6_addr_add+0x30e/0xa40
[ 1775.722958][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1775.722958][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1775.722958][   T10]      netlink_rcv_skb+0x130/0x360
[ 1775.722958][   T10]      netlink_unicast+0x449/0x710
[ 1775.722958][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1775.722958][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1775.722958][   T10]      ___sys_sendmsg+0xee/0x170
[ 1775.722958][   T10]      __sys_sendmsg+0xcd/0x170
[ 1775.722958][   T10]      do_syscall_64+0xc6/0x1e0
[ 1775.722958][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1775.722958][   T10] 
[ 1775.724968][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1775.724968][   T10]      netdev_get_by_index+0x5e/0x80
[ 1775.724968][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1775.724968][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1775.724968][   T10]      ip6_route_add+0x1c/0x140
[ 1775.724968][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1775.724968][   T10]      addrconf_add_dev+0xe2/0x170
[ 1775.724968][   T10]      inet6_addr_add+0x12f/0xa40
[ 1775.724968][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1775.724968][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1775.724968][   T10]      netlink_rcv_skb+0x130/0x360
[ 1775.724968][   T10]      netlink_unicast+0x449/0x710
[ 1775.724968][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1775.724968][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1775.724968][   T10]      ___sys_sendmsg+0xee/0x170
[ 1775.724968][   T10]      __sys_sendmsg+0xcd/0x170
[ 1775.724968][   T10]      do_syscall_64+0xc6/0x1e0
[ 1775.724968][   T10] 
[ 1775.726924][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1775.726924][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1775.726924][   T10]      ipv6_find_idev+0x102/0x170
[ 1775.726924][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1775.726924][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1775.726924][   T10]      netlink_rcv_skb+0x130/0x360
[ 1775.726924][   T10]      netlink_unicast+0x449/0x710
[ 1775.726924][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1775.726924][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1775.726924][   T10]      ___sys_sendmsg+0xee/0x170
[ 1775.726924][   T10]      __sys_sendmsg+0xcd/0x170
[ 1775.726924][   T10]      do_syscall_64+0xc6/0x1e0
[ 1775.726924][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1775.726924][   T10] 
[ 1775.728461][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1775.728461][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1775.728461][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1775.728461][   T10]      ipv6_find_idev+0x102/0x170
[ 1775.728461][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1775.728461][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1775.728461][   T10]      netlink_rcv_skb+0x130/0x360
[ 1775.728461][   T10]      netlink_unicast+0x449/0x710
[ 1775.728461][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1775.728461][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1775.728461][   T10]      ___sys_sendmsg+0xee/0x170
[ 1775.728461][   T10]      __sys_sendmsg+0xcd/0x170
[ 1775.728461][   T10]      do_syscall_64+0xc6/0x1e0
[ 1775.728461][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1775.728461][   T10] 
[ 1785.968763][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1785.969242][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1785.969242][   T10]      netdev_get_by_index+0x5e/0x80
[ 1785.969242][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1785.969242][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1785.969242][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1785.969242][   T10]      ipv6_add_addr+0x411/0x2000
[ 1785.969242][   T10]      inet6_addr_add+0x30e/0xa40
[ 1785.969242][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1785.969242][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1785.969242][   T10]      netlink_rcv_skb+0x130/0x360
[ 1785.969242][   T10]      netlink_unicast+0x449/0x710
[ 1785.969242][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1785.969242][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1785.969242][   T10]      ___sys_sendmsg+0xee/0x170
[ 1785.969242][   T10]      __sys_sendmsg+0xcd/0x170
[ 1785.969242][   T10]      do_syscall_64+0xc6/0x1e0
[ 1785.969242][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1785.969242][   T10] 
[ 1785.971302][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1785.971302][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1785.971302][   T10]      ipv6_find_idev+0x102/0x170
[ 1785.971302][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1785.971302][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1785.971302][   T10]      netlink_rcv_skb+0x130/0x360
[ 1785.971302][   T10]      netlink_unicast+0x449/0x710
[ 1785.971302][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1785.971302][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1785.971302][   T10]      ___sys_sendmsg+0xee/0x170
[ 1785.971302][   T10]      __sys_sendmsg+0xcd/0x170
[ 1785.971302][   T10]      do_syscall_64+0xc6/0x1e0
[ 1785.971302][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1785.971302][   T10] 
[ 1785.972870][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1785.972870][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1785.972870][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1785.972870][   T10]      ipv6_find_idev+0x102/0x170
[ 1785.972870][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1785.972870][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1785.972870][   T10]      netlink_rcv_skb+0x130/0x360
[ 1785.972870][   T10]      netlink_unicast+0x449/0x710
[ 1785.972870][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1785.972870][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1785.972870][   T10]      ___sys_sendmsg+0xee/0x170
[ 1785.972870][   T10]      __sys_sendmsg+0xcd/0x170
[ 1785.972870][   T10]      do_syscall_64+0xc6/0x1e0
[ 1785.972870][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1785.972870][   T10] 
[ 1785.974654][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1785.974920][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1785.974920][   T10]      netdev_get_by_index+0x5e/0x80
[ 1785.974920][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1785.974920][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1785.974920][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1785.974920][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1785.974920][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1785.974920][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1785.974920][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1785.974920][   T10]      addrconf_dad_begin+0x310/0x670
[ 1785.974920][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1785.974920][   T10]      process_one_work+0x84d/0x18a0
[ 1785.974920][   T10]      worker_thread+0x587/0xd30
[ 1785.974920][   T10]      kthread+0x28a/0x350
[ 1785.974920][   T10]      ret_from_fork+0x31/0x70
[ 1785.974920][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1785.974920][   T10] 
[ 1785.976831][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1785.976831][   T10]      netdev_get_by_index+0x5e/0x80
[ 1785.976831][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1785.976831][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1785.976831][   T10]      ip6_route_add+0x1c/0x140
[ 1785.976831][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1785.976831][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1785.976831][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1785.976831][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1785.976831][   T10]      netlink_rcv_skb+0x130/0x360
[ 1785.976831][   T10]      netlink_unicast+0x449/0x710
[ 1785.976831][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1785.976831][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1785.976831][   T10]      ___sys_sendmsg+0xee/0x170
[ 1785.976831][   T10]      __sys_sendmsg+0xcd/0x170
[ 1785.976831][   T10]      do_syscall_64+0xc6/0x1e0
[ 1785.976831][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1785.976831][   T10] 
[ 1785.978875][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1785.978875][   T10]      netdev_get_by_index+0x5e/0x80
[ 1785.978875][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1785.978875][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1785.978875][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1785.978875][   T10]      ipv6_add_addr+0x411/0x2000
[ 1785.978875][   T10]      inet6_addr_add+0x30e/0xa40
[ 1785.978875][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1785.978875][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1785.978875][   T10]      netlink_rcv_skb+0x130/0x360
[ 1785.978875][   T10]      netlink_unicast+0x449/0x710
[ 1785.978875][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1785.978875][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1785.978875][   T10]      ___sys_sendmsg+0xee/0x170
[ 1785.978875][   T10]      __sys_sendmsg+0xcd/0x170
[ 1785.978875][   T10]      do_syscall_64+0xc6/0x1e0
[ 1785.978875][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1785.978875][   T10] 
[ 1785.980918][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1785.980918][   T10]      netdev_get_by_index+0x5e/0x80
[ 1785.980918][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1785.980918][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1785.980918][   T10]      ip6_route_add+0x1c/0x140
[ 1785.980918][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1785.980918][   T10]      addrconf_add_dev+0xe2/0x170
[ 1785.980918][   T10]      inet6_addr_add+0x12f/0xa40
[ 1785.980918][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1785.980918][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1785.980918][   T10]      netlink_rcv_skb+0x130/0x360
[ 1785.980918][   T10]      netlink_unicast+0x449/0x710
[ 1785.980918][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1785.980918][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1785.980918][   T10]      ___sys_sendmsg+0xee/0x170
[ 1785.980918][   T10]      __sys_sendmsg+0xcd/0x170
[ 1785.980918][   T10]      do_syscall_64+0xc6/0x1e0
[ 1785.980918][   T10] 
[ 1785.982901][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1785.982901][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1785.982901][   T10]      ipv6_find_idev+0x102/0x170
[ 1785.982901][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1785.982901][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1785.982901][   T10]      netlink_rcv_skb+0x130/0x360
[ 1785.982901][   T10]      netlink_unicast+0x449/0x710
[ 1785.982901][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1785.982901][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1785.982901][   T10]      ___sys_sendmsg+0xee/0x170
[ 1785.982901][   T10]      __sys_sendmsg+0xcd/0x170
[ 1785.982901][   T10]      do_syscall_64+0xc6/0x1e0
[ 1785.982901][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1785.982901][   T10] 
[ 1785.984455][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1785.984455][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1785.984455][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1785.984455][   T10]      ipv6_find_idev+0x102/0x170
[ 1785.984455][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1785.984455][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1785.984455][   T10]      netlink_rcv_skb+0x130/0x360
[ 1785.984455][   T10]      netlink_unicast+0x449/0x710
[ 1785.984455][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1785.984455][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1785.984455][   T10]      ___sys_sendmsg+0xee/0x170
[ 1785.984455][   T10]      __sys_sendmsg+0xcd/0x170
[ 1785.984455][   T10]      do_syscall_64+0xc6/0x1e0
[ 1785.984455][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1785.984455][   T10] 
[ 1796.224736][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1796.225215][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1796.225215][   T10]      netdev_get_by_index+0x5e/0x80
[ 1796.225215][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1796.225215][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1796.225215][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1796.225215][   T10]      ipv6_add_addr+0x411/0x2000
[ 1796.225215][   T10]      inet6_addr_add+0x30e/0xa40
[ 1796.225215][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1796.225215][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1796.225215][   T10]      netlink_rcv_skb+0x130/0x360
[ 1796.225215][   T10]      netlink_unicast+0x449/0x710
[ 1796.225215][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1796.225215][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1796.225215][   T10]      ___sys_sendmsg+0xee/0x170
[ 1796.225215][   T10]      __sys_sendmsg+0xcd/0x170
[ 1796.225215][   T10]      do_syscall_64+0xc6/0x1e0
[ 1796.225215][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1796.225215][   T10] 
[ 1796.227271][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1796.227271][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1796.227271][   T10]      ipv6_find_idev+0x102/0x170
[ 1796.227271][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1796.227271][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1796.227271][   T10]      netlink_rcv_skb+0x130/0x360
[ 1796.227271][   T10]      netlink_unicast+0x449/0x710
[ 1796.227271][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1796.227271][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1796.227271][   T10]      ___sys_sendmsg+0xee/0x170
[ 1796.227271][   T10]      __sys_sendmsg+0xcd/0x170
[ 1796.227271][   T10]      do_syscall_64+0xc6/0x1e0
[ 1796.227271][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1796.227271][   T10] 
[ 1796.228836][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1796.228836][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1796.228836][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1796.228836][   T10]      ipv6_find_idev+0x102/0x170
[ 1796.228836][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1796.228836][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1796.228836][   T10]      netlink_rcv_skb+0x130/0x360
[ 1796.228836][   T10]      netlink_unicast+0x449/0x710
[ 1796.228836][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1796.228836][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1796.228836][   T10]      ___sys_sendmsg+0xee/0x170
[ 1796.228836][   T10]      __sys_sendmsg+0xcd/0x170
[ 1796.228836][   T10]      do_syscall_64+0xc6/0x1e0
[ 1796.228836][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1796.228836][   T10] 
[ 1796.230567][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1796.230848][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1796.230848][   T10]      netdev_get_by_index+0x5e/0x80
[ 1796.230848][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1796.230848][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1796.230848][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1796.230848][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1796.230848][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1796.230848][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1796.230848][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1796.230848][   T10]      addrconf_dad_begin+0x310/0x670
[ 1796.230848][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1796.230848][   T10]      process_one_work+0x84d/0x18a0
[ 1796.230848][   T10]      worker_thread+0x587/0xd30
[ 1796.230848][   T10]      kthread+0x28a/0x350
[ 1796.230848][   T10]      ret_from_fork+0x31/0x70
[ 1796.230848][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1796.230848][   T10] 
[ 1796.232777][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1796.232777][   T10]      netdev_get_by_index+0x5e/0x80
[ 1796.232777][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1796.232777][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1796.232777][   T10]      ip6_route_add+0x1c/0x140
[ 1796.232777][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1796.232777][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1796.232777][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1796.232777][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1796.232777][   T10]      netlink_rcv_skb+0x130/0x360
[ 1796.232777][   T10]      netlink_unicast+0x449/0x710
[ 1796.232777][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1796.232777][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1796.232777][   T10]      ___sys_sendmsg+0xee/0x170
[ 1796.232777][   T10]      __sys_sendmsg+0xcd/0x170
[ 1796.232777][   T10]      do_syscall_64+0xc6/0x1e0
[ 1796.232777][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1796.232777][   T10] 
[ 1796.234822][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1796.234822][   T10]      netdev_get_by_index+0x5e/0x80
[ 1796.234822][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1796.234822][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1796.234822][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1796.234822][   T10]      ipv6_add_addr+0x411/0x2000
[ 1796.234822][   T10]      inet6_addr_add+0x30e/0xa40
[ 1796.234822][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1796.234822][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1796.234822][   T10]      netlink_rcv_skb+0x130/0x360
[ 1796.234822][   T10]      netlink_unicast+0x449/0x710
[ 1796.234822][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1796.234822][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1796.234822][   T10]      ___sys_sendmsg+0xee/0x170
[ 1796.234822][   T10]      __sys_sendmsg+0xcd/0x170
[ 1796.234822][   T10]      do_syscall_64+0xc6/0x1e0
[ 1796.234822][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1796.234822][   T10] 
[ 1796.236843][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1796.236843][   T10]      netdev_get_by_index+0x5e/0x80
[ 1796.236843][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1796.236843][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1796.236843][   T10]      ip6_route_add+0x1c/0x140
[ 1796.236843][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1796.236843][   T10]      addrconf_add_dev+0xe2/0x170
[ 1796.236843][   T10]      inet6_addr_add+0x12f/0xa40
[ 1796.236843][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1796.236843][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1796.236843][   T10]      netlink_rcv_skb+0x130/0x360
[ 1796.236843][   T10]      netlink_unicast+0x449/0x710
[ 1796.236843][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1796.236843][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1796.236843][   T10]      ___sys_sendmsg+0xee/0x170
[ 1796.236843][   T10]      __sys_sendmsg+0xcd/0x170
[ 1796.236843][   T10]      do_syscall_64+0xc6/0x1e0
[ 1796.236843][   T10] 
[ 1796.238828][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1796.238828][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1796.238828][   T10]      ipv6_find_idev+0x102/0x170
[ 1796.238828][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1796.238828][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1796.238828][   T10]      netlink_rcv_skb+0x130/0x360
[ 1796.238828][   T10]      netlink_unicast+0x449/0x710
[ 1796.238828][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1796.238828][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1796.238828][   T10]      ___sys_sendmsg+0xee/0x170
[ 1796.238828][   T10]      __sys_sendmsg+0xcd/0x170
[ 1796.238828][   T10]      do_syscall_64+0xc6/0x1e0
[ 1796.238828][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1796.238828][   T10] 
[ 1796.240385][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1796.240385][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1796.240385][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1796.240385][   T10]      ipv6_find_idev+0x102/0x170
[ 1796.240385][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1796.240385][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1796.240385][   T10]      netlink_rcv_skb+0x130/0x360
[ 1796.240385][   T10]      netlink_unicast+0x449/0x710
[ 1796.240385][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1796.240385][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1796.240385][   T10]      ___sys_sendmsg+0xee/0x170
[ 1796.240385][   T10]      __sys_sendmsg+0xcd/0x170
[ 1796.240385][   T10]      do_syscall_64+0xc6/0x1e0
[ 1796.240385][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1796.240385][   T10] 
[ 1806.480767][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1806.481232][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1806.481232][   T10]      netdev_get_by_index+0x5e/0x80
[ 1806.481232][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1806.481232][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1806.481232][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1806.481232][   T10]      ipv6_add_addr+0x411/0x2000
[ 1806.481232][   T10]      inet6_addr_add+0x30e/0xa40
[ 1806.481232][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1806.481232][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1806.481232][   T10]      netlink_rcv_skb+0x130/0x360
[ 1806.481232][   T10]      netlink_unicast+0x449/0x710
[ 1806.481232][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1806.481232][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1806.481232][   T10]      ___sys_sendmsg+0xee/0x170
[ 1806.481232][   T10]      __sys_sendmsg+0xcd/0x170
[ 1806.481232][   T10]      do_syscall_64+0xc6/0x1e0
[ 1806.481232][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1806.481232][   T10] 
[ 1806.483260][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1806.483260][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1806.483260][   T10]      ipv6_find_idev+0x102/0x170
[ 1806.483260][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1806.483260][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1806.483260][   T10]      netlink_rcv_skb+0x130/0x360
[ 1806.483260][   T10]      netlink_unicast+0x449/0x710
[ 1806.483260][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1806.483260][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1806.483260][   T10]      ___sys_sendmsg+0xee/0x170
[ 1806.483260][   T10]      __sys_sendmsg+0xcd/0x170
[ 1806.483260][   T10]      do_syscall_64+0xc6/0x1e0
[ 1806.483260][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1806.483260][   T10] 
[ 1806.484812][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1806.484812][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1806.484812][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1806.484812][   T10]      ipv6_find_idev+0x102/0x170
[ 1806.484812][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1806.484812][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1806.484812][   T10]      netlink_rcv_skb+0x130/0x360
[ 1806.484812][   T10]      netlink_unicast+0x449/0x710
[ 1806.484812][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1806.484812][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1806.484812][   T10]      ___sys_sendmsg+0xee/0x170
[ 1806.484812][   T10]      __sys_sendmsg+0xcd/0x170
[ 1806.484812][   T10]      do_syscall_64+0xc6/0x1e0
[ 1806.484812][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1806.484812][   T10] 
[ 1806.486498][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1806.486763][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1806.486763][   T10]      netdev_get_by_index+0x5e/0x80
[ 1806.486763][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1806.486763][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1806.486763][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1806.486763][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1806.486763][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1806.486763][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1806.486763][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1806.486763][   T10]      addrconf_dad_begin+0x310/0x670
[ 1806.486763][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1806.486763][   T10]      process_one_work+0x84d/0x18a0
[ 1806.486763][   T10]      worker_thread+0x587/0xd30
[ 1806.486763][   T10]      kthread+0x28a/0x350
[ 1806.486763][   T10]      ret_from_fork+0x31/0x70
[ 1806.486763][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1806.486763][   T10] 
[ 1806.488647][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1806.488647][   T10]      netdev_get_by_index+0x5e/0x80
[ 1806.488647][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1806.488647][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1806.488647][   T10]      ip6_route_add+0x1c/0x140
[ 1806.488647][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1806.488647][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1806.488647][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1806.488647][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1806.488647][   T10]      netlink_rcv_skb+0x130/0x360
[ 1806.488647][   T10]      netlink_unicast+0x449/0x710
[ 1806.488647][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1806.488647][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1806.488647][   T10]      ___sys_sendmsg+0xee/0x170
[ 1806.488647][   T10]      __sys_sendmsg+0xcd/0x170
[ 1806.488647][   T10]      do_syscall_64+0xc6/0x1e0
[ 1806.488647][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1806.488647][   T10] 
[ 1806.490714][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1806.490714][   T10]      netdev_get_by_index+0x5e/0x80
[ 1806.490714][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1806.490714][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1806.490714][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1806.490714][   T10]      ipv6_add_addr+0x411/0x2000
[ 1806.490714][   T10]      inet6_addr_add+0x30e/0xa40
[ 1806.490714][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1806.490714][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1806.490714][   T10]      netlink_rcv_skb+0x130/0x360
[ 1806.490714][   T10]      netlink_unicast+0x449/0x710
[ 1806.490714][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1806.490714][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1806.490714][   T10]      ___sys_sendmsg+0xee/0x170
[ 1806.490714][   T10]      __sys_sendmsg+0xcd/0x170
[ 1806.490714][   T10]      do_syscall_64+0xc6/0x1e0
[ 1806.490714][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1806.490714][   T10] 
[ 1806.492727][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1806.492727][   T10]      netdev_get_by_index+0x5e/0x80
[ 1806.492727][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1806.492727][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1806.492727][   T10]      ip6_route_add+0x1c/0x140
[ 1806.492727][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1806.492727][   T10]      addrconf_add_dev+0xe2/0x170
[ 1806.492727][   T10]      inet6_addr_add+0x12f/0xa40
[ 1806.492727][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1806.492727][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1806.492727][   T10]      netlink_rcv_skb+0x130/0x360
[ 1806.492727][   T10]      netlink_unicast+0x449/0x710
[ 1806.492727][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1806.492727][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1806.492727][   T10]      ___sys_sendmsg+0xee/0x170
[ 1806.492727][   T10]      __sys_sendmsg+0xcd/0x170
[ 1806.492727][   T10]      do_syscall_64+0xc6/0x1e0
[ 1806.492727][   T10] 
[ 1806.494701][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1806.494701][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1806.494701][   T10]      ipv6_find_idev+0x102/0x170
[ 1806.494701][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1806.494701][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1806.494701][   T10]      netlink_rcv_skb+0x130/0x360
[ 1806.494701][   T10]      netlink_unicast+0x449/0x710
[ 1806.494701][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1806.494701][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1806.494701][   T10]      ___sys_sendmsg+0xee/0x170
[ 1806.494701][   T10]      __sys_sendmsg+0xcd/0x170
[ 1806.494701][   T10]      do_syscall_64+0xc6/0x1e0
[ 1806.494701][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1806.494701][   T10] 
[ 1806.496245][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1806.496245][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1806.496245][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1806.496245][   T10]      ipv6_find_idev+0x102/0x170
[ 1806.496245][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1806.496245][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1806.496245][   T10]      netlink_rcv_skb+0x130/0x360
[ 1806.496245][   T10]      netlink_unicast+0x449/0x710
[ 1806.496245][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1806.496245][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1806.496245][   T10]      ___sys_sendmsg+0xee/0x170
[ 1806.496245][   T10]      __sys_sendmsg+0xcd/0x170
[ 1806.496245][   T10]      do_syscall_64+0xc6/0x1e0
[ 1806.496245][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1806.496245][   T10] 
[ 1816.736686][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1816.737144][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1816.737144][   T10]      netdev_get_by_index+0x5e/0x80
[ 1816.737144][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1816.737144][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1816.737144][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1816.737144][   T10]      ipv6_add_addr+0x411/0x2000
[ 1816.737144][   T10]      inet6_addr_add+0x30e/0xa40
[ 1816.737144][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1816.737144][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1816.737144][   T10]      netlink_rcv_skb+0x130/0x360
[ 1816.737144][   T10]      netlink_unicast+0x449/0x710
[ 1816.737144][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1816.737144][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1816.737144][   T10]      ___sys_sendmsg+0xee/0x170
[ 1816.737144][   T10]      __sys_sendmsg+0xcd/0x170
[ 1816.737144][   T10]      do_syscall_64+0xc6/0x1e0
[ 1816.737144][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1816.737144][   T10] 
[ 1816.739173][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1816.739173][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1816.739173][   T10]      ipv6_find_idev+0x102/0x170
[ 1816.739173][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1816.739173][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1816.739173][   T10]      netlink_rcv_skb+0x130/0x360
[ 1816.739173][   T10]      netlink_unicast+0x449/0x710
[ 1816.739173][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1816.739173][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1816.739173][   T10]      ___sys_sendmsg+0xee/0x170
[ 1816.739173][   T10]      __sys_sendmsg+0xcd/0x170
[ 1816.739173][   T10]      do_syscall_64+0xc6/0x1e0
[ 1816.739173][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1816.739173][   T10] 
[ 1816.740722][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1816.740722][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1816.740722][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1816.740722][   T10]      ipv6_find_idev+0x102/0x170
[ 1816.740722][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1816.740722][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1816.740722][   T10]      netlink_rcv_skb+0x130/0x360
[ 1816.740722][   T10]      netlink_unicast+0x449/0x710
[ 1816.740722][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1816.740722][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1816.740722][   T10]      ___sys_sendmsg+0xee/0x170
[ 1816.740722][   T10]      __sys_sendmsg+0xcd/0x170
[ 1816.740722][   T10]      do_syscall_64+0xc6/0x1e0
[ 1816.740722][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1816.740722][   T10] 
[ 1816.742486][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1816.742763][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1816.742763][   T10]      netdev_get_by_index+0x5e/0x80
[ 1816.742763][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1816.742763][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1816.742763][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1816.742763][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1816.742763][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1816.742763][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1816.742763][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1816.742763][   T10]      addrconf_dad_begin+0x310/0x670
[ 1816.742763][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1816.742763][   T10]      process_one_work+0x84d/0x18a0
[ 1816.742763][   T10]      worker_thread+0x587/0xd30
[ 1816.742763][   T10]      kthread+0x28a/0x350
[ 1816.742763][   T10]      ret_from_fork+0x31/0x70
[ 1816.742763][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1816.742763][   T10] 
[ 1816.744657][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1816.744657][   T10]      netdev_get_by_index+0x5e/0x80
[ 1816.744657][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1816.744657][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1816.744657][   T10]      ip6_route_add+0x1c/0x140
[ 1816.744657][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1816.744657][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1816.744657][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1816.744657][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1816.744657][   T10]      netlink_rcv_skb+0x130/0x360
[ 1816.744657][   T10]      netlink_unicast+0x449/0x710
[ 1816.744657][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1816.744657][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1816.744657][   T10]      ___sys_sendmsg+0xee/0x170
[ 1816.744657][   T10]      __sys_sendmsg+0xcd/0x170
[ 1816.744657][   T10]      do_syscall_64+0xc6/0x1e0
[ 1816.744657][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1816.744657][   T10] 
[ 1816.746663][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1816.746663][   T10]      netdev_get_by_index+0x5e/0x80
[ 1816.746663][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1816.746663][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1816.746663][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1816.746663][   T10]      ipv6_add_addr+0x411/0x2000
[ 1816.746663][   T10]      inet6_addr_add+0x30e/0xa40
[ 1816.746663][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1816.746663][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1816.746663][   T10]      netlink_rcv_skb+0x130/0x360
[ 1816.746663][   T10]      netlink_unicast+0x449/0x710
[ 1816.746663][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1816.746663][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1816.746663][   T10]      ___sys_sendmsg+0xee/0x170
[ 1816.746663][   T10]      __sys_sendmsg+0xcd/0x170
[ 1816.746663][   T10]      do_syscall_64+0xc6/0x1e0
[ 1816.746663][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1816.746663][   T10] 
[ 1816.748659][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1816.748659][   T10]      netdev_get_by_index+0x5e/0x80
[ 1816.748659][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1816.748659][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1816.748659][   T10]      ip6_route_add+0x1c/0x140
[ 1816.748659][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1816.748659][   T10]      addrconf_add_dev+0xe2/0x170
[ 1816.748659][   T10]      inet6_addr_add+0x12f/0xa40
[ 1816.748659][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1816.748659][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1816.748659][   T10]      netlink_rcv_skb+0x130/0x360
[ 1816.748659][   T10]      netlink_unicast+0x449/0x710
[ 1816.748659][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1816.748659][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1816.748659][   T10]      ___sys_sendmsg+0xee/0x170
[ 1816.748659][   T10]      __sys_sendmsg+0xcd/0x170
[ 1816.748659][   T10]      do_syscall_64+0xc6/0x1e0
[ 1816.748659][   T10] 
[ 1816.750624][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1816.750624][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1816.750624][   T10]      ipv6_find_idev+0x102/0x170
[ 1816.750624][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1816.750624][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1816.750624][   T10]      netlink_rcv_skb+0x130/0x360
[ 1816.750624][   T10]      netlink_unicast+0x449/0x710
[ 1816.750624][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1816.750624][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1816.750624][   T10]      ___sys_sendmsg+0xee/0x170
[ 1816.750624][   T10]      __sys_sendmsg+0xcd/0x170
[ 1816.750624][   T10]      do_syscall_64+0xc6/0x1e0
[ 1816.750624][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1816.750624][   T10] 
[ 1816.752161][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1816.752161][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1816.752161][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1816.752161][   T10]      ipv6_find_idev+0x102/0x170
[ 1816.752161][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1816.752161][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1816.752161][   T10]      netlink_rcv_skb+0x130/0x360
[ 1816.752161][   T10]      netlink_unicast+0x449/0x710
[ 1816.752161][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1816.752161][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1816.752161][   T10]      ___sys_sendmsg+0xee/0x170
[ 1816.752161][   T10]      __sys_sendmsg+0xcd/0x170
[ 1816.752161][   T10]      do_syscall_64+0xc6/0x1e0
[ 1816.752161][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1816.752161][   T10] 
[ 1826.968734][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1826.969225][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1826.969225][   T10]      netdev_get_by_index+0x5e/0x80
[ 1826.969225][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1826.969225][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1826.969225][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1826.969225][   T10]      ipv6_add_addr+0x411/0x2000
[ 1826.969225][   T10]      inet6_addr_add+0x30e/0xa40
[ 1826.969225][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1826.969225][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1826.969225][   T10]      netlink_rcv_skb+0x130/0x360
[ 1826.969225][   T10]      netlink_unicast+0x449/0x710
[ 1826.969225][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1826.969225][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1826.969225][   T10]      ___sys_sendmsg+0xee/0x170
[ 1826.969225][   T10]      __sys_sendmsg+0xcd/0x170
[ 1826.969225][   T10]      do_syscall_64+0xc6/0x1e0
[ 1826.969225][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1826.969225][   T10] 
[ 1826.971297][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1826.971297][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1826.971297][   T10]      ipv6_find_idev+0x102/0x170
[ 1826.971297][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1826.971297][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1826.971297][   T10]      netlink_rcv_skb+0x130/0x360
[ 1826.971297][   T10]      netlink_unicast+0x449/0x710
[ 1826.971297][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1826.971297][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1826.971297][   T10]      ___sys_sendmsg+0xee/0x170
[ 1826.971297][   T10]      __sys_sendmsg+0xcd/0x170
[ 1826.971297][   T10]      do_syscall_64+0xc6/0x1e0
[ 1826.971297][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1826.971297][   T10] 
[ 1826.972868][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1826.972868][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1826.972868][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1826.972868][   T10]      ipv6_find_idev+0x102/0x170
[ 1826.972868][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1826.972868][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1826.972868][   T10]      netlink_rcv_skb+0x130/0x360
[ 1826.972868][   T10]      netlink_unicast+0x449/0x710
[ 1826.972868][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1826.972868][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1826.972868][   T10]      ___sys_sendmsg+0xee/0x170
[ 1826.972868][   T10]      __sys_sendmsg+0xcd/0x170
[ 1826.972868][   T10]      do_syscall_64+0xc6/0x1e0
[ 1826.972868][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1826.972868][   T10] 
[ 1826.974600][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1826.974875][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1826.974875][   T10]      netdev_get_by_index+0x5e/0x80
[ 1826.974875][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1826.974875][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1826.974875][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1826.974875][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1826.974875][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1826.974875][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1826.974875][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1826.974875][   T10]      addrconf_dad_begin+0x310/0x670
[ 1826.974875][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1826.974875][   T10]      process_one_work+0x84d/0x18a0
[ 1826.974875][   T10]      worker_thread+0x587/0xd30
[ 1826.974875][   T10]      kthread+0x28a/0x350
[ 1826.974875][   T10]      ret_from_fork+0x31/0x70
[ 1826.974875][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1826.974875][   T10] 
[ 1826.976783][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1826.976783][   T10]      netdev_get_by_index+0x5e/0x80
[ 1826.976783][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1826.976783][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1826.976783][   T10]      ip6_route_add+0x1c/0x140
[ 1826.976783][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1826.976783][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1826.976783][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1826.976783][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1826.976783][   T10]      netlink_rcv_skb+0x130/0x360
[ 1826.976783][   T10]      netlink_unicast+0x449/0x710
[ 1826.976783][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1826.976783][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1826.976783][   T10]      ___sys_sendmsg+0xee/0x170
[ 1826.976783][   T10]      __sys_sendmsg+0xcd/0x170
[ 1826.976783][   T10]      do_syscall_64+0xc6/0x1e0
[ 1826.976783][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1826.976783][   T10] 
[ 1826.978859][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1826.978859][   T10]      netdev_get_by_index+0x5e/0x80
[ 1826.978859][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1826.978859][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1826.978859][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1826.978859][   T10]      ipv6_add_addr+0x411/0x2000
[ 1826.978859][   T10]      inet6_addr_add+0x30e/0xa40
[ 1826.978859][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1826.978859][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1826.978859][   T10]      netlink_rcv_skb+0x130/0x360
[ 1826.978859][   T10]      netlink_unicast+0x449/0x710
[ 1826.978859][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1826.978859][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1826.978859][   T10]      ___sys_sendmsg+0xee/0x170
[ 1826.978859][   T10]      __sys_sendmsg+0xcd/0x170
[ 1826.978859][   T10]      do_syscall_64+0xc6/0x1e0
[ 1826.978859][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1826.978859][   T10] 
[ 1826.980891][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1826.980891][   T10]      netdev_get_by_index+0x5e/0x80
[ 1826.980891][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1826.980891][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1826.980891][   T10]      ip6_route_add+0x1c/0x140
[ 1826.980891][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1826.980891][   T10]      addrconf_add_dev+0xe2/0x170
[ 1826.980891][   T10]      inet6_addr_add+0x12f/0xa40
[ 1826.980891][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1826.980891][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1826.980891][   T10]      netlink_rcv_skb+0x130/0x360
[ 1826.980891][   T10]      netlink_unicast+0x449/0x710
[ 1826.980891][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1826.980891][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1826.980891][   T10]      ___sys_sendmsg+0xee/0x170
[ 1826.980891][   T10]      __sys_sendmsg+0xcd/0x170
[ 1826.980891][   T10]      do_syscall_64+0xc6/0x1e0
[ 1826.980891][   T10] 
[ 1826.982904][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1826.982904][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1826.982904][   T10]      ipv6_find_idev+0x102/0x170
[ 1826.982904][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1826.982904][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1826.982904][   T10]      netlink_rcv_skb+0x130/0x360
[ 1826.982904][   T10]      netlink_unicast+0x449/0x710
[ 1826.982904][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1826.982904][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1826.982904][   T10]      ___sys_sendmsg+0xee/0x170
[ 1826.982904][   T10]      __sys_sendmsg+0xcd/0x170
[ 1826.982904][   T10]      do_syscall_64+0xc6/0x1e0
[ 1826.982904][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1826.982904][   T10] 
[ 1826.984479][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1826.984479][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1826.984479][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1826.984479][   T10]      ipv6_find_idev+0x102/0x170
[ 1826.984479][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1826.984479][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1826.984479][   T10]      netlink_rcv_skb+0x130/0x360
[ 1826.984479][   T10]      netlink_unicast+0x449/0x710
[ 1826.984479][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1826.984479][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1826.984479][   T10]      ___sys_sendmsg+0xee/0x170
[ 1826.984479][   T10]      __sys_sendmsg+0xcd/0x170
[ 1826.984479][   T10]      do_syscall_64+0xc6/0x1e0
[ 1826.984479][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1826.984479][   T10] 
[ 1837.240748][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1837.241192][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1837.241192][   T10]      netdev_get_by_index+0x5e/0x80
[ 1837.241192][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1837.241192][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1837.241192][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1837.241192][   T10]      ipv6_add_addr+0x411/0x2000
[ 1837.241192][   T10]      inet6_addr_add+0x30e/0xa40
[ 1837.241192][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1837.241192][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1837.241192][   T10]      netlink_rcv_skb+0x130/0x360
[ 1837.241192][   T10]      netlink_unicast+0x449/0x710
[ 1837.241192][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1837.241192][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1837.241192][   T10]      ___sys_sendmsg+0xee/0x170
[ 1837.241192][   T10]      __sys_sendmsg+0xcd/0x170
[ 1837.241192][   T10]      do_syscall_64+0xc6/0x1e0
[ 1837.241192][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1837.241192][   T10] 
[ 1837.243223][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1837.243223][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1837.243223][   T10]      ipv6_find_idev+0x102/0x170
[ 1837.243223][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1837.243223][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1837.243223][   T10]      netlink_rcv_skb+0x130/0x360
[ 1837.243223][   T10]      netlink_unicast+0x449/0x710
[ 1837.243223][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1837.243223][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1837.243223][   T10]      ___sys_sendmsg+0xee/0x170
[ 1837.243223][   T10]      __sys_sendmsg+0xcd/0x170
[ 1837.243223][   T10]      do_syscall_64+0xc6/0x1e0
[ 1837.243223][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1837.243223][   T10] 
[ 1837.244776][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1837.244776][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1837.244776][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1837.244776][   T10]      ipv6_find_idev+0x102/0x170
[ 1837.244776][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1837.244776][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1837.244776][   T10]      netlink_rcv_skb+0x130/0x360
[ 1837.244776][   T10]      netlink_unicast+0x449/0x710
[ 1837.244776][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1837.244776][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1837.244776][   T10]      ___sys_sendmsg+0xee/0x170
[ 1837.244776][   T10]      __sys_sendmsg+0xcd/0x170
[ 1837.244776][   T10]      do_syscall_64+0xc6/0x1e0
[ 1837.244776][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1837.244776][   T10] 
[ 1837.246469][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1837.246732][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1837.246732][   T10]      netdev_get_by_index+0x5e/0x80
[ 1837.246732][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1837.246732][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1837.246732][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1837.246732][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1837.246732][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1837.246732][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1837.246732][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1837.246732][   T10]      addrconf_dad_begin+0x310/0x670
[ 1837.246732][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1837.246732][   T10]      process_one_work+0x84d/0x18a0
[ 1837.246732][   T10]      worker_thread+0x587/0xd30
[ 1837.246732][   T10]      kthread+0x28a/0x350
[ 1837.246732][   T10]      ret_from_fork+0x31/0x70
[ 1837.246732][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1837.246732][   T10] 
[ 1837.248616][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1837.248616][   T10]      netdev_get_by_index+0x5e/0x80
[ 1837.248616][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1837.248616][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1837.248616][   T10]      ip6_route_add+0x1c/0x140
[ 1837.248616][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1837.248616][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1837.248616][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1837.248616][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1837.248616][   T10]      netlink_rcv_skb+0x130/0x360
[ 1837.248616][   T10]      netlink_unicast+0x449/0x710
[ 1837.248616][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1837.248616][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1837.248616][   T10]      ___sys_sendmsg+0xee/0x170
[ 1837.248616][   T10]      __sys_sendmsg+0xcd/0x170
[ 1837.248616][   T10]      do_syscall_64+0xc6/0x1e0
[ 1837.248616][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1837.248616][   T10] 
[ 1837.250613][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1837.250613][   T10]      netdev_get_by_index+0x5e/0x80
[ 1837.250613][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1837.250613][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1837.250613][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1837.250613][   T10]      ipv6_add_addr+0x411/0x2000
[ 1837.250613][   T10]      inet6_addr_add+0x30e/0xa40
[ 1837.250613][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1837.250613][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1837.250613][   T10]      netlink_rcv_skb+0x130/0x360
[ 1837.250613][   T10]      netlink_unicast+0x449/0x710
[ 1837.250613][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1837.250613][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1837.250613][   T10]      ___sys_sendmsg+0xee/0x170
[ 1837.250613][   T10]      __sys_sendmsg+0xcd/0x170
[ 1837.250613][   T10]      do_syscall_64+0xc6/0x1e0
[ 1837.250613][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1837.250613][   T10] 
[ 1837.252614][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1837.252614][   T10]      netdev_get_by_index+0x5e/0x80
[ 1837.252614][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1837.252614][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1837.252614][   T10]      ip6_route_add+0x1c/0x140
[ 1837.252614][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1837.252614][   T10]      addrconf_add_dev+0xe2/0x170
[ 1837.252614][   T10]      inet6_addr_add+0x12f/0xa40
[ 1837.252614][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1837.252614][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1837.252614][   T10]      netlink_rcv_skb+0x130/0x360
[ 1837.252614][   T10]      netlink_unicast+0x449/0x710
[ 1837.252614][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1837.252614][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1837.252614][   T10]      ___sys_sendmsg+0xee/0x170
[ 1837.252614][   T10]      __sys_sendmsg+0xcd/0x170
[ 1837.252614][   T10]      do_syscall_64+0xc6/0x1e0
[ 1837.252614][   T10] 
[ 1837.254575][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1837.254575][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1837.254575][   T10]      ipv6_find_idev+0x102/0x170
[ 1837.254575][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1837.254575][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1837.254575][   T10]      netlink_rcv_skb+0x130/0x360
[ 1837.254575][   T10]      netlink_unicast+0x449/0x710
[ 1837.254575][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1837.254575][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1837.254575][   T10]      ___sys_sendmsg+0xee/0x170
[ 1837.254575][   T10]      __sys_sendmsg+0xcd/0x170
[ 1837.254575][   T10]      do_syscall_64+0xc6/0x1e0
[ 1837.254575][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1837.254575][   T10] 
[ 1837.256113][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1837.256113][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1837.256113][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1837.256113][   T10]      ipv6_find_idev+0x102/0x170
[ 1837.256113][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1837.256113][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1837.256113][   T10]      netlink_rcv_skb+0x130/0x360
[ 1837.256113][   T10]      netlink_unicast+0x449/0x710
[ 1837.256113][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1837.256113][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1837.256113][   T10]      ___sys_sendmsg+0xee/0x170
[ 1837.256113][   T10]      __sys_sendmsg+0xcd/0x170
[ 1837.256113][   T10]      do_syscall_64+0xc6/0x1e0
[ 1837.256113][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1837.256113][   T10] 
[ 1844.520784][   T42] INFO: task modprobe:8169 blocked for more than 737 seconds.
[ 1844.521124][   T42]       Not tainted 6.8.0-virtme #1
[ 1844.521245][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1844.521443][   T42] task:modprobe        state:D stack:25648 pid:8169  tgid:8169  ppid:39     flags:0x00004002
[ 1844.521730][   T42] Call Trace:
[ 1844.521833][   T42]  <TASK>
[ 1844.521905][   T42]  __schedule+0x705/0x1ac0
[ 1844.522043][   T42]  ? __pfx___schedule+0x10/0x10
[ 1844.522168][   T42]  ? schedule+0x1a5/0x210
[ 1844.522265][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1844.522396][   T42]  ? mark_lock+0x38/0x3e0
[ 1844.522494][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 1844.522622][   T42]  ? schedule+0x1a5/0x210
[ 1844.522741][   T42]  schedule+0xdf/0x210
[ 1844.522841][   T42]  schedule_preempt_disabled+0x15/0x30
[ 1844.522964][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[ 1844.523097][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 1844.523253][   T42]  ? kasan_save_stack+0x34/0x50
[ 1844.523377][   T42]  ? kasan_save_stack+0x24/0x50
[ 1844.523501][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1844.523650][   T42]  ? lock_acquire+0x1c1/0x220
[ 1844.523773][   T42]  ? register_pernet_subsys+0x1a/0x50
[ 1844.523910][   T42]  down_write+0x1c9/0x200
[ 1844.524005][   T42]  ? __pfx_down_write+0x10/0x10
[ 1844.524131][   T42]  ? __pfx___lock_release+0x10/0x10
[ 1844.524263][   T42]  ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables]
[ 1844.524468][   T42]  register_pernet_subsys+0x1a/0x50
[ 1844.524592][   T42]  nf_tables_module_init+0x17/0x100 [nf_tables]
[ 1844.524789][   T42]  do_one_initcall+0xc8/0x3f0
[ 1844.524918][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[ 1844.525047][   T42]  ? __create_object+0x5e/0xb0
[ 1844.525174][   T42]  ? kasan_unpoison+0x27/0x60
[ 1844.525303][   T42]  do_init_module+0x233/0x740
[ 1844.525439][   T42]  load_module+0x16b5/0x2350
[ 1844.525604][   T42]  ? __pfx_load_module+0x10/0x10
[ 1844.525737][   T42]  ? kernel_read_file+0x3d2/0x520
[ 1844.525870][   T42]  ? kernel_read_file+0x300/0x520
[ 1844.526002][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[ 1844.526135][   T42]  ? init_module_from_file+0xd2/0x130
[ 1844.526258][   T42]  init_module_from_file+0xd2/0x130
[ 1844.526381][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[ 1844.526535][   T42]  ? __lock_release+0x103/0x460
[ 1844.526684][   T42]  ? idempotent_init_module+0x32a/0x620
[ 1844.526818][   T42]  ? idempotent_init_module+0x32a/0x620
[ 1844.526941][   T42]  ? do_raw_spin_unlock+0x58/0x220
[ 1844.527073][   T42]  idempotent_init_module+0x342/0x620
[ 1844.527199][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 1844.527370][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 1844.527498][   T42]  do_syscall_64+0xc6/0x1e0
[ 1844.527643][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1844.527799][   T42] RIP: 0033:0x7f8894ecfe5d
[ 1844.527927][   T42] RSP: 002b:00007ffc02fe9148 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 1844.528115][   T42] RAX: ffffffffffffffda RBX: 0000561734795e90 RCX: 00007f8894ecfe5d
[ 1844.528301][   T42] RDX: 0000000000000000 RSI: 000056171fd7ca2a RDI: 0000000000000001
[ 1844.528482][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00005617347964f0
[ 1844.528683][   T42] R10: 0000000000000001 R11: 0000000000000246 R12: 000056171fd7ca2a
[ 1844.528864][   T42] R13: 0000561734795e40 R14: 0000561734796570 R15: 0000000000000000
[ 1844.529066][   T42]  </TASK>
[ 1844.529159][   T42] 
[ 1844.529159][   T42] Showing all locks held in the system:
[ 1844.529335][   T42] 3 locks held by kworker/u16:0/10:
[ 1844.529455][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1844.529715][   T42]  #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1844.529936][   T42]  #2: ffffffff9816a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[ 1844.530157][   T42] 2 locks held by kworker/u20:0/39:
[ 1844.530278][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1844.530521][   T42]  #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1844.530820][   T42] 1 lock held by khungtaskd/42:
[ 1844.530959][   T42]  #0: ffffffff979591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[ 1844.531182][   T42] 1 lock held by modprobe/8169:
[ 1844.531299][   T42]  #0: ffffffff9816a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[ 1844.531552][   T42] 
[ 1844.531613][   T42] =============================================
[ 1844.531613][   T42] 
[ 1847.512745][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1847.513204][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1847.513204][   T10]      netdev_get_by_index+0x5e/0x80
[ 1847.513204][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1847.513204][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1847.513204][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1847.513204][   T10]      ipv6_add_addr+0x411/0x2000
[ 1847.513204][   T10]      inet6_addr_add+0x30e/0xa40
[ 1847.513204][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1847.513204][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1847.513204][   T10]      netlink_rcv_skb+0x130/0x360
[ 1847.513204][   T10]      netlink_unicast+0x449/0x710
[ 1847.513204][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1847.513204][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1847.513204][   T10]      ___sys_sendmsg+0xee/0x170
[ 1847.513204][   T10]      __sys_sendmsg+0xcd/0x170
[ 1847.513204][   T10]      do_syscall_64+0xc6/0x1e0
[ 1847.513204][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1847.513204][   T10] 
[ 1847.515250][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1847.515250][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1847.515250][   T10]      ipv6_find_idev+0x102/0x170
[ 1847.515250][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1847.515250][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1847.515250][   T10]      netlink_rcv_skb+0x130/0x360
[ 1847.515250][   T10]      netlink_unicast+0x449/0x710
[ 1847.515250][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1847.515250][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1847.515250][   T10]      ___sys_sendmsg+0xee/0x170
[ 1847.515250][   T10]      __sys_sendmsg+0xcd/0x170
[ 1847.515250][   T10]      do_syscall_64+0xc6/0x1e0
[ 1847.515250][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1847.515250][   T10] 
[ 1847.516802][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1847.516802][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1847.516802][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1847.516802][   T10]      ipv6_find_idev+0x102/0x170
[ 1847.516802][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1847.516802][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1847.516802][   T10]      netlink_rcv_skb+0x130/0x360
[ 1847.516802][   T10]      netlink_unicast+0x449/0x710
[ 1847.516802][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1847.516802][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1847.516802][   T10]      ___sys_sendmsg+0xee/0x170
[ 1847.516802][   T10]      __sys_sendmsg+0xcd/0x170
[ 1847.516802][   T10]      do_syscall_64+0xc6/0x1e0
[ 1847.516802][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1847.516802][   T10] 
[ 1847.518494][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1847.518766][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1847.518766][   T10]      netdev_get_by_index+0x5e/0x80
[ 1847.518766][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1847.518766][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1847.518766][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1847.518766][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1847.518766][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1847.518766][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1847.518766][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1847.518766][   T10]      addrconf_dad_begin+0x310/0x670
[ 1847.518766][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1847.518766][   T10]      process_one_work+0x84d/0x18a0
[ 1847.518766][   T10]      worker_thread+0x587/0xd30
[ 1847.518766][   T10]      kthread+0x28a/0x350
[ 1847.518766][   T10]      ret_from_fork+0x31/0x70
[ 1847.518766][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1847.518766][   T10] 
[ 1847.520653][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1847.520653][   T10]      netdev_get_by_index+0x5e/0x80
[ 1847.520653][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1847.520653][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1847.520653][   T10]      ip6_route_add+0x1c/0x140
[ 1847.520653][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1847.520653][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1847.520653][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1847.520653][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1847.520653][   T10]      netlink_rcv_skb+0x130/0x360
[ 1847.520653][   T10]      netlink_unicast+0x449/0x710
[ 1847.520653][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1847.520653][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1847.520653][   T10]      ___sys_sendmsg+0xee/0x170
[ 1847.520653][   T10]      __sys_sendmsg+0xcd/0x170
[ 1847.520653][   T10]      do_syscall_64+0xc6/0x1e0
[ 1847.520653][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1847.520653][   T10] 
[ 1847.522668][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1847.522668][   T10]      netdev_get_by_index+0x5e/0x80
[ 1847.522668][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1847.522668][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1847.522668][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1847.522668][   T10]      ipv6_add_addr+0x411/0x2000
[ 1847.522668][   T10]      inet6_addr_add+0x30e/0xa40
[ 1847.522668][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1847.522668][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1847.522668][   T10]      netlink_rcv_skb+0x130/0x360
[ 1847.522668][   T10]      netlink_unicast+0x449/0x710
[ 1847.522668][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1847.522668][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1847.522668][   T10]      ___sys_sendmsg+0xee/0x170
[ 1847.522668][   T10]      __sys_sendmsg+0xcd/0x170
[ 1847.522668][   T10]      do_syscall_64+0xc6/0x1e0
[ 1847.522668][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1847.522668][   T10] 
[ 1847.524678][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1847.524678][   T10]      netdev_get_by_index+0x5e/0x80
[ 1847.524678][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1847.524678][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1847.524678][   T10]      ip6_route_add+0x1c/0x140
[ 1847.524678][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1847.524678][   T10]      addrconf_add_dev+0xe2/0x170
[ 1847.524678][   T10]      inet6_addr_add+0x12f/0xa40
[ 1847.524678][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1847.524678][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1847.524678][   T10]      netlink_rcv_skb+0x130/0x360
[ 1847.524678][   T10]      netlink_unicast+0x449/0x710
[ 1847.524678][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1847.524678][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1847.524678][   T10]      ___sys_sendmsg+0xee/0x170
[ 1847.524678][   T10]      __sys_sendmsg+0xcd/0x170
[ 1847.524678][   T10]      do_syscall_64+0xc6/0x1e0
[ 1847.524678][   T10] 
[ 1847.526640][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1847.526640][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1847.526640][   T10]      ipv6_find_idev+0x102/0x170
[ 1847.526640][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1847.526640][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1847.526640][   T10]      netlink_rcv_skb+0x130/0x360
[ 1847.526640][   T10]      netlink_unicast+0x449/0x710
[ 1847.526640][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1847.526640][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1847.526640][   T10]      ___sys_sendmsg+0xee/0x170
[ 1847.526640][   T10]      __sys_sendmsg+0xcd/0x170
[ 1847.526640][   T10]      do_syscall_64+0xc6/0x1e0
[ 1847.526640][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1847.526640][   T10] 
[ 1847.528179][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1847.528179][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1847.528179][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1847.528179][   T10]      ipv6_find_idev+0x102/0x170
[ 1847.528179][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1847.528179][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1847.528179][   T10]      netlink_rcv_skb+0x130/0x360
[ 1847.528179][   T10]      netlink_unicast+0x449/0x710
[ 1847.528179][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1847.528179][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1847.528179][   T10]      ___sys_sendmsg+0xee/0x170
[ 1847.528179][   T10]      __sys_sendmsg+0xcd/0x170
[ 1847.528179][   T10]      do_syscall_64+0xc6/0x1e0
[ 1847.528179][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1847.528179][   T10] 
[ 1857.784738][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1857.785213][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1857.785213][   T10]      netdev_get_by_index+0x5e/0x80
[ 1857.785213][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1857.785213][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1857.785213][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1857.785213][   T10]      ipv6_add_addr+0x411/0x2000
[ 1857.785213][   T10]      inet6_addr_add+0x30e/0xa40
[ 1857.785213][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1857.785213][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1857.785213][   T10]      netlink_rcv_skb+0x130/0x360
[ 1857.785213][   T10]      netlink_unicast+0x449/0x710
[ 1857.785213][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1857.785213][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1857.785213][   T10]      ___sys_sendmsg+0xee/0x170
[ 1857.785213][   T10]      __sys_sendmsg+0xcd/0x170
[ 1857.785213][   T10]      do_syscall_64+0xc6/0x1e0
[ 1857.785213][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1857.785213][   T10] 
[ 1857.787266][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1857.787266][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1857.787266][   T10]      ipv6_find_idev+0x102/0x170
[ 1857.787266][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1857.787266][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1857.787266][   T10]      netlink_rcv_skb+0x130/0x360
[ 1857.787266][   T10]      netlink_unicast+0x449/0x710
[ 1857.787266][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1857.787266][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1857.787266][   T10]      ___sys_sendmsg+0xee/0x170
[ 1857.787266][   T10]      __sys_sendmsg+0xcd/0x170
[ 1857.787266][   T10]      do_syscall_64+0xc6/0x1e0
[ 1857.787266][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1857.787266][   T10] 
[ 1857.788818][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1857.788818][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1857.788818][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1857.788818][   T10]      ipv6_find_idev+0x102/0x170
[ 1857.788818][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1857.788818][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1857.788818][   T10]      netlink_rcv_skb+0x130/0x360
[ 1857.788818][   T10]      netlink_unicast+0x449/0x710
[ 1857.788818][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1857.788818][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1857.788818][   T10]      ___sys_sendmsg+0xee/0x170
[ 1857.788818][   T10]      __sys_sendmsg+0xcd/0x170
[ 1857.788818][   T10]      do_syscall_64+0xc6/0x1e0
[ 1857.788818][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1857.788818][   T10] 
[ 1857.790500][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1857.790761][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1857.790761][   T10]      netdev_get_by_index+0x5e/0x80
[ 1857.790761][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1857.790761][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1857.790761][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1857.790761][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1857.790761][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1857.790761][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1857.790761][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1857.790761][   T10]      addrconf_dad_begin+0x310/0x670
[ 1857.790761][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1857.790761][   T10]      process_one_work+0x84d/0x18a0
[ 1857.790761][   T10]      worker_thread+0x587/0xd30
[ 1857.790761][   T10]      kthread+0x28a/0x350
[ 1857.790761][   T10]      ret_from_fork+0x31/0x70
[ 1857.790761][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1857.790761][   T10] 
[ 1857.792656][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1857.792656][   T10]      netdev_get_by_index+0x5e/0x80
[ 1857.792656][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1857.792656][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1857.792656][   T10]      ip6_route_add+0x1c/0x140
[ 1857.792656][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1857.792656][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1857.792656][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1857.792656][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1857.792656][   T10]      netlink_rcv_skb+0x130/0x360
[ 1857.792656][   T10]      netlink_unicast+0x449/0x710
[ 1857.792656][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1857.792656][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1857.792656][   T10]      ___sys_sendmsg+0xee/0x170
[ 1857.792656][   T10]      __sys_sendmsg+0xcd/0x170
[ 1857.792656][   T10]      do_syscall_64+0xc6/0x1e0
[ 1857.792656][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1857.792656][   T10] 
[ 1857.794661][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1857.794661][   T10]      netdev_get_by_index+0x5e/0x80
[ 1857.794661][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1857.794661][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1857.794661][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1857.794661][   T10]      ipv6_add_addr+0x411/0x2000
[ 1857.794661][   T10]      inet6_addr_add+0x30e/0xa40
[ 1857.794661][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1857.794661][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1857.794661][   T10]      netlink_rcv_skb+0x130/0x360
[ 1857.794661][   T10]      netlink_unicast+0x449/0x710
[ 1857.794661][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1857.794661][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1857.794661][   T10]      ___sys_sendmsg+0xee/0x170
[ 1857.794661][   T10]      __sys_sendmsg+0xcd/0x170
[ 1857.794661][   T10]      do_syscall_64+0xc6/0x1e0
[ 1857.794661][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1857.794661][   T10] 
[ 1857.796659][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1857.796659][   T10]      netdev_get_by_index+0x5e/0x80
[ 1857.796659][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1857.796659][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1857.796659][   T10]      ip6_route_add+0x1c/0x140
[ 1857.796659][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1857.796659][   T10]      addrconf_add_dev+0xe2/0x170
[ 1857.796659][   T10]      inet6_addr_add+0x12f/0xa40
[ 1857.796659][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1857.796659][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1857.796659][   T10]      netlink_rcv_skb+0x130/0x360
[ 1857.796659][   T10]      netlink_unicast+0x449/0x710
[ 1857.796659][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1857.796659][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1857.796659][   T10]      ___sys_sendmsg+0xee/0x170
[ 1857.796659][   T10]      __sys_sendmsg+0xcd/0x170
[ 1857.796659][   T10]      do_syscall_64+0xc6/0x1e0
[ 1857.796659][   T10] 
[ 1857.798621][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1857.798621][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1857.798621][   T10]      ipv6_find_idev+0x102/0x170
[ 1857.798621][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1857.798621][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1857.798621][   T10]      netlink_rcv_skb+0x130/0x360
[ 1857.798621][   T10]      netlink_unicast+0x449/0x710
[ 1857.798621][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1857.798621][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1857.798621][   T10]      ___sys_sendmsg+0xee/0x170
[ 1857.798621][   T10]      __sys_sendmsg+0xcd/0x170
[ 1857.798621][   T10]      do_syscall_64+0xc6/0x1e0
[ 1857.798621][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1857.798621][   T10] 
[ 1857.800160][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1857.800160][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1857.800160][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1857.800160][   T10]      ipv6_find_idev+0x102/0x170
[ 1857.800160][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1857.800160][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1857.800160][   T10]      netlink_rcv_skb+0x130/0x360
[ 1857.800160][   T10]      netlink_unicast+0x449/0x710
[ 1857.800160][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1857.800160][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1857.800160][   T10]      ___sys_sendmsg+0xee/0x170
[ 1857.800160][   T10]      __sys_sendmsg+0xcd/0x170
[ 1857.800160][   T10]      do_syscall_64+0xc6/0x1e0
[ 1857.800160][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1857.800160][   T10] 
[ 1868.056749][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1868.057210][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1868.057210][   T10]      netdev_get_by_index+0x5e/0x80
[ 1868.057210][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1868.057210][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1868.057210][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1868.057210][   T10]      ipv6_add_addr+0x411/0x2000
[ 1868.057210][   T10]      inet6_addr_add+0x30e/0xa40
[ 1868.057210][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1868.057210][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1868.057210][   T10]      netlink_rcv_skb+0x130/0x360
[ 1868.057210][   T10]      netlink_unicast+0x449/0x710
[ 1868.057210][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1868.057210][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1868.057210][   T10]      ___sys_sendmsg+0xee/0x170
[ 1868.057210][   T10]      __sys_sendmsg+0xcd/0x170
[ 1868.057210][   T10]      do_syscall_64+0xc6/0x1e0
[ 1868.057210][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1868.057210][   T10] 
[ 1868.059240][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1868.059240][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1868.059240][   T10]      ipv6_find_idev+0x102/0x170
[ 1868.059240][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1868.059240][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1868.059240][   T10]      netlink_rcv_skb+0x130/0x360
[ 1868.059240][   T10]      netlink_unicast+0x449/0x710
[ 1868.059240][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1868.059240][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1868.059240][   T10]      ___sys_sendmsg+0xee/0x170
[ 1868.059240][   T10]      __sys_sendmsg+0xcd/0x170
[ 1868.059240][   T10]      do_syscall_64+0xc6/0x1e0
[ 1868.059240][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1868.059240][   T10] 
[ 1868.060800][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1868.060800][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1868.060800][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1868.060800][   T10]      ipv6_find_idev+0x102/0x170
[ 1868.060800][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1868.060800][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1868.060800][   T10]      netlink_rcv_skb+0x130/0x360
[ 1868.060800][   T10]      netlink_unicast+0x449/0x710
[ 1868.060800][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1868.060800][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1868.060800][   T10]      ___sys_sendmsg+0xee/0x170
[ 1868.060800][   T10]      __sys_sendmsg+0xcd/0x170
[ 1868.060800][   T10]      do_syscall_64+0xc6/0x1e0
[ 1868.060800][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1868.060800][   T10] 
[ 1868.062490][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1868.062764][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1868.062764][   T10]      netdev_get_by_index+0x5e/0x80
[ 1868.062764][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1868.062764][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1868.062764][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1868.062764][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1868.062764][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1868.062764][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1868.062764][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1868.062764][   T10]      addrconf_dad_begin+0x310/0x670
[ 1868.062764][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1868.062764][   T10]      process_one_work+0x84d/0x18a0
[ 1868.062764][   T10]      worker_thread+0x587/0xd30
[ 1868.062764][   T10]      kthread+0x28a/0x350
[ 1868.062764][   T10]      ret_from_fork+0x31/0x70
[ 1868.062764][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1868.062764][   T10] 
[ 1868.064658][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1868.064658][   T10]      netdev_get_by_index+0x5e/0x80
[ 1868.064658][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1868.064658][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1868.064658][   T10]      ip6_route_add+0x1c/0x140
[ 1868.064658][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1868.064658][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1868.064658][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1868.064658][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1868.064658][   T10]      netlink_rcv_skb+0x130/0x360
[ 1868.064658][   T10]      netlink_unicast+0x449/0x710
[ 1868.064658][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1868.064658][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1868.064658][   T10]      ___sys_sendmsg+0xee/0x170
[ 1868.064658][   T10]      __sys_sendmsg+0xcd/0x170
[ 1868.064658][   T10]      do_syscall_64+0xc6/0x1e0
[ 1868.064658][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1868.064658][   T10] 
[ 1868.066937][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1868.066937][   T10]      netdev_get_by_index+0x5e/0x80
[ 1868.066937][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1868.066937][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1868.066937][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1868.066937][   T10]      ipv6_add_addr+0x411/0x2000
[ 1868.066937][   T10]      inet6_addr_add+0x30e/0xa40
[ 1868.066937][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1868.066937][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1868.066937][   T10]      netlink_rcv_skb+0x130/0x360
[ 1868.066937][   T10]      netlink_unicast+0x449/0x710
[ 1868.066937][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1868.066937][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1868.066937][   T10]      ___sys_sendmsg+0xee/0x170
[ 1868.066937][   T10]      __sys_sendmsg+0xcd/0x170
[ 1868.066937][   T10]      do_syscall_64+0xc6/0x1e0
[ 1868.066937][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1868.066937][   T10] 
[ 1868.069332][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1868.069332][   T10]      netdev_get_by_index+0x5e/0x80
[ 1868.069332][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1868.069332][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1868.069332][   T10]      ip6_route_add+0x1c/0x140
[ 1868.069332][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1868.069332][   T10]      addrconf_add_dev+0xe2/0x170
[ 1868.069332][   T10]      inet6_addr_add+0x12f/0xa40
[ 1868.069332][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1868.069332][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1868.069332][   T10]      netlink_rcv_skb+0x130/0x360
[ 1868.069332][   T10]      netlink_unicast+0x449/0x710
[ 1868.069332][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1868.069332][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1868.069332][   T10]      ___sys_sendmsg+0xee/0x170
[ 1868.069332][   T10]      __sys_sendmsg+0xcd/0x170
[ 1868.069332][   T10]      do_syscall_64+0xc6/0x1e0
[ 1868.069332][   T10] 
[ 1868.071293][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1868.071293][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1868.071293][   T10]      ipv6_find_idev+0x102/0x170
[ 1868.071293][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1868.071293][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1868.071293][   T10]      netlink_rcv_skb+0x130/0x360
[ 1868.071293][   T10]      netlink_unicast+0x449/0x710
[ 1868.071293][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1868.071293][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1868.071293][   T10]      ___sys_sendmsg+0xee/0x170
[ 1868.071293][   T10]      __sys_sendmsg+0xcd/0x170
[ 1868.071293][   T10]      do_syscall_64+0xc6/0x1e0
[ 1868.071293][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1868.071293][   T10] 
[ 1868.072832][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1868.072832][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1868.072832][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1868.072832][   T10]      ipv6_find_idev+0x102/0x170
[ 1868.072832][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1868.072832][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1868.072832][   T10]      netlink_rcv_skb+0x130/0x360
[ 1868.072832][   T10]      netlink_unicast+0x449/0x710
[ 1868.072832][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1868.072832][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1868.072832][   T10]      ___sys_sendmsg+0xee/0x170
[ 1868.072832][   T10]      __sys_sendmsg+0xcd/0x170
[ 1868.072832][   T10]      do_syscall_64+0xc6/0x1e0
[ 1868.072832][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1868.072832][   T10] 
[ 1878.328761][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1878.329213][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1878.329213][   T10]      netdev_get_by_index+0x5e/0x80
[ 1878.329213][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1878.329213][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1878.329213][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1878.329213][   T10]      ipv6_add_addr+0x411/0x2000
[ 1878.329213][   T10]      inet6_addr_add+0x30e/0xa40
[ 1878.329213][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1878.329213][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1878.329213][   T10]      netlink_rcv_skb+0x130/0x360
[ 1878.329213][   T10]      netlink_unicast+0x449/0x710
[ 1878.329213][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1878.329213][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1878.329213][   T10]      ___sys_sendmsg+0xee/0x170
[ 1878.329213][   T10]      __sys_sendmsg+0xcd/0x170
[ 1878.329213][   T10]      do_syscall_64+0xc6/0x1e0
[ 1878.329213][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1878.329213][   T10] 
[ 1878.331270][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1878.331270][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1878.331270][   T10]      ipv6_find_idev+0x102/0x170
[ 1878.331270][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1878.331270][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1878.331270][   T10]      netlink_rcv_skb+0x130/0x360
[ 1878.331270][   T10]      netlink_unicast+0x449/0x710
[ 1878.331270][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1878.331270][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1878.331270][   T10]      ___sys_sendmsg+0xee/0x170
[ 1878.331270][   T10]      __sys_sendmsg+0xcd/0x170
[ 1878.331270][   T10]      do_syscall_64+0xc6/0x1e0
[ 1878.331270][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1878.331270][   T10] 
[ 1878.332810][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1878.332810][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1878.332810][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1878.332810][   T10]      ipv6_find_idev+0x102/0x170
[ 1878.332810][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1878.332810][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1878.332810][   T10]      netlink_rcv_skb+0x130/0x360
[ 1878.332810][   T10]      netlink_unicast+0x449/0x710
[ 1878.332810][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1878.332810][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1878.332810][   T10]      ___sys_sendmsg+0xee/0x170
[ 1878.332810][   T10]      __sys_sendmsg+0xcd/0x170
[ 1878.332810][   T10]      do_syscall_64+0xc6/0x1e0
[ 1878.332810][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1878.332810][   T10] 
[ 1878.334506][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1878.334774][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1878.334774][   T10]      netdev_get_by_index+0x5e/0x80
[ 1878.334774][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1878.334774][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1878.334774][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1878.334774][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1878.334774][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1878.334774][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1878.334774][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1878.334774][   T10]      addrconf_dad_begin+0x310/0x670
[ 1878.334774][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1878.334774][   T10]      process_one_work+0x84d/0x18a0
[ 1878.334774][   T10]      worker_thread+0x587/0xd30
[ 1878.334774][   T10]      kthread+0x28a/0x350
[ 1878.334774][   T10]      ret_from_fork+0x31/0x70
[ 1878.334774][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1878.334774][   T10] 
[ 1878.336654][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1878.336654][   T10]      netdev_get_by_index+0x5e/0x80
[ 1878.336654][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1878.336654][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1878.336654][   T10]      ip6_route_add+0x1c/0x140
[ 1878.336654][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1878.336654][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1878.336654][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1878.336654][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1878.336654][   T10]      netlink_rcv_skb+0x130/0x360
[ 1878.336654][   T10]      netlink_unicast+0x449/0x710
[ 1878.336654][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1878.336654][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1878.336654][   T10]      ___sys_sendmsg+0xee/0x170
[ 1878.336654][   T10]      __sys_sendmsg+0xcd/0x170
[ 1878.336654][   T10]      do_syscall_64+0xc6/0x1e0
[ 1878.336654][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1878.336654][   T10] 
[ 1878.338659][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1878.338659][   T10]      netdev_get_by_index+0x5e/0x80
[ 1878.338659][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1878.338659][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1878.338659][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1878.338659][   T10]      ipv6_add_addr+0x411/0x2000
[ 1878.338659][   T10]      inet6_addr_add+0x30e/0xa40
[ 1878.338659][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1878.338659][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1878.338659][   T10]      netlink_rcv_skb+0x130/0x360
[ 1878.338659][   T10]      netlink_unicast+0x449/0x710
[ 1878.338659][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1878.338659][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1878.338659][   T10]      ___sys_sendmsg+0xee/0x170
[ 1878.338659][   T10]      __sys_sendmsg+0xcd/0x170
[ 1878.338659][   T10]      do_syscall_64+0xc6/0x1e0
[ 1878.338659][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1878.338659][   T10] 
[ 1878.340647][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1878.340647][   T10]      netdev_get_by_index+0x5e/0x80
[ 1878.340647][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1878.340647][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1878.340647][   T10]      ip6_route_add+0x1c/0x140
[ 1878.340647][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1878.340647][   T10]      addrconf_add_dev+0xe2/0x170
[ 1878.340647][   T10]      inet6_addr_add+0x12f/0xa40
[ 1878.340647][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1878.340647][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1878.340647][   T10]      netlink_rcv_skb+0x130/0x360
[ 1878.340647][   T10]      netlink_unicast+0x449/0x710
[ 1878.340647][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1878.340647][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1878.340647][   T10]      ___sys_sendmsg+0xee/0x170
[ 1878.340647][   T10]      __sys_sendmsg+0xcd/0x170
[ 1878.340647][   T10]      do_syscall_64+0xc6/0x1e0
[ 1878.340647][   T10] 
[ 1878.342609][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1878.342609][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1878.342609][   T10]      ipv6_find_idev+0x102/0x170
[ 1878.342609][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1878.342609][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1878.342609][   T10]      netlink_rcv_skb+0x130/0x360
[ 1878.342609][   T10]      netlink_unicast+0x449/0x710
[ 1878.342609][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1878.342609][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1878.342609][   T10]      ___sys_sendmsg+0xee/0x170
[ 1878.342609][   T10]      __sys_sendmsg+0xcd/0x170
[ 1878.342609][   T10]      do_syscall_64+0xc6/0x1e0
[ 1878.342609][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1878.342609][   T10] 
[ 1878.344169][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1878.344169][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1878.344169][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1878.344169][   T10]      ipv6_find_idev+0x102/0x170
[ 1878.344169][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1878.344169][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1878.344169][   T10]      netlink_rcv_skb+0x130/0x360
[ 1878.344169][   T10]      netlink_unicast+0x449/0x710
[ 1878.344169][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1878.344169][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1878.344169][   T10]      ___sys_sendmsg+0xee/0x170
[ 1878.344169][   T10]      __sys_sendmsg+0xcd/0x170
[ 1878.344169][   T10]      do_syscall_64+0xc6/0x1e0
[ 1878.344169][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1878.344169][   T10] 
[ 1888.592743][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1888.593465][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1888.593465][   T10]      netdev_get_by_index+0x5e/0x80
[ 1888.593465][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1888.593465][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1888.593465][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1888.593465][   T10]      ipv6_add_addr+0x411/0x2000
[ 1888.593465][   T10]      inet6_addr_add+0x30e/0xa40
[ 1888.593465][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1888.593465][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1888.593465][   T10]      netlink_rcv_skb+0x130/0x360
[ 1888.593465][   T10]      netlink_unicast+0x449/0x710
[ 1888.593465][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1888.593465][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1888.593465][   T10]      ___sys_sendmsg+0xee/0x170
[ 1888.593465][   T10]      __sys_sendmsg+0xcd/0x170
[ 1888.593465][   T10]      do_syscall_64+0xc6/0x1e0
[ 1888.593465][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1888.593465][   T10] 
[ 1888.595506][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1888.595506][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1888.595506][   T10]      ipv6_find_idev+0x102/0x170
[ 1888.595506][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1888.595506][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1888.595506][   T10]      netlink_rcv_skb+0x130/0x360
[ 1888.595506][   T10]      netlink_unicast+0x449/0x710
[ 1888.595506][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1888.595506][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1888.595506][   T10]      ___sys_sendmsg+0xee/0x170
[ 1888.595506][   T10]      __sys_sendmsg+0xcd/0x170
[ 1888.595506][   T10]      do_syscall_64+0xc6/0x1e0
[ 1888.595506][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1888.595506][   T10] 
[ 1888.597052][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1888.597052][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1888.597052][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1888.597052][   T10]      ipv6_find_idev+0x102/0x170
[ 1888.597052][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1888.597052][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1888.597052][   T10]      netlink_rcv_skb+0x130/0x360
[ 1888.597052][   T10]      netlink_unicast+0x449/0x710
[ 1888.597052][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1888.597052][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1888.597052][   T10]      ___sys_sendmsg+0xee/0x170
[ 1888.597052][   T10]      __sys_sendmsg+0xcd/0x170
[ 1888.597052][   T10]      do_syscall_64+0xc6/0x1e0
[ 1888.597052][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1888.597052][   T10] 
[ 1888.598740][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1888.598994][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1888.598994][   T10]      netdev_get_by_index+0x5e/0x80
[ 1888.598994][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1888.598994][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1888.598994][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1888.598994][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1888.598994][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1888.598994][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1888.598994][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1888.598994][   T10]      addrconf_dad_begin+0x310/0x670
[ 1888.598994][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1888.598994][   T10]      process_one_work+0x84d/0x18a0
[ 1888.598994][   T10]      worker_thread+0x587/0xd30
[ 1888.598994][   T10]      kthread+0x28a/0x350
[ 1888.598994][   T10]      ret_from_fork+0x31/0x70
[ 1888.598994][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1888.598994][   T10] 
[ 1888.600877][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1888.600877][   T10]      netdev_get_by_index+0x5e/0x80
[ 1888.600877][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1888.600877][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1888.600877][   T10]      ip6_route_add+0x1c/0x140
[ 1888.600877][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1888.600877][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1888.600877][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1888.600877][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1888.600877][   T10]      netlink_rcv_skb+0x130/0x360
[ 1888.600877][   T10]      netlink_unicast+0x449/0x710
[ 1888.600877][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1888.600877][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1888.600877][   T10]      ___sys_sendmsg+0xee/0x170
[ 1888.600877][   T10]      __sys_sendmsg+0xcd/0x170
[ 1888.600877][   T10]      do_syscall_64+0xc6/0x1e0
[ 1888.600877][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1888.600877][   T10] 
[ 1888.602883][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1888.602883][   T10]      netdev_get_by_index+0x5e/0x80
[ 1888.602883][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1888.602883][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1888.602883][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1888.602883][   T10]      ipv6_add_addr+0x411/0x2000
[ 1888.602883][   T10]      inet6_addr_add+0x30e/0xa40
[ 1888.602883][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1888.602883][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1888.602883][   T10]      netlink_rcv_skb+0x130/0x360
[ 1888.602883][   T10]      netlink_unicast+0x449/0x710
[ 1888.602883][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1888.602883][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1888.602883][   T10]      ___sys_sendmsg+0xee/0x170
[ 1888.602883][   T10]      __sys_sendmsg+0xcd/0x170
[ 1888.602883][   T10]      do_syscall_64+0xc6/0x1e0
[ 1888.602883][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1888.602883][   T10] 
[ 1888.604883][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1888.604883][   T10]      netdev_get_by_index+0x5e/0x80
[ 1888.604883][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1888.604883][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1888.604883][   T10]      ip6_route_add+0x1c/0x140
[ 1888.604883][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1888.604883][   T10]      addrconf_add_dev+0xe2/0x170
[ 1888.604883][   T10]      inet6_addr_add+0x12f/0xa40
[ 1888.604883][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1888.604883][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1888.604883][   T10]      netlink_rcv_skb+0x130/0x360
[ 1888.604883][   T10]      netlink_unicast+0x449/0x710
[ 1888.604883][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1888.604883][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1888.604883][   T10]      ___sys_sendmsg+0xee/0x170
[ 1888.604883][   T10]      __sys_sendmsg+0xcd/0x170
[ 1888.604883][   T10]      do_syscall_64+0xc6/0x1e0
[ 1888.604883][   T10] 
[ 1888.606848][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1888.606848][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1888.606848][   T10]      ipv6_find_idev+0x102/0x170
[ 1888.606848][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1888.606848][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1888.606848][   T10]      netlink_rcv_skb+0x130/0x360
[ 1888.606848][   T10]      netlink_unicast+0x449/0x710
[ 1888.606848][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1888.606848][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1888.606848][   T10]      ___sys_sendmsg+0xee/0x170
[ 1888.606848][   T10]      __sys_sendmsg+0xcd/0x170
[ 1888.606848][   T10]      do_syscall_64+0xc6/0x1e0
[ 1888.606848][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1888.606848][   T10] 
[ 1888.608393][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1888.608393][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1888.608393][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1888.608393][   T10]      ipv6_find_idev+0x102/0x170
[ 1888.608393][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1888.608393][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1888.608393][   T10]      netlink_rcv_skb+0x130/0x360
[ 1888.608393][   T10]      netlink_unicast+0x449/0x710
[ 1888.608393][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1888.608393][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1888.608393][   T10]      ___sys_sendmsg+0xee/0x170
[ 1888.608393][   T10]      __sys_sendmsg+0xcd/0x170
[ 1888.608393][   T10]      do_syscall_64+0xc6/0x1e0
[ 1888.608393][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1888.608393][   T10] 
[ 1898.864736][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1898.865199][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1898.865199][   T10]      netdev_get_by_index+0x5e/0x80
[ 1898.865199][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1898.865199][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1898.865199][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1898.865199][   T10]      ipv6_add_addr+0x411/0x2000
[ 1898.865199][   T10]      inet6_addr_add+0x30e/0xa40
[ 1898.865199][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1898.865199][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1898.865199][   T10]      netlink_rcv_skb+0x130/0x360
[ 1898.865199][   T10]      netlink_unicast+0x449/0x710
[ 1898.865199][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1898.865199][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1898.865199][   T10]      ___sys_sendmsg+0xee/0x170
[ 1898.865199][   T10]      __sys_sendmsg+0xcd/0x170
[ 1898.865199][   T10]      do_syscall_64+0xc6/0x1e0
[ 1898.865199][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1898.865199][   T10] 
[ 1898.867239][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1898.867239][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1898.867239][   T10]      ipv6_find_idev+0x102/0x170
[ 1898.867239][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1898.867239][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1898.867239][   T10]      netlink_rcv_skb+0x130/0x360
[ 1898.867239][   T10]      netlink_unicast+0x449/0x710
[ 1898.867239][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1898.867239][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1898.867239][   T10]      ___sys_sendmsg+0xee/0x170
[ 1898.867239][   T10]      __sys_sendmsg+0xcd/0x170
[ 1898.867239][   T10]      do_syscall_64+0xc6/0x1e0
[ 1898.867239][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1898.867239][   T10] 
[ 1898.868802][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1898.868802][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1898.868802][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1898.868802][   T10]      ipv6_find_idev+0x102/0x170
[ 1898.868802][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1898.868802][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1898.868802][   T10]      netlink_rcv_skb+0x130/0x360
[ 1898.868802][   T10]      netlink_unicast+0x449/0x710
[ 1898.868802][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1898.868802][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1898.868802][   T10]      ___sys_sendmsg+0xee/0x170
[ 1898.868802][   T10]      __sys_sendmsg+0xcd/0x170
[ 1898.868802][   T10]      do_syscall_64+0xc6/0x1e0
[ 1898.868802][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1898.868802][   T10] 
[ 1898.870504][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1898.870772][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1898.870772][   T10]      netdev_get_by_index+0x5e/0x80
[ 1898.870772][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1898.870772][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1898.870772][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1898.870772][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1898.870772][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1898.870772][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1898.870772][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1898.870772][   T10]      addrconf_dad_begin+0x310/0x670
[ 1898.870772][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1898.870772][   T10]      process_one_work+0x84d/0x18a0
[ 1898.870772][   T10]      worker_thread+0x587/0xd30
[ 1898.870772][   T10]      kthread+0x28a/0x350
[ 1898.870772][   T10]      ret_from_fork+0x31/0x70
[ 1898.870772][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1898.870772][   T10] 
[ 1898.872666][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1898.872666][   T10]      netdev_get_by_index+0x5e/0x80
[ 1898.872666][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1898.872666][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1898.872666][   T10]      ip6_route_add+0x1c/0x140
[ 1898.872666][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1898.872666][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1898.872666][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1898.872666][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1898.872666][   T10]      netlink_rcv_skb+0x130/0x360
[ 1898.872666][   T10]      netlink_unicast+0x449/0x710
[ 1898.872666][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1898.872666][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1898.872666][   T10]      ___sys_sendmsg+0xee/0x170
[ 1898.872666][   T10]      __sys_sendmsg+0xcd/0x170
[ 1898.872666][   T10]      do_syscall_64+0xc6/0x1e0
[ 1898.872666][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1898.872666][   T10] 
[ 1898.874676][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1898.874676][   T10]      netdev_get_by_index+0x5e/0x80
[ 1898.874676][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1898.874676][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1898.874676][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1898.874676][   T10]      ipv6_add_addr+0x411/0x2000
[ 1898.874676][   T10]      inet6_addr_add+0x30e/0xa40
[ 1898.874676][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1898.874676][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1898.874676][   T10]      netlink_rcv_skb+0x130/0x360
[ 1898.874676][   T10]      netlink_unicast+0x449/0x710
[ 1898.874676][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1898.874676][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1898.874676][   T10]      ___sys_sendmsg+0xee/0x170
[ 1898.874676][   T10]      __sys_sendmsg+0xcd/0x170
[ 1898.874676][   T10]      do_syscall_64+0xc6/0x1e0
[ 1898.874676][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1898.874676][   T10] 
[ 1898.876685][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1898.876685][   T10]      netdev_get_by_index+0x5e/0x80
[ 1898.876685][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1898.876685][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1898.876685][   T10]      ip6_route_add+0x1c/0x140
[ 1898.876685][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1898.876685][   T10]      addrconf_add_dev+0xe2/0x170
[ 1898.876685][   T10]      inet6_addr_add+0x12f/0xa40
[ 1898.876685][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1898.876685][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1898.876685][   T10]      netlink_rcv_skb+0x130/0x360
[ 1898.876685][   T10]      netlink_unicast+0x449/0x710
[ 1898.876685][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1898.876685][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1898.876685][   T10]      ___sys_sendmsg+0xee/0x170
[ 1898.876685][   T10]      __sys_sendmsg+0xcd/0x170
[ 1898.876685][   T10]      do_syscall_64+0xc6/0x1e0
[ 1898.876685][   T10] 
[ 1898.878649][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1898.878649][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1898.878649][   T10]      ipv6_find_idev+0x102/0x170
[ 1898.878649][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1898.878649][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1898.878649][   T10]      netlink_rcv_skb+0x130/0x360
[ 1898.878649][   T10]      netlink_unicast+0x449/0x710
[ 1898.878649][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1898.878649][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1898.878649][   T10]      ___sys_sendmsg+0xee/0x170
[ 1898.878649][   T10]      __sys_sendmsg+0xcd/0x170
[ 1898.878649][   T10]      do_syscall_64+0xc6/0x1e0
[ 1898.878649][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1898.878649][   T10] 
[ 1898.880189][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1898.880189][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1898.880189][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1898.880189][   T10]      ipv6_find_idev+0x102/0x170
[ 1898.880189][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1898.880189][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1898.880189][   T10]      netlink_rcv_skb+0x130/0x360
[ 1898.880189][   T10]      netlink_unicast+0x449/0x710
[ 1898.880189][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1898.880189][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1898.880189][   T10]      ___sys_sendmsg+0xee/0x170
[ 1898.880189][   T10]      __sys_sendmsg+0xcd/0x170
[ 1898.880189][   T10]      do_syscall_64+0xc6/0x1e0
[ 1898.880189][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1898.880189][   T10] 
[ 1909.136759][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1909.137229][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1909.137229][   T10]      netdev_get_by_index+0x5e/0x80
[ 1909.137229][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1909.137229][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1909.137229][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1909.137229][   T10]      ipv6_add_addr+0x411/0x2000
[ 1909.137229][   T10]      inet6_addr_add+0x30e/0xa40
[ 1909.137229][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1909.137229][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1909.137229][   T10]      netlink_rcv_skb+0x130/0x360
[ 1909.137229][   T10]      netlink_unicast+0x449/0x710
[ 1909.137229][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1909.137229][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1909.137229][   T10]      ___sys_sendmsg+0xee/0x170
[ 1909.137229][   T10]      __sys_sendmsg+0xcd/0x170
[ 1909.137229][   T10]      do_syscall_64+0xc6/0x1e0
[ 1909.137229][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1909.137229][   T10] 
[ 1909.139262][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1909.139262][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1909.139262][   T10]      ipv6_find_idev+0x102/0x170
[ 1909.139262][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1909.139262][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1909.139262][   T10]      netlink_rcv_skb+0x130/0x360
[ 1909.139262][   T10]      netlink_unicast+0x449/0x710
[ 1909.139262][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1909.139262][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1909.139262][   T10]      ___sys_sendmsg+0xee/0x170
[ 1909.139262][   T10]      __sys_sendmsg+0xcd/0x170
[ 1909.139262][   T10]      do_syscall_64+0xc6/0x1e0
[ 1909.139262][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1909.139262][   T10] 
[ 1909.140812][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1909.140812][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1909.140812][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1909.140812][   T10]      ipv6_find_idev+0x102/0x170
[ 1909.140812][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1909.140812][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1909.140812][   T10]      netlink_rcv_skb+0x130/0x360
[ 1909.140812][   T10]      netlink_unicast+0x449/0x710
[ 1909.140812][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1909.140812][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1909.140812][   T10]      ___sys_sendmsg+0xee/0x170
[ 1909.140812][   T10]      __sys_sendmsg+0xcd/0x170
[ 1909.140812][   T10]      do_syscall_64+0xc6/0x1e0
[ 1909.140812][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1909.140812][   T10] 
[ 1909.142503][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1909.142777][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1909.142777][   T10]      netdev_get_by_index+0x5e/0x80
[ 1909.142777][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1909.142777][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1909.142777][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1909.142777][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1909.142777][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1909.142777][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1909.142777][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1909.142777][   T10]      addrconf_dad_begin+0x310/0x670
[ 1909.142777][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1909.142777][   T10]      process_one_work+0x84d/0x18a0
[ 1909.142777][   T10]      worker_thread+0x587/0xd30
[ 1909.142777][   T10]      kthread+0x28a/0x350
[ 1909.142777][   T10]      ret_from_fork+0x31/0x70
[ 1909.142777][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1909.142777][   T10] 
[ 1909.144671][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1909.144671][   T10]      netdev_get_by_index+0x5e/0x80
[ 1909.144671][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1909.144671][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1909.144671][   T10]      ip6_route_add+0x1c/0x140
[ 1909.144671][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1909.144671][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1909.144671][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1909.144671][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1909.144671][   T10]      netlink_rcv_skb+0x130/0x360
[ 1909.144671][   T10]      netlink_unicast+0x449/0x710
[ 1909.144671][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1909.144671][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1909.144671][   T10]      ___sys_sendmsg+0xee/0x170
[ 1909.144671][   T10]      __sys_sendmsg+0xcd/0x170
[ 1909.144671][   T10]      do_syscall_64+0xc6/0x1e0
[ 1909.144671][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1909.144671][   T10] 
[ 1909.146666][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1909.146666][   T10]      netdev_get_by_index+0x5e/0x80
[ 1909.146666][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1909.146666][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1909.146666][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1909.146666][   T10]      ipv6_add_addr+0x411/0x2000
[ 1909.146666][   T10]      inet6_addr_add+0x30e/0xa40
[ 1909.146666][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1909.146666][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1909.146666][   T10]      netlink_rcv_skb+0x130/0x360
[ 1909.146666][   T10]      netlink_unicast+0x449/0x710
[ 1909.146666][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1909.146666][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1909.146666][   T10]      ___sys_sendmsg+0xee/0x170
[ 1909.146666][   T10]      __sys_sendmsg+0xcd/0x170
[ 1909.146666][   T10]      do_syscall_64+0xc6/0x1e0
[ 1909.146666][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1909.146666][   T10] 
[ 1909.148661][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1909.148661][   T10]      netdev_get_by_index+0x5e/0x80
[ 1909.148661][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1909.148661][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1909.148661][   T10]      ip6_route_add+0x1c/0x140
[ 1909.148661][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1909.148661][   T10]      addrconf_add_dev+0xe2/0x170
[ 1909.148661][   T10]      inet6_addr_add+0x12f/0xa40
[ 1909.148661][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1909.148661][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1909.148661][   T10]      netlink_rcv_skb+0x130/0x360
[ 1909.148661][   T10]      netlink_unicast+0x449/0x710
[ 1909.148661][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1909.148661][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1909.148661][   T10]      ___sys_sendmsg+0xee/0x170
[ 1909.148661][   T10]      __sys_sendmsg+0xcd/0x170
[ 1909.148661][   T10]      do_syscall_64+0xc6/0x1e0
[ 1909.148661][   T10] 
[ 1909.150632][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1909.150632][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1909.150632][   T10]      ipv6_find_idev+0x102/0x170
[ 1909.150632][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1909.150632][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1909.150632][   T10]      netlink_rcv_skb+0x130/0x360
[ 1909.150632][   T10]      netlink_unicast+0x449/0x710
[ 1909.150632][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1909.150632][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1909.150632][   T10]      ___sys_sendmsg+0xee/0x170
[ 1909.150632][   T10]      __sys_sendmsg+0xcd/0x170
[ 1909.150632][   T10]      do_syscall_64+0xc6/0x1e0
[ 1909.150632][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1909.150632][   T10] 
[ 1909.152166][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1909.152166][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1909.152166][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1909.152166][   T10]      ipv6_find_idev+0x102/0x170
[ 1909.152166][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1909.152166][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1909.152166][   T10]      netlink_rcv_skb+0x130/0x360
[ 1909.152166][   T10]      netlink_unicast+0x449/0x710
[ 1909.152166][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1909.152166][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1909.152166][   T10]      ___sys_sendmsg+0xee/0x170
[ 1909.152166][   T10]      __sys_sendmsg+0xcd/0x170
[ 1909.152166][   T10]      do_syscall_64+0xc6/0x1e0
[ 1909.152166][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1909.152166][   T10] 
[ 1919.408767][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1919.409225][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1919.409225][   T10]      netdev_get_by_index+0x5e/0x80
[ 1919.409225][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1919.409225][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1919.409225][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1919.409225][   T10]      ipv6_add_addr+0x411/0x2000
[ 1919.409225][   T10]      inet6_addr_add+0x30e/0xa40
[ 1919.409225][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1919.409225][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1919.409225][   T10]      netlink_rcv_skb+0x130/0x360
[ 1919.409225][   T10]      netlink_unicast+0x449/0x710
[ 1919.409225][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1919.409225][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1919.409225][   T10]      ___sys_sendmsg+0xee/0x170
[ 1919.409225][   T10]      __sys_sendmsg+0xcd/0x170
[ 1919.409225][   T10]      do_syscall_64+0xc6/0x1e0
[ 1919.409225][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1919.409225][   T10] 
[ 1919.411252][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1919.411252][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1919.411252][   T10]      ipv6_find_idev+0x102/0x170
[ 1919.411252][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1919.411252][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1919.411252][   T10]      netlink_rcv_skb+0x130/0x360
[ 1919.411252][   T10]      netlink_unicast+0x449/0x710
[ 1919.411252][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1919.411252][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1919.411252][   T10]      ___sys_sendmsg+0xee/0x170
[ 1919.411252][   T10]      __sys_sendmsg+0xcd/0x170
[ 1919.411252][   T10]      do_syscall_64+0xc6/0x1e0
[ 1919.411252][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1919.411252][   T10] 
[ 1919.412795][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1919.412795][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1919.412795][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1919.412795][   T10]      ipv6_find_idev+0x102/0x170
[ 1919.412795][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1919.412795][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1919.412795][   T10]      netlink_rcv_skb+0x130/0x360
[ 1919.412795][   T10]      netlink_unicast+0x449/0x710
[ 1919.412795][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1919.412795][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1919.412795][   T10]      ___sys_sendmsg+0xee/0x170
[ 1919.412795][   T10]      __sys_sendmsg+0xcd/0x170
[ 1919.412795][   T10]      do_syscall_64+0xc6/0x1e0
[ 1919.412795][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1919.412795][   T10] 
[ 1919.414488][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1919.414764][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1919.414764][   T10]      netdev_get_by_index+0x5e/0x80
[ 1919.414764][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1919.414764][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1919.414764][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1919.414764][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1919.414764][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1919.414764][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1919.414764][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1919.414764][   T10]      addrconf_dad_begin+0x310/0x670
[ 1919.414764][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1919.414764][   T10]      process_one_work+0x84d/0x18a0
[ 1919.414764][   T10]      worker_thread+0x587/0xd30
[ 1919.414764][   T10]      kthread+0x28a/0x350
[ 1919.414764][   T10]      ret_from_fork+0x31/0x70
[ 1919.414764][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1919.414764][   T10] 
[ 1919.416903][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1919.416903][   T10]      netdev_get_by_index+0x5e/0x80
[ 1919.416903][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1919.416903][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1919.416903][   T10]      ip6_route_add+0x1c/0x140
[ 1919.416903][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1919.416903][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1919.416903][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1919.416903][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1919.416903][   T10]      netlink_rcv_skb+0x130/0x360
[ 1919.416903][   T10]      netlink_unicast+0x449/0x710
[ 1919.416903][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1919.416903][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1919.416903][   T10]      ___sys_sendmsg+0xee/0x170
[ 1919.416903][   T10]      __sys_sendmsg+0xcd/0x170
[ 1919.416903][   T10]      do_syscall_64+0xc6/0x1e0
[ 1919.416903][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1919.416903][   T10] 
[ 1919.418898][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1919.418898][   T10]      netdev_get_by_index+0x5e/0x80
[ 1919.418898][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1919.418898][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1919.418898][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1919.418898][   T10]      ipv6_add_addr+0x411/0x2000
[ 1919.418898][   T10]      inet6_addr_add+0x30e/0xa40
[ 1919.418898][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1919.418898][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1919.418898][   T10]      netlink_rcv_skb+0x130/0x360
[ 1919.418898][   T10]      netlink_unicast+0x449/0x710
[ 1919.418898][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1919.418898][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1919.418898][   T10]      ___sys_sendmsg+0xee/0x170
[ 1919.418898][   T10]      __sys_sendmsg+0xcd/0x170
[ 1919.418898][   T10]      do_syscall_64+0xc6/0x1e0
[ 1919.418898][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1919.418898][   T10] 
[ 1919.420902][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1919.420902][   T10]      netdev_get_by_index+0x5e/0x80
[ 1919.420902][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1919.420902][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1919.420902][   T10]      ip6_route_add+0x1c/0x140
[ 1919.420902][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1919.420902][   T10]      addrconf_add_dev+0xe2/0x170
[ 1919.420902][   T10]      inet6_addr_add+0x12f/0xa40
[ 1919.420902][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1919.420902][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1919.420902][   T10]      netlink_rcv_skb+0x130/0x360
[ 1919.420902][   T10]      netlink_unicast+0x449/0x710
[ 1919.420902][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1919.420902][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1919.420902][   T10]      ___sys_sendmsg+0xee/0x170
[ 1919.420902][   T10]      __sys_sendmsg+0xcd/0x170
[ 1919.420902][   T10]      do_syscall_64+0xc6/0x1e0
[ 1919.420902][   T10] 
[ 1919.422865][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1919.422865][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1919.422865][   T10]      ipv6_find_idev+0x102/0x170
[ 1919.422865][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1919.422865][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1919.422865][   T10]      netlink_rcv_skb+0x130/0x360
[ 1919.422865][   T10]      netlink_unicast+0x449/0x710
[ 1919.422865][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1919.422865][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1919.422865][   T10]      ___sys_sendmsg+0xee/0x170
[ 1919.422865][   T10]      __sys_sendmsg+0xcd/0x170
[ 1919.422865][   T10]      do_syscall_64+0xc6/0x1e0
[ 1919.422865][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1919.422865][   T10] 
[ 1919.424412][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1919.424412][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1919.424412][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1919.424412][   T10]      ipv6_find_idev+0x102/0x170
[ 1919.424412][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1919.424412][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1919.424412][   T10]      netlink_rcv_skb+0x130/0x360
[ 1919.424412][   T10]      netlink_unicast+0x449/0x710
[ 1919.424412][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1919.424412][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1919.424412][   T10]      ___sys_sendmsg+0xee/0x170
[ 1919.424412][   T10]      __sys_sendmsg+0xcd/0x170
[ 1919.424412][   T10]      do_syscall_64+0xc6/0x1e0
[ 1919.424412][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1919.424412][   T10] 
[ 1929.680763][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1929.681242][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1929.681242][   T10]      netdev_get_by_index+0x5e/0x80
[ 1929.681242][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1929.681242][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1929.681242][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1929.681242][   T10]      ipv6_add_addr+0x411/0x2000
[ 1929.681242][   T10]      inet6_addr_add+0x30e/0xa40
[ 1929.681242][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1929.681242][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1929.681242][   T10]      netlink_rcv_skb+0x130/0x360
[ 1929.681242][   T10]      netlink_unicast+0x449/0x710
[ 1929.681242][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1929.681242][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1929.681242][   T10]      ___sys_sendmsg+0xee/0x170
[ 1929.681242][   T10]      __sys_sendmsg+0xcd/0x170
[ 1929.681242][   T10]      do_syscall_64+0xc6/0x1e0
[ 1929.681242][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1929.681242][   T10] 
[ 1929.683303][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1929.683303][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1929.683303][   T10]      ipv6_find_idev+0x102/0x170
[ 1929.683303][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1929.683303][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1929.683303][   T10]      netlink_rcv_skb+0x130/0x360
[ 1929.683303][   T10]      netlink_unicast+0x449/0x710
[ 1929.683303][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1929.683303][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1929.683303][   T10]      ___sys_sendmsg+0xee/0x170
[ 1929.683303][   T10]      __sys_sendmsg+0xcd/0x170
[ 1929.683303][   T10]      do_syscall_64+0xc6/0x1e0
[ 1929.683303][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1929.683303][   T10] 
[ 1929.684888][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1929.684888][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1929.684888][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1929.684888][   T10]      ipv6_find_idev+0x102/0x170
[ 1929.684888][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1929.684888][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1929.684888][   T10]      netlink_rcv_skb+0x130/0x360
[ 1929.684888][   T10]      netlink_unicast+0x449/0x710
[ 1929.684888][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1929.684888][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1929.684888][   T10]      ___sys_sendmsg+0xee/0x170
[ 1929.684888][   T10]      __sys_sendmsg+0xcd/0x170
[ 1929.684888][   T10]      do_syscall_64+0xc6/0x1e0
[ 1929.684888][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1929.684888][   T10] 
[ 1929.686614][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1929.686892][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1929.686892][   T10]      netdev_get_by_index+0x5e/0x80
[ 1929.686892][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1929.686892][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1929.686892][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1929.686892][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1929.686892][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1929.686892][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1929.686892][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1929.686892][   T10]      addrconf_dad_begin+0x310/0x670
[ 1929.686892][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1929.686892][   T10]      process_one_work+0x84d/0x18a0
[ 1929.686892][   T10]      worker_thread+0x587/0xd30
[ 1929.686892][   T10]      kthread+0x28a/0x350
[ 1929.686892][   T10]      ret_from_fork+0x31/0x70
[ 1929.686892][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1929.686892][   T10] 
[ 1929.688809][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1929.688809][   T10]      netdev_get_by_index+0x5e/0x80
[ 1929.688809][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1929.688809][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1929.688809][   T10]      ip6_route_add+0x1c/0x140
[ 1929.688809][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1929.688809][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1929.688809][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1929.688809][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1929.688809][   T10]      netlink_rcv_skb+0x130/0x360
[ 1929.688809][   T10]      netlink_unicast+0x449/0x710
[ 1929.688809][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1929.688809][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1929.688809][   T10]      ___sys_sendmsg+0xee/0x170
[ 1929.688809][   T10]      __sys_sendmsg+0xcd/0x170
[ 1929.688809][   T10]      do_syscall_64+0xc6/0x1e0
[ 1929.688809][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1929.688809][   T10] 
[ 1929.690840][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1929.690840][   T10]      netdev_get_by_index+0x5e/0x80
[ 1929.690840][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1929.690840][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1929.690840][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1929.690840][   T10]      ipv6_add_addr+0x411/0x2000
[ 1929.690840][   T10]      inet6_addr_add+0x30e/0xa40
[ 1929.690840][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1929.690840][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1929.690840][   T10]      netlink_rcv_skb+0x130/0x360
[ 1929.690840][   T10]      netlink_unicast+0x449/0x710
[ 1929.690840][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1929.690840][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1929.690840][   T10]      ___sys_sendmsg+0xee/0x170
[ 1929.690840][   T10]      __sys_sendmsg+0xcd/0x170
[ 1929.690840][   T10]      do_syscall_64+0xc6/0x1e0
[ 1929.690840][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1929.690840][   T10] 
[ 1929.692861][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1929.692861][   T10]      netdev_get_by_index+0x5e/0x80
[ 1929.692861][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1929.692861][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1929.692861][   T10]      ip6_route_add+0x1c/0x140
[ 1929.692861][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1929.692861][   T10]      addrconf_add_dev+0xe2/0x170
[ 1929.692861][   T10]      inet6_addr_add+0x12f/0xa40
[ 1929.692861][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1929.692861][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1929.692861][   T10]      netlink_rcv_skb+0x130/0x360
[ 1929.692861][   T10]      netlink_unicast+0x449/0x710
[ 1929.692861][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1929.692861][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1929.692861][   T10]      ___sys_sendmsg+0xee/0x170
[ 1929.692861][   T10]      __sys_sendmsg+0xcd/0x170
[ 1929.692861][   T10]      do_syscall_64+0xc6/0x1e0
[ 1929.692861][   T10] 
[ 1929.694860][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1929.694860][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1929.694860][   T10]      ipv6_find_idev+0x102/0x170
[ 1929.694860][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1929.694860][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1929.694860][   T10]      netlink_rcv_skb+0x130/0x360
[ 1929.694860][   T10]      netlink_unicast+0x449/0x710
[ 1929.694860][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1929.694860][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1929.694860][   T10]      ___sys_sendmsg+0xee/0x170
[ 1929.694860][   T10]      __sys_sendmsg+0xcd/0x170
[ 1929.694860][   T10]      do_syscall_64+0xc6/0x1e0
[ 1929.694860][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1929.694860][   T10] 
[ 1929.696423][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1929.696423][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1929.696423][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1929.696423][   T10]      ipv6_find_idev+0x102/0x170
[ 1929.696423][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1929.696423][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1929.696423][   T10]      netlink_rcv_skb+0x130/0x360
[ 1929.696423][   T10]      netlink_unicast+0x449/0x710
[ 1929.696423][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1929.696423][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1929.696423][   T10]      ___sys_sendmsg+0xee/0x170
[ 1929.696423][   T10]      __sys_sendmsg+0xcd/0x170
[ 1929.696423][   T10]      do_syscall_64+0xc6/0x1e0
[ 1929.696423][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1929.696423][   T10] 
[ 1939.952751][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1939.953567][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1939.953567][   T10]      netdev_get_by_index+0x5e/0x80
[ 1939.953567][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1939.953567][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1939.953567][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1939.953567][   T10]      ipv6_add_addr+0x411/0x2000
[ 1939.953567][   T10]      inet6_addr_add+0x30e/0xa40
[ 1939.953567][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1939.953567][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1939.953567][   T10]      netlink_rcv_skb+0x130/0x360
[ 1939.953567][   T10]      netlink_unicast+0x449/0x710
[ 1939.953567][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1939.953567][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1939.953567][   T10]      ___sys_sendmsg+0xee/0x170
[ 1939.953567][   T10]      __sys_sendmsg+0xcd/0x170
[ 1939.953567][   T10]      do_syscall_64+0xc6/0x1e0
[ 1939.953567][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1939.953567][   T10] 
[ 1939.959003][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1939.959003][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1939.959003][   T10]      ipv6_find_idev+0x102/0x170
[ 1939.959003][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1939.959003][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1939.959003][   T10]      netlink_rcv_skb+0x130/0x360
[ 1939.959003][   T10]      netlink_unicast+0x449/0x710
[ 1939.959003][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1939.959003][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1939.959003][   T10]      ___sys_sendmsg+0xee/0x170
[ 1939.959003][   T10]      __sys_sendmsg+0xcd/0x170
[ 1939.959003][   T10]      do_syscall_64+0xc6/0x1e0
[ 1939.959003][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1939.959003][   T10] 
[ 1939.963142][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1939.963142][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1939.963142][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1939.963142][   T10]      ipv6_find_idev+0x102/0x170
[ 1939.963142][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1939.963142][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1939.963142][   T10]      netlink_rcv_skb+0x130/0x360
[ 1939.963142][   T10]      netlink_unicast+0x449/0x710
[ 1939.963142][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1939.963142][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1939.963142][   T10]      ___sys_sendmsg+0xee/0x170
[ 1939.963142][   T10]      __sys_sendmsg+0xcd/0x170
[ 1939.963142][   T10]      do_syscall_64+0xc6/0x1e0
[ 1939.963142][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1939.963142][   T10] 
[ 1939.967703][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1939.968247][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1939.968247][   T10]      netdev_get_by_index+0x5e/0x80
[ 1939.968247][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1939.968247][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1939.968247][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1939.968247][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1939.968247][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1939.968247][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1939.968247][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1939.968247][   T10]      addrconf_dad_begin+0x310/0x670
[ 1939.968247][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1939.968247][   T10]      process_one_work+0x84d/0x18a0
[ 1939.968247][   T10]      worker_thread+0x587/0xd30
[ 1939.968247][   T10]      kthread+0x28a/0x350
[ 1939.968247][   T10]      ret_from_fork+0x31/0x70
[ 1939.968247][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1939.968247][   T10] 
[ 1939.972533][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1939.972533][   T10]      netdev_get_by_index+0x5e/0x80
[ 1939.972533][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1939.972533][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1939.972533][   T10]      ip6_route_add+0x1c/0x140
[ 1939.972533][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1939.972533][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1939.972533][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1939.972533][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1939.972533][   T10]      netlink_rcv_skb+0x130/0x360
[ 1939.972533][   T10]      netlink_unicast+0x449/0x710
[ 1939.972533][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1939.972533][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1939.972533][   T10]      ___sys_sendmsg+0xee/0x170
[ 1939.972533][   T10]      __sys_sendmsg+0xcd/0x170
[ 1939.972533][   T10]      do_syscall_64+0xc6/0x1e0
[ 1939.972533][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1939.972533][   T10] 
[ 1939.976022][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1939.976022][   T10]      netdev_get_by_index+0x5e/0x80
[ 1939.976022][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1939.976022][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1939.976022][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1939.976022][   T10]      ipv6_add_addr+0x411/0x2000
[ 1939.976022][   T10]      inet6_addr_add+0x30e/0xa40
[ 1939.976022][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1939.976022][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1939.976022][   T10]      netlink_rcv_skb+0x130/0x360
[ 1939.976022][   T10]      netlink_unicast+0x449/0x710
[ 1939.976022][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1939.976022][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1939.976022][   T10]      ___sys_sendmsg+0xee/0x170
[ 1939.976022][   T10]      __sys_sendmsg+0xcd/0x170
[ 1939.976022][   T10]      do_syscall_64+0xc6/0x1e0
[ 1939.976022][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1939.976022][   T10] 
[ 1939.979362][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1939.979362][   T10]      netdev_get_by_index+0x5e/0x80
[ 1939.979362][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1939.979362][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1939.979362][   T10]      ip6_route_add+0x1c/0x140
[ 1939.979362][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1939.979362][   T10]      addrconf_add_dev+0xe2/0x170
[ 1939.979362][   T10]      inet6_addr_add+0x12f/0xa40
[ 1939.979362][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1939.979362][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1939.979362][   T10]      netlink_rcv_skb+0x130/0x360
[ 1939.979362][   T10]      netlink_unicast+0x449/0x710
[ 1939.979362][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1939.979362][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1939.979362][   T10]      ___sys_sendmsg+0xee/0x170
[ 1939.979362][   T10]      __sys_sendmsg+0xcd/0x170
[ 1939.979362][   T10]      do_syscall_64+0xc6/0x1e0
[ 1939.979362][   T10] 
[ 1939.983014][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1939.983014][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1939.983014][   T10]      ipv6_find_idev+0x102/0x170
[ 1939.983014][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1939.983014][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1939.983014][   T10]      netlink_rcv_skb+0x130/0x360
[ 1939.983014][   T10]      netlink_unicast+0x449/0x710
[ 1939.983014][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1939.983014][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1939.983014][   T10]      ___sys_sendmsg+0xee/0x170
[ 1939.983014][   T10]      __sys_sendmsg+0xcd/0x170
[ 1939.983014][   T10]      do_syscall_64+0xc6/0x1e0
[ 1939.983014][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1939.983014][   T10] 
[ 1939.985665][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1939.985665][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1939.985665][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1939.985665][   T10]      ipv6_find_idev+0x102/0x170
[ 1939.985665][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1939.985665][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1939.985665][   T10]      netlink_rcv_skb+0x130/0x360
[ 1939.985665][   T10]      netlink_unicast+0x449/0x710
[ 1939.985665][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1939.985665][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1939.985665][   T10]      ___sys_sendmsg+0xee/0x170
[ 1939.985665][   T10]      __sys_sendmsg+0xcd/0x170
[ 1939.985665][   T10]      do_syscall_64+0xc6/0x1e0
[ 1939.985665][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1939.985665][   T10] 
[ 1950.240742][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1950.241223][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1950.241223][   T10]      netdev_get_by_index+0x5e/0x80
[ 1950.241223][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1950.241223][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1950.241223][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1950.241223][   T10]      ipv6_add_addr+0x411/0x2000
[ 1950.241223][   T10]      inet6_addr_add+0x30e/0xa40
[ 1950.241223][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1950.241223][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1950.241223][   T10]      netlink_rcv_skb+0x130/0x360
[ 1950.241223][   T10]      netlink_unicast+0x449/0x710
[ 1950.241223][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1950.241223][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1950.241223][   T10]      ___sys_sendmsg+0xee/0x170
[ 1950.241223][   T10]      __sys_sendmsg+0xcd/0x170
[ 1950.241223][   T10]      do_syscall_64+0xc6/0x1e0
[ 1950.241223][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1950.241223][   T10] 
[ 1950.243278][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1950.243278][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1950.243278][   T10]      ipv6_find_idev+0x102/0x170
[ 1950.243278][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1950.243278][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1950.243278][   T10]      netlink_rcv_skb+0x130/0x360
[ 1950.243278][   T10]      netlink_unicast+0x449/0x710
[ 1950.243278][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1950.243278][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1950.243278][   T10]      ___sys_sendmsg+0xee/0x170
[ 1950.243278][   T10]      __sys_sendmsg+0xcd/0x170
[ 1950.243278][   T10]      do_syscall_64+0xc6/0x1e0
[ 1950.243278][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1950.243278][   T10] 
[ 1950.244855][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1950.244855][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1950.244855][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1950.244855][   T10]      ipv6_find_idev+0x102/0x170
[ 1950.244855][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1950.244855][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1950.244855][   T10]      netlink_rcv_skb+0x130/0x360
[ 1950.244855][   T10]      netlink_unicast+0x449/0x710
[ 1950.244855][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1950.244855][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1950.244855][   T10]      ___sys_sendmsg+0xee/0x170
[ 1950.244855][   T10]      __sys_sendmsg+0xcd/0x170
[ 1950.244855][   T10]      do_syscall_64+0xc6/0x1e0
[ 1950.244855][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1950.244855][   T10] 
[ 1950.246604][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1950.246893][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1950.246893][   T10]      netdev_get_by_index+0x5e/0x80
[ 1950.246893][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1950.246893][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1950.246893][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1950.246893][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1950.246893][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1950.246893][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1950.246893][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1950.246893][   T10]      addrconf_dad_begin+0x310/0x670
[ 1950.246893][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1950.246893][   T10]      process_one_work+0x84d/0x18a0
[ 1950.246893][   T10]      worker_thread+0x587/0xd30
[ 1950.246893][   T10]      kthread+0x28a/0x350
[ 1950.246893][   T10]      ret_from_fork+0x31/0x70
[ 1950.246893][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1950.246893][   T10] 
[ 1950.248792][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1950.248792][   T10]      netdev_get_by_index+0x5e/0x80
[ 1950.248792][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1950.248792][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1950.248792][   T10]      ip6_route_add+0x1c/0x140
[ 1950.248792][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1950.248792][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1950.248792][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1950.248792][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1950.248792][   T10]      netlink_rcv_skb+0x130/0x360
[ 1950.248792][   T10]      netlink_unicast+0x449/0x710
[ 1950.248792][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1950.248792][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1950.248792][   T10]      ___sys_sendmsg+0xee/0x170
[ 1950.248792][   T10]      __sys_sendmsg+0xcd/0x170
[ 1950.248792][   T10]      do_syscall_64+0xc6/0x1e0
[ 1950.248792][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1950.248792][   T10] 
[ 1950.250810][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1950.250810][   T10]      netdev_get_by_index+0x5e/0x80
[ 1950.250810][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1950.250810][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1950.250810][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1950.250810][   T10]      ipv6_add_addr+0x411/0x2000
[ 1950.250810][   T10]      inet6_addr_add+0x30e/0xa40
[ 1950.250810][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1950.250810][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1950.250810][   T10]      netlink_rcv_skb+0x130/0x360
[ 1950.250810][   T10]      netlink_unicast+0x449/0x710
[ 1950.250810][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1950.250810][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1950.250810][   T10]      ___sys_sendmsg+0xee/0x170
[ 1950.250810][   T10]      __sys_sendmsg+0xcd/0x170
[ 1950.250810][   T10]      do_syscall_64+0xc6/0x1e0
[ 1950.250810][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1950.250810][   T10] 
[ 1950.252837][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1950.252837][   T10]      netdev_get_by_index+0x5e/0x80
[ 1950.252837][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1950.252837][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1950.252837][   T10]      ip6_route_add+0x1c/0x140
[ 1950.252837][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1950.252837][   T10]      addrconf_add_dev+0xe2/0x170
[ 1950.252837][   T10]      inet6_addr_add+0x12f/0xa40
[ 1950.252837][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1950.252837][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1950.252837][   T10]      netlink_rcv_skb+0x130/0x360
[ 1950.252837][   T10]      netlink_unicast+0x449/0x710
[ 1950.252837][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1950.252837][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1950.252837][   T10]      ___sys_sendmsg+0xee/0x170
[ 1950.252837][   T10]      __sys_sendmsg+0xcd/0x170
[ 1950.252837][   T10]      do_syscall_64+0xc6/0x1e0
[ 1950.252837][   T10] 
[ 1950.254822][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1950.254822][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1950.254822][   T10]      ipv6_find_idev+0x102/0x170
[ 1950.254822][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1950.254822][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1950.254822][   T10]      netlink_rcv_skb+0x130/0x360
[ 1950.254822][   T10]      netlink_unicast+0x449/0x710
[ 1950.254822][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1950.254822][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1950.254822][   T10]      ___sys_sendmsg+0xee/0x170
[ 1950.254822][   T10]      __sys_sendmsg+0xcd/0x170
[ 1950.254822][   T10]      do_syscall_64+0xc6/0x1e0
[ 1950.254822][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1950.254822][   T10] 
[ 1950.256375][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1950.256375][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1950.256375][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1950.256375][   T10]      ipv6_find_idev+0x102/0x170
[ 1950.256375][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1950.256375][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1950.256375][   T10]      netlink_rcv_skb+0x130/0x360
[ 1950.256375][   T10]      netlink_unicast+0x449/0x710
[ 1950.256375][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1950.256375][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1950.256375][   T10]      ___sys_sendmsg+0xee/0x170
[ 1950.256375][   T10]      __sys_sendmsg+0xcd/0x170
[ 1950.256375][   T10]      do_syscall_64+0xc6/0x1e0
[ 1950.256375][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1950.256375][   T10] 
[ 1960.512776][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1960.513267][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1960.513267][   T10]      netdev_get_by_index+0x5e/0x80
[ 1960.513267][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1960.513267][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1960.513267][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1960.513267][   T10]      ipv6_add_addr+0x411/0x2000
[ 1960.513267][   T10]      inet6_addr_add+0x30e/0xa40
[ 1960.513267][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1960.513267][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1960.513267][   T10]      netlink_rcv_skb+0x130/0x360
[ 1960.513267][   T10]      netlink_unicast+0x449/0x710
[ 1960.513267][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1960.513267][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1960.513267][   T10]      ___sys_sendmsg+0xee/0x170
[ 1960.513267][   T10]      __sys_sendmsg+0xcd/0x170
[ 1960.513267][   T10]      do_syscall_64+0xc6/0x1e0
[ 1960.513267][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1960.513267][   T10] 
[ 1960.515326][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1960.515326][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1960.515326][   T10]      ipv6_find_idev+0x102/0x170
[ 1960.515326][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1960.515326][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1960.515326][   T10]      netlink_rcv_skb+0x130/0x360
[ 1960.515326][   T10]      netlink_unicast+0x449/0x710
[ 1960.515326][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1960.515326][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1960.515326][   T10]      ___sys_sendmsg+0xee/0x170
[ 1960.515326][   T10]      __sys_sendmsg+0xcd/0x170
[ 1960.515326][   T10]      do_syscall_64+0xc6/0x1e0
[ 1960.515326][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1960.515326][   T10] 
[ 1960.516895][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1960.516895][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1960.516895][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1960.516895][   T10]      ipv6_find_idev+0x102/0x170
[ 1960.516895][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1960.516895][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1960.516895][   T10]      netlink_rcv_skb+0x130/0x360
[ 1960.516895][   T10]      netlink_unicast+0x449/0x710
[ 1960.516895][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1960.516895][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1960.516895][   T10]      ___sys_sendmsg+0xee/0x170
[ 1960.516895][   T10]      __sys_sendmsg+0xcd/0x170
[ 1960.516895][   T10]      do_syscall_64+0xc6/0x1e0
[ 1960.516895][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1960.516895][   T10] 
[ 1960.518612][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1960.518895][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1960.518895][   T10]      netdev_get_by_index+0x5e/0x80
[ 1960.518895][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1960.518895][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1960.518895][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1960.518895][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1960.518895][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1960.518895][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1960.518895][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1960.518895][   T10]      addrconf_dad_begin+0x310/0x670
[ 1960.518895][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1960.518895][   T10]      process_one_work+0x84d/0x18a0
[ 1960.518895][   T10]      worker_thread+0x587/0xd30
[ 1960.518895][   T10]      kthread+0x28a/0x350
[ 1960.518895][   T10]      ret_from_fork+0x31/0x70
[ 1960.518895][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1960.518895][   T10] 
[ 1960.520793][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1960.520793][   T10]      netdev_get_by_index+0x5e/0x80
[ 1960.520793][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1960.520793][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1960.520793][   T10]      ip6_route_add+0x1c/0x140
[ 1960.520793][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1960.520793][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1960.520793][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1960.520793][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1960.520793][   T10]      netlink_rcv_skb+0x130/0x360
[ 1960.520793][   T10]      netlink_unicast+0x449/0x710
[ 1960.520793][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1960.520793][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1960.520793][   T10]      ___sys_sendmsg+0xee/0x170
[ 1960.520793][   T10]      __sys_sendmsg+0xcd/0x170
[ 1960.520793][   T10]      do_syscall_64+0xc6/0x1e0
[ 1960.520793][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1960.520793][   T10] 
[ 1960.522831][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1960.522831][   T10]      netdev_get_by_index+0x5e/0x80
[ 1960.522831][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1960.522831][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1960.522831][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1960.522831][   T10]      ipv6_add_addr+0x411/0x2000
[ 1960.522831][   T10]      inet6_addr_add+0x30e/0xa40
[ 1960.522831][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1960.522831][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1960.522831][   T10]      netlink_rcv_skb+0x130/0x360
[ 1960.522831][   T10]      netlink_unicast+0x449/0x710
[ 1960.522831][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1960.522831][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1960.522831][   T10]      ___sys_sendmsg+0xee/0x170
[ 1960.522831][   T10]      __sys_sendmsg+0xcd/0x170
[ 1960.522831][   T10]      do_syscall_64+0xc6/0x1e0
[ 1960.522831][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1960.522831][   T10] 
[ 1960.524850][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1960.524850][   T10]      netdev_get_by_index+0x5e/0x80
[ 1960.524850][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1960.524850][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1960.524850][   T10]      ip6_route_add+0x1c/0x140
[ 1960.524850][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1960.524850][   T10]      addrconf_add_dev+0xe2/0x170
[ 1960.524850][   T10]      inet6_addr_add+0x12f/0xa40
[ 1960.524850][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1960.524850][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1960.524850][   T10]      netlink_rcv_skb+0x130/0x360
[ 1960.524850][   T10]      netlink_unicast+0x449/0x710
[ 1960.524850][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1960.524850][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1960.524850][   T10]      ___sys_sendmsg+0xee/0x170
[ 1960.524850][   T10]      __sys_sendmsg+0xcd/0x170
[ 1960.524850][   T10]      do_syscall_64+0xc6/0x1e0
[ 1960.524850][   T10] 
[ 1960.526904][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1960.526904][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1960.526904][   T10]      ipv6_find_idev+0x102/0x170
[ 1960.526904][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1960.526904][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1960.526904][   T10]      netlink_rcv_skb+0x130/0x360
[ 1960.526904][   T10]      netlink_unicast+0x449/0x710
[ 1960.526904][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1960.526904][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1960.526904][   T10]      ___sys_sendmsg+0xee/0x170
[ 1960.526904][   T10]      __sys_sendmsg+0xcd/0x170
[ 1960.526904][   T10]      do_syscall_64+0xc6/0x1e0
[ 1960.526904][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1960.526904][   T10] 
[ 1960.528459][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1960.528459][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1960.528459][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1960.528459][   T10]      ipv6_find_idev+0x102/0x170
[ 1960.528459][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1960.528459][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1960.528459][   T10]      netlink_rcv_skb+0x130/0x360
[ 1960.528459][   T10]      netlink_unicast+0x449/0x710
[ 1960.528459][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1960.528459][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1960.528459][   T10]      ___sys_sendmsg+0xee/0x170
[ 1960.528459][   T10]      __sys_sendmsg+0xcd/0x170
[ 1960.528459][   T10]      do_syscall_64+0xc6/0x1e0
[ 1960.528459][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1960.528459][   T10] 
[ 1967.400792][   T42] INFO: task modprobe:8169 blocked for more than 860 seconds.
[ 1967.401141][   T42]       Not tainted 6.8.0-virtme #1
[ 1967.401265][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1967.401465][   T42] task:modprobe        state:D stack:25648 pid:8169  tgid:8169  ppid:39     flags:0x00004002
[ 1967.401744][   T42] Call Trace:
[ 1967.401842][   T42]  <TASK>
[ 1967.401915][   T42]  __schedule+0x705/0x1ac0
[ 1967.402057][   T42]  ? __pfx___schedule+0x10/0x10
[ 1967.402186][   T42]  ? schedule+0x1a5/0x210
[ 1967.402284][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1967.402415][   T42]  ? mark_lock+0x38/0x3e0
[ 1967.402509][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 1967.402653][   T42]  ? schedule+0x1a5/0x210
[ 1967.402752][   T42]  schedule+0xdf/0x210
[ 1967.402849][   T42]  schedule_preempt_disabled+0x15/0x30
[ 1967.402976][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[ 1967.403112][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 1967.403265][   T42]  ? kasan_save_stack+0x34/0x50
[ 1967.403390][   T42]  ? kasan_save_stack+0x24/0x50
[ 1967.403515][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1967.403655][   T42]  ? lock_acquire+0x1c1/0x220
[ 1967.403787][   T42]  ? register_pernet_subsys+0x1a/0x50
[ 1967.403922][   T42]  down_write+0x1c9/0x200
[ 1967.404020][   T42]  ? __pfx_down_write+0x10/0x10
[ 1967.404146][   T42]  ? __pfx___lock_release+0x10/0x10
[ 1967.404277][   T42]  ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables]
[ 1967.404474][   T42]  register_pernet_subsys+0x1a/0x50
[ 1967.404601][   T42]  nf_tables_module_init+0x17/0x100 [nf_tables]
[ 1967.404796][   T42]  do_one_initcall+0xc8/0x3f0
[ 1967.404921][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[ 1967.405049][   T42]  ? __create_object+0x5e/0xb0
[ 1967.405177][   T42]  ? kasan_unpoison+0x27/0x60
[ 1967.405308][   T42]  do_init_module+0x233/0x740
[ 1967.405447][   T42]  load_module+0x16b5/0x2350
[ 1967.405582][   T42]  ? __pfx_load_module+0x10/0x10
[ 1967.405724][   T42]  ? kernel_read_file+0x3d2/0x520
[ 1967.405855][   T42]  ? kernel_read_file+0x300/0x520
[ 1967.405984][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[ 1967.406122][   T42]  ? init_module_from_file+0xd2/0x130
[ 1967.406248][   T42]  init_module_from_file+0xd2/0x130
[ 1967.406375][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[ 1967.406530][   T42]  ? __lock_release+0x103/0x460
[ 1967.406662][   T42]  ? idempotent_init_module+0x32a/0x620
[ 1967.406797][   T42]  ? idempotent_init_module+0x32a/0x620
[ 1967.406920][   T42]  ? do_raw_spin_unlock+0x58/0x220
[ 1967.407053][   T42]  idempotent_init_module+0x342/0x620
[ 1967.407179][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 1967.407354][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 1967.407480][   T42]  do_syscall_64+0xc6/0x1e0
[ 1967.407610][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1967.407773][   T42] RIP: 0033:0x7f8894ecfe5d
[ 1967.407905][   T42] RSP: 002b:00007ffc02fe9148 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 1967.408091][   T42] RAX: ffffffffffffffda RBX: 0000561734795e90 RCX: 00007f8894ecfe5d
[ 1967.408278][   T42] RDX: 0000000000000000 RSI: 000056171fd7ca2a RDI: 0000000000000001
[ 1967.408463][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00005617347964f0
[ 1967.408659][   T42] R10: 0000000000000001 R11: 0000000000000246 R12: 000056171fd7ca2a
[ 1967.408840][   T42] R13: 0000561734795e40 R14: 0000561734796570 R15: 0000000000000000
[ 1967.409036][   T42]  </TASK>
[ 1967.409133][   T42] 
[ 1967.409133][   T42] Showing all locks held in the system:
[ 1967.409313][   T42] 3 locks held by kworker/u16:0/10:
[ 1967.409437][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1967.409705][   T42]  #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1967.409929][   T42]  #2: ffffffff9816a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[ 1967.410149][   T42] 2 locks held by kworker/u20:0/39:
[ 1967.410275][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1967.410520][   T42]  #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1967.410802][   T42] 1 lock held by khungtaskd/42:
[ 1967.410920][   T42]  #0: ffffffff979591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[ 1967.411151][   T42] 1 lock held by modprobe/8169:
[ 1967.411269][   T42]  #0: ffffffff9816a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[ 1967.411515][   T42] 
[ 1967.411576][   T42] =============================================
[ 1967.411576][   T42] 
[ 1970.688833][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1970.689227][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1970.689227][   T10]      netdev_get_by_index+0x5e/0x80
[ 1970.689227][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1970.689227][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1970.689227][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1970.689227][   T10]      ipv6_add_addr+0x411/0x2000
[ 1970.689227][   T10]      inet6_addr_add+0x30e/0xa40
[ 1970.689227][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1970.689227][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1970.689227][   T10]      netlink_rcv_skb+0x130/0x360
[ 1970.689227][   T10]      netlink_unicast+0x449/0x710
[ 1970.689227][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1970.689227][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1970.689227][   T10]      ___sys_sendmsg+0xee/0x170
[ 1970.689227][   T10]      __sys_sendmsg+0xcd/0x170
[ 1970.689227][   T10]      do_syscall_64+0xc6/0x1e0
[ 1970.689227][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1970.689227][   T10] 
[ 1970.691262][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1970.691262][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1970.691262][   T10]      ipv6_find_idev+0x102/0x170
[ 1970.691262][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1970.691262][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1970.691262][   T10]      netlink_rcv_skb+0x130/0x360
[ 1970.691262][   T10]      netlink_unicast+0x449/0x710
[ 1970.691262][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1970.691262][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1970.691262][   T10]      ___sys_sendmsg+0xee/0x170
[ 1970.691262][   T10]      __sys_sendmsg+0xcd/0x170
[ 1970.691262][   T10]      do_syscall_64+0xc6/0x1e0
[ 1970.691262][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1970.691262][   T10] 
[ 1970.693213][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1970.693213][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1970.693213][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1970.693213][   T10]      ipv6_find_idev+0x102/0x170
[ 1970.693213][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1970.693213][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1970.693213][   T10]      netlink_rcv_skb+0x130/0x360
[ 1970.693213][   T10]      netlink_unicast+0x449/0x710
[ 1970.693213][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1970.693213][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1970.693213][   T10]      ___sys_sendmsg+0xee/0x170
[ 1970.693213][   T10]      __sys_sendmsg+0xcd/0x170
[ 1970.693213][   T10]      do_syscall_64+0xc6/0x1e0
[ 1970.693213][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1970.693213][   T10] 
[ 1970.694920][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1970.695179][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1970.695179][   T10]      netdev_get_by_index+0x5e/0x80
[ 1970.695179][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1970.695179][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1970.695179][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1970.695179][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1970.695179][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1970.695179][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1970.695179][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1970.695179][   T10]      addrconf_dad_begin+0x310/0x670
[ 1970.695179][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1970.695179][   T10]      process_one_work+0x84d/0x18a0
[ 1970.695179][   T10]      worker_thread+0x587/0xd30
[ 1970.695179][   T10]      kthread+0x28a/0x350
[ 1970.695179][   T10]      ret_from_fork+0x31/0x70
[ 1970.695179][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1970.695179][   T10] 
[ 1970.697074][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1970.697074][   T10]      netdev_get_by_index+0x5e/0x80
[ 1970.697074][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1970.697074][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1970.697074][   T10]      ip6_route_add+0x1c/0x140
[ 1970.697074][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1970.697074][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1970.697074][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1970.697074][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1970.697074][   T10]      netlink_rcv_skb+0x130/0x360
[ 1970.697074][   T10]      netlink_unicast+0x449/0x710
[ 1970.697074][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1970.697074][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1970.697074][   T10]      ___sys_sendmsg+0xee/0x170
[ 1970.697074][   T10]      __sys_sendmsg+0xcd/0x170
[ 1970.697074][   T10]      do_syscall_64+0xc6/0x1e0
[ 1970.697074][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1970.697074][   T10] 
[ 1970.699073][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1970.699073][   T10]      netdev_get_by_index+0x5e/0x80
[ 1970.699073][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1970.699073][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1970.699073][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1970.699073][   T10]      ipv6_add_addr+0x411/0x2000
[ 1970.699073][   T10]      inet6_addr_add+0x30e/0xa40
[ 1970.699073][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1970.699073][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1970.699073][   T10]      netlink_rcv_skb+0x130/0x360
[ 1970.699073][   T10]      netlink_unicast+0x449/0x710
[ 1970.699073][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1970.699073][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1970.699073][   T10]      ___sys_sendmsg+0xee/0x170
[ 1970.699073][   T10]      __sys_sendmsg+0xcd/0x170
[ 1970.699073][   T10]      do_syscall_64+0xc6/0x1e0
[ 1970.699073][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1970.699073][   T10] 
[ 1970.701080][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1970.701080][   T10]      netdev_get_by_index+0x5e/0x80
[ 1970.701080][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1970.701080][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1970.701080][   T10]      ip6_route_add+0x1c/0x140
[ 1970.701080][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1970.701080][   T10]      addrconf_add_dev+0xe2/0x170
[ 1970.701080][   T10]      inet6_addr_add+0x12f/0xa40
[ 1970.701080][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1970.701080][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1970.701080][   T10]      netlink_rcv_skb+0x130/0x360
[ 1970.701080][   T10]      netlink_unicast+0x449/0x710
[ 1970.701080][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1970.701080][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1970.701080][   T10]      ___sys_sendmsg+0xee/0x170
[ 1970.701080][   T10]      __sys_sendmsg+0xcd/0x170
[ 1970.701080][   T10]      do_syscall_64+0xc6/0x1e0
[ 1970.701080][   T10] 
[ 1970.703053][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1970.703053][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1970.703053][   T10]      ipv6_find_idev+0x102/0x170
[ 1970.703053][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1970.703053][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1970.703053][   T10]      netlink_rcv_skb+0x130/0x360
[ 1970.703053][   T10]      netlink_unicast+0x449/0x710
[ 1970.703053][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1970.703053][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1970.703053][   T10]      ___sys_sendmsg+0xee/0x170
[ 1970.703053][   T10]      __sys_sendmsg+0xcd/0x170
[ 1970.703053][   T10]      do_syscall_64+0xc6/0x1e0
[ 1970.703053][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1970.703053][   T10] 
[ 1970.704599][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1970.704599][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1970.704599][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1970.704599][   T10]      ipv6_find_idev+0x102/0x170
[ 1970.704599][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1970.704599][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1970.704599][   T10]      netlink_rcv_skb+0x130/0x360
[ 1970.704599][   T10]      netlink_unicast+0x449/0x710
[ 1970.704599][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1970.704599][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1970.704599][   T10]      ___sys_sendmsg+0xee/0x170
[ 1970.704599][   T10]      __sys_sendmsg+0xcd/0x170
[ 1970.704599][   T10]      do_syscall_64+0xc6/0x1e0
[ 1970.704599][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1970.704599][   T10] 
[ 1980.944739][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1980.945129][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1980.945129][   T10]      netdev_get_by_index+0x5e/0x80
[ 1980.945129][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1980.945129][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1980.945129][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1980.945129][   T10]      ipv6_add_addr+0x411/0x2000
[ 1980.945129][   T10]      inet6_addr_add+0x30e/0xa40
[ 1980.945129][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1980.945129][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1980.945129][   T10]      netlink_rcv_skb+0x130/0x360
[ 1980.945129][   T10]      netlink_unicast+0x449/0x710
[ 1980.945129][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1980.945129][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1980.945129][   T10]      ___sys_sendmsg+0xee/0x170
[ 1980.945129][   T10]      __sys_sendmsg+0xcd/0x170
[ 1980.945129][   T10]      do_syscall_64+0xc6/0x1e0
[ 1980.945129][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1980.945129][   T10] 
[ 1980.947164][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1980.947164][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1980.947164][   T10]      ipv6_find_idev+0x102/0x170
[ 1980.947164][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1980.947164][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1980.947164][   T10]      netlink_rcv_skb+0x130/0x360
[ 1980.947164][   T10]      netlink_unicast+0x449/0x710
[ 1980.947164][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1980.947164][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1980.947164][   T10]      ___sys_sendmsg+0xee/0x170
[ 1980.947164][   T10]      __sys_sendmsg+0xcd/0x170
[ 1980.947164][   T10]      do_syscall_64+0xc6/0x1e0
[ 1980.947164][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1980.947164][   T10] 
[ 1980.948716][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1980.948716][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1980.948716][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1980.948716][   T10]      ipv6_find_idev+0x102/0x170
[ 1980.948716][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1980.948716][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1980.948716][   T10]      netlink_rcv_skb+0x130/0x360
[ 1980.948716][   T10]      netlink_unicast+0x449/0x710
[ 1980.948716][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1980.948716][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1980.948716][   T10]      ___sys_sendmsg+0xee/0x170
[ 1980.948716][   T10]      __sys_sendmsg+0xcd/0x170
[ 1980.948716][   T10]      do_syscall_64+0xc6/0x1e0
[ 1980.948716][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1980.948716][   T10] 
[ 1980.950413][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1980.950673][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1980.950673][   T10]      netdev_get_by_index+0x5e/0x80
[ 1980.950673][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1980.950673][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1980.950673][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1980.950673][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1980.950673][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1980.950673][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1980.950673][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1980.950673][   T10]      addrconf_dad_begin+0x310/0x670
[ 1980.950673][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1980.950673][   T10]      process_one_work+0x84d/0x18a0
[ 1980.950673][   T10]      worker_thread+0x587/0xd30
[ 1980.950673][   T10]      kthread+0x28a/0x350
[ 1980.950673][   T10]      ret_from_fork+0x31/0x70
[ 1980.950673][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1980.950673][   T10] 
[ 1980.952561][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1980.952561][   T10]      netdev_get_by_index+0x5e/0x80
[ 1980.952561][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1980.952561][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1980.952561][   T10]      ip6_route_add+0x1c/0x140
[ 1980.952561][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1980.952561][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1980.952561][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1980.952561][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1980.952561][   T10]      netlink_rcv_skb+0x130/0x360
[ 1980.952561][   T10]      netlink_unicast+0x449/0x710
[ 1980.952561][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1980.952561][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1980.952561][   T10]      ___sys_sendmsg+0xee/0x170
[ 1980.952561][   T10]      __sys_sendmsg+0xcd/0x170
[ 1980.952561][   T10]      do_syscall_64+0xc6/0x1e0
[ 1980.952561][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1980.952561][   T10] 
[ 1980.954587][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1980.954587][   T10]      netdev_get_by_index+0x5e/0x80
[ 1980.954587][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1980.954587][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1980.954587][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1980.954587][   T10]      ipv6_add_addr+0x411/0x2000
[ 1980.954587][   T10]      inet6_addr_add+0x30e/0xa40
[ 1980.954587][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1980.954587][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1980.954587][   T10]      netlink_rcv_skb+0x130/0x360
[ 1980.954587][   T10]      netlink_unicast+0x449/0x710
[ 1980.954587][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1980.954587][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1980.954587][   T10]      ___sys_sendmsg+0xee/0x170
[ 1980.954587][   T10]      __sys_sendmsg+0xcd/0x170
[ 1980.954587][   T10]      do_syscall_64+0xc6/0x1e0
[ 1980.954587][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1980.954587][   T10] 
[ 1980.956601][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1980.956601][   T10]      netdev_get_by_index+0x5e/0x80
[ 1980.956601][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1980.956601][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1980.956601][   T10]      ip6_route_add+0x1c/0x140
[ 1980.956601][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1980.956601][   T10]      addrconf_add_dev+0xe2/0x170
[ 1980.956601][   T10]      inet6_addr_add+0x12f/0xa40
[ 1980.956601][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1980.956601][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1980.956601][   T10]      netlink_rcv_skb+0x130/0x360
[ 1980.956601][   T10]      netlink_unicast+0x449/0x710
[ 1980.956601][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1980.956601][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1980.956601][   T10]      ___sys_sendmsg+0xee/0x170
[ 1980.956601][   T10]      __sys_sendmsg+0xcd/0x170
[ 1980.956601][   T10]      do_syscall_64+0xc6/0x1e0
[ 1980.956601][   T10] 
[ 1980.958584][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1980.958584][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1980.958584][   T10]      ipv6_find_idev+0x102/0x170
[ 1980.958584][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1980.958584][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1980.958584][   T10]      netlink_rcv_skb+0x130/0x360
[ 1980.958584][   T10]      netlink_unicast+0x449/0x710
[ 1980.958584][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1980.958584][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1980.958584][   T10]      ___sys_sendmsg+0xee/0x170
[ 1980.958584][   T10]      __sys_sendmsg+0xcd/0x170
[ 1980.958584][   T10]      do_syscall_64+0xc6/0x1e0
[ 1980.958584][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1980.958584][   T10] 
[ 1980.960118][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1980.960118][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1980.960118][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1980.960118][   T10]      ipv6_find_idev+0x102/0x170
[ 1980.960118][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1980.960118][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1980.960118][   T10]      netlink_rcv_skb+0x130/0x360
[ 1980.960118][   T10]      netlink_unicast+0x449/0x710
[ 1980.960118][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1980.960118][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1980.960118][   T10]      ___sys_sendmsg+0xee/0x170
[ 1980.960118][   T10]      __sys_sendmsg+0xcd/0x170
[ 1980.960118][   T10]      do_syscall_64+0xc6/0x1e0
[ 1980.960118][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1980.960118][   T10] 
[ 1991.200743][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 1991.201127][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1991.201127][   T10]      netdev_get_by_index+0x5e/0x80
[ 1991.201127][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1991.201127][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1991.201127][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1991.201127][   T10]      ipv6_add_addr+0x411/0x2000
[ 1991.201127][   T10]      inet6_addr_add+0x30e/0xa40
[ 1991.201127][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1991.201127][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1991.201127][   T10]      netlink_rcv_skb+0x130/0x360
[ 1991.201127][   T10]      netlink_unicast+0x449/0x710
[ 1991.201127][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1991.201127][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1991.201127][   T10]      ___sys_sendmsg+0xee/0x170
[ 1991.201127][   T10]      __sys_sendmsg+0xcd/0x170
[ 1991.201127][   T10]      do_syscall_64+0xc6/0x1e0
[ 1991.201127][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1991.201127][   T10] 
[ 1991.203168][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1991.203168][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1991.203168][   T10]      ipv6_find_idev+0x102/0x170
[ 1991.203168][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1991.203168][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1991.203168][   T10]      netlink_rcv_skb+0x130/0x360
[ 1991.203168][   T10]      netlink_unicast+0x449/0x710
[ 1991.203168][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1991.203168][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1991.203168][   T10]      ___sys_sendmsg+0xee/0x170
[ 1991.203168][   T10]      __sys_sendmsg+0xcd/0x170
[ 1991.203168][   T10]      do_syscall_64+0xc6/0x1e0
[ 1991.203168][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1991.203168][   T10] 
[ 1991.204737][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 1991.204737][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1991.204737][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1991.204737][   T10]      ipv6_find_idev+0x102/0x170
[ 1991.204737][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1991.204737][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1991.204737][   T10]      netlink_rcv_skb+0x130/0x360
[ 1991.204737][   T10]      netlink_unicast+0x449/0x710
[ 1991.204737][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1991.204737][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1991.204737][   T10]      ___sys_sendmsg+0xee/0x170
[ 1991.204737][   T10]      __sys_sendmsg+0xcd/0x170
[ 1991.204737][   T10]      do_syscall_64+0xc6/0x1e0
[ 1991.204737][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1991.204737][   T10] 
[ 1991.206430][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 1991.206689][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1991.206689][   T10]      netdev_get_by_index+0x5e/0x80
[ 1991.206689][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1991.206689][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1991.206689][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1991.206689][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1991.206689][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1991.206689][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1991.206689][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1991.206689][   T10]      addrconf_dad_begin+0x310/0x670
[ 1991.206689][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1991.206689][   T10]      process_one_work+0x84d/0x18a0
[ 1991.206689][   T10]      worker_thread+0x587/0xd30
[ 1991.206689][   T10]      kthread+0x28a/0x350
[ 1991.206689][   T10]      ret_from_fork+0x31/0x70
[ 1991.206689][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1991.206689][   T10] 
[ 1991.208582][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1991.208582][   T10]      netdev_get_by_index+0x5e/0x80
[ 1991.208582][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1991.208582][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1991.208582][   T10]      ip6_route_add+0x1c/0x140
[ 1991.208582][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1991.208582][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1991.208582][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1991.208582][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1991.208582][   T10]      netlink_rcv_skb+0x130/0x360
[ 1991.208582][   T10]      netlink_unicast+0x449/0x710
[ 1991.208582][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1991.208582][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1991.208582][   T10]      ___sys_sendmsg+0xee/0x170
[ 1991.208582][   T10]      __sys_sendmsg+0xcd/0x170
[ 1991.208582][   T10]      do_syscall_64+0xc6/0x1e0
[ 1991.208582][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1991.208582][   T10] 
[ 1991.210588][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1991.210588][   T10]      netdev_get_by_index+0x5e/0x80
[ 1991.210588][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1991.210588][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1991.210588][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1991.210588][   T10]      ipv6_add_addr+0x411/0x2000
[ 1991.210588][   T10]      inet6_addr_add+0x30e/0xa40
[ 1991.210588][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1991.210588][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1991.210588][   T10]      netlink_rcv_skb+0x130/0x360
[ 1991.210588][   T10]      netlink_unicast+0x449/0x710
[ 1991.210588][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1991.210588][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1991.210588][   T10]      ___sys_sendmsg+0xee/0x170
[ 1991.210588][   T10]      __sys_sendmsg+0xcd/0x170
[ 1991.210588][   T10]      do_syscall_64+0xc6/0x1e0
[ 1991.210588][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1991.210588][   T10] 
[ 1991.212590][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1991.212590][   T10]      netdev_get_by_index+0x5e/0x80
[ 1991.212590][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1991.212590][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1991.212590][   T10]      ip6_route_add+0x1c/0x140
[ 1991.212590][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1991.212590][   T10]      addrconf_add_dev+0xe2/0x170
[ 1991.212590][   T10]      inet6_addr_add+0x12f/0xa40
[ 1991.212590][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1991.212590][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1991.212590][   T10]      netlink_rcv_skb+0x130/0x360
[ 1991.212590][   T10]      netlink_unicast+0x449/0x710
[ 1991.212590][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1991.212590][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1991.212590][   T10]      ___sys_sendmsg+0xee/0x170
[ 1991.212590][   T10]      __sys_sendmsg+0xcd/0x170
[ 1991.212590][   T10]      do_syscall_64+0xc6/0x1e0
[ 1991.212590][   T10] 
[ 1991.214569][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1991.214569][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1991.214569][   T10]      ipv6_find_idev+0x102/0x170
[ 1991.214569][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1991.214569][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1991.214569][   T10]      netlink_rcv_skb+0x130/0x360
[ 1991.214569][   T10]      netlink_unicast+0x449/0x710
[ 1991.214569][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1991.214569][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1991.214569][   T10]      ___sys_sendmsg+0xee/0x170
[ 1991.214569][   T10]      __sys_sendmsg+0xcd/0x170
[ 1991.214569][   T10]      do_syscall_64+0xc6/0x1e0
[ 1991.214569][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1991.214569][   T10] 
[ 1991.216131][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 1991.216131][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1991.216131][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1991.216131][   T10]      ipv6_find_idev+0x102/0x170
[ 1991.216131][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1991.216131][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1991.216131][   T10]      netlink_rcv_skb+0x130/0x360
[ 1991.216131][   T10]      netlink_unicast+0x449/0x710
[ 1991.216131][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1991.216131][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1991.216131][   T10]      ___sys_sendmsg+0xee/0x170
[ 1991.216131][   T10]      __sys_sendmsg+0xcd/0x170
[ 1991.216131][   T10]      do_syscall_64+0xc6/0x1e0
[ 1991.216131][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1991.216131][   T10] 
[ 2001.456749][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2001.457130][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2001.457130][   T10]      netdev_get_by_index+0x5e/0x80
[ 2001.457130][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2001.457130][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2001.457130][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2001.457130][   T10]      ipv6_add_addr+0x411/0x2000
[ 2001.457130][   T10]      inet6_addr_add+0x30e/0xa40
[ 2001.457130][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2001.457130][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2001.457130][   T10]      netlink_rcv_skb+0x130/0x360
[ 2001.457130][   T10]      netlink_unicast+0x449/0x710
[ 2001.457130][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2001.457130][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2001.457130][   T10]      ___sys_sendmsg+0xee/0x170
[ 2001.457130][   T10]      __sys_sendmsg+0xcd/0x170
[ 2001.457130][   T10]      do_syscall_64+0xc6/0x1e0
[ 2001.457130][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2001.457130][   T10] 
[ 2001.459189][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2001.459189][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2001.459189][   T10]      ipv6_find_idev+0x102/0x170
[ 2001.459189][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2001.459189][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2001.459189][   T10]      netlink_rcv_skb+0x130/0x360
[ 2001.459189][   T10]      netlink_unicast+0x449/0x710
[ 2001.459189][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2001.459189][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2001.459189][   T10]      ___sys_sendmsg+0xee/0x170
[ 2001.459189][   T10]      __sys_sendmsg+0xcd/0x170
[ 2001.459189][   T10]      do_syscall_64+0xc6/0x1e0
[ 2001.459189][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2001.459189][   T10] 
[ 2001.460738][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2001.460738][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2001.460738][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2001.460738][   T10]      ipv6_find_idev+0x102/0x170
[ 2001.460738][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2001.460738][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2001.460738][   T10]      netlink_rcv_skb+0x130/0x360
[ 2001.460738][   T10]      netlink_unicast+0x449/0x710
[ 2001.460738][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2001.460738][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2001.460738][   T10]      ___sys_sendmsg+0xee/0x170
[ 2001.460738][   T10]      __sys_sendmsg+0xcd/0x170
[ 2001.460738][   T10]      do_syscall_64+0xc6/0x1e0
[ 2001.460738][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2001.460738][   T10] 
[ 2001.462430][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2001.462691][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2001.462691][   T10]      netdev_get_by_index+0x5e/0x80
[ 2001.462691][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2001.462691][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2001.462691][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2001.462691][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2001.462691][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2001.462691][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2001.462691][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2001.462691][   T10]      addrconf_dad_begin+0x310/0x670
[ 2001.462691][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2001.462691][   T10]      process_one_work+0x84d/0x18a0
[ 2001.462691][   T10]      worker_thread+0x587/0xd30
[ 2001.462691][   T10]      kthread+0x28a/0x350
[ 2001.462691][   T10]      ret_from_fork+0x31/0x70
[ 2001.462691][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2001.462691][   T10] 
[ 2001.464594][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2001.464594][   T10]      netdev_get_by_index+0x5e/0x80
[ 2001.464594][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2001.464594][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2001.464594][   T10]      ip6_route_add+0x1c/0x140
[ 2001.464594][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2001.464594][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2001.464594][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2001.464594][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2001.464594][   T10]      netlink_rcv_skb+0x130/0x360
[ 2001.464594][   T10]      netlink_unicast+0x449/0x710
[ 2001.464594][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2001.464594][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2001.464594][   T10]      ___sys_sendmsg+0xee/0x170
[ 2001.464594][   T10]      __sys_sendmsg+0xcd/0x170
[ 2001.464594][   T10]      do_syscall_64+0xc6/0x1e0
[ 2001.464594][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2001.464594][   T10] 
[ 2001.466594][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2001.466594][   T10]      netdev_get_by_index+0x5e/0x80
[ 2001.466594][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2001.466594][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2001.466594][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2001.466594][   T10]      ipv6_add_addr+0x411/0x2000
[ 2001.466594][   T10]      inet6_addr_add+0x30e/0xa40
[ 2001.466594][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2001.466594][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2001.466594][   T10]      netlink_rcv_skb+0x130/0x360
[ 2001.466594][   T10]      netlink_unicast+0x449/0x710
[ 2001.466594][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2001.466594][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2001.466594][   T10]      ___sys_sendmsg+0xee/0x170
[ 2001.466594][   T10]      __sys_sendmsg+0xcd/0x170
[ 2001.466594][   T10]      do_syscall_64+0xc6/0x1e0
[ 2001.466594][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2001.466594][   T10] 
[ 2001.468608][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2001.468608][   T10]      netdev_get_by_index+0x5e/0x80
[ 2001.468608][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2001.468608][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2001.468608][   T10]      ip6_route_add+0x1c/0x140
[ 2001.468608][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2001.468608][   T10]      addrconf_add_dev+0xe2/0x170
[ 2001.468608][   T10]      inet6_addr_add+0x12f/0xa40
[ 2001.468608][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2001.468608][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2001.468608][   T10]      netlink_rcv_skb+0x130/0x360
[ 2001.468608][   T10]      netlink_unicast+0x449/0x710
[ 2001.468608][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2001.468608][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2001.468608][   T10]      ___sys_sendmsg+0xee/0x170
[ 2001.468608][   T10]      __sys_sendmsg+0xcd/0x170
[ 2001.468608][   T10]      do_syscall_64+0xc6/0x1e0
[ 2001.468608][   T10] 
[ 2001.470570][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2001.470570][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2001.470570][   T10]      ipv6_find_idev+0x102/0x170
[ 2001.470570][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2001.470570][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2001.470570][   T10]      netlink_rcv_skb+0x130/0x360
[ 2001.470570][   T10]      netlink_unicast+0x449/0x710
[ 2001.470570][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2001.470570][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2001.470570][   T10]      ___sys_sendmsg+0xee/0x170
[ 2001.470570][   T10]      __sys_sendmsg+0xcd/0x170
[ 2001.470570][   T10]      do_syscall_64+0xc6/0x1e0
[ 2001.470570][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2001.470570][   T10] 
[ 2001.472114][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2001.472114][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2001.472114][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2001.472114][   T10]      ipv6_find_idev+0x102/0x170
[ 2001.472114][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2001.472114][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2001.472114][   T10]      netlink_rcv_skb+0x130/0x360
[ 2001.472114][   T10]      netlink_unicast+0x449/0x710
[ 2001.472114][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2001.472114][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2001.472114][   T10]      ___sys_sendmsg+0xee/0x170
[ 2001.472114][   T10]      __sys_sendmsg+0xcd/0x170
[ 2001.472114][   T10]      do_syscall_64+0xc6/0x1e0
[ 2001.472114][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2001.472114][   T10] 
[ 2011.712752][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2011.713208][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2011.713208][   T10]      netdev_get_by_index+0x5e/0x80
[ 2011.713208][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2011.713208][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2011.713208][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2011.713208][   T10]      ipv6_add_addr+0x411/0x2000
[ 2011.713208][   T10]      inet6_addr_add+0x30e/0xa40
[ 2011.713208][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2011.713208][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2011.713208][   T10]      netlink_rcv_skb+0x130/0x360
[ 2011.713208][   T10]      netlink_unicast+0x449/0x710
[ 2011.713208][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2011.713208][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2011.713208][   T10]      ___sys_sendmsg+0xee/0x170
[ 2011.713208][   T10]      __sys_sendmsg+0xcd/0x170
[ 2011.713208][   T10]      do_syscall_64+0xc6/0x1e0
[ 2011.713208][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2011.713208][   T10] 
[ 2011.715266][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2011.715266][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2011.715266][   T10]      ipv6_find_idev+0x102/0x170
[ 2011.715266][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2011.715266][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2011.715266][   T10]      netlink_rcv_skb+0x130/0x360
[ 2011.715266][   T10]      netlink_unicast+0x449/0x710
[ 2011.715266][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2011.715266][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2011.715266][   T10]      ___sys_sendmsg+0xee/0x170
[ 2011.715266][   T10]      __sys_sendmsg+0xcd/0x170
[ 2011.715266][   T10]      do_syscall_64+0xc6/0x1e0
[ 2011.715266][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2011.715266][   T10] 
[ 2011.716813][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2011.716813][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2011.716813][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2011.716813][   T10]      ipv6_find_idev+0x102/0x170
[ 2011.716813][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2011.716813][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2011.716813][   T10]      netlink_rcv_skb+0x130/0x360
[ 2011.716813][   T10]      netlink_unicast+0x449/0x710
[ 2011.716813][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2011.716813][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2011.716813][   T10]      ___sys_sendmsg+0xee/0x170
[ 2011.716813][   T10]      __sys_sendmsg+0xcd/0x170
[ 2011.716813][   T10]      do_syscall_64+0xc6/0x1e0
[ 2011.716813][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2011.716813][   T10] 
[ 2011.718509][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2011.718784][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2011.718784][   T10]      netdev_get_by_index+0x5e/0x80
[ 2011.718784][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2011.718784][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2011.718784][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2011.718784][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2011.718784][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2011.718784][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2011.718784][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2011.718784][   T10]      addrconf_dad_begin+0x310/0x670
[ 2011.718784][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2011.718784][   T10]      process_one_work+0x84d/0x18a0
[ 2011.718784][   T10]      worker_thread+0x587/0xd30
[ 2011.718784][   T10]      kthread+0x28a/0x350
[ 2011.718784][   T10]      ret_from_fork+0x31/0x70
[ 2011.718784][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2011.718784][   T10] 
[ 2011.720694][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2011.720694][   T10]      netdev_get_by_index+0x5e/0x80
[ 2011.720694][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2011.720694][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2011.720694][   T10]      ip6_route_add+0x1c/0x140
[ 2011.720694][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2011.720694][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2011.720694][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2011.720694][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2011.720694][   T10]      netlink_rcv_skb+0x130/0x360
[ 2011.720694][   T10]      netlink_unicast+0x449/0x710
[ 2011.720694][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2011.720694][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2011.720694][   T10]      ___sys_sendmsg+0xee/0x170
[ 2011.720694][   T10]      __sys_sendmsg+0xcd/0x170
[ 2011.720694][   T10]      do_syscall_64+0xc6/0x1e0
[ 2011.720694][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2011.720694][   T10] 
[ 2011.722709][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2011.722709][   T10]      netdev_get_by_index+0x5e/0x80
[ 2011.722709][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2011.722709][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2011.722709][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2011.722709][   T10]      ipv6_add_addr+0x411/0x2000
[ 2011.722709][   T10]      inet6_addr_add+0x30e/0xa40
[ 2011.722709][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2011.722709][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2011.722709][   T10]      netlink_rcv_skb+0x130/0x360
[ 2011.722709][   T10]      netlink_unicast+0x449/0x710
[ 2011.722709][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2011.722709][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2011.722709][   T10]      ___sys_sendmsg+0xee/0x170
[ 2011.722709][   T10]      __sys_sendmsg+0xcd/0x170
[ 2011.722709][   T10]      do_syscall_64+0xc6/0x1e0
[ 2011.722709][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2011.722709][   T10] 
[ 2011.724713][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2011.724713][   T10]      netdev_get_by_index+0x5e/0x80
[ 2011.724713][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2011.724713][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2011.724713][   T10]      ip6_route_add+0x1c/0x140
[ 2011.724713][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2011.724713][   T10]      addrconf_add_dev+0xe2/0x170
[ 2011.724713][   T10]      inet6_addr_add+0x12f/0xa40
[ 2011.724713][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2011.724713][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2011.724713][   T10]      netlink_rcv_skb+0x130/0x360
[ 2011.724713][   T10]      netlink_unicast+0x449/0x710
[ 2011.724713][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2011.724713][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2011.724713][   T10]      ___sys_sendmsg+0xee/0x170
[ 2011.724713][   T10]      __sys_sendmsg+0xcd/0x170
[ 2011.724713][   T10]      do_syscall_64+0xc6/0x1e0
[ 2011.724713][   T10] 
[ 2011.726669][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2011.726669][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2011.726669][   T10]      ipv6_find_idev+0x102/0x170
[ 2011.726669][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2011.726669][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2011.726669][   T10]      netlink_rcv_skb+0x130/0x360
[ 2011.726669][   T10]      netlink_unicast+0x449/0x710
[ 2011.726669][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2011.726669][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2011.726669][   T10]      ___sys_sendmsg+0xee/0x170
[ 2011.726669][   T10]      __sys_sendmsg+0xcd/0x170
[ 2011.726669][   T10]      do_syscall_64+0xc6/0x1e0
[ 2011.726669][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2011.726669][   T10] 
[ 2011.728202][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2011.728202][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2011.728202][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2011.728202][   T10]      ipv6_find_idev+0x102/0x170
[ 2011.728202][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2011.728202][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2011.728202][   T10]      netlink_rcv_skb+0x130/0x360
[ 2011.728202][   T10]      netlink_unicast+0x449/0x710
[ 2011.728202][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2011.728202][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2011.728202][   T10]      ___sys_sendmsg+0xee/0x170
[ 2011.728202][   T10]      __sys_sendmsg+0xcd/0x170
[ 2011.728202][   T10]      do_syscall_64+0xc6/0x1e0
[ 2011.728202][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2011.728202][   T10] 
[ 2021.968741][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2021.969197][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2021.969197][   T10]      netdev_get_by_index+0x5e/0x80
[ 2021.969197][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2021.969197][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2021.969197][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2021.969197][   T10]      ipv6_add_addr+0x411/0x2000
[ 2021.969197][   T10]      inet6_addr_add+0x30e/0xa40
[ 2021.969197][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2021.969197][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2021.969197][   T10]      netlink_rcv_skb+0x130/0x360
[ 2021.969197][   T10]      netlink_unicast+0x449/0x710
[ 2021.969197][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2021.969197][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2021.969197][   T10]      ___sys_sendmsg+0xee/0x170
[ 2021.969197][   T10]      __sys_sendmsg+0xcd/0x170
[ 2021.969197][   T10]      do_syscall_64+0xc6/0x1e0
[ 2021.969197][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2021.969197][   T10] 
[ 2021.971227][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2021.971227][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2021.971227][   T10]      ipv6_find_idev+0x102/0x170
[ 2021.971227][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2021.971227][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2021.971227][   T10]      netlink_rcv_skb+0x130/0x360
[ 2021.971227][   T10]      netlink_unicast+0x449/0x710
[ 2021.971227][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2021.971227][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2021.971227][   T10]      ___sys_sendmsg+0xee/0x170
[ 2021.971227][   T10]      __sys_sendmsg+0xcd/0x170
[ 2021.971227][   T10]      do_syscall_64+0xc6/0x1e0
[ 2021.971227][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2021.971227][   T10] 
[ 2021.972775][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2021.972775][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2021.972775][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2021.972775][   T10]      ipv6_find_idev+0x102/0x170
[ 2021.972775][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2021.972775][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2021.972775][   T10]      netlink_rcv_skb+0x130/0x360
[ 2021.972775][   T10]      netlink_unicast+0x449/0x710
[ 2021.972775][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2021.972775][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2021.972775][   T10]      ___sys_sendmsg+0xee/0x170
[ 2021.972775][   T10]      __sys_sendmsg+0xcd/0x170
[ 2021.972775][   T10]      do_syscall_64+0xc6/0x1e0
[ 2021.972775][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2021.972775][   T10] 
[ 2021.974464][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2021.974739][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2021.974739][   T10]      netdev_get_by_index+0x5e/0x80
[ 2021.974739][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2021.974739][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2021.974739][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2021.974739][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2021.974739][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2021.974739][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2021.974739][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2021.974739][   T10]      addrconf_dad_begin+0x310/0x670
[ 2021.974739][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2021.974739][   T10]      process_one_work+0x84d/0x18a0
[ 2021.974739][   T10]      worker_thread+0x587/0xd30
[ 2021.974739][   T10]      kthread+0x28a/0x350
[ 2021.974739][   T10]      ret_from_fork+0x31/0x70
[ 2021.974739][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2021.974739][   T10] 
[ 2021.976676][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2021.976676][   T10]      netdev_get_by_index+0x5e/0x80
[ 2021.976676][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2021.976676][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2021.976676][   T10]      ip6_route_add+0x1c/0x140
[ 2021.976676][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2021.976676][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2021.976676][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2021.976676][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2021.976676][   T10]      netlink_rcv_skb+0x130/0x360
[ 2021.976676][   T10]      netlink_unicast+0x449/0x710
[ 2021.976676][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2021.976676][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2021.976676][   T10]      ___sys_sendmsg+0xee/0x170
[ 2021.976676][   T10]      __sys_sendmsg+0xcd/0x170
[ 2021.976676][   T10]      do_syscall_64+0xc6/0x1e0
[ 2021.976676][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2021.976676][   T10] 
[ 2021.978685][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2021.978685][   T10]      netdev_get_by_index+0x5e/0x80
[ 2021.978685][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2021.978685][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2021.978685][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2021.978685][   T10]      ipv6_add_addr+0x411/0x2000
[ 2021.978685][   T10]      inet6_addr_add+0x30e/0xa40
[ 2021.978685][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2021.978685][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2021.978685][   T10]      netlink_rcv_skb+0x130/0x360
[ 2021.978685][   T10]      netlink_unicast+0x449/0x710
[ 2021.978685][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2021.978685][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2021.978685][   T10]      ___sys_sendmsg+0xee/0x170
[ 2021.978685][   T10]      __sys_sendmsg+0xcd/0x170
[ 2021.978685][   T10]      do_syscall_64+0xc6/0x1e0
[ 2021.978685][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2021.978685][   T10] 
[ 2021.980692][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2021.980692][   T10]      netdev_get_by_index+0x5e/0x80
[ 2021.980692][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2021.980692][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2021.980692][   T10]      ip6_route_add+0x1c/0x140
[ 2021.980692][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2021.980692][   T10]      addrconf_add_dev+0xe2/0x170
[ 2021.980692][   T10]      inet6_addr_add+0x12f/0xa40
[ 2021.980692][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2021.980692][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2021.980692][   T10]      netlink_rcv_skb+0x130/0x360
[ 2021.980692][   T10]      netlink_unicast+0x449/0x710
[ 2021.980692][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2021.980692][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2021.980692][   T10]      ___sys_sendmsg+0xee/0x170
[ 2021.980692][   T10]      __sys_sendmsg+0xcd/0x170
[ 2021.980692][   T10]      do_syscall_64+0xc6/0x1e0
[ 2021.980692][   T10] 
[ 2021.982805][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2021.982805][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2021.982805][   T10]      ipv6_find_idev+0x102/0x170
[ 2021.982805][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2021.982805][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2021.982805][   T10]      netlink_rcv_skb+0x130/0x360
[ 2021.982805][   T10]      netlink_unicast+0x449/0x710
[ 2021.982805][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2021.982805][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2021.982805][   T10]      ___sys_sendmsg+0xee/0x170
[ 2021.982805][   T10]      __sys_sendmsg+0xcd/0x170
[ 2021.982805][   T10]      do_syscall_64+0xc6/0x1e0
[ 2021.982805][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2021.982805][   T10] 
[ 2021.987290][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2021.987290][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2021.987290][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2021.987290][   T10]      ipv6_find_idev+0x102/0x170
[ 2021.987290][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2021.987290][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2021.987290][   T10]      netlink_rcv_skb+0x130/0x360
[ 2021.987290][   T10]      netlink_unicast+0x449/0x710
[ 2021.987290][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2021.987290][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2021.987290][   T10]      ___sys_sendmsg+0xee/0x170
[ 2021.987290][   T10]      __sys_sendmsg+0xcd/0x170
[ 2021.987290][   T10]      do_syscall_64+0xc6/0x1e0
[ 2021.987290][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2021.987290][   T10] 
[ 2032.336863][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2032.337322][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2032.337322][   T10]      netdev_get_by_index+0x5e/0x80
[ 2032.337322][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2032.337322][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2032.337322][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2032.337322][   T10]      ipv6_add_addr+0x411/0x2000
[ 2032.337322][   T10]      inet6_addr_add+0x30e/0xa40
[ 2032.337322][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2032.337322][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2032.337322][   T10]      netlink_rcv_skb+0x130/0x360
[ 2032.337322][   T10]      netlink_unicast+0x449/0x710
[ 2032.337322][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2032.337322][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2032.337322][   T10]      ___sys_sendmsg+0xee/0x170
[ 2032.337322][   T10]      __sys_sendmsg+0xcd/0x170
[ 2032.337322][   T10]      do_syscall_64+0xc6/0x1e0
[ 2032.337322][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2032.337322][   T10] 
[ 2032.339394][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2032.339394][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2032.339394][   T10]      ipv6_find_idev+0x102/0x170
[ 2032.339394][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2032.339394][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2032.339394][   T10]      netlink_rcv_skb+0x130/0x360
[ 2032.339394][   T10]      netlink_unicast+0x449/0x710
[ 2032.339394][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2032.339394][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2032.339394][   T10]      ___sys_sendmsg+0xee/0x170
[ 2032.339394][   T10]      __sys_sendmsg+0xcd/0x170
[ 2032.339394][   T10]      do_syscall_64+0xc6/0x1e0
[ 2032.339394][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2032.339394][   T10] 
[ 2032.340955][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2032.340955][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2032.340955][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2032.340955][   T10]      ipv6_find_idev+0x102/0x170
[ 2032.340955][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2032.340955][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2032.340955][   T10]      netlink_rcv_skb+0x130/0x360
[ 2032.340955][   T10]      netlink_unicast+0x449/0x710
[ 2032.340955][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2032.340955][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2032.340955][   T10]      ___sys_sendmsg+0xee/0x170
[ 2032.340955][   T10]      __sys_sendmsg+0xcd/0x170
[ 2032.340955][   T10]      do_syscall_64+0xc6/0x1e0
[ 2032.340955][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2032.340955][   T10] 
[ 2032.342663][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2032.342924][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2032.342924][   T10]      netdev_get_by_index+0x5e/0x80
[ 2032.342924][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2032.342924][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2032.342924][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2032.342924][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2032.342924][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2032.342924][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2032.342924][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2032.342924][   T10]      addrconf_dad_begin+0x310/0x670
[ 2032.342924][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2032.342924][   T10]      process_one_work+0x84d/0x18a0
[ 2032.342924][   T10]      worker_thread+0x587/0xd30
[ 2032.342924][   T10]      kthread+0x28a/0x350
[ 2032.342924][   T10]      ret_from_fork+0x31/0x70
[ 2032.342924][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2032.342924][   T10] 
[ 2032.344850][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2032.344850][   T10]      netdev_get_by_index+0x5e/0x80
[ 2032.344850][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2032.344850][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2032.344850][   T10]      ip6_route_add+0x1c/0x140
[ 2032.344850][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2032.344850][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2032.344850][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2032.344850][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2032.344850][   T10]      netlink_rcv_skb+0x130/0x360
[ 2032.344850][   T10]      netlink_unicast+0x449/0x710
[ 2032.344850][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2032.344850][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2032.344850][   T10]      ___sys_sendmsg+0xee/0x170
[ 2032.344850][   T10]      __sys_sendmsg+0xcd/0x170
[ 2032.344850][   T10]      do_syscall_64+0xc6/0x1e0
[ 2032.344850][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2032.344850][   T10] 
[ 2032.346909][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2032.346909][   T10]      netdev_get_by_index+0x5e/0x80
[ 2032.346909][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2032.346909][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2032.346909][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2032.346909][   T10]      ipv6_add_addr+0x411/0x2000
[ 2032.346909][   T10]      inet6_addr_add+0x30e/0xa40
[ 2032.346909][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2032.346909][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2032.346909][   T10]      netlink_rcv_skb+0x130/0x360
[ 2032.346909][   T10]      netlink_unicast+0x449/0x710
[ 2032.346909][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2032.346909][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2032.346909][   T10]      ___sys_sendmsg+0xee/0x170
[ 2032.346909][   T10]      __sys_sendmsg+0xcd/0x170
[ 2032.346909][   T10]      do_syscall_64+0xc6/0x1e0
[ 2032.346909][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2032.346909][   T10] 
[ 2032.348922][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2032.348922][   T10]      netdev_get_by_index+0x5e/0x80
[ 2032.348922][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2032.348922][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2032.348922][   T10]      ip6_route_add+0x1c/0x140
[ 2032.348922][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2032.348922][   T10]      addrconf_add_dev+0xe2/0x170
[ 2032.348922][   T10]      inet6_addr_add+0x12f/0xa40
[ 2032.348922][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2032.348922][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2032.348922][   T10]      netlink_rcv_skb+0x130/0x360
[ 2032.348922][   T10]      netlink_unicast+0x449/0x710
[ 2032.348922][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2032.348922][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2032.348922][   T10]      ___sys_sendmsg+0xee/0x170
[ 2032.348922][   T10]      __sys_sendmsg+0xcd/0x170
[ 2032.348922][   T10]      do_syscall_64+0xc6/0x1e0
[ 2032.348922][   T10] 
[ 2032.350909][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2032.350909][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2032.350909][   T10]      ipv6_find_idev+0x102/0x170
[ 2032.350909][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2032.350909][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2032.350909][   T10]      netlink_rcv_skb+0x130/0x360
[ 2032.350909][   T10]      netlink_unicast+0x449/0x710
[ 2032.350909][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2032.350909][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2032.350909][   T10]      ___sys_sendmsg+0xee/0x170
[ 2032.350909][   T10]      __sys_sendmsg+0xcd/0x170
[ 2032.350909][   T10]      do_syscall_64+0xc6/0x1e0
[ 2032.350909][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2032.350909][   T10] 
[ 2032.352454][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2032.352454][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2032.352454][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2032.352454][   T10]      ipv6_find_idev+0x102/0x170
[ 2032.352454][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2032.352454][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2032.352454][   T10]      netlink_rcv_skb+0x130/0x360
[ 2032.352454][   T10]      netlink_unicast+0x449/0x710
[ 2032.352454][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2032.352454][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2032.352454][   T10]      ___sys_sendmsg+0xee/0x170
[ 2032.352454][   T10]      __sys_sendmsg+0xcd/0x170
[ 2032.352454][   T10]      do_syscall_64+0xc6/0x1e0
[ 2032.352454][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2032.352454][   T10] 
[ 2042.384749][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2042.385297][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2042.385297][   T10]      netdev_get_by_index+0x5e/0x80
[ 2042.385297][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2042.385297][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2042.385297][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2042.385297][   T10]      ipv6_add_addr+0x411/0x2000
[ 2042.385297][   T10]      inet6_addr_add+0x30e/0xa40
[ 2042.385297][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2042.385297][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2042.385297][   T10]      netlink_rcv_skb+0x130/0x360
[ 2042.385297][   T10]      netlink_unicast+0x449/0x710
[ 2042.385297][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2042.385297][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2042.385297][   T10]      ___sys_sendmsg+0xee/0x170
[ 2042.385297][   T10]      __sys_sendmsg+0xcd/0x170
[ 2042.385297][   T10]      do_syscall_64+0xc6/0x1e0
[ 2042.385297][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2042.385297][   T10] 
[ 2042.387381][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2042.387381][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2042.387381][   T10]      ipv6_find_idev+0x102/0x170
[ 2042.387381][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2042.387381][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2042.387381][   T10]      netlink_rcv_skb+0x130/0x360
[ 2042.387381][   T10]      netlink_unicast+0x449/0x710
[ 2042.387381][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2042.387381][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2042.387381][   T10]      ___sys_sendmsg+0xee/0x170
[ 2042.387381][   T10]      __sys_sendmsg+0xcd/0x170
[ 2042.387381][   T10]      do_syscall_64+0xc6/0x1e0
[ 2042.387381][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2042.387381][   T10] 
[ 2042.388950][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2042.388950][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2042.388950][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2042.388950][   T10]      ipv6_find_idev+0x102/0x170
[ 2042.388950][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2042.388950][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2042.388950][   T10]      netlink_rcv_skb+0x130/0x360
[ 2042.388950][   T10]      netlink_unicast+0x449/0x710
[ 2042.388950][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2042.388950][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2042.388950][   T10]      ___sys_sendmsg+0xee/0x170
[ 2042.388950][   T10]      __sys_sendmsg+0xcd/0x170
[ 2042.388950][   T10]      do_syscall_64+0xc6/0x1e0
[ 2042.388950][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2042.388950][   T10] 
[ 2042.390672][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2042.390931][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2042.390931][   T10]      netdev_get_by_index+0x5e/0x80
[ 2042.390931][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2042.390931][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2042.390931][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2042.390931][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2042.390931][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2042.390931][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2042.390931][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2042.390931][   T10]      addrconf_dad_begin+0x310/0x670
[ 2042.390931][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2042.390931][   T10]      process_one_work+0x84d/0x18a0
[ 2042.390931][   T10]      worker_thread+0x587/0xd30
[ 2042.390931][   T10]      kthread+0x28a/0x350
[ 2042.390931][   T10]      ret_from_fork+0x31/0x70
[ 2042.390931][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2042.390931][   T10] 
[ 2042.392850][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2042.392850][   T10]      netdev_get_by_index+0x5e/0x80
[ 2042.392850][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2042.392850][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2042.392850][   T10]      ip6_route_add+0x1c/0x140
[ 2042.392850][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2042.392850][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2042.392850][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2042.392850][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2042.392850][   T10]      netlink_rcv_skb+0x130/0x360
[ 2042.392850][   T10]      netlink_unicast+0x449/0x710
[ 2042.392850][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2042.392850][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2042.392850][   T10]      ___sys_sendmsg+0xee/0x170
[ 2042.392850][   T10]      __sys_sendmsg+0xcd/0x170
[ 2042.392850][   T10]      do_syscall_64+0xc6/0x1e0
[ 2042.392850][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2042.392850][   T10] 
[ 2042.394874][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2042.394874][   T10]      netdev_get_by_index+0x5e/0x80
[ 2042.394874][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2042.394874][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2042.394874][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2042.394874][   T10]      ipv6_add_addr+0x411/0x2000
[ 2042.394874][   T10]      inet6_addr_add+0x30e/0xa40
[ 2042.394874][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2042.394874][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2042.394874][   T10]      netlink_rcv_skb+0x130/0x360
[ 2042.394874][   T10]      netlink_unicast+0x449/0x710
[ 2042.394874][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2042.394874][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2042.394874][   T10]      ___sys_sendmsg+0xee/0x170
[ 2042.394874][   T10]      __sys_sendmsg+0xcd/0x170
[ 2042.394874][   T10]      do_syscall_64+0xc6/0x1e0
[ 2042.394874][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2042.394874][   T10] 
[ 2042.396906][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2042.396906][   T10]      netdev_get_by_index+0x5e/0x80
[ 2042.396906][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2042.396906][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2042.396906][   T10]      ip6_route_add+0x1c/0x140
[ 2042.396906][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2042.396906][   T10]      addrconf_add_dev+0xe2/0x170
[ 2042.396906][   T10]      inet6_addr_add+0x12f/0xa40
[ 2042.396906][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2042.396906][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2042.396906][   T10]      netlink_rcv_skb+0x130/0x360
[ 2042.396906][   T10]      netlink_unicast+0x449/0x710
[ 2042.396906][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2042.396906][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2042.396906][   T10]      ___sys_sendmsg+0xee/0x170
[ 2042.396906][   T10]      __sys_sendmsg+0xcd/0x170
[ 2042.396906][   T10]      do_syscall_64+0xc6/0x1e0
[ 2042.396906][   T10] 
[ 2042.398889][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2042.398889][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2042.398889][   T10]      ipv6_find_idev+0x102/0x170
[ 2042.398889][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2042.398889][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2042.398889][   T10]      netlink_rcv_skb+0x130/0x360
[ 2042.398889][   T10]      netlink_unicast+0x449/0x710
[ 2042.398889][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2042.398889][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2042.398889][   T10]      ___sys_sendmsg+0xee/0x170
[ 2042.398889][   T10]      __sys_sendmsg+0xcd/0x170
[ 2042.398889][   T10]      do_syscall_64+0xc6/0x1e0
[ 2042.398889][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2042.398889][   T10] 
[ 2042.400454][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2042.400454][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2042.400454][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2042.400454][   T10]      ipv6_find_idev+0x102/0x170
[ 2042.400454][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2042.400454][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2042.400454][   T10]      netlink_rcv_skb+0x130/0x360
[ 2042.400454][   T10]      netlink_unicast+0x449/0x710
[ 2042.400454][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2042.400454][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2042.400454][   T10]      ___sys_sendmsg+0xee/0x170
[ 2042.400454][   T10]      __sys_sendmsg+0xcd/0x170
[ 2042.400454][   T10]      do_syscall_64+0xc6/0x1e0
[ 2042.400454][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2042.400454][   T10] 
[ 2052.464750][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2052.465196][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2052.465196][   T10]      netdev_get_by_index+0x5e/0x80
[ 2052.465196][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2052.465196][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2052.465196][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2052.465196][   T10]      ipv6_add_addr+0x411/0x2000
[ 2052.465196][   T10]      inet6_addr_add+0x30e/0xa40
[ 2052.465196][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2052.465196][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2052.465196][   T10]      netlink_rcv_skb+0x130/0x360
[ 2052.465196][   T10]      netlink_unicast+0x449/0x710
[ 2052.465196][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2052.465196][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2052.465196][   T10]      ___sys_sendmsg+0xee/0x170
[ 2052.465196][   T10]      __sys_sendmsg+0xcd/0x170
[ 2052.465196][   T10]      do_syscall_64+0xc6/0x1e0
[ 2052.465196][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2052.465196][   T10] 
[ 2052.467274][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2052.467274][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2052.467274][   T10]      ipv6_find_idev+0x102/0x170
[ 2052.467274][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2052.467274][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2052.467274][   T10]      netlink_rcv_skb+0x130/0x360
[ 2052.467274][   T10]      netlink_unicast+0x449/0x710
[ 2052.467274][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2052.467274][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2052.467274][   T10]      ___sys_sendmsg+0xee/0x170
[ 2052.467274][   T10]      __sys_sendmsg+0xcd/0x170
[ 2052.467274][   T10]      do_syscall_64+0xc6/0x1e0
[ 2052.467274][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2052.467274][   T10] 
[ 2052.468830][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2052.468830][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2052.468830][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2052.468830][   T10]      ipv6_find_idev+0x102/0x170
[ 2052.468830][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2052.468830][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2052.468830][   T10]      netlink_rcv_skb+0x130/0x360
[ 2052.468830][   T10]      netlink_unicast+0x449/0x710
[ 2052.468830][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2052.468830][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2052.468830][   T10]      ___sys_sendmsg+0xee/0x170
[ 2052.468830][   T10]      __sys_sendmsg+0xcd/0x170
[ 2052.468830][   T10]      do_syscall_64+0xc6/0x1e0
[ 2052.468830][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2052.468830][   T10] 
[ 2052.470530][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2052.470808][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2052.470808][   T10]      netdev_get_by_index+0x5e/0x80
[ 2052.470808][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2052.470808][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2052.470808][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2052.470808][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2052.470808][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2052.470808][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2052.470808][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2052.470808][   T10]      addrconf_dad_begin+0x310/0x670
[ 2052.470808][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2052.470808][   T10]      process_one_work+0x84d/0x18a0
[ 2052.470808][   T10]      worker_thread+0x587/0xd30
[ 2052.470808][   T10]      kthread+0x28a/0x350
[ 2052.470808][   T10]      ret_from_fork+0x31/0x70
[ 2052.470808][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2052.470808][   T10] 
[ 2052.472737][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2052.472737][   T10]      netdev_get_by_index+0x5e/0x80
[ 2052.472737][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2052.472737][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2052.472737][   T10]      ip6_route_add+0x1c/0x140
[ 2052.472737][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2052.472737][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2052.472737][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2052.472737][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2052.472737][   T10]      netlink_rcv_skb+0x130/0x360
[ 2052.472737][   T10]      netlink_unicast+0x449/0x710
[ 2052.472737][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2052.472737][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2052.472737][   T10]      ___sys_sendmsg+0xee/0x170
[ 2052.472737][   T10]      __sys_sendmsg+0xcd/0x170
[ 2052.472737][   T10]      do_syscall_64+0xc6/0x1e0
[ 2052.472737][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2052.472737][   T10] 
[ 2052.474769][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2052.474769][   T10]      netdev_get_by_index+0x5e/0x80
[ 2052.474769][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2052.474769][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2052.474769][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2052.474769][   T10]      ipv6_add_addr+0x411/0x2000
[ 2052.474769][   T10]      inet6_addr_add+0x30e/0xa40
[ 2052.474769][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2052.474769][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2052.474769][   T10]      netlink_rcv_skb+0x130/0x360
[ 2052.474769][   T10]      netlink_unicast+0x449/0x710
[ 2052.474769][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2052.474769][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2052.474769][   T10]      ___sys_sendmsg+0xee/0x170
[ 2052.474769][   T10]      __sys_sendmsg+0xcd/0x170
[ 2052.474769][   T10]      do_syscall_64+0xc6/0x1e0
[ 2052.474769][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2052.474769][   T10] 
[ 2052.476796][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2052.476796][   T10]      netdev_get_by_index+0x5e/0x80
[ 2052.476796][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2052.476796][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2052.476796][   T10]      ip6_route_add+0x1c/0x140
[ 2052.476796][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2052.476796][   T10]      addrconf_add_dev+0xe2/0x170
[ 2052.476796][   T10]      inet6_addr_add+0x12f/0xa40
[ 2052.476796][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2052.476796][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2052.476796][   T10]      netlink_rcv_skb+0x130/0x360
[ 2052.476796][   T10]      netlink_unicast+0x449/0x710
[ 2052.476796][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2052.476796][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2052.476796][   T10]      ___sys_sendmsg+0xee/0x170
[ 2052.476796][   T10]      __sys_sendmsg+0xcd/0x170
[ 2052.476796][   T10]      do_syscall_64+0xc6/0x1e0
[ 2052.476796][   T10] 
[ 2052.478786][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2052.478786][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2052.478786][   T10]      ipv6_find_idev+0x102/0x170
[ 2052.478786][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2052.478786][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2052.478786][   T10]      netlink_rcv_skb+0x130/0x360
[ 2052.478786][   T10]      netlink_unicast+0x449/0x710
[ 2052.478786][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2052.478786][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2052.478786][   T10]      ___sys_sendmsg+0xee/0x170
[ 2052.478786][   T10]      __sys_sendmsg+0xcd/0x170
[ 2052.478786][   T10]      do_syscall_64+0xc6/0x1e0
[ 2052.478786][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2052.478786][   T10] 
[ 2052.480351][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2052.480351][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2052.480351][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2052.480351][   T10]      ipv6_find_idev+0x102/0x170
[ 2052.480351][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2052.480351][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2052.480351][   T10]      netlink_rcv_skb+0x130/0x360
[ 2052.480351][   T10]      netlink_unicast+0x449/0x710
[ 2052.480351][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2052.480351][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2052.480351][   T10]      ___sys_sendmsg+0xee/0x170
[ 2052.480351][   T10]      __sys_sendmsg+0xcd/0x170
[ 2052.480351][   T10]      do_syscall_64+0xc6/0x1e0
[ 2052.480351][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2052.480351][   T10] 
[ 2062.720690][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2062.721167][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2062.721167][   T10]      netdev_get_by_index+0x5e/0x80
[ 2062.721167][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2062.721167][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2062.721167][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2062.721167][   T10]      ipv6_add_addr+0x411/0x2000
[ 2062.721167][   T10]      inet6_addr_add+0x30e/0xa40
[ 2062.721167][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2062.721167][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2062.721167][   T10]      netlink_rcv_skb+0x130/0x360
[ 2062.721167][   T10]      netlink_unicast+0x449/0x710
[ 2062.721167][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2062.721167][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2062.721167][   T10]      ___sys_sendmsg+0xee/0x170
[ 2062.721167][   T10]      __sys_sendmsg+0xcd/0x170
[ 2062.721167][   T10]      do_syscall_64+0xc6/0x1e0
[ 2062.721167][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2062.721167][   T10] 
[ 2062.723198][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2062.723198][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2062.723198][   T10]      ipv6_find_idev+0x102/0x170
[ 2062.723198][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2062.723198][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2062.723198][   T10]      netlink_rcv_skb+0x130/0x360
[ 2062.723198][   T10]      netlink_unicast+0x449/0x710
[ 2062.723198][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2062.723198][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2062.723198][   T10]      ___sys_sendmsg+0xee/0x170
[ 2062.723198][   T10]      __sys_sendmsg+0xcd/0x170
[ 2062.723198][   T10]      do_syscall_64+0xc6/0x1e0
[ 2062.723198][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2062.723198][   T10] 
[ 2062.724761][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2062.724761][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2062.724761][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2062.724761][   T10]      ipv6_find_idev+0x102/0x170
[ 2062.724761][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2062.724761][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2062.724761][   T10]      netlink_rcv_skb+0x130/0x360
[ 2062.724761][   T10]      netlink_unicast+0x449/0x710
[ 2062.724761][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2062.724761][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2062.724761][   T10]      ___sys_sendmsg+0xee/0x170
[ 2062.724761][   T10]      __sys_sendmsg+0xcd/0x170
[ 2062.724761][   T10]      do_syscall_64+0xc6/0x1e0
[ 2062.724761][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2062.724761][   T10] 
[ 2062.726461][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2062.726737][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2062.726737][   T10]      netdev_get_by_index+0x5e/0x80
[ 2062.726737][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2062.726737][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2062.726737][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2062.726737][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2062.726737][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2062.726737][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2062.726737][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2062.726737][   T10]      addrconf_dad_begin+0x310/0x670
[ 2062.726737][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2062.726737][   T10]      process_one_work+0x84d/0x18a0
[ 2062.726737][   T10]      worker_thread+0x587/0xd30
[ 2062.726737][   T10]      kthread+0x28a/0x350
[ 2062.726737][   T10]      ret_from_fork+0x31/0x70
[ 2062.726737][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2062.726737][   T10] 
[ 2062.728630][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2062.728630][   T10]      netdev_get_by_index+0x5e/0x80
[ 2062.728630][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2062.728630][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2062.728630][   T10]      ip6_route_add+0x1c/0x140
[ 2062.728630][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2062.728630][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2062.728630][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2062.728630][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2062.728630][   T10]      netlink_rcv_skb+0x130/0x360
[ 2062.728630][   T10]      netlink_unicast+0x449/0x710
[ 2062.728630][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2062.728630][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2062.728630][   T10]      ___sys_sendmsg+0xee/0x170
[ 2062.728630][   T10]      __sys_sendmsg+0xcd/0x170
[ 2062.728630][   T10]      do_syscall_64+0xc6/0x1e0
[ 2062.728630][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2062.728630][   T10] 
[ 2062.730659][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2062.730659][   T10]      netdev_get_by_index+0x5e/0x80
[ 2062.730659][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2062.730659][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2062.730659][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2062.730659][   T10]      ipv6_add_addr+0x411/0x2000
[ 2062.730659][   T10]      inet6_addr_add+0x30e/0xa40
[ 2062.730659][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2062.730659][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2062.730659][   T10]      netlink_rcv_skb+0x130/0x360
[ 2062.730659][   T10]      netlink_unicast+0x449/0x710
[ 2062.730659][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2062.730659][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2062.730659][   T10]      ___sys_sendmsg+0xee/0x170
[ 2062.730659][   T10]      __sys_sendmsg+0xcd/0x170
[ 2062.730659][   T10]      do_syscall_64+0xc6/0x1e0
[ 2062.730659][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2062.730659][   T10] 
[ 2062.732674][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2062.732674][   T10]      netdev_get_by_index+0x5e/0x80
[ 2062.732674][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2062.732674][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2062.732674][   T10]      ip6_route_add+0x1c/0x140
[ 2062.732674][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2062.732674][   T10]      addrconf_add_dev+0xe2/0x170
[ 2062.732674][   T10]      inet6_addr_add+0x12f/0xa40
[ 2062.732674][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2062.732674][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2062.732674][   T10]      netlink_rcv_skb+0x130/0x360
[ 2062.732674][   T10]      netlink_unicast+0x449/0x710
[ 2062.732674][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2062.732674][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2062.732674][   T10]      ___sys_sendmsg+0xee/0x170
[ 2062.732674][   T10]      __sys_sendmsg+0xcd/0x170
[ 2062.732674][   T10]      do_syscall_64+0xc6/0x1e0
[ 2062.732674][   T10] 
[ 2062.734687][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2062.734687][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2062.734687][   T10]      ipv6_find_idev+0x102/0x170
[ 2062.734687][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2062.734687][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2062.734687][   T10]      netlink_rcv_skb+0x130/0x360
[ 2062.734687][   T10]      netlink_unicast+0x449/0x710
[ 2062.734687][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2062.734687][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2062.734687][   T10]      ___sys_sendmsg+0xee/0x170
[ 2062.734687][   T10]      __sys_sendmsg+0xcd/0x170
[ 2062.734687][   T10]      do_syscall_64+0xc6/0x1e0
[ 2062.734687][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2062.734687][   T10] 
[ 2062.736255][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2062.736255][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2062.736255][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2062.736255][   T10]      ipv6_find_idev+0x102/0x170
[ 2062.736255][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2062.736255][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2062.736255][   T10]      netlink_rcv_skb+0x130/0x360
[ 2062.736255][   T10]      netlink_unicast+0x449/0x710
[ 2062.736255][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2062.736255][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2062.736255][   T10]      ___sys_sendmsg+0xee/0x170
[ 2062.736255][   T10]      __sys_sendmsg+0xcd/0x170
[ 2062.736255][   T10]      do_syscall_64+0xc6/0x1e0
[ 2062.736255][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2062.736255][   T10] 
[ 2072.976744][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2072.977190][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2072.977190][   T10]      netdev_get_by_index+0x5e/0x80
[ 2072.977190][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2072.977190][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2072.977190][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2072.977190][   T10]      ipv6_add_addr+0x411/0x2000
[ 2072.977190][   T10]      inet6_addr_add+0x30e/0xa40
[ 2072.977190][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2072.977190][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2072.977190][   T10]      netlink_rcv_skb+0x130/0x360
[ 2072.977190][   T10]      netlink_unicast+0x449/0x710
[ 2072.977190][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2072.977190][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2072.977190][   T10]      ___sys_sendmsg+0xee/0x170
[ 2072.977190][   T10]      __sys_sendmsg+0xcd/0x170
[ 2072.977190][   T10]      do_syscall_64+0xc6/0x1e0
[ 2072.977190][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2072.977190][   T10] 
[ 2072.979271][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2072.979271][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2072.979271][   T10]      ipv6_find_idev+0x102/0x170
[ 2072.979271][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2072.979271][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2072.979271][   T10]      netlink_rcv_skb+0x130/0x360
[ 2072.979271][   T10]      netlink_unicast+0x449/0x710
[ 2072.979271][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2072.979271][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2072.979271][   T10]      ___sys_sendmsg+0xee/0x170
[ 2072.979271][   T10]      __sys_sendmsg+0xcd/0x170
[ 2072.979271][   T10]      do_syscall_64+0xc6/0x1e0
[ 2072.979271][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2072.979271][   T10] 
[ 2072.980840][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2072.980840][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2072.980840][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2072.980840][   T10]      ipv6_find_idev+0x102/0x170
[ 2072.980840][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2072.980840][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2072.980840][   T10]      netlink_rcv_skb+0x130/0x360
[ 2072.980840][   T10]      netlink_unicast+0x449/0x710
[ 2072.980840][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2072.980840][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2072.980840][   T10]      ___sys_sendmsg+0xee/0x170
[ 2072.980840][   T10]      __sys_sendmsg+0xcd/0x170
[ 2072.980840][   T10]      do_syscall_64+0xc6/0x1e0
[ 2072.980840][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2072.980840][   T10] 
[ 2072.982572][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2072.982851][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2072.982851][   T10]      netdev_get_by_index+0x5e/0x80
[ 2072.982851][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2072.982851][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2072.982851][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2072.982851][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2072.982851][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2072.982851][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2072.982851][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2072.982851][   T10]      addrconf_dad_begin+0x310/0x670
[ 2072.982851][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2072.982851][   T10]      process_one_work+0x84d/0x18a0
[ 2072.982851][   T10]      worker_thread+0x587/0xd30
[ 2072.982851][   T10]      kthread+0x28a/0x350
[ 2072.982851][   T10]      ret_from_fork+0x31/0x70
[ 2072.982851][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2072.982851][   T10] 
[ 2072.984765][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2072.984765][   T10]      netdev_get_by_index+0x5e/0x80
[ 2072.984765][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2072.984765][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2072.984765][   T10]      ip6_route_add+0x1c/0x140
[ 2072.984765][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2072.984765][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2072.984765][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2072.984765][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2072.984765][   T10]      netlink_rcv_skb+0x130/0x360
[ 2072.984765][   T10]      netlink_unicast+0x449/0x710
[ 2072.984765][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2072.984765][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2072.984765][   T10]      ___sys_sendmsg+0xee/0x170
[ 2072.984765][   T10]      __sys_sendmsg+0xcd/0x170
[ 2072.984765][   T10]      do_syscall_64+0xc6/0x1e0
[ 2072.984765][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2072.984765][   T10] 
[ 2072.986783][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2072.986783][   T10]      netdev_get_by_index+0x5e/0x80
[ 2072.986783][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2072.986783][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2072.986783][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2072.986783][   T10]      ipv6_add_addr+0x411/0x2000
[ 2072.986783][   T10]      inet6_addr_add+0x30e/0xa40
[ 2072.986783][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2072.986783][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2072.986783][   T10]      netlink_rcv_skb+0x130/0x360
[ 2072.986783][   T10]      netlink_unicast+0x449/0x710
[ 2072.986783][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2072.986783][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2072.986783][   T10]      ___sys_sendmsg+0xee/0x170
[ 2072.986783][   T10]      __sys_sendmsg+0xcd/0x170
[ 2072.986783][   T10]      do_syscall_64+0xc6/0x1e0
[ 2072.986783][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2072.986783][   T10] 
[ 2072.988794][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2072.988794][   T10]      netdev_get_by_index+0x5e/0x80
[ 2072.988794][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2072.988794][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2072.988794][   T10]      ip6_route_add+0x1c/0x140
[ 2072.988794][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2072.988794][   T10]      addrconf_add_dev+0xe2/0x170
[ 2072.988794][   T10]      inet6_addr_add+0x12f/0xa40
[ 2072.988794][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2072.988794][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2072.988794][   T10]      netlink_rcv_skb+0x130/0x360
[ 2072.988794][   T10]      netlink_unicast+0x449/0x710
[ 2072.988794][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2072.988794][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2072.988794][   T10]      ___sys_sendmsg+0xee/0x170
[ 2072.988794][   T10]      __sys_sendmsg+0xcd/0x170
[ 2072.988794][   T10]      do_syscall_64+0xc6/0x1e0
[ 2072.988794][   T10] 
[ 2072.990793][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2072.990793][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2072.990793][   T10]      ipv6_find_idev+0x102/0x170
[ 2072.990793][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2072.990793][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2072.990793][   T10]      netlink_rcv_skb+0x130/0x360
[ 2072.990793][   T10]      netlink_unicast+0x449/0x710
[ 2072.990793][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2072.990793][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2072.990793][   T10]      ___sys_sendmsg+0xee/0x170
[ 2072.990793][   T10]      __sys_sendmsg+0xcd/0x170
[ 2072.990793][   T10]      do_syscall_64+0xc6/0x1e0
[ 2072.990793][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2072.990793][   T10] 
[ 2072.992347][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2072.992347][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2072.992347][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2072.992347][   T10]      ipv6_find_idev+0x102/0x170
[ 2072.992347][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2072.992347][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2072.992347][   T10]      netlink_rcv_skb+0x130/0x360
[ 2072.992347][   T10]      netlink_unicast+0x449/0x710
[ 2072.992347][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2072.992347][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2072.992347][   T10]      ___sys_sendmsg+0xee/0x170
[ 2072.992347][   T10]      __sys_sendmsg+0xcd/0x170
[ 2072.992347][   T10]      do_syscall_64+0xc6/0x1e0
[ 2072.992347][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2072.992347][   T10] 
[ 2083.232743][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2083.233233][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2083.233233][   T10]      netdev_get_by_index+0x5e/0x80
[ 2083.233233][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2083.233233][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2083.233233][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2083.233233][   T10]      ipv6_add_addr+0x411/0x2000
[ 2083.233233][   T10]      inet6_addr_add+0x30e/0xa40
[ 2083.233233][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2083.233233][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2083.233233][   T10]      netlink_rcv_skb+0x130/0x360
[ 2083.233233][   T10]      netlink_unicast+0x449/0x710
[ 2083.233233][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2083.233233][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2083.233233][   T10]      ___sys_sendmsg+0xee/0x170
[ 2083.233233][   T10]      __sys_sendmsg+0xcd/0x170
[ 2083.233233][   T10]      do_syscall_64+0xc6/0x1e0
[ 2083.233233][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2083.233233][   T10] 
[ 2083.235346][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2083.235346][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2083.235346][   T10]      ipv6_find_idev+0x102/0x170
[ 2083.235346][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2083.235346][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2083.235346][   T10]      netlink_rcv_skb+0x130/0x360
[ 2083.235346][   T10]      netlink_unicast+0x449/0x710
[ 2083.235346][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2083.235346][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2083.235346][   T10]      ___sys_sendmsg+0xee/0x170
[ 2083.235346][   T10]      __sys_sendmsg+0xcd/0x170
[ 2083.235346][   T10]      do_syscall_64+0xc6/0x1e0
[ 2083.235346][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2083.235346][   T10] 
[ 2083.236942][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2083.236942][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2083.236942][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2083.236942][   T10]      ipv6_find_idev+0x102/0x170
[ 2083.236942][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2083.236942][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2083.236942][   T10]      netlink_rcv_skb+0x130/0x360
[ 2083.236942][   T10]      netlink_unicast+0x449/0x710
[ 2083.236942][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2083.236942][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2083.236942][   T10]      ___sys_sendmsg+0xee/0x170
[ 2083.236942][   T10]      __sys_sendmsg+0xcd/0x170
[ 2083.236942][   T10]      do_syscall_64+0xc6/0x1e0
[ 2083.236942][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2083.236942][   T10] 
[ 2083.238682][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2083.238944][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2083.238944][   T10]      netdev_get_by_index+0x5e/0x80
[ 2083.238944][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2083.238944][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2083.238944][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2083.238944][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2083.238944][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2083.238944][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2083.238944][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2083.238944][   T10]      addrconf_dad_begin+0x310/0x670
[ 2083.238944][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2083.238944][   T10]      process_one_work+0x84d/0x18a0
[ 2083.238944][   T10]      worker_thread+0x587/0xd30
[ 2083.238944][   T10]      kthread+0x28a/0x350
[ 2083.238944][   T10]      ret_from_fork+0x31/0x70
[ 2083.238944][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2083.238944][   T10] 
[ 2083.240878][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2083.240878][   T10]      netdev_get_by_index+0x5e/0x80
[ 2083.240878][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2083.240878][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2083.240878][   T10]      ip6_route_add+0x1c/0x140
[ 2083.240878][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2083.240878][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2083.240878][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2083.240878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2083.240878][   T10]      netlink_rcv_skb+0x130/0x360
[ 2083.240878][   T10]      netlink_unicast+0x449/0x710
[ 2083.240878][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2083.240878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2083.240878][   T10]      ___sys_sendmsg+0xee/0x170
[ 2083.240878][   T10]      __sys_sendmsg+0xcd/0x170
[ 2083.240878][   T10]      do_syscall_64+0xc6/0x1e0
[ 2083.240878][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2083.240878][   T10] 
[ 2083.242919][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2083.242919][   T10]      netdev_get_by_index+0x5e/0x80
[ 2083.242919][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2083.242919][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2083.242919][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2083.242919][   T10]      ipv6_add_addr+0x411/0x2000
[ 2083.242919][   T10]      inet6_addr_add+0x30e/0xa40
[ 2083.242919][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2083.242919][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2083.242919][   T10]      netlink_rcv_skb+0x130/0x360
[ 2083.242919][   T10]      netlink_unicast+0x449/0x710
[ 2083.242919][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2083.242919][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2083.242919][   T10]      ___sys_sendmsg+0xee/0x170
[ 2083.242919][   T10]      __sys_sendmsg+0xcd/0x170
[ 2083.242919][   T10]      do_syscall_64+0xc6/0x1e0
[ 2083.242919][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2083.242919][   T10] 
[ 2083.244985][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2083.244985][   T10]      netdev_get_by_index+0x5e/0x80
[ 2083.244985][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2083.244985][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2083.244985][   T10]      ip6_route_add+0x1c/0x140
[ 2083.244985][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2083.244985][   T10]      addrconf_add_dev+0xe2/0x170
[ 2083.244985][   T10]      inet6_addr_add+0x12f/0xa40
[ 2083.244985][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2083.244985][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2083.244985][   T10]      netlink_rcv_skb+0x130/0x360
[ 2083.244985][   T10]      netlink_unicast+0x449/0x710
[ 2083.244985][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2083.244985][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2083.244985][   T10]      ___sys_sendmsg+0xee/0x170
[ 2083.244985][   T10]      __sys_sendmsg+0xcd/0x170
[ 2083.244985][   T10]      do_syscall_64+0xc6/0x1e0
[ 2083.244985][   T10] 
[ 2083.246995][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2083.246995][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2083.246995][   T10]      ipv6_find_idev+0x102/0x170
[ 2083.246995][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2083.246995][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2083.246995][   T10]      netlink_rcv_skb+0x130/0x360
[ 2083.246995][   T10]      netlink_unicast+0x449/0x710
[ 2083.246995][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2083.246995][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2083.246995][   T10]      ___sys_sendmsg+0xee/0x170
[ 2083.246995][   T10]      __sys_sendmsg+0xcd/0x170
[ 2083.246995][   T10]      do_syscall_64+0xc6/0x1e0
[ 2083.246995][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2083.246995][   T10] 
[ 2083.248572][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2083.248572][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2083.248572][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2083.248572][   T10]      ipv6_find_idev+0x102/0x170
[ 2083.248572][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2083.248572][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2083.248572][   T10]      netlink_rcv_skb+0x130/0x360
[ 2083.248572][   T10]      netlink_unicast+0x449/0x710
[ 2083.248572][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2083.248572][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2083.248572][   T10]      ___sys_sendmsg+0xee/0x170
[ 2083.248572][   T10]      __sys_sendmsg+0xcd/0x170
[ 2083.248572][   T10]      do_syscall_64+0xc6/0x1e0
[ 2083.248572][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2083.248572][   T10] 
[ 2090.280762][   T42] INFO: task modprobe:8169 blocked for more than 983 seconds.
[ 2090.281103][   T42]       Not tainted 6.8.0-virtme #1
[ 2090.281224][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 2090.281454][   T42] task:modprobe        state:D stack:25648 pid:8169  tgid:8169  ppid:39     flags:0x00004002
[ 2090.281743][   T42] Call Trace:
[ 2090.281838][   T42]  <TASK>
[ 2090.281909][   T42]  __schedule+0x705/0x1ac0
[ 2090.282047][   T42]  ? __pfx___schedule+0x10/0x10
[ 2090.282172][   T42]  ? schedule+0x1a5/0x210
[ 2090.282269][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2090.282408][   T42]  ? mark_lock+0x38/0x3e0
[ 2090.282512][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 2090.282655][   T42]  ? schedule+0x1a5/0x210
[ 2090.282756][   T42]  schedule+0xdf/0x210
[ 2090.282853][   T42]  schedule_preempt_disabled+0x15/0x30
[ 2090.282976][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[ 2090.283109][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 2090.283272][   T42]  ? kasan_save_stack+0x34/0x50
[ 2090.283419][   T42]  ? kasan_save_stack+0x24/0x50
[ 2090.283550][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2090.283691][   T42]  ? lock_acquire+0x1c1/0x220
[ 2090.283815][   T42]  ? register_pernet_subsys+0x1a/0x50
[ 2090.283948][   T42]  down_write+0x1c9/0x200
[ 2090.284044][   T42]  ? __pfx_down_write+0x10/0x10
[ 2090.284178][   T42]  ? __pfx___lock_release+0x10/0x10
[ 2090.284310][   T42]  ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables]
[ 2090.284515][   T42]  register_pernet_subsys+0x1a/0x50
[ 2090.284649][   T42]  nf_tables_module_init+0x17/0x100 [nf_tables]
[ 2090.284834][   T42]  do_one_initcall+0xc8/0x3f0
[ 2090.284961][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[ 2090.285102][   T42]  ? __create_object+0x5e/0xb0
[ 2090.285230][   T42]  ? kasan_unpoison+0x27/0x60
[ 2090.285360][   T42]  do_init_module+0x233/0x740
[ 2090.285497][   T42]  load_module+0x16b5/0x2350
[ 2090.285663][   T42]  ? __pfx_load_module+0x10/0x10
[ 2090.285788][   T42]  ? kernel_read_file+0x3d2/0x520
[ 2090.285929][   T42]  ? kernel_read_file+0x300/0x520
[ 2090.286059][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[ 2090.286189][   T42]  ? init_module_from_file+0xd2/0x130
[ 2090.286313][   T42]  init_module_from_file+0xd2/0x130
[ 2090.286437][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[ 2090.286593][   T42]  ? __lock_release+0x103/0x460
[ 2090.286740][   T42]  ? idempotent_init_module+0x32a/0x620
[ 2090.286876][   T42]  ? idempotent_init_module+0x32a/0x620
[ 2090.286999][   T42]  ? do_raw_spin_unlock+0x58/0x220
[ 2090.287130][   T42]  idempotent_init_module+0x342/0x620
[ 2090.287257][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 2090.287429][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 2090.287564][   T42]  do_syscall_64+0xc6/0x1e0
[ 2090.287705][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2090.287868][   T42] RIP: 0033:0x7f8894ecfe5d
[ 2090.287995][   T42] RSP: 002b:00007ffc02fe9148 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 2090.288182][   T42] RAX: ffffffffffffffda RBX: 0000561734795e90 RCX: 00007f8894ecfe5d
[ 2090.288380][   T42] RDX: 0000000000000000 RSI: 000056171fd7ca2a RDI: 0000000000000001
[ 2090.288562][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00005617347964f0
[ 2090.288762][   T42] R10: 0000000000000001 R11: 0000000000000246 R12: 000056171fd7ca2a
[ 2090.288943][   T42] R13: 0000561734795e40 R14: 0000561734796570 R15: 0000000000000000
[ 2090.289148][   T42]  </TASK>
[ 2090.289242][   T42] 
[ 2090.289242][   T42] Showing all locks held in the system:
[ 2090.289420][   T42] 3 locks held by kworker/u16:0/10:
[ 2090.289539][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 2090.289818][   T42]  #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 2090.290046][   T42]  #2: ffffffff9816a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[ 2090.290265][   T42] 2 locks held by kworker/u20:0/39:
[ 2090.290386][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 2090.290645][   T42]  #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 2090.290931][   T42] 1 lock held by khungtaskd/42:
[ 2090.291049][   T42]  #0: ffffffff979591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[ 2090.291274][   T42] 1 lock held by modprobe/8169:
[ 2090.291391][   T42]  #0: ffffffff9816a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[ 2090.291674][   T42] 
[ 2090.291735][   T42] =============================================
[ 2090.291735][   T42] 
[ 2093.496725][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2093.497318][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2093.497318][   T10]      netdev_get_by_index+0x5e/0x80
[ 2093.497318][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2093.497318][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2093.497318][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2093.497318][   T10]      ipv6_add_addr+0x411/0x2000
[ 2093.497318][   T10]      inet6_addr_add+0x30e/0xa40
[ 2093.497318][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2093.497318][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2093.497318][   T10]      netlink_rcv_skb+0x130/0x360
[ 2093.497318][   T10]      netlink_unicast+0x449/0x710
[ 2093.497318][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2093.497318][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2093.497318][   T10]      ___sys_sendmsg+0xee/0x170
[ 2093.497318][   T10]      __sys_sendmsg+0xcd/0x170
[ 2093.497318][   T10]      do_syscall_64+0xc6/0x1e0
[ 2093.497318][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2093.497318][   T10] 
[ 2093.500310][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2093.500310][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2093.500310][   T10]      ipv6_find_idev+0x102/0x170
[ 2093.500310][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2093.500310][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2093.500310][   T10]      netlink_rcv_skb+0x130/0x360
[ 2093.500310][   T10]      netlink_unicast+0x449/0x710
[ 2093.500310][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2093.500310][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2093.500310][   T10]      ___sys_sendmsg+0xee/0x170
[ 2093.500310][   T10]      __sys_sendmsg+0xcd/0x170
[ 2093.500310][   T10]      do_syscall_64+0xc6/0x1e0
[ 2093.500310][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2093.500310][   T10] 
[ 2093.502581][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2093.502581][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2093.502581][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2093.502581][   T10]      ipv6_find_idev+0x102/0x170
[ 2093.502581][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2093.502581][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2093.502581][   T10]      netlink_rcv_skb+0x130/0x360
[ 2093.502581][   T10]      netlink_unicast+0x449/0x710
[ 2093.502581][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2093.502581][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2093.502581][   T10]      ___sys_sendmsg+0xee/0x170
[ 2093.502581][   T10]      __sys_sendmsg+0xcd/0x170
[ 2093.502581][   T10]      do_syscall_64+0xc6/0x1e0
[ 2093.502581][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2093.502581][   T10] 
[ 2093.505084][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2093.505453][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2093.505453][   T10]      netdev_get_by_index+0x5e/0x80
[ 2093.505453][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2093.505453][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2093.505453][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2093.505453][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2093.505453][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2093.505453][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2093.505453][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2093.505453][   T10]      addrconf_dad_begin+0x310/0x670
[ 2093.505453][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2093.505453][   T10]      process_one_work+0x84d/0x18a0
[ 2093.505453][   T10]      worker_thread+0x587/0xd30
[ 2093.505453][   T10]      kthread+0x28a/0x350
[ 2093.505453][   T10]      ret_from_fork+0x31/0x70
[ 2093.505453][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2093.505453][   T10] 
[ 2093.508265][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2093.508265][   T10]      netdev_get_by_index+0x5e/0x80
[ 2093.508265][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2093.508265][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2093.508265][   T10]      ip6_route_add+0x1c/0x140
[ 2093.508265][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2093.508265][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2093.508265][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2093.508265][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2093.508265][   T10]      netlink_rcv_skb+0x130/0x360
[ 2093.508265][   T10]      netlink_unicast+0x449/0x710
[ 2093.508265][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2093.508265][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2093.508265][   T10]      ___sys_sendmsg+0xee/0x170
[ 2093.508265][   T10]      __sys_sendmsg+0xcd/0x170
[ 2093.508265][   T10]      do_syscall_64+0xc6/0x1e0
[ 2093.508265][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2093.508265][   T10] 
[ 2093.511214][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2093.511214][   T10]      netdev_get_by_index+0x5e/0x80
[ 2093.511214][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2093.511214][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2093.511214][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2093.511214][   T10]      ipv6_add_addr+0x411/0x2000
[ 2093.511214][   T10]      inet6_addr_add+0x30e/0xa40
[ 2093.511214][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2093.511214][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2093.511214][   T10]      netlink_rcv_skb+0x130/0x360
[ 2093.511214][   T10]      netlink_unicast+0x449/0x710
[ 2093.511214][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2093.511214][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2093.511214][   T10]      ___sys_sendmsg+0xee/0x170
[ 2093.511214][   T10]      __sys_sendmsg+0xcd/0x170
[ 2093.511214][   T10]      do_syscall_64+0xc6/0x1e0
[ 2093.511214][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2093.511214][   T10] 
[ 2093.514179][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2093.514179][   T10]      netdev_get_by_index+0x5e/0x80
[ 2093.514179][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2093.514179][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2093.514179][   T10]      ip6_route_add+0x1c/0x140
[ 2093.514179][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2093.514179][   T10]      addrconf_add_dev+0xe2/0x170
[ 2093.514179][   T10]      inet6_addr_add+0x12f/0xa40
[ 2093.514179][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2093.514179][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2093.514179][   T10]      netlink_rcv_skb+0x130/0x360
[ 2093.514179][   T10]      netlink_unicast+0x449/0x710
[ 2093.514179][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2093.514179][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2093.514179][   T10]      ___sys_sendmsg+0xee/0x170
[ 2093.514179][   T10]      __sys_sendmsg+0xcd/0x170
[ 2093.514179][   T10]      do_syscall_64+0xc6/0x1e0
[ 2093.514179][   T10] 
[ 2093.517098][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2093.517098][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2093.517098][   T10]      ipv6_find_idev+0x102/0x170
[ 2093.517098][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2093.517098][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2093.517098][   T10]      netlink_rcv_skb+0x130/0x360
[ 2093.517098][   T10]      netlink_unicast+0x449/0x710
[ 2093.517098][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2093.517098][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2093.517098][   T10]      ___sys_sendmsg+0xee/0x170
[ 2093.517098][   T10]      __sys_sendmsg+0xcd/0x170
[ 2093.517098][   T10]      do_syscall_64+0xc6/0x1e0
[ 2093.517098][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2093.517098][   T10] 
[ 2093.519367][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2093.519367][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2093.519367][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2093.519367][   T10]      ipv6_find_idev+0x102/0x170
[ 2093.519367][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2093.519367][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2093.519367][   T10]      netlink_rcv_skb+0x130/0x360
[ 2093.519367][   T10]      netlink_unicast+0x449/0x710
[ 2093.519367][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2093.519367][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2093.519367][   T10]      ___sys_sendmsg+0xee/0x170
[ 2093.519367][   T10]      __sys_sendmsg+0xcd/0x170
[ 2093.519367][   T10]      do_syscall_64+0xc6/0x1e0
[ 2093.519367][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2093.519367][   T10] 
[ 2103.608748][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2103.609195][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2103.609195][   T10]      netdev_get_by_index+0x5e/0x80
[ 2103.609195][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2103.609195][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2103.609195][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2103.609195][   T10]      ipv6_add_addr+0x411/0x2000
[ 2103.609195][   T10]      inet6_addr_add+0x30e/0xa40
[ 2103.609195][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2103.609195][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2103.609195][   T10]      netlink_rcv_skb+0x130/0x360
[ 2103.609195][   T10]      netlink_unicast+0x449/0x710
[ 2103.609195][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2103.609195][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2103.609195][   T10]      ___sys_sendmsg+0xee/0x170
[ 2103.609195][   T10]      __sys_sendmsg+0xcd/0x170
[ 2103.609195][   T10]      do_syscall_64+0xc6/0x1e0
[ 2103.609195][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2103.609195][   T10] 
[ 2103.611274][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2103.611274][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2103.611274][   T10]      ipv6_find_idev+0x102/0x170
[ 2103.611274][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2103.611274][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2103.611274][   T10]      netlink_rcv_skb+0x130/0x360
[ 2103.611274][   T10]      netlink_unicast+0x449/0x710
[ 2103.611274][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2103.611274][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2103.611274][   T10]      ___sys_sendmsg+0xee/0x170
[ 2103.611274][   T10]      __sys_sendmsg+0xcd/0x170
[ 2103.611274][   T10]      do_syscall_64+0xc6/0x1e0
[ 2103.611274][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2103.611274][   T10] 
[ 2103.612841][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2103.612841][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2103.612841][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2103.612841][   T10]      ipv6_find_idev+0x102/0x170
[ 2103.612841][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2103.612841][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2103.612841][   T10]      netlink_rcv_skb+0x130/0x360
[ 2103.612841][   T10]      netlink_unicast+0x449/0x710
[ 2103.612841][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2103.612841][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2103.612841][   T10]      ___sys_sendmsg+0xee/0x170
[ 2103.612841][   T10]      __sys_sendmsg+0xcd/0x170
[ 2103.612841][   T10]      do_syscall_64+0xc6/0x1e0
[ 2103.612841][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2103.612841][   T10] 
[ 2103.614580][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2103.614844][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2103.614844][   T10]      netdev_get_by_index+0x5e/0x80
[ 2103.614844][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2103.614844][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2103.614844][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2103.614844][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2103.614844][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2103.614844][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2103.614844][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2103.614844][   T10]      addrconf_dad_begin+0x310/0x670
[ 2103.614844][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2103.614844][   T10]      process_one_work+0x84d/0x18a0
[ 2103.614844][   T10]      worker_thread+0x587/0xd30
[ 2103.614844][   T10]      kthread+0x28a/0x350
[ 2103.614844][   T10]      ret_from_fork+0x31/0x70
[ 2103.614844][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2103.614844][   T10] 
[ 2103.616760][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2103.616760][   T10]      netdev_get_by_index+0x5e/0x80
[ 2103.616760][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2103.616760][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2103.616760][   T10]      ip6_route_add+0x1c/0x140
[ 2103.616760][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2103.616760][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2103.616760][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2103.616760][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2103.616760][   T10]      netlink_rcv_skb+0x130/0x360
[ 2103.616760][   T10]      netlink_unicast+0x449/0x710
[ 2103.616760][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2103.616760][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2103.616760][   T10]      ___sys_sendmsg+0xee/0x170
[ 2103.616760][   T10]      __sys_sendmsg+0xcd/0x170
[ 2103.616760][   T10]      do_syscall_64+0xc6/0x1e0
[ 2103.616760][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2103.616760][   T10] 
[ 2103.618786][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2103.618786][   T10]      netdev_get_by_index+0x5e/0x80
[ 2103.618786][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2103.618786][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2103.618786][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2103.618786][   T10]      ipv6_add_addr+0x411/0x2000
[ 2103.618786][   T10]      inet6_addr_add+0x30e/0xa40
[ 2103.618786][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2103.618786][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2103.618786][   T10]      netlink_rcv_skb+0x130/0x360
[ 2103.618786][   T10]      netlink_unicast+0x449/0x710
[ 2103.618786][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2103.618786][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2103.618786][   T10]      ___sys_sendmsg+0xee/0x170
[ 2103.618786][   T10]      __sys_sendmsg+0xcd/0x170
[ 2103.618786][   T10]      do_syscall_64+0xc6/0x1e0
[ 2103.618786][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2103.618786][   T10] 
[ 2103.620808][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2103.620808][   T10]      netdev_get_by_index+0x5e/0x80
[ 2103.620808][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2103.620808][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2103.620808][   T10]      ip6_route_add+0x1c/0x140
[ 2103.620808][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2103.620808][   T10]      addrconf_add_dev+0xe2/0x170
[ 2103.620808][   T10]      inet6_addr_add+0x12f/0xa40
[ 2103.620808][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2103.620808][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2103.620808][   T10]      netlink_rcv_skb+0x130/0x360
[ 2103.620808][   T10]      netlink_unicast+0x449/0x710
[ 2103.620808][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2103.620808][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2103.620808][   T10]      ___sys_sendmsg+0xee/0x170
[ 2103.620808][   T10]      __sys_sendmsg+0xcd/0x170
[ 2103.620808][   T10]      do_syscall_64+0xc6/0x1e0
[ 2103.620808][   T10] 
[ 2103.622792][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2103.622792][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2103.622792][   T10]      ipv6_find_idev+0x102/0x170
[ 2103.622792][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2103.622792][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2103.622792][   T10]      netlink_rcv_skb+0x130/0x360
[ 2103.622792][   T10]      netlink_unicast+0x449/0x710
[ 2103.622792][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2103.622792][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2103.622792][   T10]      ___sys_sendmsg+0xee/0x170
[ 2103.622792][   T10]      __sys_sendmsg+0xcd/0x170
[ 2103.622792][   T10]      do_syscall_64+0xc6/0x1e0
[ 2103.622792][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2103.622792][   T10] 
[ 2103.624385][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2103.624385][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2103.624385][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2103.624385][   T10]      ipv6_find_idev+0x102/0x170
[ 2103.624385][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2103.624385][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2103.624385][   T10]      netlink_rcv_skb+0x130/0x360
[ 2103.624385][   T10]      netlink_unicast+0x449/0x710
[ 2103.624385][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2103.624385][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2103.624385][   T10]      ___sys_sendmsg+0xee/0x170
[ 2103.624385][   T10]      __sys_sendmsg+0xcd/0x170
[ 2103.624385][   T10]      do_syscall_64+0xc6/0x1e0
[ 2103.624385][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2103.624385][   T10] 
[ 2113.688746][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2113.716538][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2113.716538][   T10]      netdev_get_by_index+0x5e/0x80
[ 2113.716538][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2113.716538][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2113.716538][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2113.716538][   T10]      ipv6_add_addr+0x411/0x2000
[ 2113.716538][   T10]      inet6_addr_add+0x30e/0xa40
[ 2113.716538][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2113.716538][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2113.716538][   T10]      netlink_rcv_skb+0x130/0x360
[ 2113.716538][   T10]      netlink_unicast+0x449/0x710
[ 2113.716538][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2113.716538][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2113.716538][   T10]      ___sys_sendmsg+0xee/0x170
[ 2113.716538][   T10]      __sys_sendmsg+0xcd/0x170
[ 2113.716538][   T10]      do_syscall_64+0xc6/0x1e0
[ 2113.716538][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2113.716538][   T10] 
[ 2113.718719][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2113.718719][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2113.718719][   T10]      ipv6_find_idev+0x102/0x170
[ 2113.718719][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2113.718719][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2113.718719][   T10]      netlink_rcv_skb+0x130/0x360
[ 2113.718719][   T10]      netlink_unicast+0x449/0x710
[ 2113.718719][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2113.718719][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2113.718719][   T10]      ___sys_sendmsg+0xee/0x170
[ 2113.718719][   T10]      __sys_sendmsg+0xcd/0x170
[ 2113.718719][   T10]      do_syscall_64+0xc6/0x1e0
[ 2113.718719][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2113.718719][   T10] 
[ 2113.720318][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2113.720318][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2113.720318][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2113.720318][   T10]      ipv6_find_idev+0x102/0x170
[ 2113.720318][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2113.720318][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2113.720318][   T10]      netlink_rcv_skb+0x130/0x360
[ 2113.720318][   T10]      netlink_unicast+0x449/0x710
[ 2113.720318][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2113.720318][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2113.720318][   T10]      ___sys_sendmsg+0xee/0x170
[ 2113.720318][   T10]      __sys_sendmsg+0xcd/0x170
[ 2113.720318][   T10]      do_syscall_64+0xc6/0x1e0
[ 2113.720318][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2113.720318][   T10] 
[ 2113.722054][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2113.722311][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2113.722311][   T10]      netdev_get_by_index+0x5e/0x80
[ 2113.722311][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2113.722311][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2113.722311][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2113.722311][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2113.722311][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2113.722311][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2113.722311][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2113.722311][   T10]      addrconf_dad_begin+0x310/0x670
[ 2113.722311][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2113.722311][   T10]      process_one_work+0x84d/0x18a0
[ 2113.722311][   T10]      worker_thread+0x587/0xd30
[ 2113.722311][   T10]      kthread+0x28a/0x350
[ 2113.722311][   T10]      ret_from_fork+0x31/0x70
[ 2113.722311][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2113.722311][   T10] 
[ 2113.724235][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2113.724235][   T10]      netdev_get_by_index+0x5e/0x80
[ 2113.724235][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2113.724235][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2113.724235][   T10]      ip6_route_add+0x1c/0x140
[ 2113.724235][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2113.724235][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2113.724235][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2113.724235][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2113.724235][   T10]      netlink_rcv_skb+0x130/0x360
[ 2113.724235][   T10]      netlink_unicast+0x449/0x710
[ 2113.724235][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2113.724235][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2113.724235][   T10]      ___sys_sendmsg+0xee/0x170
[ 2113.724235][   T10]      __sys_sendmsg+0xcd/0x170
[ 2113.724235][   T10]      do_syscall_64+0xc6/0x1e0
[ 2113.724235][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2113.724235][   T10] 
[ 2113.726248][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2113.726248][   T10]      netdev_get_by_index+0x5e/0x80
[ 2113.726248][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2113.726248][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2113.726248][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2113.726248][   T10]      ipv6_add_addr+0x411/0x2000
[ 2113.726248][   T10]      inet6_addr_add+0x30e/0xa40
[ 2113.726248][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2113.726248][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2113.726248][   T10]      netlink_rcv_skb+0x130/0x360
[ 2113.726248][   T10]      netlink_unicast+0x449/0x710
[ 2113.726248][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2113.726248][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2113.726248][   T10]      ___sys_sendmsg+0xee/0x170
[ 2113.726248][   T10]      __sys_sendmsg+0xcd/0x170
[ 2113.726248][   T10]      do_syscall_64+0xc6/0x1e0
[ 2113.726248][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2113.726248][   T10] 
[ 2113.728265][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2113.728265][   T10]      netdev_get_by_index+0x5e/0x80
[ 2113.728265][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2113.728265][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2113.728265][   T10]      ip6_route_add+0x1c/0x140
[ 2113.728265][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2113.728265][   T10]      addrconf_add_dev+0xe2/0x170
[ 2113.728265][   T10]      inet6_addr_add+0x12f/0xa40
[ 2113.728265][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2113.728265][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2113.728265][   T10]      netlink_rcv_skb+0x130/0x360
[ 2113.728265][   T10]      netlink_unicast+0x449/0x710
[ 2113.728265][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2113.728265][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2113.728265][   T10]      ___sys_sendmsg+0xee/0x170
[ 2113.728265][   T10]      __sys_sendmsg+0xcd/0x170
[ 2113.728265][   T10]      do_syscall_64+0xc6/0x1e0
[ 2113.728265][   T10] 
[ 2113.730241][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2113.730241][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2113.730241][   T10]      ipv6_find_idev+0x102/0x170
[ 2113.730241][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2113.730241][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2113.730241][   T10]      netlink_rcv_skb+0x130/0x360
[ 2113.730241][   T10]      netlink_unicast+0x449/0x710
[ 2113.730241][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2113.730241][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2113.730241][   T10]      ___sys_sendmsg+0xee/0x170
[ 2113.730241][   T10]      __sys_sendmsg+0xcd/0x170
[ 2113.730241][   T10]      do_syscall_64+0xc6/0x1e0
[ 2113.730241][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2113.730241][   T10] 
[ 2113.731790][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2113.731790][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2113.731790][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2113.731790][   T10]      ipv6_find_idev+0x102/0x170
[ 2113.731790][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2113.731790][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2113.731790][   T10]      netlink_rcv_skb+0x130/0x360
[ 2113.731790][   T10]      netlink_unicast+0x449/0x710
[ 2113.731790][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2113.731790][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2113.731790][   T10]      ___sys_sendmsg+0xee/0x170
[ 2113.731790][   T10]      __sys_sendmsg+0xcd/0x170
[ 2113.731790][   T10]      do_syscall_64+0xc6/0x1e0
[ 2113.731790][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2113.731790][   T10] 
[ 2123.840885][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2123.841277][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2123.841277][   T10]      netdev_get_by_index+0x5e/0x80
[ 2123.841277][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2123.841277][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2123.841277][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2123.841277][   T10]      ipv6_add_addr+0x411/0x2000
[ 2123.841277][   T10]      inet6_addr_add+0x30e/0xa40
[ 2123.841277][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2123.841277][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2123.841277][   T10]      netlink_rcv_skb+0x130/0x360
[ 2123.841277][   T10]      netlink_unicast+0x449/0x710
[ 2123.841277][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2123.841277][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2123.841277][   T10]      ___sys_sendmsg+0xee/0x170
[ 2123.841277][   T10]      __sys_sendmsg+0xcd/0x170
[ 2123.841277][   T10]      do_syscall_64+0xc6/0x1e0
[ 2123.841277][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2123.841277][   T10] 
[ 2123.843325][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2123.843325][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2123.843325][   T10]      ipv6_find_idev+0x102/0x170
[ 2123.843325][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2123.843325][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2123.843325][   T10]      netlink_rcv_skb+0x130/0x360
[ 2123.843325][   T10]      netlink_unicast+0x449/0x710
[ 2123.843325][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2123.843325][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2123.843325][   T10]      ___sys_sendmsg+0xee/0x170
[ 2123.843325][   T10]      __sys_sendmsg+0xcd/0x170
[ 2123.843325][   T10]      do_syscall_64+0xc6/0x1e0
[ 2123.843325][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2123.843325][   T10] 
[ 2123.844884][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2123.844884][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2123.844884][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2123.844884][   T10]      ipv6_find_idev+0x102/0x170
[ 2123.844884][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2123.844884][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2123.844884][   T10]      netlink_rcv_skb+0x130/0x360
[ 2123.844884][   T10]      netlink_unicast+0x449/0x710
[ 2123.844884][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2123.844884][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2123.844884][   T10]      ___sys_sendmsg+0xee/0x170
[ 2123.844884][   T10]      __sys_sendmsg+0xcd/0x170
[ 2123.844884][   T10]      do_syscall_64+0xc6/0x1e0
[ 2123.844884][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2123.844884][   T10] 
[ 2123.846577][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2123.846855][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2123.846855][   T10]      netdev_get_by_index+0x5e/0x80
[ 2123.846855][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2123.846855][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2123.846855][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2123.846855][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2123.846855][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2123.846855][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2123.846855][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2123.846855][   T10]      addrconf_dad_begin+0x310/0x670
[ 2123.846855][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2123.846855][   T10]      process_one_work+0x84d/0x18a0
[ 2123.846855][   T10]      worker_thread+0x587/0xd30
[ 2123.846855][   T10]      kthread+0x28a/0x350
[ 2123.846855][   T10]      ret_from_fork+0x31/0x70
[ 2123.846855][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2123.846855][   T10] 
[ 2123.848745][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2123.848745][   T10]      netdev_get_by_index+0x5e/0x80
[ 2123.848745][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2123.848745][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2123.848745][   T10]      ip6_route_add+0x1c/0x140
[ 2123.848745][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2123.848745][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2123.848745][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2123.848745][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2123.848745][   T10]      netlink_rcv_skb+0x130/0x360
[ 2123.848745][   T10]      netlink_unicast+0x449/0x710
[ 2123.848745][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2123.848745][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2123.848745][   T10]      ___sys_sendmsg+0xee/0x170
[ 2123.848745][   T10]      __sys_sendmsg+0xcd/0x170
[ 2123.848745][   T10]      do_syscall_64+0xc6/0x1e0
[ 2123.848745][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2123.848745][   T10] 
[ 2123.850757][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2123.850757][   T10]      netdev_get_by_index+0x5e/0x80
[ 2123.850757][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2123.850757][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2123.850757][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2123.850757][   T10]      ipv6_add_addr+0x411/0x2000
[ 2123.850757][   T10]      inet6_addr_add+0x30e/0xa40
[ 2123.850757][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2123.850757][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2123.850757][   T10]      netlink_rcv_skb+0x130/0x360
[ 2123.850757][   T10]      netlink_unicast+0x449/0x710
[ 2123.850757][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2123.850757][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2123.850757][   T10]      ___sys_sendmsg+0xee/0x170
[ 2123.850757][   T10]      __sys_sendmsg+0xcd/0x170
[ 2123.850757][   T10]      do_syscall_64+0xc6/0x1e0
[ 2123.850757][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2123.850757][   T10] 
[ 2123.852753][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2123.852753][   T10]      netdev_get_by_index+0x5e/0x80
[ 2123.852753][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2123.852753][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2123.852753][   T10]      ip6_route_add+0x1c/0x140
[ 2123.852753][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2123.852753][   T10]      addrconf_add_dev+0xe2/0x170
[ 2123.852753][   T10]      inet6_addr_add+0x12f/0xa40
[ 2123.852753][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2123.852753][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2123.852753][   T10]      netlink_rcv_skb+0x130/0x360
[ 2123.852753][   T10]      netlink_unicast+0x449/0x710
[ 2123.852753][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2123.852753][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2123.852753][   T10]      ___sys_sendmsg+0xee/0x170
[ 2123.852753][   T10]      __sys_sendmsg+0xcd/0x170
[ 2123.852753][   T10]      do_syscall_64+0xc6/0x1e0
[ 2123.852753][   T10] 
[ 2123.854727][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2123.854727][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2123.854727][   T10]      ipv6_find_idev+0x102/0x170
[ 2123.854727][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2123.854727][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2123.854727][   T10]      netlink_rcv_skb+0x130/0x360
[ 2123.854727][   T10]      netlink_unicast+0x449/0x710
[ 2123.854727][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2123.854727][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2123.854727][   T10]      ___sys_sendmsg+0xee/0x170
[ 2123.854727][   T10]      __sys_sendmsg+0xcd/0x170
[ 2123.854727][   T10]      do_syscall_64+0xc6/0x1e0
[ 2123.854727][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2123.854727][   T10] 
[ 2123.856268][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2123.856268][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2123.856268][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2123.856268][   T10]      ipv6_find_idev+0x102/0x170
[ 2123.856268][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2123.856268][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2123.856268][   T10]      netlink_rcv_skb+0x130/0x360
[ 2123.856268][   T10]      netlink_unicast+0x449/0x710
[ 2123.856268][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2123.856268][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2123.856268][   T10]      ___sys_sendmsg+0xee/0x170
[ 2123.856268][   T10]      __sys_sendmsg+0xcd/0x170
[ 2123.856268][   T10]      do_syscall_64+0xc6/0x1e0
[ 2123.856268][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2123.856268][   T10] 
[ 2133.936741][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2133.937221][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2133.937221][   T10]      netdev_get_by_index+0x5e/0x80
[ 2133.937221][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2133.937221][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2133.937221][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2133.937221][   T10]      ipv6_add_addr+0x411/0x2000
[ 2133.937221][   T10]      inet6_addr_add+0x30e/0xa40
[ 2133.937221][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2133.937221][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2133.937221][   T10]      netlink_rcv_skb+0x130/0x360
[ 2133.937221][   T10]      netlink_unicast+0x449/0x710
[ 2133.937221][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2133.937221][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2133.937221][   T10]      ___sys_sendmsg+0xee/0x170
[ 2133.937221][   T10]      __sys_sendmsg+0xcd/0x170
[ 2133.937221][   T10]      do_syscall_64+0xc6/0x1e0
[ 2133.937221][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2133.937221][   T10] 
[ 2133.939303][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2133.939303][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2133.939303][   T10]      ipv6_find_idev+0x102/0x170
[ 2133.939303][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2133.939303][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2133.939303][   T10]      netlink_rcv_skb+0x130/0x360
[ 2133.939303][   T10]      netlink_unicast+0x449/0x710
[ 2133.939303][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2133.939303][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2133.939303][   T10]      ___sys_sendmsg+0xee/0x170
[ 2133.939303][   T10]      __sys_sendmsg+0xcd/0x170
[ 2133.939303][   T10]      do_syscall_64+0xc6/0x1e0
[ 2133.939303][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2133.939303][   T10] 
[ 2133.940875][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2133.940875][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2133.940875][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2133.940875][   T10]      ipv6_find_idev+0x102/0x170
[ 2133.940875][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2133.940875][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2133.940875][   T10]      netlink_rcv_skb+0x130/0x360
[ 2133.940875][   T10]      netlink_unicast+0x449/0x710
[ 2133.940875][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2133.940875][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2133.940875][   T10]      ___sys_sendmsg+0xee/0x170
[ 2133.940875][   T10]      __sys_sendmsg+0xcd/0x170
[ 2133.940875][   T10]      do_syscall_64+0xc6/0x1e0
[ 2133.940875][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2133.940875][   T10] 
[ 2133.942605][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2133.942885][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2133.942885][   T10]      netdev_get_by_index+0x5e/0x80
[ 2133.942885][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2133.942885][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2133.942885][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2133.942885][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2133.942885][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2133.942885][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2133.942885][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2133.942885][   T10]      addrconf_dad_begin+0x310/0x670
[ 2133.942885][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2133.942885][   T10]      process_one_work+0x84d/0x18a0
[ 2133.942885][   T10]      worker_thread+0x587/0xd30
[ 2133.942885][   T10]      kthread+0x28a/0x350
[ 2133.942885][   T10]      ret_from_fork+0x31/0x70
[ 2133.942885][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2133.942885][   T10] 
[ 2133.944821][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2133.944821][   T10]      netdev_get_by_index+0x5e/0x80
[ 2133.944821][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2133.944821][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2133.944821][   T10]      ip6_route_add+0x1c/0x140
[ 2133.944821][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2133.944821][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2133.944821][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2133.944821][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2133.944821][   T10]      netlink_rcv_skb+0x130/0x360
[ 2133.944821][   T10]      netlink_unicast+0x449/0x710
[ 2133.944821][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2133.944821][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2133.944821][   T10]      ___sys_sendmsg+0xee/0x170
[ 2133.944821][   T10]      __sys_sendmsg+0xcd/0x170
[ 2133.944821][   T10]      do_syscall_64+0xc6/0x1e0
[ 2133.944821][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2133.944821][   T10] 
[ 2133.946850][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2133.946850][   T10]      netdev_get_by_index+0x5e/0x80
[ 2133.946850][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2133.946850][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2133.946850][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2133.946850][   T10]      ipv6_add_addr+0x411/0x2000
[ 2133.946850][   T10]      inet6_addr_add+0x30e/0xa40
[ 2133.946850][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2133.946850][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2133.946850][   T10]      netlink_rcv_skb+0x130/0x360
[ 2133.946850][   T10]      netlink_unicast+0x449/0x710
[ 2133.946850][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2133.946850][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2133.946850][   T10]      ___sys_sendmsg+0xee/0x170
[ 2133.946850][   T10]      __sys_sendmsg+0xcd/0x170
[ 2133.946850][   T10]      do_syscall_64+0xc6/0x1e0
[ 2133.946850][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2133.946850][   T10] 
[ 2133.948882][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2133.948882][   T10]      netdev_get_by_index+0x5e/0x80
[ 2133.948882][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2133.948882][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2133.948882][   T10]      ip6_route_add+0x1c/0x140
[ 2133.948882][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2133.948882][   T10]      addrconf_add_dev+0xe2/0x170
[ 2133.948882][   T10]      inet6_addr_add+0x12f/0xa40
[ 2133.948882][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2133.948882][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2133.948882][   T10]      netlink_rcv_skb+0x130/0x360
[ 2133.948882][   T10]      netlink_unicast+0x449/0x710
[ 2133.948882][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2133.948882][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2133.948882][   T10]      ___sys_sendmsg+0xee/0x170
[ 2133.948882][   T10]      __sys_sendmsg+0xcd/0x170
[ 2133.948882][   T10]      do_syscall_64+0xc6/0x1e0
[ 2133.948882][   T10] 
[ 2133.950881][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2133.950881][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2133.950881][   T10]      ipv6_find_idev+0x102/0x170
[ 2133.950881][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2133.950881][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2133.950881][   T10]      netlink_rcv_skb+0x130/0x360
[ 2133.950881][   T10]      netlink_unicast+0x449/0x710
[ 2133.950881][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2133.950881][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2133.950881][   T10]      ___sys_sendmsg+0xee/0x170
[ 2133.950881][   T10]      __sys_sendmsg+0xcd/0x170
[ 2133.950881][   T10]      do_syscall_64+0xc6/0x1e0
[ 2133.950881][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2133.950881][   T10] 
[ 2133.981378][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2133.981378][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2133.981378][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2133.981378][   T10]      ipv6_find_idev+0x102/0x170
[ 2133.981378][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2133.981378][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2133.981378][   T10]      netlink_rcv_skb+0x130/0x360
[ 2133.981378][   T10]      netlink_unicast+0x449/0x710
[ 2133.981378][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2133.981378][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2133.981378][   T10]      ___sys_sendmsg+0xee/0x170
[ 2133.981378][   T10]      __sys_sendmsg+0xcd/0x170
[ 2133.981378][   T10]      do_syscall_64+0xc6/0x1e0
[ 2133.981378][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2133.981378][   T10] 
[ 2144.224748][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2144.225220][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2144.225220][   T10]      netdev_get_by_index+0x5e/0x80
[ 2144.225220][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2144.225220][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2144.225220][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2144.225220][   T10]      ipv6_add_addr+0x411/0x2000
[ 2144.225220][   T10]      inet6_addr_add+0x30e/0xa40
[ 2144.225220][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2144.225220][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2144.225220][   T10]      netlink_rcv_skb+0x130/0x360
[ 2144.225220][   T10]      netlink_unicast+0x449/0x710
[ 2144.225220][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2144.225220][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2144.225220][   T10]      ___sys_sendmsg+0xee/0x170
[ 2144.225220][   T10]      __sys_sendmsg+0xcd/0x170
[ 2144.225220][   T10]      do_syscall_64+0xc6/0x1e0
[ 2144.225220][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2144.225220][   T10] 
[ 2144.227281][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2144.227281][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2144.227281][   T10]      ipv6_find_idev+0x102/0x170
[ 2144.227281][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2144.227281][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2144.227281][   T10]      netlink_rcv_skb+0x130/0x360
[ 2144.227281][   T10]      netlink_unicast+0x449/0x710
[ 2144.227281][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2144.227281][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2144.227281][   T10]      ___sys_sendmsg+0xee/0x170
[ 2144.227281][   T10]      __sys_sendmsg+0xcd/0x170
[ 2144.227281][   T10]      do_syscall_64+0xc6/0x1e0
[ 2144.227281][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2144.227281][   T10] 
[ 2144.228842][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2144.228842][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2144.228842][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2144.228842][   T10]      ipv6_find_idev+0x102/0x170
[ 2144.228842][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2144.228842][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2144.228842][   T10]      netlink_rcv_skb+0x130/0x360
[ 2144.228842][   T10]      netlink_unicast+0x449/0x710
[ 2144.228842][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2144.228842][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2144.228842][   T10]      ___sys_sendmsg+0xee/0x170
[ 2144.228842][   T10]      __sys_sendmsg+0xcd/0x170
[ 2144.228842][   T10]      do_syscall_64+0xc6/0x1e0
[ 2144.228842][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2144.228842][   T10] 
[ 2144.230566][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2144.230839][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2144.230839][   T10]      netdev_get_by_index+0x5e/0x80
[ 2144.230839][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2144.230839][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2144.230839][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2144.230839][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2144.230839][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2144.230839][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2144.230839][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2144.230839][   T10]      addrconf_dad_begin+0x310/0x670
[ 2144.230839][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2144.230839][   T10]      process_one_work+0x84d/0x18a0
[ 2144.230839][   T10]      worker_thread+0x587/0xd30
[ 2144.230839][   T10]      kthread+0x28a/0x350
[ 2144.230839][   T10]      ret_from_fork+0x31/0x70
[ 2144.230839][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2144.230839][   T10] 
[ 2144.232753][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2144.232753][   T10]      netdev_get_by_index+0x5e/0x80
[ 2144.232753][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2144.232753][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2144.232753][   T10]      ip6_route_add+0x1c/0x140
[ 2144.232753][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2144.232753][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2144.232753][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2144.232753][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2144.232753][   T10]      netlink_rcv_skb+0x130/0x360
[ 2144.232753][   T10]      netlink_unicast+0x449/0x710
[ 2144.232753][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2144.232753][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2144.232753][   T10]      ___sys_sendmsg+0xee/0x170
[ 2144.232753][   T10]      __sys_sendmsg+0xcd/0x170
[ 2144.232753][   T10]      do_syscall_64+0xc6/0x1e0
[ 2144.232753][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2144.232753][   T10] 
[ 2144.234790][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2144.234790][   T10]      netdev_get_by_index+0x5e/0x80
[ 2144.234790][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2144.234790][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2144.234790][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2144.234790][   T10]      ipv6_add_addr+0x411/0x2000
[ 2144.234790][   T10]      inet6_addr_add+0x30e/0xa40
[ 2144.234790][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2144.234790][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2144.234790][   T10]      netlink_rcv_skb+0x130/0x360
[ 2144.234790][   T10]      netlink_unicast+0x449/0x710
[ 2144.234790][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2144.234790][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2144.234790][   T10]      ___sys_sendmsg+0xee/0x170
[ 2144.234790][   T10]      __sys_sendmsg+0xcd/0x170
[ 2144.234790][   T10]      do_syscall_64+0xc6/0x1e0
[ 2144.234790][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2144.234790][   T10] 
[ 2144.236816][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2144.236816][   T10]      netdev_get_by_index+0x5e/0x80
[ 2144.236816][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2144.236816][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2144.236816][   T10]      ip6_route_add+0x1c/0x140
[ 2144.236816][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2144.236816][   T10]      addrconf_add_dev+0xe2/0x170
[ 2144.236816][   T10]      inet6_addr_add+0x12f/0xa40
[ 2144.236816][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2144.236816][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2144.236816][   T10]      netlink_rcv_skb+0x130/0x360
[ 2144.236816][   T10]      netlink_unicast+0x449/0x710
[ 2144.236816][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2144.236816][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2144.236816][   T10]      ___sys_sendmsg+0xee/0x170
[ 2144.236816][   T10]      __sys_sendmsg+0xcd/0x170
[ 2144.236816][   T10]      do_syscall_64+0xc6/0x1e0
[ 2144.236816][   T10] 
[ 2144.238815][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2144.238815][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2144.238815][   T10]      ipv6_find_idev+0x102/0x170
[ 2144.238815][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2144.238815][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2144.238815][   T10]      netlink_rcv_skb+0x130/0x360
[ 2144.238815][   T10]      netlink_unicast+0x449/0x710
[ 2144.238815][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2144.238815][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2144.238815][   T10]      ___sys_sendmsg+0xee/0x170
[ 2144.238815][   T10]      __sys_sendmsg+0xcd/0x170
[ 2144.238815][   T10]      do_syscall_64+0xc6/0x1e0
[ 2144.238815][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2144.238815][   T10] 
[ 2144.240381][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2144.240381][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2144.240381][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2144.240381][   T10]      ipv6_find_idev+0x102/0x170
[ 2144.240381][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2144.240381][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2144.240381][   T10]      netlink_rcv_skb+0x130/0x360
[ 2144.240381][   T10]      netlink_unicast+0x449/0x710
[ 2144.240381][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2144.240381][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2144.240381][   T10]      ___sys_sendmsg+0xee/0x170
[ 2144.240381][   T10]      __sys_sendmsg+0xcd/0x170
[ 2144.240381][   T10]      do_syscall_64+0xc6/0x1e0
[ 2144.240381][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2144.240381][   T10] 
[ 2154.480752][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2154.481224][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2154.481224][   T10]      netdev_get_by_index+0x5e/0x80
[ 2154.481224][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2154.481224][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2154.481224][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2154.481224][   T10]      ipv6_add_addr+0x411/0x2000
[ 2154.481224][   T10]      inet6_addr_add+0x30e/0xa40
[ 2154.481224][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2154.481224][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2154.481224][   T10]      netlink_rcv_skb+0x130/0x360
[ 2154.481224][   T10]      netlink_unicast+0x449/0x710
[ 2154.481224][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2154.481224][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2154.481224][   T10]      ___sys_sendmsg+0xee/0x170
[ 2154.481224][   T10]      __sys_sendmsg+0xcd/0x170
[ 2154.481224][   T10]      do_syscall_64+0xc6/0x1e0
[ 2154.481224][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2154.481224][   T10] 
[ 2154.483297][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2154.483297][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2154.483297][   T10]      ipv6_find_idev+0x102/0x170
[ 2154.483297][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2154.483297][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2154.483297][   T10]      netlink_rcv_skb+0x130/0x360
[ 2154.483297][   T10]      netlink_unicast+0x449/0x710
[ 2154.483297][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2154.483297][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2154.483297][   T10]      ___sys_sendmsg+0xee/0x170
[ 2154.483297][   T10]      __sys_sendmsg+0xcd/0x170
[ 2154.483297][   T10]      do_syscall_64+0xc6/0x1e0
[ 2154.483297][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2154.483297][   T10] 
[ 2154.484863][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2154.484863][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2154.484863][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2154.484863][   T10]      ipv6_find_idev+0x102/0x170
[ 2154.484863][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2154.484863][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2154.484863][   T10]      netlink_rcv_skb+0x130/0x360
[ 2154.484863][   T10]      netlink_unicast+0x449/0x710
[ 2154.484863][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2154.484863][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2154.484863][   T10]      ___sys_sendmsg+0xee/0x170
[ 2154.484863][   T10]      __sys_sendmsg+0xcd/0x170
[ 2154.484863][   T10]      do_syscall_64+0xc6/0x1e0
[ 2154.484863][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2154.484863][   T10] 
[ 2154.486605][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2154.486878][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2154.486878][   T10]      netdev_get_by_index+0x5e/0x80
[ 2154.486878][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2154.486878][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2154.486878][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2154.486878][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2154.486878][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2154.486878][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2154.486878][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2154.486878][   T10]      addrconf_dad_begin+0x310/0x670
[ 2154.486878][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2154.486878][   T10]      process_one_work+0x84d/0x18a0
[ 2154.486878][   T10]      worker_thread+0x587/0xd30
[ 2154.486878][   T10]      kthread+0x28a/0x350
[ 2154.486878][   T10]      ret_from_fork+0x31/0x70
[ 2154.486878][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2154.486878][   T10] 
[ 2154.488783][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2154.488783][   T10]      netdev_get_by_index+0x5e/0x80
[ 2154.488783][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2154.488783][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2154.488783][   T10]      ip6_route_add+0x1c/0x140
[ 2154.488783][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2154.488783][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2154.488783][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2154.488783][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2154.488783][   T10]      netlink_rcv_skb+0x130/0x360
[ 2154.488783][   T10]      netlink_unicast+0x449/0x710
[ 2154.488783][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2154.488783][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2154.488783][   T10]      ___sys_sendmsg+0xee/0x170
[ 2154.488783][   T10]      __sys_sendmsg+0xcd/0x170
[ 2154.488783][   T10]      do_syscall_64+0xc6/0x1e0
[ 2154.488783][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2154.488783][   T10] 
[ 2154.490806][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2154.490806][   T10]      netdev_get_by_index+0x5e/0x80
[ 2154.490806][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2154.490806][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2154.490806][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2154.490806][   T10]      ipv6_add_addr+0x411/0x2000
[ 2154.490806][   T10]      inet6_addr_add+0x30e/0xa40
[ 2154.490806][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2154.490806][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2154.490806][   T10]      netlink_rcv_skb+0x130/0x360
[ 2154.490806][   T10]      netlink_unicast+0x449/0x710
[ 2154.490806][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2154.490806][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2154.490806][   T10]      ___sys_sendmsg+0xee/0x170
[ 2154.490806][   T10]      __sys_sendmsg+0xcd/0x170
[ 2154.490806][   T10]      do_syscall_64+0xc6/0x1e0
[ 2154.490806][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2154.490806][   T10] 
[ 2154.492825][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2154.492825][   T10]      netdev_get_by_index+0x5e/0x80
[ 2154.492825][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2154.492825][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2154.492825][   T10]      ip6_route_add+0x1c/0x140
[ 2154.492825][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2154.492825][   T10]      addrconf_add_dev+0xe2/0x170
[ 2154.492825][   T10]      inet6_addr_add+0x12f/0xa40
[ 2154.492825][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2154.492825][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2154.492825][   T10]      netlink_rcv_skb+0x130/0x360
[ 2154.492825][   T10]      netlink_unicast+0x449/0x710
[ 2154.492825][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2154.492825][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2154.492825][   T10]      ___sys_sendmsg+0xee/0x170
[ 2154.492825][   T10]      __sys_sendmsg+0xcd/0x170
[ 2154.492825][   T10]      do_syscall_64+0xc6/0x1e0
[ 2154.492825][   T10] 
[ 2154.494817][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2154.494817][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2154.494817][   T10]      ipv6_find_idev+0x102/0x170
[ 2154.494817][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2154.494817][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2154.494817][   T10]      netlink_rcv_skb+0x130/0x360
[ 2154.494817][   T10]      netlink_unicast+0x449/0x710
[ 2154.494817][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2154.494817][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2154.494817][   T10]      ___sys_sendmsg+0xee/0x170
[ 2154.494817][   T10]      __sys_sendmsg+0xcd/0x170
[ 2154.494817][   T10]      do_syscall_64+0xc6/0x1e0
[ 2154.494817][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2154.494817][   T10] 
[ 2154.496375][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2154.496375][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2154.496375][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2154.496375][   T10]      ipv6_find_idev+0x102/0x170
[ 2154.496375][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2154.496375][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2154.496375][   T10]      netlink_rcv_skb+0x130/0x360
[ 2154.496375][   T10]      netlink_unicast+0x449/0x710
[ 2154.496375][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2154.496375][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2154.496375][   T10]      ___sys_sendmsg+0xee/0x170
[ 2154.496375][   T10]      __sys_sendmsg+0xcd/0x170
[ 2154.496375][   T10]      do_syscall_64+0xc6/0x1e0
[ 2154.496375][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2154.496375][   T10] 
[ 2164.504768][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2164.505227][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2164.505227][   T10]      netdev_get_by_index+0x5e/0x80
[ 2164.505227][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2164.505227][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2164.505227][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2164.505227][   T10]      ipv6_add_addr+0x411/0x2000
[ 2164.505227][   T10]      inet6_addr_add+0x30e/0xa40
[ 2164.505227][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2164.505227][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2164.505227][   T10]      netlink_rcv_skb+0x130/0x360
[ 2164.505227][   T10]      netlink_unicast+0x449/0x710
[ 2164.505227][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2164.505227][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2164.505227][   T10]      ___sys_sendmsg+0xee/0x170
[ 2164.505227][   T10]      __sys_sendmsg+0xcd/0x170
[ 2164.505227][   T10]      do_syscall_64+0xc6/0x1e0
[ 2164.505227][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2164.505227][   T10] 
[ 2164.507254][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2164.507254][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2164.507254][   T10]      ipv6_find_idev+0x102/0x170
[ 2164.507254][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2164.507254][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2164.507254][   T10]      netlink_rcv_skb+0x130/0x360
[ 2164.507254][   T10]      netlink_unicast+0x449/0x710
[ 2164.507254][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2164.507254][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2164.507254][   T10]      ___sys_sendmsg+0xee/0x170
[ 2164.507254][   T10]      __sys_sendmsg+0xcd/0x170
[ 2164.507254][   T10]      do_syscall_64+0xc6/0x1e0
[ 2164.507254][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2164.507254][   T10] 
[ 2164.508802][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2164.508802][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2164.508802][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2164.508802][   T10]      ipv6_find_idev+0x102/0x170
[ 2164.508802][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2164.508802][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2164.508802][   T10]      netlink_rcv_skb+0x130/0x360
[ 2164.508802][   T10]      netlink_unicast+0x449/0x710
[ 2164.508802][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2164.508802][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2164.508802][   T10]      ___sys_sendmsg+0xee/0x170
[ 2164.508802][   T10]      __sys_sendmsg+0xcd/0x170
[ 2164.508802][   T10]      do_syscall_64+0xc6/0x1e0
[ 2164.508802][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2164.508802][   T10] 
[ 2164.510513][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2164.510784][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2164.510784][   T10]      netdev_get_by_index+0x5e/0x80
[ 2164.510784][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2164.510784][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2164.510784][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2164.510784][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2164.510784][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2164.510784][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2164.510784][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2164.510784][   T10]      addrconf_dad_begin+0x310/0x670
[ 2164.510784][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2164.510784][   T10]      process_one_work+0x84d/0x18a0
[ 2164.510784][   T10]      worker_thread+0x587/0xd30
[ 2164.510784][   T10]      kthread+0x28a/0x350
[ 2164.510784][   T10]      ret_from_fork+0x31/0x70
[ 2164.510784][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2164.510784][   T10] 
[ 2164.512663][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2164.512663][   T10]      netdev_get_by_index+0x5e/0x80
[ 2164.512663][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2164.512663][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2164.512663][   T10]      ip6_route_add+0x1c/0x140
[ 2164.512663][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2164.512663][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2164.512663][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2164.512663][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2164.512663][   T10]      netlink_rcv_skb+0x130/0x360
[ 2164.512663][   T10]      netlink_unicast+0x449/0x710
[ 2164.512663][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2164.512663][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2164.512663][   T10]      ___sys_sendmsg+0xee/0x170
[ 2164.512663][   T10]      __sys_sendmsg+0xcd/0x170
[ 2164.512663][   T10]      do_syscall_64+0xc6/0x1e0
[ 2164.512663][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2164.512663][   T10] 
[ 2164.514717][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2164.514717][   T10]      netdev_get_by_index+0x5e/0x80
[ 2164.514717][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2164.514717][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2164.514717][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2164.514717][   T10]      ipv6_add_addr+0x411/0x2000
[ 2164.514717][   T10]      inet6_addr_add+0x30e/0xa40
[ 2164.514717][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2164.514717][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2164.514717][   T10]      netlink_rcv_skb+0x130/0x360
[ 2164.514717][   T10]      netlink_unicast+0x449/0x710
[ 2164.514717][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2164.514717][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2164.514717][   T10]      ___sys_sendmsg+0xee/0x170
[ 2164.514717][   T10]      __sys_sendmsg+0xcd/0x170
[ 2164.514717][   T10]      do_syscall_64+0xc6/0x1e0
[ 2164.514717][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2164.514717][   T10] 
[ 2164.516714][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2164.516714][   T10]      netdev_get_by_index+0x5e/0x80
[ 2164.516714][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2164.516714][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2164.516714][   T10]      ip6_route_add+0x1c/0x140
[ 2164.516714][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2164.516714][   T10]      addrconf_add_dev+0xe2/0x170
[ 2164.516714][   T10]      inet6_addr_add+0x12f/0xa40
[ 2164.516714][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2164.516714][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2164.516714][   T10]      netlink_rcv_skb+0x130/0x360
[ 2164.516714][   T10]      netlink_unicast+0x449/0x710
[ 2164.516714][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2164.516714][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2164.516714][   T10]      ___sys_sendmsg+0xee/0x170
[ 2164.516714][   T10]      __sys_sendmsg+0xcd/0x170
[ 2164.516714][   T10]      do_syscall_64+0xc6/0x1e0
[ 2164.516714][   T10] 
[ 2164.518672][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2164.518672][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2164.518672][   T10]      ipv6_find_idev+0x102/0x170
[ 2164.518672][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2164.518672][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2164.518672][   T10]      netlink_rcv_skb+0x130/0x360
[ 2164.518672][   T10]      netlink_unicast+0x449/0x710
[ 2164.518672][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2164.518672][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2164.518672][   T10]      ___sys_sendmsg+0xee/0x170
[ 2164.518672][   T10]      __sys_sendmsg+0xcd/0x170
[ 2164.518672][   T10]      do_syscall_64+0xc6/0x1e0
[ 2164.518672][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2164.518672][   T10] 
[ 2164.520208][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2164.520208][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2164.520208][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2164.520208][   T10]      ipv6_find_idev+0x102/0x170
[ 2164.520208][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2164.520208][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2164.520208][   T10]      netlink_rcv_skb+0x130/0x360
[ 2164.520208][   T10]      netlink_unicast+0x449/0x710
[ 2164.520208][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2164.520208][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2164.520208][   T10]      ___sys_sendmsg+0xee/0x170
[ 2164.520208][   T10]      __sys_sendmsg+0xcd/0x170
[ 2164.520208][   T10]      do_syscall_64+0xc6/0x1e0
[ 2164.520208][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2164.520208][   T10] 
[ 2174.768780][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2174.769228][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2174.769228][   T10]      netdev_get_by_index+0x5e/0x80
[ 2174.769228][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2174.769228][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2174.769228][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2174.769228][   T10]      ipv6_add_addr+0x411/0x2000
[ 2174.769228][   T10]      inet6_addr_add+0x30e/0xa40
[ 2174.769228][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2174.769228][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2174.769228][   T10]      netlink_rcv_skb+0x130/0x360
[ 2174.769228][   T10]      netlink_unicast+0x449/0x710
[ 2174.769228][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2174.769228][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2174.769228][   T10]      ___sys_sendmsg+0xee/0x170
[ 2174.769228][   T10]      __sys_sendmsg+0xcd/0x170
[ 2174.769228][   T10]      do_syscall_64+0xc6/0x1e0
[ 2174.769228][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2174.769228][   T10] 
[ 2174.771270][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2174.771270][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2174.771270][   T10]      ipv6_find_idev+0x102/0x170
[ 2174.771270][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2174.771270][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2174.771270][   T10]      netlink_rcv_skb+0x130/0x360
[ 2174.771270][   T10]      netlink_unicast+0x449/0x710
[ 2174.771270][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2174.771270][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2174.771270][   T10]      ___sys_sendmsg+0xee/0x170
[ 2174.771270][   T10]      __sys_sendmsg+0xcd/0x170
[ 2174.771270][   T10]      do_syscall_64+0xc6/0x1e0
[ 2174.771270][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2174.771270][   T10] 
[ 2174.772834][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2174.772834][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2174.772834][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2174.772834][   T10]      ipv6_find_idev+0x102/0x170
[ 2174.772834][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2174.772834][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2174.772834][   T10]      netlink_rcv_skb+0x130/0x360
[ 2174.772834][   T10]      netlink_unicast+0x449/0x710
[ 2174.772834][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2174.772834][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2174.772834][   T10]      ___sys_sendmsg+0xee/0x170
[ 2174.772834][   T10]      __sys_sendmsg+0xcd/0x170
[ 2174.772834][   T10]      do_syscall_64+0xc6/0x1e0
[ 2174.772834][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2174.772834][   T10] 
[ 2174.774533][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2174.774800][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2174.774800][   T10]      netdev_get_by_index+0x5e/0x80
[ 2174.774800][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2174.774800][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2174.774800][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2174.774800][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2174.774800][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2174.774800][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2174.774800][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2174.774800][   T10]      addrconf_dad_begin+0x310/0x670
[ 2174.774800][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2174.774800][   T10]      process_one_work+0x84d/0x18a0
[ 2174.774800][   T10]      worker_thread+0x587/0xd30
[ 2174.774800][   T10]      kthread+0x28a/0x350
[ 2174.774800][   T10]      ret_from_fork+0x31/0x70
[ 2174.774800][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2174.774800][   T10] 
[ 2174.776684][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2174.776684][   T10]      netdev_get_by_index+0x5e/0x80
[ 2174.776684][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2174.776684][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2174.776684][   T10]      ip6_route_add+0x1c/0x140
[ 2174.776684][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2174.776684][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2174.776684][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2174.776684][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2174.776684][   T10]      netlink_rcv_skb+0x130/0x360
[ 2174.776684][   T10]      netlink_unicast+0x449/0x710
[ 2174.776684][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2174.776684][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2174.776684][   T10]      ___sys_sendmsg+0xee/0x170
[ 2174.776684][   T10]      __sys_sendmsg+0xcd/0x170
[ 2174.776684][   T10]      do_syscall_64+0xc6/0x1e0
[ 2174.776684][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2174.776684][   T10] 
[ 2174.778689][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2174.778689][   T10]      netdev_get_by_index+0x5e/0x80
[ 2174.778689][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2174.778689][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2174.778689][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2174.778689][   T10]      ipv6_add_addr+0x411/0x2000
[ 2174.778689][   T10]      inet6_addr_add+0x30e/0xa40
[ 2174.778689][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2174.778689][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2174.778689][   T10]      netlink_rcv_skb+0x130/0x360
[ 2174.778689][   T10]      netlink_unicast+0x449/0x710
[ 2174.778689][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2174.778689][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2174.778689][   T10]      ___sys_sendmsg+0xee/0x170
[ 2174.778689][   T10]      __sys_sendmsg+0xcd/0x170
[ 2174.778689][   T10]      do_syscall_64+0xc6/0x1e0
[ 2174.778689][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2174.778689][   T10] 
[ 2174.780679][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2174.780679][   T10]      netdev_get_by_index+0x5e/0x80
[ 2174.780679][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2174.780679][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2174.780679][   T10]      ip6_route_add+0x1c/0x140
[ 2174.780679][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2174.780679][   T10]      addrconf_add_dev+0xe2/0x170
[ 2174.780679][   T10]      inet6_addr_add+0x12f/0xa40
[ 2174.780679][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2174.780679][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2174.780679][   T10]      netlink_rcv_skb+0x130/0x360
[ 2174.780679][   T10]      netlink_unicast+0x449/0x710
[ 2174.780679][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2174.780679][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2174.780679][   T10]      ___sys_sendmsg+0xee/0x170
[ 2174.780679][   T10]      __sys_sendmsg+0xcd/0x170
[ 2174.780679][   T10]      do_syscall_64+0xc6/0x1e0
[ 2174.780679][   T10] 
[ 2174.782642][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2174.782642][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2174.782642][   T10]      ipv6_find_idev+0x102/0x170
[ 2174.782642][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2174.782642][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2174.782642][   T10]      netlink_rcv_skb+0x130/0x360
[ 2174.782642][   T10]      netlink_unicast+0x449/0x710
[ 2174.782642][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2174.782642][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2174.782642][   T10]      ___sys_sendmsg+0xee/0x170
[ 2174.782642][   T10]      __sys_sendmsg+0xcd/0x170
[ 2174.782642][   T10]      do_syscall_64+0xc6/0x1e0
[ 2174.782642][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2174.782642][   T10] 
[ 2174.784192][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2174.784192][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2174.784192][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2174.784192][   T10]      ipv6_find_idev+0x102/0x170
[ 2174.784192][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2174.784192][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2174.784192][   T10]      netlink_rcv_skb+0x130/0x360
[ 2174.784192][   T10]      netlink_unicast+0x449/0x710
[ 2174.784192][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2174.784192][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2174.784192][   T10]      ___sys_sendmsg+0xee/0x170
[ 2174.784192][   T10]      __sys_sendmsg+0xcd/0x170
[ 2174.784192][   T10]      do_syscall_64+0xc6/0x1e0
[ 2174.784192][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2174.784192][   T10] 
[ 2185.032784][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2185.033183][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2185.033183][   T10]      netdev_get_by_index+0x5e/0x80
[ 2185.033183][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2185.033183][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2185.033183][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2185.033183][   T10]      ipv6_add_addr+0x411/0x2000
[ 2185.033183][   T10]      inet6_addr_add+0x30e/0xa40
[ 2185.033183][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2185.033183][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2185.033183][   T10]      netlink_rcv_skb+0x130/0x360
[ 2185.033183][   T10]      netlink_unicast+0x449/0x710
[ 2185.033183][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2185.033183][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2185.033183][   T10]      ___sys_sendmsg+0xee/0x170
[ 2185.033183][   T10]      __sys_sendmsg+0xcd/0x170
[ 2185.033183][   T10]      do_syscall_64+0xc6/0x1e0
[ 2185.033183][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2185.033183][   T10] 
[ 2185.035213][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2185.035213][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2185.035213][   T10]      ipv6_find_idev+0x102/0x170
[ 2185.035213][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2185.035213][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2185.035213][   T10]      netlink_rcv_skb+0x130/0x360
[ 2185.035213][   T10]      netlink_unicast+0x449/0x710
[ 2185.035213][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2185.035213][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2185.035213][   T10]      ___sys_sendmsg+0xee/0x170
[ 2185.035213][   T10]      __sys_sendmsg+0xcd/0x170
[ 2185.035213][   T10]      do_syscall_64+0xc6/0x1e0
[ 2185.035213][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2185.035213][   T10] 
[ 2185.036781][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2185.036781][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2185.036781][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2185.036781][   T10]      ipv6_find_idev+0x102/0x170
[ 2185.036781][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2185.036781][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2185.036781][   T10]      netlink_rcv_skb+0x130/0x360
[ 2185.036781][   T10]      netlink_unicast+0x449/0x710
[ 2185.036781][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2185.036781][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2185.036781][   T10]      ___sys_sendmsg+0xee/0x170
[ 2185.036781][   T10]      __sys_sendmsg+0xcd/0x170
[ 2185.036781][   T10]      do_syscall_64+0xc6/0x1e0
[ 2185.036781][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2185.036781][   T10] 
[ 2185.038473][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2185.038734][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2185.038734][   T10]      netdev_get_by_index+0x5e/0x80
[ 2185.038734][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2185.038734][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2185.038734][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2185.038734][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2185.038734][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2185.038734][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2185.038734][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2185.038734][   T10]      addrconf_dad_begin+0x310/0x670
[ 2185.038734][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2185.038734][   T10]      process_one_work+0x84d/0x18a0
[ 2185.038734][   T10]      worker_thread+0x587/0xd30
[ 2185.038734][   T10]      kthread+0x28a/0x350
[ 2185.038734][   T10]      ret_from_fork+0x31/0x70
[ 2185.038734][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2185.038734][   T10] 
[ 2185.040622][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2185.040622][   T10]      netdev_get_by_index+0x5e/0x80
[ 2185.040622][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2185.040622][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2185.040622][   T10]      ip6_route_add+0x1c/0x140
[ 2185.040622][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2185.040622][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2185.040622][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2185.040622][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2185.040622][   T10]      netlink_rcv_skb+0x130/0x360
[ 2185.040622][   T10]      netlink_unicast+0x449/0x710
[ 2185.040622][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2185.040622][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2185.040622][   T10]      ___sys_sendmsg+0xee/0x170
[ 2185.040622][   T10]      __sys_sendmsg+0xcd/0x170
[ 2185.040622][   T10]      do_syscall_64+0xc6/0x1e0
[ 2185.040622][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2185.040622][   T10] 
[ 2185.042731][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2185.042731][   T10]      netdev_get_by_index+0x5e/0x80
[ 2185.042731][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2185.042731][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2185.042731][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2185.042731][   T10]      ipv6_add_addr+0x411/0x2000
[ 2185.042731][   T10]      inet6_addr_add+0x30e/0xa40
[ 2185.042731][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2185.042731][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2185.042731][   T10]      netlink_rcv_skb+0x130/0x360
[ 2185.042731][   T10]      netlink_unicast+0x449/0x710
[ 2185.042731][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2185.042731][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2185.042731][   T10]      ___sys_sendmsg+0xee/0x170
[ 2185.042731][   T10]      __sys_sendmsg+0xcd/0x170
[ 2185.042731][   T10]      do_syscall_64+0xc6/0x1e0
[ 2185.042731][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2185.042731][   T10] 
[ 2185.044753][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2185.044753][   T10]      netdev_get_by_index+0x5e/0x80
[ 2185.044753][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2185.044753][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2185.044753][   T10]      ip6_route_add+0x1c/0x140
[ 2185.044753][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2185.044753][   T10]      addrconf_add_dev+0xe2/0x170
[ 2185.044753][   T10]      inet6_addr_add+0x12f/0xa40
[ 2185.044753][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2185.044753][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2185.044753][   T10]      netlink_rcv_skb+0x130/0x360
[ 2185.044753][   T10]      netlink_unicast+0x449/0x710
[ 2185.044753][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2185.044753][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2185.044753][   T10]      ___sys_sendmsg+0xee/0x170
[ 2185.044753][   T10]      __sys_sendmsg+0xcd/0x170
[ 2185.044753][   T10]      do_syscall_64+0xc6/0x1e0
[ 2185.044753][   T10] 
[ 2185.046722][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2185.046722][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2185.046722][   T10]      ipv6_find_idev+0x102/0x170
[ 2185.046722][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2185.046722][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2185.046722][   T10]      netlink_rcv_skb+0x130/0x360
[ 2185.046722][   T10]      netlink_unicast+0x449/0x710
[ 2185.046722][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2185.046722][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2185.046722][   T10]      ___sys_sendmsg+0xee/0x170
[ 2185.046722][   T10]      __sys_sendmsg+0xcd/0x170
[ 2185.046722][   T10]      do_syscall_64+0xc6/0x1e0
[ 2185.046722][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2185.046722][   T10] 
[ 2185.048287][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2185.048287][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2185.048287][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2185.048287][   T10]      ipv6_find_idev+0x102/0x170
[ 2185.048287][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2185.048287][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2185.048287][   T10]      netlink_rcv_skb+0x130/0x360
[ 2185.048287][   T10]      netlink_unicast+0x449/0x710
[ 2185.048287][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2185.048287][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2185.048287][   T10]      ___sys_sendmsg+0xee/0x170
[ 2185.048287][   T10]      __sys_sendmsg+0xcd/0x170
[ 2185.048287][   T10]      do_syscall_64+0xc6/0x1e0
[ 2185.048287][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2185.048287][   T10] 
[ 2195.304740][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2195.305128][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2195.305128][   T10]      netdev_get_by_index+0x5e/0x80
[ 2195.305128][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2195.305128][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2195.305128][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2195.305128][   T10]      ipv6_add_addr+0x411/0x2000
[ 2195.305128][   T10]      inet6_addr_add+0x30e/0xa40
[ 2195.305128][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2195.305128][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2195.305128][   T10]      netlink_rcv_skb+0x130/0x360
[ 2195.305128][   T10]      netlink_unicast+0x449/0x710
[ 2195.305128][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2195.305128][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2195.305128][   T10]      ___sys_sendmsg+0xee/0x170
[ 2195.305128][   T10]      __sys_sendmsg+0xcd/0x170
[ 2195.305128][   T10]      do_syscall_64+0xc6/0x1e0
[ 2195.305128][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2195.305128][   T10] 
[ 2195.307178][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2195.307178][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2195.307178][   T10]      ipv6_find_idev+0x102/0x170
[ 2195.307178][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2195.307178][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2195.307178][   T10]      netlink_rcv_skb+0x130/0x360
[ 2195.307178][   T10]      netlink_unicast+0x449/0x710
[ 2195.307178][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2195.307178][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2195.307178][   T10]      ___sys_sendmsg+0xee/0x170
[ 2195.307178][   T10]      __sys_sendmsg+0xcd/0x170
[ 2195.307178][   T10]      do_syscall_64+0xc6/0x1e0
[ 2195.307178][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2195.307178][   T10] 
[ 2195.308721][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2195.308721][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2195.308721][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2195.308721][   T10]      ipv6_find_idev+0x102/0x170
[ 2195.308721][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2195.308721][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2195.308721][   T10]      netlink_rcv_skb+0x130/0x360
[ 2195.308721][   T10]      netlink_unicast+0x449/0x710
[ 2195.308721][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2195.308721][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2195.308721][   T10]      ___sys_sendmsg+0xee/0x170
[ 2195.308721][   T10]      __sys_sendmsg+0xcd/0x170
[ 2195.308721][   T10]      do_syscall_64+0xc6/0x1e0
[ 2195.308721][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2195.308721][   T10] 
[ 2195.310406][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2195.310669][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2195.310669][   T10]      netdev_get_by_index+0x5e/0x80
[ 2195.310669][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2195.310669][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2195.310669][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2195.310669][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2195.310669][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2195.310669][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2195.310669][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2195.310669][   T10]      addrconf_dad_begin+0x310/0x670
[ 2195.310669][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2195.310669][   T10]      process_one_work+0x84d/0x18a0
[ 2195.310669][   T10]      worker_thread+0x587/0xd30
[ 2195.310669][   T10]      kthread+0x28a/0x350
[ 2195.310669][   T10]      ret_from_fork+0x31/0x70
[ 2195.310669][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2195.310669][   T10] 
[ 2195.312556][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2195.312556][   T10]      netdev_get_by_index+0x5e/0x80
[ 2195.312556][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2195.312556][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2195.312556][   T10]      ip6_route_add+0x1c/0x140
[ 2195.312556][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2195.312556][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2195.312556][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2195.312556][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2195.312556][   T10]      netlink_rcv_skb+0x130/0x360
[ 2195.312556][   T10]      netlink_unicast+0x449/0x710
[ 2195.312556][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2195.312556][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2195.312556][   T10]      ___sys_sendmsg+0xee/0x170
[ 2195.312556][   T10]      __sys_sendmsg+0xcd/0x170
[ 2195.312556][   T10]      do_syscall_64+0xc6/0x1e0
[ 2195.312556][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2195.312556][   T10] 
[ 2195.314598][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2195.314598][   T10]      netdev_get_by_index+0x5e/0x80
[ 2195.314598][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2195.314598][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2195.314598][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2195.314598][   T10]      ipv6_add_addr+0x411/0x2000
[ 2195.314598][   T10]      inet6_addr_add+0x30e/0xa40
[ 2195.314598][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2195.314598][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2195.314598][   T10]      netlink_rcv_skb+0x130/0x360
[ 2195.314598][   T10]      netlink_unicast+0x449/0x710
[ 2195.314598][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2195.314598][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2195.314598][   T10]      ___sys_sendmsg+0xee/0x170
[ 2195.314598][   T10]      __sys_sendmsg+0xcd/0x170
[ 2195.314598][   T10]      do_syscall_64+0xc6/0x1e0
[ 2195.314598][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2195.314598][   T10] 
[ 2195.316603][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2195.316603][   T10]      netdev_get_by_index+0x5e/0x80
[ 2195.316603][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2195.316603][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2195.316603][   T10]      ip6_route_add+0x1c/0x140
[ 2195.316603][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2195.316603][   T10]      addrconf_add_dev+0xe2/0x170
[ 2195.316603][   T10]      inet6_addr_add+0x12f/0xa40
[ 2195.316603][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2195.316603][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2195.316603][   T10]      netlink_rcv_skb+0x130/0x360
[ 2195.316603][   T10]      netlink_unicast+0x449/0x710
[ 2195.316603][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2195.316603][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2195.316603][   T10]      ___sys_sendmsg+0xee/0x170
[ 2195.316603][   T10]      __sys_sendmsg+0xcd/0x170
[ 2195.316603][   T10]      do_syscall_64+0xc6/0x1e0
[ 2195.316603][   T10] 
[ 2195.318564][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2195.318564][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2195.318564][   T10]      ipv6_find_idev+0x102/0x170
[ 2195.318564][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2195.318564][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2195.318564][   T10]      netlink_rcv_skb+0x130/0x360
[ 2195.318564][   T10]      netlink_unicast+0x449/0x710
[ 2195.318564][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2195.318564][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2195.318564][   T10]      ___sys_sendmsg+0xee/0x170
[ 2195.318564][   T10]      __sys_sendmsg+0xcd/0x170
[ 2195.318564][   T10]      do_syscall_64+0xc6/0x1e0
[ 2195.318564][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2195.318564][   T10] 
[ 2195.320109][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2195.320109][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2195.320109][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2195.320109][   T10]      ipv6_find_idev+0x102/0x170
[ 2195.320109][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2195.320109][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2195.320109][   T10]      netlink_rcv_skb+0x130/0x360
[ 2195.320109][   T10]      netlink_unicast+0x449/0x710
[ 2195.320109][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2195.320109][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2195.320109][   T10]      ___sys_sendmsg+0xee/0x170
[ 2195.320109][   T10]      __sys_sendmsg+0xcd/0x170
[ 2195.320109][   T10]      do_syscall_64+0xc6/0x1e0
[ 2195.320109][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2195.320109][   T10] 
[ 2205.344749][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2205.345205][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2205.345205][   T10]      netdev_get_by_index+0x5e/0x80
[ 2205.345205][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2205.345205][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2205.345205][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2205.345205][   T10]      ipv6_add_addr+0x411/0x2000
[ 2205.345205][   T10]      inet6_addr_add+0x30e/0xa40
[ 2205.345205][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2205.345205][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2205.345205][   T10]      netlink_rcv_skb+0x130/0x360
[ 2205.345205][   T10]      netlink_unicast+0x449/0x710
[ 2205.345205][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2205.345205][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2205.345205][   T10]      ___sys_sendmsg+0xee/0x170
[ 2205.345205][   T10]      __sys_sendmsg+0xcd/0x170
[ 2205.345205][   T10]      do_syscall_64+0xc6/0x1e0
[ 2205.345205][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2205.345205][   T10] 
[ 2205.347232][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2205.347232][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2205.347232][   T10]      ipv6_find_idev+0x102/0x170
[ 2205.347232][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2205.347232][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2205.347232][   T10]      netlink_rcv_skb+0x130/0x360
[ 2205.347232][   T10]      netlink_unicast+0x449/0x710
[ 2205.347232][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2205.347232][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2205.347232][   T10]      ___sys_sendmsg+0xee/0x170
[ 2205.347232][   T10]      __sys_sendmsg+0xcd/0x170
[ 2205.347232][   T10]      do_syscall_64+0xc6/0x1e0
[ 2205.347232][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2205.347232][   T10] 
[ 2205.348782][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2205.348782][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2205.348782][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2205.348782][   T10]      ipv6_find_idev+0x102/0x170
[ 2205.348782][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2205.348782][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2205.348782][   T10]      netlink_rcv_skb+0x130/0x360
[ 2205.348782][   T10]      netlink_unicast+0x449/0x710
[ 2205.348782][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2205.348782][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2205.348782][   T10]      ___sys_sendmsg+0xee/0x170
[ 2205.348782][   T10]      __sys_sendmsg+0xcd/0x170
[ 2205.348782][   T10]      do_syscall_64+0xc6/0x1e0
[ 2205.348782][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2205.348782][   T10] 
[ 2205.350485][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2205.350752][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2205.350752][   T10]      netdev_get_by_index+0x5e/0x80
[ 2205.350752][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2205.350752][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2205.350752][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2205.350752][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2205.350752][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2205.350752][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2205.350752][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2205.350752][   T10]      addrconf_dad_begin+0x310/0x670
[ 2205.350752][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2205.350752][   T10]      process_one_work+0x84d/0x18a0
[ 2205.350752][   T10]      worker_thread+0x587/0xd30
[ 2205.350752][   T10]      kthread+0x28a/0x350
[ 2205.350752][   T10]      ret_from_fork+0x31/0x70
[ 2205.350752][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2205.350752][   T10] 
[ 2205.352636][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2205.352636][   T10]      netdev_get_by_index+0x5e/0x80
[ 2205.352636][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2205.352636][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2205.352636][   T10]      ip6_route_add+0x1c/0x140
[ 2205.352636][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2205.352636][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2205.352636][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2205.352636][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2205.352636][   T10]      netlink_rcv_skb+0x130/0x360
[ 2205.352636][   T10]      netlink_unicast+0x449/0x710
[ 2205.352636][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2205.352636][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2205.352636][   T10]      ___sys_sendmsg+0xee/0x170
[ 2205.352636][   T10]      __sys_sendmsg+0xcd/0x170
[ 2205.352636][   T10]      do_syscall_64+0xc6/0x1e0
[ 2205.352636][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2205.352636][   T10] 
[ 2205.354653][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2205.354653][   T10]      netdev_get_by_index+0x5e/0x80
[ 2205.354653][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2205.354653][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2205.354653][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2205.354653][   T10]      ipv6_add_addr+0x411/0x2000
[ 2205.354653][   T10]      inet6_addr_add+0x30e/0xa40
[ 2205.354653][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2205.354653][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2205.354653][   T10]      netlink_rcv_skb+0x130/0x360
[ 2205.354653][   T10]      netlink_unicast+0x449/0x710
[ 2205.354653][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2205.354653][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2205.354653][   T10]      ___sys_sendmsg+0xee/0x170
[ 2205.354653][   T10]      __sys_sendmsg+0xcd/0x170
[ 2205.354653][   T10]      do_syscall_64+0xc6/0x1e0
[ 2205.354653][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2205.354653][   T10] 
[ 2205.356664][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2205.356664][   T10]      netdev_get_by_index+0x5e/0x80
[ 2205.356664][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2205.356664][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2205.356664][   T10]      ip6_route_add+0x1c/0x140
[ 2205.356664][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2205.356664][   T10]      addrconf_add_dev+0xe2/0x170
[ 2205.356664][   T10]      inet6_addr_add+0x12f/0xa40
[ 2205.356664][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2205.356664][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2205.356664][   T10]      netlink_rcv_skb+0x130/0x360
[ 2205.356664][   T10]      netlink_unicast+0x449/0x710
[ 2205.356664][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2205.356664][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2205.356664][   T10]      ___sys_sendmsg+0xee/0x170
[ 2205.356664][   T10]      __sys_sendmsg+0xcd/0x170
[ 2205.356664][   T10]      do_syscall_64+0xc6/0x1e0
[ 2205.356664][   T10] 
[ 2205.358630][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2205.358630][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2205.358630][   T10]      ipv6_find_idev+0x102/0x170
[ 2205.358630][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2205.358630][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2205.358630][   T10]      netlink_rcv_skb+0x130/0x360
[ 2205.358630][   T10]      netlink_unicast+0x449/0x710
[ 2205.358630][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2205.358630][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2205.358630][   T10]      ___sys_sendmsg+0xee/0x170
[ 2205.358630][   T10]      __sys_sendmsg+0xcd/0x170
[ 2205.358630][   T10]      do_syscall_64+0xc6/0x1e0
[ 2205.358630][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2205.358630][   T10] 
[ 2205.360177][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2205.360177][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2205.360177][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2205.360177][   T10]      ipv6_find_idev+0x102/0x170
[ 2205.360177][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2205.360177][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2205.360177][   T10]      netlink_rcv_skb+0x130/0x360
[ 2205.360177][   T10]      netlink_unicast+0x449/0x710
[ 2205.360177][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2205.360177][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2205.360177][   T10]      ___sys_sendmsg+0xee/0x170
[ 2205.360177][   T10]      __sys_sendmsg+0xcd/0x170
[ 2205.360177][   T10]      do_syscall_64+0xc6/0x1e0
[ 2205.360177][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2205.360177][   T10] 
[ 2213.160779][   T42] INFO: task modprobe:8169 blocked for more than 1105 seconds.
[ 2213.161073][   T42]       Not tainted 6.8.0-virtme #1
[ 2213.161200][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 2213.161398][   T42] task:modprobe        state:D stack:25648 pid:8169  tgid:8169  ppid:39     flags:0x00004002
[ 2213.161679][   T42] Call Trace:
[ 2213.161780][   T42]  <TASK>
[ 2213.161853][   T42]  __schedule+0x705/0x1ac0
[ 2213.161990][   T42]  ? __pfx___schedule+0x10/0x10
[ 2213.162119][   T42]  ? schedule+0x1a5/0x210
[ 2213.162216][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2213.162348][   T42]  ? mark_lock+0x38/0x3e0
[ 2213.162443][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 2213.162575][   T42]  ? schedule+0x1a5/0x210
[ 2213.162705][   T42]  schedule+0xdf/0x210
[ 2213.162801][   T42]  schedule_preempt_disabled+0x15/0x30
[ 2213.162928][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[ 2213.163061][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 2213.163213][   T42]  ? kasan_save_stack+0x34/0x50
[ 2213.163338][   T42]  ? kasan_save_stack+0x24/0x50
[ 2213.163462][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2213.163598][   T42]  ? lock_acquire+0x1c1/0x220
[ 2213.163735][   T42]  ? register_pernet_subsys+0x1a/0x50
[ 2213.163869][   T42]  down_write+0x1c9/0x200
[ 2213.163964][   T42]  ? __pfx_down_write+0x10/0x10
[ 2213.164087][   T42]  ? __pfx___lock_release+0x10/0x10
[ 2213.164218][   T42]  ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables]
[ 2213.164412][   T42]  register_pernet_subsys+0x1a/0x50
[ 2213.164539][   T42]  nf_tables_module_init+0x17/0x100 [nf_tables]
[ 2213.164734][   T42]  do_one_initcall+0xc8/0x3f0
[ 2213.164861][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[ 2213.164987][   T42]  ? __create_object+0x5e/0xb0
[ 2213.165115][   T42]  ? kasan_unpoison+0x27/0x60
[ 2213.165243][   T42]  do_init_module+0x233/0x740
[ 2213.165382][   T42]  load_module+0x16b5/0x2350
[ 2213.165517][   T42]  ? __pfx_load_module+0x10/0x10
[ 2213.165659][   T42]  ? kernel_read_file+0x3d2/0x520
[ 2213.165792][   T42]  ? kernel_read_file+0x300/0x520
[ 2213.165924][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[ 2213.166055][   T42]  ? init_module_from_file+0xd2/0x130
[ 2213.166180][   T42]  init_module_from_file+0xd2/0x130
[ 2213.166303][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[ 2213.166458][   T42]  ? __lock_release+0x103/0x460
[ 2213.166581][   T42]  ? idempotent_init_module+0x32a/0x620
[ 2213.166723][   T42]  ? idempotent_init_module+0x32a/0x620
[ 2213.166850][   T42]  ? do_raw_spin_unlock+0x58/0x220
[ 2213.166983][   T42]  idempotent_init_module+0x342/0x620
[ 2213.167108][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 2213.167279][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 2213.167405][   T42]  do_syscall_64+0xc6/0x1e0
[ 2213.167536][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2213.167699][   T42] RIP: 0033:0x7f8894ecfe5d
[ 2213.167831][   T42] RSP: 002b:00007ffc02fe9148 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 2213.168019][   T42] RAX: ffffffffffffffda RBX: 0000561734795e90 RCX: 00007f8894ecfe5d
[ 2213.168204][   T42] RDX: 0000000000000000 RSI: 000056171fd7ca2a RDI: 0000000000000001
[ 2213.168384][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00005617347964f0
[ 2213.168571][   T42] R10: 0000000000000001 R11: 0000000000000246 R12: 000056171fd7ca2a
[ 2213.168764][   T42] R13: 0000561734795e40 R14: 0000561734796570 R15: 0000000000000000
[ 2213.168959][   T42]  </TASK>
[ 2213.169053][   T42] 
[ 2213.169053][   T42] Showing all locks held in the system:
[ 2213.169230][   T42] 3 locks held by kworker/u16:0/10:
[ 2213.169353][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 2213.169601][   T42]  #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 2213.169841][   T42]  #2: ffffffff9816a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[ 2213.170077][   T42] 2 locks held by kworker/u20:0/39:
[ 2213.170203][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 2213.170447][   T42]  #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 2213.170734][   T42] 1 lock held by khungtaskd/42:
[ 2213.170851][   T42]  #0: ffffffff979591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[ 2213.171079][   T42] 1 lock held by modprobe/8169:
[ 2213.171196][   T42]  #0: ffffffff9816a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[ 2213.171442][   T42] 
[ 2213.171504][   T42] =============================================
[ 2213.171504][   T42] 
[ 2215.600779][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2215.601241][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2215.601241][   T10]      netdev_get_by_index+0x5e/0x80
[ 2215.601241][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2215.601241][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2215.601241][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2215.601241][   T10]      ipv6_add_addr+0x411/0x2000
[ 2215.601241][   T10]      inet6_addr_add+0x30e/0xa40
[ 2215.601241][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2215.601241][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2215.601241][   T10]      netlink_rcv_skb+0x130/0x360
[ 2215.601241][   T10]      netlink_unicast+0x449/0x710
[ 2215.601241][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2215.601241][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2215.601241][   T10]      ___sys_sendmsg+0xee/0x170
[ 2215.601241][   T10]      __sys_sendmsg+0xcd/0x170
[ 2215.601241][   T10]      do_syscall_64+0xc6/0x1e0
[ 2215.601241][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2215.601241][   T10] 
[ 2215.603293][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2215.603293][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2215.603293][   T10]      ipv6_find_idev+0x102/0x170
[ 2215.603293][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2215.603293][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2215.603293][   T10]      netlink_rcv_skb+0x130/0x360
[ 2215.603293][   T10]      netlink_unicast+0x449/0x710
[ 2215.603293][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2215.603293][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2215.603293][   T10]      ___sys_sendmsg+0xee/0x170
[ 2215.603293][   T10]      __sys_sendmsg+0xcd/0x170
[ 2215.603293][   T10]      do_syscall_64+0xc6/0x1e0
[ 2215.603293][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2215.603293][   T10] 
[ 2215.604847][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2215.604847][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2215.604847][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2215.604847][   T10]      ipv6_find_idev+0x102/0x170
[ 2215.604847][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2215.604847][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2215.604847][   T10]      netlink_rcv_skb+0x130/0x360
[ 2215.604847][   T10]      netlink_unicast+0x449/0x710
[ 2215.604847][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2215.604847][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2215.604847][   T10]      ___sys_sendmsg+0xee/0x170
[ 2215.604847][   T10]      __sys_sendmsg+0xcd/0x170
[ 2215.604847][   T10]      do_syscall_64+0xc6/0x1e0
[ 2215.604847][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2215.604847][   T10] 
[ 2215.606539][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2215.606807][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2215.606807][   T10]      netdev_get_by_index+0x5e/0x80
[ 2215.606807][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2215.606807][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2215.606807][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2215.606807][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2215.606807][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2215.606807][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2215.606807][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2215.606807][   T10]      addrconf_dad_begin+0x310/0x670
[ 2215.606807][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2215.606807][   T10]      process_one_work+0x84d/0x18a0
[ 2215.606807][   T10]      worker_thread+0x587/0xd30
[ 2215.606807][   T10]      kthread+0x28a/0x350
[ 2215.606807][   T10]      ret_from_fork+0x31/0x70
[ 2215.606807][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2215.606807][   T10] 
[ 2215.608685][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2215.608685][   T10]      netdev_get_by_index+0x5e/0x80
[ 2215.608685][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2215.608685][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2215.608685][   T10]      ip6_route_add+0x1c/0x140
[ 2215.608685][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2215.608685][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2215.608685][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2215.608685][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2215.608685][   T10]      netlink_rcv_skb+0x130/0x360
[ 2215.608685][   T10]      netlink_unicast+0x449/0x710
[ 2215.608685][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2215.608685][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2215.608685][   T10]      ___sys_sendmsg+0xee/0x170
[ 2215.608685][   T10]      __sys_sendmsg+0xcd/0x170
[ 2215.608685][   T10]      do_syscall_64+0xc6/0x1e0
[ 2215.608685][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2215.608685][   T10] 
[ 2215.610688][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2215.610688][   T10]      netdev_get_by_index+0x5e/0x80
[ 2215.610688][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2215.610688][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2215.610688][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2215.610688][   T10]      ipv6_add_addr+0x411/0x2000
[ 2215.610688][   T10]      inet6_addr_add+0x30e/0xa40
[ 2215.610688][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2215.610688][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2215.610688][   T10]      netlink_rcv_skb+0x130/0x360
[ 2215.610688][   T10]      netlink_unicast+0x449/0x710
[ 2215.610688][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2215.610688][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2215.610688][   T10]      ___sys_sendmsg+0xee/0x170
[ 2215.610688][   T10]      __sys_sendmsg+0xcd/0x170
[ 2215.610688][   T10]      do_syscall_64+0xc6/0x1e0
[ 2215.610688][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2215.610688][   T10] 
[ 2215.612704][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2215.612704][   T10]      netdev_get_by_index+0x5e/0x80
[ 2215.612704][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2215.612704][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2215.612704][   T10]      ip6_route_add+0x1c/0x140
[ 2215.612704][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2215.612704][   T10]      addrconf_add_dev+0xe2/0x170
[ 2215.612704][   T10]      inet6_addr_add+0x12f/0xa40
[ 2215.612704][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2215.612704][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2215.612704][   T10]      netlink_rcv_skb+0x130/0x360
[ 2215.612704][   T10]      netlink_unicast+0x449/0x710
[ 2215.612704][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2215.612704][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2215.612704][   T10]      ___sys_sendmsg+0xee/0x170
[ 2215.612704][   T10]      __sys_sendmsg+0xcd/0x170
[ 2215.612704][   T10]      do_syscall_64+0xc6/0x1e0
[ 2215.612704][   T10] 
[ 2215.614660][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2215.614660][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2215.614660][   T10]      ipv6_find_idev+0x102/0x170
[ 2215.614660][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2215.614660][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2215.614660][   T10]      netlink_rcv_skb+0x130/0x360
[ 2215.614660][   T10]      netlink_unicast+0x449/0x710
[ 2215.614660][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2215.614660][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2215.614660][   T10]      ___sys_sendmsg+0xee/0x170
[ 2215.614660][   T10]      __sys_sendmsg+0xcd/0x170
[ 2215.614660][   T10]      do_syscall_64+0xc6/0x1e0
[ 2215.614660][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2215.614660][   T10] 
[ 2215.616198][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2215.616198][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2215.616198][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2215.616198][   T10]      ipv6_find_idev+0x102/0x170
[ 2215.616198][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2215.616198][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2215.616198][   T10]      netlink_rcv_skb+0x130/0x360
[ 2215.616198][   T10]      netlink_unicast+0x449/0x710
[ 2215.616198][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2215.616198][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2215.616198][   T10]      ___sys_sendmsg+0xee/0x170
[ 2215.616198][   T10]      __sys_sendmsg+0xcd/0x170
[ 2215.616198][   T10]      do_syscall_64+0xc6/0x1e0
[ 2215.616198][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2215.616198][   T10] 
[ 2225.864753][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2225.865150][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2225.865150][   T10]      netdev_get_by_index+0x5e/0x80
[ 2225.865150][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2225.865150][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2225.865150][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2225.865150][   T10]      ipv6_add_addr+0x411/0x2000
[ 2225.865150][   T10]      inet6_addr_add+0x30e/0xa40
[ 2225.865150][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2225.865150][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2225.865150][   T10]      netlink_rcv_skb+0x130/0x360
[ 2225.865150][   T10]      netlink_unicast+0x449/0x710
[ 2225.865150][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2225.865150][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2225.865150][   T10]      ___sys_sendmsg+0xee/0x170
[ 2225.865150][   T10]      __sys_sendmsg+0xcd/0x170
[ 2225.865150][   T10]      do_syscall_64+0xc6/0x1e0
[ 2225.865150][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2225.865150][   T10] 
[ 2225.867184][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2225.867184][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2225.867184][   T10]      ipv6_find_idev+0x102/0x170
[ 2225.867184][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2225.867184][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2225.867184][   T10]      netlink_rcv_skb+0x130/0x360
[ 2225.867184][   T10]      netlink_unicast+0x449/0x710
[ 2225.867184][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2225.867184][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2225.867184][   T10]      ___sys_sendmsg+0xee/0x170
[ 2225.867184][   T10]      __sys_sendmsg+0xcd/0x170
[ 2225.867184][   T10]      do_syscall_64+0xc6/0x1e0
[ 2225.867184][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2225.867184][   T10] 
[ 2225.868731][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2225.868731][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2225.868731][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2225.868731][   T10]      ipv6_find_idev+0x102/0x170
[ 2225.868731][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2225.868731][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2225.868731][   T10]      netlink_rcv_skb+0x130/0x360
[ 2225.868731][   T10]      netlink_unicast+0x449/0x710
[ 2225.868731][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2225.868731][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2225.868731][   T10]      ___sys_sendmsg+0xee/0x170
[ 2225.868731][   T10]      __sys_sendmsg+0xcd/0x170
[ 2225.868731][   T10]      do_syscall_64+0xc6/0x1e0
[ 2225.868731][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2225.868731][   T10] 
[ 2225.870419][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2225.870679][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2225.870679][   T10]      netdev_get_by_index+0x5e/0x80
[ 2225.870679][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2225.870679][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2225.870679][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2225.870679][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2225.870679][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2225.870679][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2225.870679][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2225.870679][   T10]      addrconf_dad_begin+0x310/0x670
[ 2225.870679][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2225.870679][   T10]      process_one_work+0x84d/0x18a0
[ 2225.870679][   T10]      worker_thread+0x587/0xd30
[ 2225.870679][   T10]      kthread+0x28a/0x350
[ 2225.870679][   T10]      ret_from_fork+0x31/0x70
[ 2225.870679][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2225.870679][   T10] 
[ 2225.872578][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2225.872578][   T10]      netdev_get_by_index+0x5e/0x80
[ 2225.872578][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2225.872578][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2225.872578][   T10]      ip6_route_add+0x1c/0x140
[ 2225.872578][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2225.872578][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2225.872578][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2225.872578][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2225.872578][   T10]      netlink_rcv_skb+0x130/0x360
[ 2225.872578][   T10]      netlink_unicast+0x449/0x710
[ 2225.872578][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2225.872578][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2225.872578][   T10]      ___sys_sendmsg+0xee/0x170
[ 2225.872578][   T10]      __sys_sendmsg+0xcd/0x170
[ 2225.872578][   T10]      do_syscall_64+0xc6/0x1e0
[ 2225.872578][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2225.872578][   T10] 
[ 2225.874598][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2225.874598][   T10]      netdev_get_by_index+0x5e/0x80
[ 2225.874598][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2225.874598][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2225.874598][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2225.874598][   T10]      ipv6_add_addr+0x411/0x2000
[ 2225.874598][   T10]      inet6_addr_add+0x30e/0xa40
[ 2225.874598][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2225.874598][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2225.874598][   T10]      netlink_rcv_skb+0x130/0x360
[ 2225.874598][   T10]      netlink_unicast+0x449/0x710
[ 2225.874598][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2225.874598][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2225.874598][   T10]      ___sys_sendmsg+0xee/0x170
[ 2225.874598][   T10]      __sys_sendmsg+0xcd/0x170
[ 2225.874598][   T10]      do_syscall_64+0xc6/0x1e0
[ 2225.874598][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2225.874598][   T10] 
[ 2225.876597][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2225.876597][   T10]      netdev_get_by_index+0x5e/0x80
[ 2225.876597][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2225.876597][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2225.876597][   T10]      ip6_route_add+0x1c/0x140
[ 2225.876597][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2225.876597][   T10]      addrconf_add_dev+0xe2/0x170
[ 2225.876597][   T10]      inet6_addr_add+0x12f/0xa40
[ 2225.876597][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2225.876597][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2225.876597][   T10]      netlink_rcv_skb+0x130/0x360
[ 2225.876597][   T10]      netlink_unicast+0x449/0x710
[ 2225.876597][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2225.876597][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2225.876597][   T10]      ___sys_sendmsg+0xee/0x170
[ 2225.876597][   T10]      __sys_sendmsg+0xcd/0x170
[ 2225.876597][   T10]      do_syscall_64+0xc6/0x1e0
[ 2225.876597][   T10] 
[ 2225.878563][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2225.878563][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2225.878563][   T10]      ipv6_find_idev+0x102/0x170
[ 2225.878563][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2225.878563][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2225.878563][   T10]      netlink_rcv_skb+0x130/0x360
[ 2225.878563][   T10]      netlink_unicast+0x449/0x710
[ 2225.878563][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2225.878563][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2225.878563][   T10]      ___sys_sendmsg+0xee/0x170
[ 2225.878563][   T10]      __sys_sendmsg+0xcd/0x170
[ 2225.878563][   T10]      do_syscall_64+0xc6/0x1e0
[ 2225.878563][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2225.878563][   T10] 
[ 2225.880110][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2225.880110][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2225.880110][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2225.880110][   T10]      ipv6_find_idev+0x102/0x170
[ 2225.880110][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2225.880110][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2225.880110][   T10]      netlink_rcv_skb+0x130/0x360
[ 2225.880110][   T10]      netlink_unicast+0x449/0x710
[ 2225.880110][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2225.880110][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2225.880110][   T10]      ___sys_sendmsg+0xee/0x170
[ 2225.880110][   T10]      __sys_sendmsg+0xcd/0x170
[ 2225.880110][   T10]      do_syscall_64+0xc6/0x1e0
[ 2225.880110][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2225.880110][   T10] 
[ 2236.104756][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2236.105239][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2236.105239][   T10]      netdev_get_by_index+0x5e/0x80
[ 2236.105239][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2236.105239][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2236.105239][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2236.105239][   T10]      ipv6_add_addr+0x411/0x2000
[ 2236.105239][   T10]      inet6_addr_add+0x30e/0xa40
[ 2236.105239][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2236.105239][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2236.105239][   T10]      netlink_rcv_skb+0x130/0x360
[ 2236.105239][   T10]      netlink_unicast+0x449/0x710
[ 2236.105239][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2236.105239][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2236.105239][   T10]      ___sys_sendmsg+0xee/0x170
[ 2236.105239][   T10]      __sys_sendmsg+0xcd/0x170
[ 2236.105239][   T10]      do_syscall_64+0xc6/0x1e0
[ 2236.105239][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2236.105239][   T10] 
[ 2236.107298][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2236.107298][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2236.107298][   T10]      ipv6_find_idev+0x102/0x170
[ 2236.107298][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2236.107298][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2236.107298][   T10]      netlink_rcv_skb+0x130/0x360
[ 2236.107298][   T10]      netlink_unicast+0x449/0x710
[ 2236.107298][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2236.107298][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2236.107298][   T10]      ___sys_sendmsg+0xee/0x170
[ 2236.107298][   T10]      __sys_sendmsg+0xcd/0x170
[ 2236.107298][   T10]      do_syscall_64+0xc6/0x1e0
[ 2236.107298][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2236.107298][   T10] 
[ 2236.108862][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2236.108862][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2236.108862][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2236.108862][   T10]      ipv6_find_idev+0x102/0x170
[ 2236.108862][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2236.108862][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2236.108862][   T10]      netlink_rcv_skb+0x130/0x360
[ 2236.108862][   T10]      netlink_unicast+0x449/0x710
[ 2236.108862][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2236.108862][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2236.108862][   T10]      ___sys_sendmsg+0xee/0x170
[ 2236.108862][   T10]      __sys_sendmsg+0xcd/0x170
[ 2236.108862][   T10]      do_syscall_64+0xc6/0x1e0
[ 2236.108862][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2236.108862][   T10] 
[ 2236.110587][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2236.110857][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2236.110857][   T10]      netdev_get_by_index+0x5e/0x80
[ 2236.110857][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2236.110857][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2236.110857][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2236.110857][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2236.110857][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2236.110857][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2236.110857][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2236.110857][   T10]      addrconf_dad_begin+0x310/0x670
[ 2236.110857][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2236.110857][   T10]      process_one_work+0x84d/0x18a0
[ 2236.110857][   T10]      worker_thread+0x587/0xd30
[ 2236.110857][   T10]      kthread+0x28a/0x350
[ 2236.110857][   T10]      ret_from_fork+0x31/0x70
[ 2236.110857][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2236.110857][   T10] 
[ 2236.112786][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2236.112786][   T10]      netdev_get_by_index+0x5e/0x80
[ 2236.112786][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2236.112786][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2236.112786][   T10]      ip6_route_add+0x1c/0x140
[ 2236.112786][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2236.112786][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2236.112786][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2236.112786][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2236.112786][   T10]      netlink_rcv_skb+0x130/0x360
[ 2236.112786][   T10]      netlink_unicast+0x449/0x710
[ 2236.112786][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2236.112786][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2236.112786][   T10]      ___sys_sendmsg+0xee/0x170
[ 2236.112786][   T10]      __sys_sendmsg+0xcd/0x170
[ 2236.112786][   T10]      do_syscall_64+0xc6/0x1e0
[ 2236.112786][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2236.112786][   T10] 
[ 2236.114802][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2236.114802][   T10]      netdev_get_by_index+0x5e/0x80
[ 2236.114802][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2236.114802][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2236.114802][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2236.114802][   T10]      ipv6_add_addr+0x411/0x2000
[ 2236.114802][   T10]      inet6_addr_add+0x30e/0xa40
[ 2236.114802][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2236.114802][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2236.114802][   T10]      netlink_rcv_skb+0x130/0x360
[ 2236.114802][   T10]      netlink_unicast+0x449/0x710
[ 2236.114802][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2236.114802][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2236.114802][   T10]      ___sys_sendmsg+0xee/0x170
[ 2236.114802][   T10]      __sys_sendmsg+0xcd/0x170
[ 2236.114802][   T10]      do_syscall_64+0xc6/0x1e0
[ 2236.114802][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2236.114802][   T10] 
[ 2236.116820][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2236.116820][   T10]      netdev_get_by_index+0x5e/0x80
[ 2236.116820][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2236.116820][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2236.116820][   T10]      ip6_route_add+0x1c/0x140
[ 2236.116820][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2236.116820][   T10]      addrconf_add_dev+0xe2/0x170
[ 2236.116820][   T10]      inet6_addr_add+0x12f/0xa40
[ 2236.116820][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2236.116820][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2236.116820][   T10]      netlink_rcv_skb+0x130/0x360
[ 2236.116820][   T10]      netlink_unicast+0x449/0x710
[ 2236.116820][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2236.116820][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2236.116820][   T10]      ___sys_sendmsg+0xee/0x170
[ 2236.116820][   T10]      __sys_sendmsg+0xcd/0x170
[ 2236.116820][   T10]      do_syscall_64+0xc6/0x1e0
[ 2236.116820][   T10] 
[ 2236.118810][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2236.118810][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2236.118810][   T10]      ipv6_find_idev+0x102/0x170
[ 2236.118810][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2236.118810][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2236.118810][   T10]      netlink_rcv_skb+0x130/0x360
[ 2236.118810][   T10]      netlink_unicast+0x449/0x710
[ 2236.118810][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2236.118810][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2236.118810][   T10]      ___sys_sendmsg+0xee/0x170
[ 2236.118810][   T10]      __sys_sendmsg+0xcd/0x170
[ 2236.118810][   T10]      do_syscall_64+0xc6/0x1e0
[ 2236.118810][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2236.118810][   T10] 
[ 2236.120360][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2236.120360][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2236.120360][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2236.120360][   T10]      ipv6_find_idev+0x102/0x170
[ 2236.120360][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2236.120360][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2236.120360][   T10]      netlink_rcv_skb+0x130/0x360
[ 2236.120360][   T10]      netlink_unicast+0x449/0x710
[ 2236.120360][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2236.120360][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2236.120360][   T10]      ___sys_sendmsg+0xee/0x170
[ 2236.120360][   T10]      __sys_sendmsg+0xcd/0x170
[ 2236.120360][   T10]      do_syscall_64+0xc6/0x1e0
[ 2236.120360][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2236.120360][   T10] 
[ 2246.360733][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2246.361224][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2246.361224][   T10]      netdev_get_by_index+0x5e/0x80
[ 2246.361224][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2246.361224][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2246.361224][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2246.361224][   T10]      ipv6_add_addr+0x411/0x2000
[ 2246.361224][   T10]      inet6_addr_add+0x30e/0xa40
[ 2246.361224][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2246.361224][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2246.361224][   T10]      netlink_rcv_skb+0x130/0x360
[ 2246.361224][   T10]      netlink_unicast+0x449/0x710
[ 2246.361224][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2246.361224][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2246.361224][   T10]      ___sys_sendmsg+0xee/0x170
[ 2246.361224][   T10]      __sys_sendmsg+0xcd/0x170
[ 2246.361224][   T10]      do_syscall_64+0xc6/0x1e0
[ 2246.361224][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2246.361224][   T10] 
[ 2246.363994][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2246.363994][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2246.363994][   T10]      ipv6_find_idev+0x102/0x170
[ 2246.363994][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2246.363994][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2246.363994][   T10]      netlink_rcv_skb+0x130/0x360
[ 2246.363994][   T10]      netlink_unicast+0x449/0x710
[ 2246.363994][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2246.363994][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2246.363994][   T10]      ___sys_sendmsg+0xee/0x170
[ 2246.363994][   T10]      __sys_sendmsg+0xcd/0x170
[ 2246.363994][   T10]      do_syscall_64+0xc6/0x1e0
[ 2246.363994][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2246.363994][   T10] 
[ 2246.366088][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2246.366088][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2246.366088][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2246.366088][   T10]      ipv6_find_idev+0x102/0x170
[ 2246.366088][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2246.366088][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2246.366088][   T10]      netlink_rcv_skb+0x130/0x360
[ 2246.366088][   T10]      netlink_unicast+0x449/0x710
[ 2246.366088][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2246.366088][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2246.366088][   T10]      ___sys_sendmsg+0xee/0x170
[ 2246.366088][   T10]      __sys_sendmsg+0xcd/0x170
[ 2246.366088][   T10]      do_syscall_64+0xc6/0x1e0
[ 2246.366088][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2246.366088][   T10] 
[ 2246.368303][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2246.368565][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2246.368565][   T10]      netdev_get_by_index+0x5e/0x80
[ 2246.368565][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2246.368565][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2246.368565][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2246.368565][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2246.368565][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2246.368565][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2246.368565][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2246.368565][   T10]      addrconf_dad_begin+0x310/0x670
[ 2246.368565][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2246.368565][   T10]      process_one_work+0x84d/0x18a0
[ 2246.368565][   T10]      worker_thread+0x587/0xd30
[ 2246.368565][   T10]      kthread+0x28a/0x350
[ 2246.368565][   T10]      ret_from_fork+0x31/0x70
[ 2246.368565][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2246.368565][   T10] 
[ 2246.370475][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2246.370475][   T10]      netdev_get_by_index+0x5e/0x80
[ 2246.370475][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2246.370475][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2246.370475][   T10]      ip6_route_add+0x1c/0x140
[ 2246.370475][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2246.370475][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2246.370475][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2246.370475][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2246.370475][   T10]      netlink_rcv_skb+0x130/0x360
[ 2246.370475][   T10]      netlink_unicast+0x449/0x710
[ 2246.370475][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2246.370475][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2246.370475][   T10]      ___sys_sendmsg+0xee/0x170
[ 2246.370475][   T10]      __sys_sendmsg+0xcd/0x170
[ 2246.370475][   T10]      do_syscall_64+0xc6/0x1e0
[ 2246.370475][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2246.370475][   T10] 
[ 2246.372517][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2246.372517][   T10]      netdev_get_by_index+0x5e/0x80
[ 2246.372517][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2246.372517][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2246.372517][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2246.372517][   T10]      ipv6_add_addr+0x411/0x2000
[ 2246.372517][   T10]      inet6_addr_add+0x30e/0xa40
[ 2246.372517][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2246.372517][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2246.372517][   T10]      netlink_rcv_skb+0x130/0x360
[ 2246.372517][   T10]      netlink_unicast+0x449/0x710
[ 2246.372517][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2246.372517][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2246.372517][   T10]      ___sys_sendmsg+0xee/0x170
[ 2246.372517][   T10]      __sys_sendmsg+0xcd/0x170
[ 2246.372517][   T10]      do_syscall_64+0xc6/0x1e0
[ 2246.372517][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2246.372517][   T10] 
[ 2246.374767][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2246.374767][   T10]      netdev_get_by_index+0x5e/0x80
[ 2246.374767][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2246.374767][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2246.374767][   T10]      ip6_route_add+0x1c/0x140
[ 2246.374767][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2246.374767][   T10]      addrconf_add_dev+0xe2/0x170
[ 2246.374767][   T10]      inet6_addr_add+0x12f/0xa40
[ 2246.374767][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2246.374767][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2246.374767][   T10]      netlink_rcv_skb+0x130/0x360
[ 2246.374767][   T10]      netlink_unicast+0x449/0x710
[ 2246.374767][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2246.374767][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2246.374767][   T10]      ___sys_sendmsg+0xee/0x170
[ 2246.374767][   T10]      __sys_sendmsg+0xcd/0x170
[ 2246.374767][   T10]      do_syscall_64+0xc6/0x1e0
[ 2246.374767][   T10] 
[ 2246.377224][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2246.377224][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2246.377224][   T10]      ipv6_find_idev+0x102/0x170
[ 2246.377224][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2246.377224][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2246.377224][   T10]      netlink_rcv_skb+0x130/0x360
[ 2246.377224][   T10]      netlink_unicast+0x449/0x710
[ 2246.377224][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2246.377224][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2246.377224][   T10]      ___sys_sendmsg+0xee/0x170
[ 2246.377224][   T10]      __sys_sendmsg+0xcd/0x170
[ 2246.377224][   T10]      do_syscall_64+0xc6/0x1e0
[ 2246.377224][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2246.377224][   T10] 
[ 2246.379221][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2246.379221][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2246.379221][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2246.379221][   T10]      ipv6_find_idev+0x102/0x170
[ 2246.379221][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2246.379221][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2246.379221][   T10]      netlink_rcv_skb+0x130/0x360
[ 2246.379221][   T10]      netlink_unicast+0x449/0x710
[ 2246.379221][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2246.379221][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2246.379221][   T10]      ___sys_sendmsg+0xee/0x170
[ 2246.379221][   T10]      __sys_sendmsg+0xcd/0x170
[ 2246.379221][   T10]      do_syscall_64+0xc6/0x1e0
[ 2246.379221][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2246.379221][   T10] 
[ 2256.616768][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2256.617250][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2256.617250][   T10]      netdev_get_by_index+0x5e/0x80
[ 2256.617250][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2256.617250][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2256.617250][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2256.617250][   T10]      ipv6_add_addr+0x411/0x2000
[ 2256.617250][   T10]      inet6_addr_add+0x30e/0xa40
[ 2256.617250][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2256.617250][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2256.617250][   T10]      netlink_rcv_skb+0x130/0x360
[ 2256.617250][   T10]      netlink_unicast+0x449/0x710
[ 2256.617250][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2256.617250][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2256.617250][   T10]      ___sys_sendmsg+0xee/0x170
[ 2256.617250][   T10]      __sys_sendmsg+0xcd/0x170
[ 2256.617250][   T10]      do_syscall_64+0xc6/0x1e0
[ 2256.617250][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2256.617250][   T10] 
[ 2256.619573][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2256.619573][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2256.619573][   T10]      ipv6_find_idev+0x102/0x170
[ 2256.619573][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2256.619573][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2256.619573][   T10]      netlink_rcv_skb+0x130/0x360
[ 2256.619573][   T10]      netlink_unicast+0x449/0x710
[ 2256.619573][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2256.619573][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2256.619573][   T10]      ___sys_sendmsg+0xee/0x170
[ 2256.619573][   T10]      __sys_sendmsg+0xcd/0x170
[ 2256.619573][   T10]      do_syscall_64+0xc6/0x1e0
[ 2256.619573][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2256.619573][   T10] 
[ 2256.621612][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2256.621612][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2256.621612][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2256.621612][   T10]      ipv6_find_idev+0x102/0x170
[ 2256.621612][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2256.621612][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2256.621612][   T10]      netlink_rcv_skb+0x130/0x360
[ 2256.621612][   T10]      netlink_unicast+0x449/0x710
[ 2256.621612][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2256.621612][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2256.621612][   T10]      ___sys_sendmsg+0xee/0x170
[ 2256.621612][   T10]      __sys_sendmsg+0xcd/0x170
[ 2256.621612][   T10]      do_syscall_64+0xc6/0x1e0
[ 2256.621612][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2256.621612][   T10] 
[ 2256.623817][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2256.624118][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2256.624118][   T10]      netdev_get_by_index+0x5e/0x80
[ 2256.624118][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2256.624118][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2256.624118][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2256.624118][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2256.624118][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2256.624118][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2256.624118][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2256.624118][   T10]      addrconf_dad_begin+0x310/0x670
[ 2256.624118][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2256.624118][   T10]      process_one_work+0x84d/0x18a0
[ 2256.624118][   T10]      worker_thread+0x587/0xd30
[ 2256.624118][   T10]      kthread+0x28a/0x350
[ 2256.624118][   T10]      ret_from_fork+0x31/0x70
[ 2256.624118][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2256.624118][   T10] 
[ 2256.626562][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2256.626562][   T10]      netdev_get_by_index+0x5e/0x80
[ 2256.626562][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2256.626562][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2256.626562][   T10]      ip6_route_add+0x1c/0x140
[ 2256.626562][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2256.626562][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2256.626562][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2256.626562][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2256.626562][   T10]      netlink_rcv_skb+0x130/0x360
[ 2256.626562][   T10]      netlink_unicast+0x449/0x710
[ 2256.626562][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2256.626562][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2256.626562][   T10]      ___sys_sendmsg+0xee/0x170
[ 2256.626562][   T10]      __sys_sendmsg+0xcd/0x170
[ 2256.626562][   T10]      do_syscall_64+0xc6/0x1e0
[ 2256.626562][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2256.626562][   T10] 
[ 2256.629140][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2256.629140][   T10]      netdev_get_by_index+0x5e/0x80
[ 2256.629140][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2256.629140][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2256.629140][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2256.629140][   T10]      ipv6_add_addr+0x411/0x2000
[ 2256.629140][   T10]      inet6_addr_add+0x30e/0xa40
[ 2256.629140][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2256.629140][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2256.629140][   T10]      netlink_rcv_skb+0x130/0x360
[ 2256.629140][   T10]      netlink_unicast+0x449/0x710
[ 2256.629140][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2256.629140][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2256.629140][   T10]      ___sys_sendmsg+0xee/0x170
[ 2256.629140][   T10]      __sys_sendmsg+0xcd/0x170
[ 2256.629140][   T10]      do_syscall_64+0xc6/0x1e0
[ 2256.629140][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2256.629140][   T10] 
[ 2256.631696][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2256.631696][   T10]      netdev_get_by_index+0x5e/0x80
[ 2256.631696][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2256.631696][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2256.631696][   T10]      ip6_route_add+0x1c/0x140
[ 2256.631696][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2256.631696][   T10]      addrconf_add_dev+0xe2/0x170
[ 2256.631696][   T10]      inet6_addr_add+0x12f/0xa40
[ 2256.631696][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2256.631696][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2256.631696][   T10]      netlink_rcv_skb+0x130/0x360
[ 2256.631696][   T10]      netlink_unicast+0x449/0x710
[ 2256.631696][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2256.631696][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2256.631696][   T10]      ___sys_sendmsg+0xee/0x170
[ 2256.631696][   T10]      __sys_sendmsg+0xcd/0x170
[ 2256.631696][   T10]      do_syscall_64+0xc6/0x1e0
[ 2256.631696][   T10] 
[ 2256.634222][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2256.634222][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2256.634222][   T10]      ipv6_find_idev+0x102/0x170
[ 2256.634222][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2256.634222][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2256.634222][   T10]      netlink_rcv_skb+0x130/0x360
[ 2256.634222][   T10]      netlink_unicast+0x449/0x710
[ 2256.634222][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2256.634222][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2256.634222][   T10]      ___sys_sendmsg+0xee/0x170
[ 2256.634222][   T10]      __sys_sendmsg+0xcd/0x170
[ 2256.634222][   T10]      do_syscall_64+0xc6/0x1e0
[ 2256.634222][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2256.634222][   T10] 
[ 2256.636232][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2256.636232][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2256.636232][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2256.636232][   T10]      ipv6_find_idev+0x102/0x170
[ 2256.636232][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2256.636232][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2256.636232][   T10]      netlink_rcv_skb+0x130/0x360
[ 2256.636232][   T10]      netlink_unicast+0x449/0x710
[ 2256.636232][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2256.636232][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2256.636232][   T10]      ___sys_sendmsg+0xee/0x170
[ 2256.636232][   T10]      __sys_sendmsg+0xcd/0x170
[ 2256.636232][   T10]      do_syscall_64+0xc6/0x1e0
[ 2256.636232][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2256.636232][   T10] 
[ 2266.888740][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2266.889221][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2266.889221][   T10]      netdev_get_by_index+0x5e/0x80
[ 2266.889221][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2266.889221][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2266.889221][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2266.889221][   T10]      ipv6_add_addr+0x411/0x2000
[ 2266.889221][   T10]      inet6_addr_add+0x30e/0xa40
[ 2266.889221][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2266.889221][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2266.889221][   T10]      netlink_rcv_skb+0x130/0x360
[ 2266.889221][   T10]      netlink_unicast+0x449/0x710
[ 2266.889221][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2266.889221][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2266.889221][   T10]      ___sys_sendmsg+0xee/0x170
[ 2266.889221][   T10]      __sys_sendmsg+0xcd/0x170
[ 2266.889221][   T10]      do_syscall_64+0xc6/0x1e0
[ 2266.889221][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2266.889221][   T10] 
[ 2266.891347][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2266.891347][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2266.891347][   T10]      ipv6_find_idev+0x102/0x170
[ 2266.891347][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2266.891347][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2266.891347][   T10]      netlink_rcv_skb+0x130/0x360
[ 2266.891347][   T10]      netlink_unicast+0x449/0x710
[ 2266.891347][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2266.891347][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2266.891347][   T10]      ___sys_sendmsg+0xee/0x170
[ 2266.891347][   T10]      __sys_sendmsg+0xcd/0x170
[ 2266.891347][   T10]      do_syscall_64+0xc6/0x1e0
[ 2266.891347][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2266.891347][   T10] 
[ 2266.892916][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2266.892916][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2266.892916][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2266.892916][   T10]      ipv6_find_idev+0x102/0x170
[ 2266.892916][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2266.892916][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2266.892916][   T10]      netlink_rcv_skb+0x130/0x360
[ 2266.892916][   T10]      netlink_unicast+0x449/0x710
[ 2266.892916][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2266.892916][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2266.892916][   T10]      ___sys_sendmsg+0xee/0x170
[ 2266.892916][   T10]      __sys_sendmsg+0xcd/0x170
[ 2266.892916][   T10]      do_syscall_64+0xc6/0x1e0
[ 2266.892916][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2266.892916][   T10] 
[ 2266.894652][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2266.894918][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2266.894918][   T10]      netdev_get_by_index+0x5e/0x80
[ 2266.894918][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2266.894918][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2266.894918][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2266.894918][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2266.894918][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2266.894918][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2266.894918][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2266.894918][   T10]      addrconf_dad_begin+0x310/0x670
[ 2266.894918][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2266.894918][   T10]      process_one_work+0x84d/0x18a0
[ 2266.894918][   T10]      worker_thread+0x587/0xd30
[ 2266.894918][   T10]      kthread+0x28a/0x350
[ 2266.894918][   T10]      ret_from_fork+0x31/0x70
[ 2266.894918][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2266.894918][   T10] 
[ 2266.896815][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2266.896815][   T10]      netdev_get_by_index+0x5e/0x80
[ 2266.896815][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2266.896815][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2266.896815][   T10]      ip6_route_add+0x1c/0x140
[ 2266.896815][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2266.896815][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2266.896815][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2266.896815][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2266.896815][   T10]      netlink_rcv_skb+0x130/0x360
[ 2266.896815][   T10]      netlink_unicast+0x449/0x710
[ 2266.896815][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2266.896815][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2266.896815][   T10]      ___sys_sendmsg+0xee/0x170
[ 2266.896815][   T10]      __sys_sendmsg+0xcd/0x170
[ 2266.896815][   T10]      do_syscall_64+0xc6/0x1e0
[ 2266.896815][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2266.896815][   T10] 
[ 2266.898843][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2266.898843][   T10]      netdev_get_by_index+0x5e/0x80
[ 2266.898843][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2266.898843][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2266.898843][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2266.898843][   T10]      ipv6_add_addr+0x411/0x2000
[ 2266.898843][   T10]      inet6_addr_add+0x30e/0xa40
[ 2266.898843][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2266.898843][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2266.898843][   T10]      netlink_rcv_skb+0x130/0x360
[ 2266.898843][   T10]      netlink_unicast+0x449/0x710
[ 2266.898843][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2266.898843][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2266.898843][   T10]      ___sys_sendmsg+0xee/0x170
[ 2266.898843][   T10]      __sys_sendmsg+0xcd/0x170
[ 2266.898843][   T10]      do_syscall_64+0xc6/0x1e0
[ 2266.898843][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2266.898843][   T10] 
[ 2266.900857][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2266.900857][   T10]      netdev_get_by_index+0x5e/0x80
[ 2266.900857][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2266.900857][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2266.900857][   T10]      ip6_route_add+0x1c/0x140
[ 2266.900857][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2266.900857][   T10]      addrconf_add_dev+0xe2/0x170
[ 2266.900857][   T10]      inet6_addr_add+0x12f/0xa40
[ 2266.900857][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2266.900857][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2266.900857][   T10]      netlink_rcv_skb+0x130/0x360
[ 2266.900857][   T10]      netlink_unicast+0x449/0x710
[ 2266.900857][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2266.900857][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2266.900857][   T10]      ___sys_sendmsg+0xee/0x170
[ 2266.900857][   T10]      __sys_sendmsg+0xcd/0x170
[ 2266.900857][   T10]      do_syscall_64+0xc6/0x1e0
[ 2266.900857][   T10] 
[ 2266.902857][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2266.902857][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2266.902857][   T10]      ipv6_find_idev+0x102/0x170
[ 2266.902857][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2266.902857][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2266.902857][   T10]      netlink_rcv_skb+0x130/0x360
[ 2266.902857][   T10]      netlink_unicast+0x449/0x710
[ 2266.902857][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2266.902857][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2266.902857][   T10]      ___sys_sendmsg+0xee/0x170
[ 2266.902857][   T10]      __sys_sendmsg+0xcd/0x170
[ 2266.902857][   T10]      do_syscall_64+0xc6/0x1e0
[ 2266.902857][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2266.902857][   T10] 
[ 2266.904409][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2266.904409][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2266.904409][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2266.904409][   T10]      ipv6_find_idev+0x102/0x170
[ 2266.904409][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2266.904409][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2266.904409][   T10]      netlink_rcv_skb+0x130/0x360
[ 2266.904409][   T10]      netlink_unicast+0x449/0x710
[ 2266.904409][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2266.904409][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2266.904409][   T10]      ___sys_sendmsg+0xee/0x170
[ 2266.904409][   T10]      __sys_sendmsg+0xcd/0x170
[ 2266.904409][   T10]      do_syscall_64+0xc6/0x1e0
[ 2266.904409][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2266.904409][   T10] 
[ 2276.984754][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2276.985225][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2276.985225][   T10]      netdev_get_by_index+0x5e/0x80
[ 2276.985225][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2276.985225][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2276.985225][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2276.985225][   T10]      ipv6_add_addr+0x411/0x2000
[ 2276.985225][   T10]      inet6_addr_add+0x30e/0xa40
[ 2276.985225][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2276.985225][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2276.985225][   T10]      netlink_rcv_skb+0x130/0x360
[ 2276.985225][   T10]      netlink_unicast+0x449/0x710
[ 2276.985225][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2276.985225][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2276.985225][   T10]      ___sys_sendmsg+0xee/0x170
[ 2276.985225][   T10]      __sys_sendmsg+0xcd/0x170
[ 2276.985225][   T10]      do_syscall_64+0xc6/0x1e0
[ 2276.985225][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2276.985225][   T10] 
[ 2276.987279][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2276.987279][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2276.987279][   T10]      ipv6_find_idev+0x102/0x170
[ 2276.987279][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2276.987279][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2276.987279][   T10]      netlink_rcv_skb+0x130/0x360
[ 2276.987279][   T10]      netlink_unicast+0x449/0x710
[ 2276.987279][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2276.987279][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2276.987279][   T10]      ___sys_sendmsg+0xee/0x170
[ 2276.987279][   T10]      __sys_sendmsg+0xcd/0x170
[ 2276.987279][   T10]      do_syscall_64+0xc6/0x1e0
[ 2276.987279][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2276.987279][   T10] 
[ 2276.988840][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2276.988840][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2276.988840][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2276.988840][   T10]      ipv6_find_idev+0x102/0x170
[ 2276.988840][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2276.988840][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2276.988840][   T10]      netlink_rcv_skb+0x130/0x360
[ 2276.988840][   T10]      netlink_unicast+0x449/0x710
[ 2276.988840][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2276.988840][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2276.988840][   T10]      ___sys_sendmsg+0xee/0x170
[ 2276.988840][   T10]      __sys_sendmsg+0xcd/0x170
[ 2276.988840][   T10]      do_syscall_64+0xc6/0x1e0
[ 2276.988840][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2276.988840][   T10] 
[ 2276.990562][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2276.990836][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2276.990836][   T10]      netdev_get_by_index+0x5e/0x80
[ 2276.990836][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2276.990836][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2276.990836][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2276.990836][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2276.990836][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2276.990836][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2276.990836][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2276.990836][   T10]      addrconf_dad_begin+0x310/0x670
[ 2276.990836][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2276.990836][   T10]      process_one_work+0x84d/0x18a0
[ 2276.990836][   T10]      worker_thread+0x587/0xd30
[ 2276.990836][   T10]      kthread+0x28a/0x350
[ 2276.990836][   T10]      ret_from_fork+0x31/0x70
[ 2276.990836][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2276.990836][   T10] 
[ 2276.992798][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2276.992798][   T10]      netdev_get_by_index+0x5e/0x80
[ 2276.992798][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2276.992798][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2276.992798][   T10]      ip6_route_add+0x1c/0x140
[ 2276.992798][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2276.992798][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2276.992798][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2276.992798][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2276.992798][   T10]      netlink_rcv_skb+0x130/0x360
[ 2276.992798][   T10]      netlink_unicast+0x449/0x710
[ 2276.992798][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2276.992798][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2276.992798][   T10]      ___sys_sendmsg+0xee/0x170
[ 2276.992798][   T10]      __sys_sendmsg+0xcd/0x170
[ 2276.992798][   T10]      do_syscall_64+0xc6/0x1e0
[ 2276.992798][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2276.992798][   T10] 
[ 2276.994831][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2276.994831][   T10]      netdev_get_by_index+0x5e/0x80
[ 2276.994831][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2276.994831][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2276.994831][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2276.994831][   T10]      ipv6_add_addr+0x411/0x2000
[ 2276.994831][   T10]      inet6_addr_add+0x30e/0xa40
[ 2276.994831][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2276.994831][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2276.994831][   T10]      netlink_rcv_skb+0x130/0x360
[ 2276.994831][   T10]      netlink_unicast+0x449/0x710
[ 2276.994831][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2276.994831][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2276.994831][   T10]      ___sys_sendmsg+0xee/0x170
[ 2276.994831][   T10]      __sys_sendmsg+0xcd/0x170
[ 2276.994831][   T10]      do_syscall_64+0xc6/0x1e0
[ 2276.994831][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2276.994831][   T10] 
[ 2276.996875][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2276.996875][   T10]      netdev_get_by_index+0x5e/0x80
[ 2276.996875][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2276.996875][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2276.996875][   T10]      ip6_route_add+0x1c/0x140
[ 2276.996875][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2276.996875][   T10]      addrconf_add_dev+0xe2/0x170
[ 2276.996875][   T10]      inet6_addr_add+0x12f/0xa40
[ 2276.996875][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2276.996875][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2276.996875][   T10]      netlink_rcv_skb+0x130/0x360
[ 2276.996875][   T10]      netlink_unicast+0x449/0x710
[ 2276.996875][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2276.996875][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2276.996875][   T10]      ___sys_sendmsg+0xee/0x170
[ 2276.996875][   T10]      __sys_sendmsg+0xcd/0x170
[ 2276.996875][   T10]      do_syscall_64+0xc6/0x1e0
[ 2276.996875][   T10] 
[ 2276.998862][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2276.998862][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2276.998862][   T10]      ipv6_find_idev+0x102/0x170
[ 2276.998862][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2276.998862][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2276.998862][   T10]      netlink_rcv_skb+0x130/0x360
[ 2276.998862][   T10]      netlink_unicast+0x449/0x710
[ 2276.998862][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2276.998862][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2276.998862][   T10]      ___sys_sendmsg+0xee/0x170
[ 2276.998862][   T10]      __sys_sendmsg+0xcd/0x170
[ 2276.998862][   T10]      do_syscall_64+0xc6/0x1e0
[ 2276.998862][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2276.998862][   T10] 
[ 2277.000416][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2277.000416][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2277.000416][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2277.000416][   T10]      ipv6_find_idev+0x102/0x170
[ 2277.000416][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2277.000416][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2277.000416][   T10]      netlink_rcv_skb+0x130/0x360
[ 2277.000416][   T10]      netlink_unicast+0x449/0x710
[ 2277.000416][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2277.000416][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2277.000416][   T10]      ___sys_sendmsg+0xee/0x170
[ 2277.000416][   T10]      __sys_sendmsg+0xcd/0x170
[ 2277.000416][   T10]      do_syscall_64+0xc6/0x1e0
[ 2277.000416][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2277.000416][   T10] 
[ 2287.240752][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2287.241211][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2287.241211][   T10]      netdev_get_by_index+0x5e/0x80
[ 2287.241211][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2287.241211][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2287.241211][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2287.241211][   T10]      ipv6_add_addr+0x411/0x2000
[ 2287.241211][   T10]      inet6_addr_add+0x30e/0xa40
[ 2287.241211][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2287.241211][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2287.241211][   T10]      netlink_rcv_skb+0x130/0x360
[ 2287.241211][   T10]      netlink_unicast+0x449/0x710
[ 2287.241211][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2287.241211][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2287.241211][   T10]      ___sys_sendmsg+0xee/0x170
[ 2287.241211][   T10]      __sys_sendmsg+0xcd/0x170
[ 2287.241211][   T10]      do_syscall_64+0xc6/0x1e0
[ 2287.241211][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2287.241211][   T10] 
[ 2287.243853][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2287.243853][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2287.243853][   T10]      ipv6_find_idev+0x102/0x170
[ 2287.243853][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2287.243853][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2287.243853][   T10]      netlink_rcv_skb+0x130/0x360
[ 2287.243853][   T10]      netlink_unicast+0x449/0x710
[ 2287.243853][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2287.243853][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2287.243853][   T10]      ___sys_sendmsg+0xee/0x170
[ 2287.243853][   T10]      __sys_sendmsg+0xcd/0x170
[ 2287.243853][   T10]      do_syscall_64+0xc6/0x1e0
[ 2287.243853][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2287.243853][   T10] 
[ 2287.245965][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2287.245965][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2287.245965][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2287.245965][   T10]      ipv6_find_idev+0x102/0x170
[ 2287.245965][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2287.245965][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2287.245965][   T10]      netlink_rcv_skb+0x130/0x360
[ 2287.245965][   T10]      netlink_unicast+0x449/0x710
[ 2287.245965][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2287.245965][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2287.245965][   T10]      ___sys_sendmsg+0xee/0x170
[ 2287.245965][   T10]      __sys_sendmsg+0xcd/0x170
[ 2287.245965][   T10]      do_syscall_64+0xc6/0x1e0
[ 2287.245965][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2287.245965][   T10] 
[ 2287.248219][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2287.248546][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2287.248546][   T10]      netdev_get_by_index+0x5e/0x80
[ 2287.248546][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2287.248546][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2287.248546][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2287.248546][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2287.248546][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2287.248546][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2287.248546][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2287.248546][   T10]      addrconf_dad_begin+0x310/0x670
[ 2287.248546][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2287.248546][   T10]      process_one_work+0x84d/0x18a0
[ 2287.248546][   T10]      worker_thread+0x587/0xd30
[ 2287.248546][   T10]      kthread+0x28a/0x350
[ 2287.248546][   T10]      ret_from_fork+0x31/0x70
[ 2287.248546][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2287.248546][   T10] 
[ 2287.251117][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2287.251117][   T10]      netdev_get_by_index+0x5e/0x80
[ 2287.251117][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2287.251117][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2287.251117][   T10]      ip6_route_add+0x1c/0x140
[ 2287.251117][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2287.251117][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2287.251117][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2287.251117][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2287.251117][   T10]      netlink_rcv_skb+0x130/0x360
[ 2287.251117][   T10]      netlink_unicast+0x449/0x710
[ 2287.251117][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2287.251117][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2287.251117][   T10]      ___sys_sendmsg+0xee/0x170
[ 2287.251117][   T10]      __sys_sendmsg+0xcd/0x170
[ 2287.251117][   T10]      do_syscall_64+0xc6/0x1e0
[ 2287.251117][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2287.251117][   T10] 
[ 2287.253762][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2287.253762][   T10]      netdev_get_by_index+0x5e/0x80
[ 2287.253762][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2287.253762][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2287.253762][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2287.253762][   T10]      ipv6_add_addr+0x411/0x2000
[ 2287.253762][   T10]      inet6_addr_add+0x30e/0xa40
[ 2287.253762][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2287.253762][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2287.253762][   T10]      netlink_rcv_skb+0x130/0x360
[ 2287.253762][   T10]      netlink_unicast+0x449/0x710
[ 2287.253762][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2287.253762][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2287.253762][   T10]      ___sys_sendmsg+0xee/0x170
[ 2287.253762][   T10]      __sys_sendmsg+0xcd/0x170
[ 2287.253762][   T10]      do_syscall_64+0xc6/0x1e0
[ 2287.253762][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2287.253762][   T10] 
[ 2287.256464][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2287.256464][   T10]      netdev_get_by_index+0x5e/0x80
[ 2287.256464][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2287.256464][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2287.256464][   T10]      ip6_route_add+0x1c/0x140
[ 2287.256464][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2287.256464][   T10]      addrconf_add_dev+0xe2/0x170
[ 2287.256464][   T10]      inet6_addr_add+0x12f/0xa40
[ 2287.256464][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2287.256464][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2287.256464][   T10]      netlink_rcv_skb+0x130/0x360
[ 2287.256464][   T10]      netlink_unicast+0x449/0x710
[ 2287.256464][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2287.256464][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2287.256464][   T10]      ___sys_sendmsg+0xee/0x170
[ 2287.256464][   T10]      __sys_sendmsg+0xcd/0x170
[ 2287.256464][   T10]      do_syscall_64+0xc6/0x1e0
[ 2287.256464][   T10] 
[ 2287.259064][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2287.259064][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2287.259064][   T10]      ipv6_find_idev+0x102/0x170
[ 2287.259064][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2287.259064][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2287.259064][   T10]      netlink_rcv_skb+0x130/0x360
[ 2287.259064][   T10]      netlink_unicast+0x449/0x710
[ 2287.259064][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2287.259064][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2287.259064][   T10]      ___sys_sendmsg+0xee/0x170
[ 2287.259064][   T10]      __sys_sendmsg+0xcd/0x170
[ 2287.259064][   T10]      do_syscall_64+0xc6/0x1e0
[ 2287.259064][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2287.259064][   T10] 
[ 2287.261100][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2287.261100][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2287.261100][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2287.261100][   T10]      ipv6_find_idev+0x102/0x170
[ 2287.261100][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2287.261100][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2287.261100][   T10]      netlink_rcv_skb+0x130/0x360
[ 2287.261100][   T10]      netlink_unicast+0x449/0x710
[ 2287.261100][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2287.261100][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2287.261100][   T10]      ___sys_sendmsg+0xee/0x170
[ 2287.261100][   T10]      __sys_sendmsg+0xcd/0x170
[ 2287.261100][   T10]      do_syscall_64+0xc6/0x1e0
[ 2287.261100][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2287.261100][   T10] 
[ 2297.456740][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2297.457131][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2297.457131][   T10]      netdev_get_by_index+0x5e/0x80
[ 2297.457131][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2297.457131][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2297.457131][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2297.457131][   T10]      ipv6_add_addr+0x411/0x2000
[ 2297.457131][   T10]      inet6_addr_add+0x30e/0xa40
[ 2297.457131][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2297.457131][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2297.457131][   T10]      netlink_rcv_skb+0x130/0x360
[ 2297.457131][   T10]      netlink_unicast+0x449/0x710
[ 2297.457131][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2297.457131][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2297.457131][   T10]      ___sys_sendmsg+0xee/0x170
[ 2297.457131][   T10]      __sys_sendmsg+0xcd/0x170
[ 2297.457131][   T10]      do_syscall_64+0xc6/0x1e0
[ 2297.457131][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2297.457131][   T10] 
[ 2297.459189][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2297.459189][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2297.459189][   T10]      ipv6_find_idev+0x102/0x170
[ 2297.459189][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2297.459189][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2297.459189][   T10]      netlink_rcv_skb+0x130/0x360
[ 2297.459189][   T10]      netlink_unicast+0x449/0x710
[ 2297.459189][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2297.459189][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2297.459189][   T10]      ___sys_sendmsg+0xee/0x170
[ 2297.459189][   T10]      __sys_sendmsg+0xcd/0x170
[ 2297.459189][   T10]      do_syscall_64+0xc6/0x1e0
[ 2297.459189][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2297.459189][   T10] 
[ 2297.460743][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2297.460743][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2297.460743][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2297.460743][   T10]      ipv6_find_idev+0x102/0x170
[ 2297.460743][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2297.460743][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2297.460743][   T10]      netlink_rcv_skb+0x130/0x360
[ 2297.460743][   T10]      netlink_unicast+0x449/0x710
[ 2297.460743][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2297.460743][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2297.460743][   T10]      ___sys_sendmsg+0xee/0x170
[ 2297.460743][   T10]      __sys_sendmsg+0xcd/0x170
[ 2297.460743][   T10]      do_syscall_64+0xc6/0x1e0
[ 2297.460743][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2297.460743][   T10] 
[ 2297.462443][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2297.462694][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2297.462694][   T10]      netdev_get_by_index+0x5e/0x80
[ 2297.462694][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2297.462694][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2297.462694][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2297.462694][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2297.462694][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2297.462694][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2297.462694][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2297.462694][   T10]      addrconf_dad_begin+0x310/0x670
[ 2297.462694][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2297.462694][   T10]      process_one_work+0x84d/0x18a0
[ 2297.462694][   T10]      worker_thread+0x587/0xd30
[ 2297.462694][   T10]      kthread+0x28a/0x350
[ 2297.462694][   T10]      ret_from_fork+0x31/0x70
[ 2297.462694][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2297.462694][   T10] 
[ 2297.464577][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2297.464577][   T10]      netdev_get_by_index+0x5e/0x80
[ 2297.464577][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2297.464577][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2297.464577][   T10]      ip6_route_add+0x1c/0x140
[ 2297.464577][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2297.464577][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2297.464577][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2297.464577][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2297.464577][   T10]      netlink_rcv_skb+0x130/0x360
[ 2297.464577][   T10]      netlink_unicast+0x449/0x710
[ 2297.464577][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2297.464577][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2297.464577][   T10]      ___sys_sendmsg+0xee/0x170
[ 2297.464577][   T10]      __sys_sendmsg+0xcd/0x170
[ 2297.464577][   T10]      do_syscall_64+0xc6/0x1e0
[ 2297.464577][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2297.464577][   T10] 
[ 2297.466571][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2297.466571][   T10]      netdev_get_by_index+0x5e/0x80
[ 2297.466571][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2297.466571][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2297.466571][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2297.466571][   T10]      ipv6_add_addr+0x411/0x2000
[ 2297.466571][   T10]      inet6_addr_add+0x30e/0xa40
[ 2297.466571][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2297.466571][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2297.466571][   T10]      netlink_rcv_skb+0x130/0x360
[ 2297.466571][   T10]      netlink_unicast+0x449/0x710
[ 2297.466571][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2297.466571][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2297.466571][   T10]      ___sys_sendmsg+0xee/0x170
[ 2297.466571][   T10]      __sys_sendmsg+0xcd/0x170
[ 2297.466571][   T10]      do_syscall_64+0xc6/0x1e0
[ 2297.466571][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2297.466571][   T10] 
[ 2297.468568][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2297.468568][   T10]      netdev_get_by_index+0x5e/0x80
[ 2297.468568][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2297.468568][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2297.468568][   T10]      ip6_route_add+0x1c/0x140
[ 2297.468568][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2297.468568][   T10]      addrconf_add_dev+0xe2/0x170
[ 2297.468568][   T10]      inet6_addr_add+0x12f/0xa40
[ 2297.468568][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2297.468568][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2297.468568][   T10]      netlink_rcv_skb+0x130/0x360
[ 2297.468568][   T10]      netlink_unicast+0x449/0x710
[ 2297.468568][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2297.468568][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2297.468568][   T10]      ___sys_sendmsg+0xee/0x170
[ 2297.468568][   T10]      __sys_sendmsg+0xcd/0x170
[ 2297.468568][   T10]      do_syscall_64+0xc6/0x1e0
[ 2297.468568][   T10] 
[ 2297.470526][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2297.470526][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2297.470526][   T10]      ipv6_find_idev+0x102/0x170
[ 2297.470526][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2297.470526][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2297.470526][   T10]      netlink_rcv_skb+0x130/0x360
[ 2297.470526][   T10]      netlink_unicast+0x449/0x710
[ 2297.470526][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2297.470526][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2297.470526][   T10]      ___sys_sendmsg+0xee/0x170
[ 2297.470526][   T10]      __sys_sendmsg+0xcd/0x170
[ 2297.470526][   T10]      do_syscall_64+0xc6/0x1e0
[ 2297.470526][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2297.470526][   T10] 
[ 2297.472650][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2297.472650][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2297.472650][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2297.472650][   T10]      ipv6_find_idev+0x102/0x170
[ 2297.472650][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2297.472650][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2297.472650][   T10]      netlink_rcv_skb+0x130/0x360
[ 2297.472650][   T10]      netlink_unicast+0x449/0x710
[ 2297.472650][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2297.472650][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2297.472650][   T10]      ___sys_sendmsg+0xee/0x170
[ 2297.472650][   T10]      __sys_sendmsg+0xcd/0x170
[ 2297.472650][   T10]      do_syscall_64+0xc6/0x1e0
[ 2297.472650][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2297.472650][   T10] 
[ 2307.640771][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2307.641218][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2307.641218][   T10]      netdev_get_by_index+0x5e/0x80
[ 2307.641218][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2307.641218][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2307.641218][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2307.641218][   T10]      ipv6_add_addr+0x411/0x2000
[ 2307.641218][   T10]      inet6_addr_add+0x30e/0xa40
[ 2307.641218][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2307.641218][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2307.641218][   T10]      netlink_rcv_skb+0x130/0x360
[ 2307.641218][   T10]      netlink_unicast+0x449/0x710
[ 2307.641218][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2307.641218][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2307.641218][   T10]      ___sys_sendmsg+0xee/0x170
[ 2307.641218][   T10]      __sys_sendmsg+0xcd/0x170
[ 2307.641218][   T10]      do_syscall_64+0xc6/0x1e0
[ 2307.641218][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2307.641218][   T10] 
[ 2307.643299][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2307.643299][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2307.643299][   T10]      ipv6_find_idev+0x102/0x170
[ 2307.643299][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2307.643299][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2307.643299][   T10]      netlink_rcv_skb+0x130/0x360
[ 2307.643299][   T10]      netlink_unicast+0x449/0x710
[ 2307.643299][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2307.643299][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2307.643299][   T10]      ___sys_sendmsg+0xee/0x170
[ 2307.643299][   T10]      __sys_sendmsg+0xcd/0x170
[ 2307.643299][   T10]      do_syscall_64+0xc6/0x1e0
[ 2307.643299][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2307.643299][   T10] 
[ 2307.644857][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2307.644857][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2307.644857][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2307.644857][   T10]      ipv6_find_idev+0x102/0x170
[ 2307.644857][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2307.644857][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2307.644857][   T10]      netlink_rcv_skb+0x130/0x360
[ 2307.644857][   T10]      netlink_unicast+0x449/0x710
[ 2307.644857][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2307.644857][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2307.644857][   T10]      ___sys_sendmsg+0xee/0x170
[ 2307.644857][   T10]      __sys_sendmsg+0xcd/0x170
[ 2307.644857][   T10]      do_syscall_64+0xc6/0x1e0
[ 2307.644857][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2307.644857][   T10] 
[ 2307.646562][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2307.646846][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2307.646846][   T10]      netdev_get_by_index+0x5e/0x80
[ 2307.646846][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2307.646846][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2307.646846][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2307.646846][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2307.646846][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2307.646846][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2307.646846][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2307.646846][   T10]      addrconf_dad_begin+0x310/0x670
[ 2307.646846][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2307.646846][   T10]      process_one_work+0x84d/0x18a0
[ 2307.646846][   T10]      worker_thread+0x587/0xd30
[ 2307.646846][   T10]      kthread+0x28a/0x350
[ 2307.646846][   T10]      ret_from_fork+0x31/0x70
[ 2307.646846][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2307.646846][   T10] 
[ 2307.648738][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2307.648738][   T10]      netdev_get_by_index+0x5e/0x80
[ 2307.648738][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2307.648738][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2307.648738][   T10]      ip6_route_add+0x1c/0x140
[ 2307.648738][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2307.648738][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2307.648738][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2307.648738][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2307.648738][   T10]      netlink_rcv_skb+0x130/0x360
[ 2307.648738][   T10]      netlink_unicast+0x449/0x710
[ 2307.648738][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2307.648738][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2307.648738][   T10]      ___sys_sendmsg+0xee/0x170
[ 2307.648738][   T10]      __sys_sendmsg+0xcd/0x170
[ 2307.648738][   T10]      do_syscall_64+0xc6/0x1e0
[ 2307.648738][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2307.648738][   T10] 
[ 2307.650755][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2307.650755][   T10]      netdev_get_by_index+0x5e/0x80
[ 2307.650755][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2307.650755][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2307.650755][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2307.650755][   T10]      ipv6_add_addr+0x411/0x2000
[ 2307.650755][   T10]      inet6_addr_add+0x30e/0xa40
[ 2307.650755][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2307.650755][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2307.650755][   T10]      netlink_rcv_skb+0x130/0x360
[ 2307.650755][   T10]      netlink_unicast+0x449/0x710
[ 2307.650755][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2307.650755][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2307.650755][   T10]      ___sys_sendmsg+0xee/0x170
[ 2307.650755][   T10]      __sys_sendmsg+0xcd/0x170
[ 2307.650755][   T10]      do_syscall_64+0xc6/0x1e0
[ 2307.650755][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2307.650755][   T10] 
[ 2307.652768][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2307.652768][   T10]      netdev_get_by_index+0x5e/0x80
[ 2307.652768][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2307.652768][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2307.652768][   T10]      ip6_route_add+0x1c/0x140
[ 2307.652768][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2307.652768][   T10]      addrconf_add_dev+0xe2/0x170
[ 2307.652768][   T10]      inet6_addr_add+0x12f/0xa40
[ 2307.652768][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2307.652768][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2307.652768][   T10]      netlink_rcv_skb+0x130/0x360
[ 2307.652768][   T10]      netlink_unicast+0x449/0x710
[ 2307.652768][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2307.652768][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2307.652768][   T10]      ___sys_sendmsg+0xee/0x170
[ 2307.652768][   T10]      __sys_sendmsg+0xcd/0x170
[ 2307.652768][   T10]      do_syscall_64+0xc6/0x1e0
[ 2307.652768][   T10] 
[ 2307.654747][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2307.654747][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2307.654747][   T10]      ipv6_find_idev+0x102/0x170
[ 2307.654747][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2307.654747][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2307.654747][   T10]      netlink_rcv_skb+0x130/0x360
[ 2307.654747][   T10]      netlink_unicast+0x449/0x710
[ 2307.654747][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2307.654747][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2307.654747][   T10]      ___sys_sendmsg+0xee/0x170
[ 2307.654747][   T10]      __sys_sendmsg+0xcd/0x170
[ 2307.654747][   T10]      do_syscall_64+0xc6/0x1e0
[ 2307.654747][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2307.654747][   T10] 
[ 2307.656298][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2307.656298][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2307.656298][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2307.656298][   T10]      ipv6_find_idev+0x102/0x170
[ 2307.656298][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2307.656298][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2307.656298][   T10]      netlink_rcv_skb+0x130/0x360
[ 2307.656298][   T10]      netlink_unicast+0x449/0x710
[ 2307.656298][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2307.656298][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2307.656298][   T10]      ___sys_sendmsg+0xee/0x170
[ 2307.656298][   T10]      __sys_sendmsg+0xcd/0x170
[ 2307.656298][   T10]      do_syscall_64+0xc6/0x1e0
[ 2307.656298][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2307.656298][   T10] 
[ 2317.896679][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2317.897140][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2317.897140][   T10]      netdev_get_by_index+0x5e/0x80
[ 2317.897140][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2317.897140][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2317.897140][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2317.897140][   T10]      ipv6_add_addr+0x411/0x2000
[ 2317.897140][   T10]      inet6_addr_add+0x30e/0xa40
[ 2317.897140][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2317.897140][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2317.897140][   T10]      netlink_rcv_skb+0x130/0x360
[ 2317.897140][   T10]      netlink_unicast+0x449/0x710
[ 2317.897140][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2317.897140][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2317.897140][   T10]      ___sys_sendmsg+0xee/0x170
[ 2317.897140][   T10]      __sys_sendmsg+0xcd/0x170
[ 2317.897140][   T10]      do_syscall_64+0xc6/0x1e0
[ 2317.897140][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2317.897140][   T10] 
[ 2317.899218][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2317.899218][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2317.899218][   T10]      ipv6_find_idev+0x102/0x170
[ 2317.899218][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2317.899218][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2317.899218][   T10]      netlink_rcv_skb+0x130/0x360
[ 2317.899218][   T10]      netlink_unicast+0x449/0x710
[ 2317.899218][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2317.899218][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2317.899218][   T10]      ___sys_sendmsg+0xee/0x170
[ 2317.899218][   T10]      __sys_sendmsg+0xcd/0x170
[ 2317.899218][   T10]      do_syscall_64+0xc6/0x1e0
[ 2317.899218][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2317.899218][   T10] 
[ 2317.900766][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2317.900766][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2317.900766][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2317.900766][   T10]      ipv6_find_idev+0x102/0x170
[ 2317.900766][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2317.900766][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2317.900766][   T10]      netlink_rcv_skb+0x130/0x360
[ 2317.900766][   T10]      netlink_unicast+0x449/0x710
[ 2317.900766][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2317.900766][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2317.900766][   T10]      ___sys_sendmsg+0xee/0x170
[ 2317.900766][   T10]      __sys_sendmsg+0xcd/0x170
[ 2317.900766][   T10]      do_syscall_64+0xc6/0x1e0
[ 2317.900766][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2317.900766][   T10] 
[ 2317.902498][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2317.902840][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2317.902840][   T10]      netdev_get_by_index+0x5e/0x80
[ 2317.902840][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2317.902840][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2317.902840][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2317.902840][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2317.902840][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2317.902840][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2317.902840][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2317.902840][   T10]      addrconf_dad_begin+0x310/0x670
[ 2317.902840][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2317.902840][   T10]      process_one_work+0x84d/0x18a0
[ 2317.902840][   T10]      worker_thread+0x587/0xd30
[ 2317.902840][   T10]      kthread+0x28a/0x350
[ 2317.902840][   T10]      ret_from_fork+0x31/0x70
[ 2317.902840][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2317.902840][   T10] 
[ 2317.905232][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2317.905232][   T10]      netdev_get_by_index+0x5e/0x80
[ 2317.905232][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2317.905232][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2317.905232][   T10]      ip6_route_add+0x1c/0x140
[ 2317.905232][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2317.905232][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2317.905232][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2317.905232][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2317.905232][   T10]      netlink_rcv_skb+0x130/0x360
[ 2317.905232][   T10]      netlink_unicast+0x449/0x710
[ 2317.905232][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2317.905232][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2317.905232][   T10]      ___sys_sendmsg+0xee/0x170
[ 2317.905232][   T10]      __sys_sendmsg+0xcd/0x170
[ 2317.905232][   T10]      do_syscall_64+0xc6/0x1e0
[ 2317.905232][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2317.905232][   T10] 
[ 2317.907873][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2317.907873][   T10]      netdev_get_by_index+0x5e/0x80
[ 2317.907873][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2317.907873][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2317.907873][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2317.907873][   T10]      ipv6_add_addr+0x411/0x2000
[ 2317.907873][   T10]      inet6_addr_add+0x30e/0xa40
[ 2317.907873][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2317.907873][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2317.907873][   T10]      netlink_rcv_skb+0x130/0x360
[ 2317.907873][   T10]      netlink_unicast+0x449/0x710
[ 2317.907873][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2317.907873][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2317.907873][   T10]      ___sys_sendmsg+0xee/0x170
[ 2317.907873][   T10]      __sys_sendmsg+0xcd/0x170
[ 2317.907873][   T10]      do_syscall_64+0xc6/0x1e0
[ 2317.907873][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2317.907873][   T10] 
[ 2317.910487][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2317.910487][   T10]      netdev_get_by_index+0x5e/0x80
[ 2317.910487][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2317.910487][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2317.910487][   T10]      ip6_route_add+0x1c/0x140
[ 2317.910487][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2317.910487][   T10]      addrconf_add_dev+0xe2/0x170
[ 2317.910487][   T10]      inet6_addr_add+0x12f/0xa40
[ 2317.910487][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2317.910487][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2317.910487][   T10]      netlink_rcv_skb+0x130/0x360
[ 2317.910487][   T10]      netlink_unicast+0x449/0x710
[ 2317.910487][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2317.910487][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2317.910487][   T10]      ___sys_sendmsg+0xee/0x170
[ 2317.910487][   T10]      __sys_sendmsg+0xcd/0x170
[ 2317.910487][   T10]      do_syscall_64+0xc6/0x1e0
[ 2317.910487][   T10] 
[ 2317.913054][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2317.913054][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2317.913054][   T10]      ipv6_find_idev+0x102/0x170
[ 2317.913054][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2317.913054][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2317.913054][   T10]      netlink_rcv_skb+0x130/0x360
[ 2317.913054][   T10]      netlink_unicast+0x449/0x710
[ 2317.913054][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2317.913054][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2317.913054][   T10]      ___sys_sendmsg+0xee/0x170
[ 2317.913054][   T10]      __sys_sendmsg+0xcd/0x170
[ 2317.913054][   T10]      do_syscall_64+0xc6/0x1e0
[ 2317.913054][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2317.913054][   T10] 
[ 2317.915057][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2317.915057][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2317.915057][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2317.915057][   T10]      ipv6_find_idev+0x102/0x170
[ 2317.915057][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2317.915057][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2317.915057][   T10]      netlink_rcv_skb+0x130/0x360
[ 2317.915057][   T10]      netlink_unicast+0x449/0x710
[ 2317.915057][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2317.915057][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2317.915057][   T10]      ___sys_sendmsg+0xee/0x170
[ 2317.915057][   T10]      __sys_sendmsg+0xcd/0x170
[ 2317.915057][   T10]      do_syscall_64+0xc6/0x1e0
[ 2317.915057][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2317.915057][   T10] 
[ 2328.064747][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2328.065188][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2328.065188][   T10]      netdev_get_by_index+0x5e/0x80
[ 2328.065188][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2328.065188][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2328.065188][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2328.065188][   T10]      ipv6_add_addr+0x411/0x2000
[ 2328.065188][   T10]      inet6_addr_add+0x30e/0xa40
[ 2328.065188][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2328.065188][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2328.065188][   T10]      netlink_rcv_skb+0x130/0x360
[ 2328.065188][   T10]      netlink_unicast+0x449/0x710
[ 2328.065188][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2328.065188][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2328.065188][   T10]      ___sys_sendmsg+0xee/0x170
[ 2328.065188][   T10]      __sys_sendmsg+0xcd/0x170
[ 2328.065188][   T10]      do_syscall_64+0xc6/0x1e0
[ 2328.065188][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2328.065188][   T10] 
[ 2328.067334][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2328.067334][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2328.067334][   T10]      ipv6_find_idev+0x102/0x170
[ 2328.067334][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2328.067334][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2328.067334][   T10]      netlink_rcv_skb+0x130/0x360
[ 2328.067334][   T10]      netlink_unicast+0x449/0x710
[ 2328.067334][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2328.067334][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2328.067334][   T10]      ___sys_sendmsg+0xee/0x170
[ 2328.067334][   T10]      __sys_sendmsg+0xcd/0x170
[ 2328.067334][   T10]      do_syscall_64+0xc6/0x1e0
[ 2328.067334][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2328.067334][   T10] 
[ 2328.068883][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2328.068883][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2328.068883][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2328.068883][   T10]      ipv6_find_idev+0x102/0x170
[ 2328.068883][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2328.068883][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2328.068883][   T10]      netlink_rcv_skb+0x130/0x360
[ 2328.068883][   T10]      netlink_unicast+0x449/0x710
[ 2328.068883][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2328.068883][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2328.068883][   T10]      ___sys_sendmsg+0xee/0x170
[ 2328.068883][   T10]      __sys_sendmsg+0xcd/0x170
[ 2328.068883][   T10]      do_syscall_64+0xc6/0x1e0
[ 2328.068883][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2328.068883][   T10] 
[ 2328.070584][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2328.070850][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2328.070850][   T10]      netdev_get_by_index+0x5e/0x80
[ 2328.070850][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2328.070850][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2328.070850][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2328.070850][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2328.070850][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2328.070850][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2328.070850][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2328.070850][   T10]      addrconf_dad_begin+0x310/0x670
[ 2328.070850][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2328.070850][   T10]      process_one_work+0x84d/0x18a0
[ 2328.070850][   T10]      worker_thread+0x587/0xd30
[ 2328.070850][   T10]      kthread+0x28a/0x350
[ 2328.070850][   T10]      ret_from_fork+0x31/0x70
[ 2328.070850][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2328.070850][   T10] 
[ 2328.072745][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2328.072745][   T10]      netdev_get_by_index+0x5e/0x80
[ 2328.072745][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2328.072745][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2328.072745][   T10]      ip6_route_add+0x1c/0x140
[ 2328.072745][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2328.072745][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2328.072745][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2328.072745][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2328.072745][   T10]      netlink_rcv_skb+0x130/0x360
[ 2328.072745][   T10]      netlink_unicast+0x449/0x710
[ 2328.072745][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2328.072745][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2328.072745][   T10]      ___sys_sendmsg+0xee/0x170
[ 2328.072745][   T10]      __sys_sendmsg+0xcd/0x170
[ 2328.072745][   T10]      do_syscall_64+0xc6/0x1e0
[ 2328.072745][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2328.072745][   T10] 
[ 2328.074742][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2328.074742][   T10]      netdev_get_by_index+0x5e/0x80
[ 2328.074742][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2328.074742][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2328.074742][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2328.074742][   T10]      ipv6_add_addr+0x411/0x2000
[ 2328.074742][   T10]      inet6_addr_add+0x30e/0xa40
[ 2328.074742][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2328.074742][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2328.074742][   T10]      netlink_rcv_skb+0x130/0x360
[ 2328.074742][   T10]      netlink_unicast+0x449/0x710
[ 2328.074742][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2328.074742][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2328.074742][   T10]      ___sys_sendmsg+0xee/0x170
[ 2328.074742][   T10]      __sys_sendmsg+0xcd/0x170
[ 2328.074742][   T10]      do_syscall_64+0xc6/0x1e0
[ 2328.074742][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2328.074742][   T10] 
[ 2328.076743][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2328.076743][   T10]      netdev_get_by_index+0x5e/0x80
[ 2328.076743][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2328.076743][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2328.076743][   T10]      ip6_route_add+0x1c/0x140
[ 2328.076743][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2328.076743][   T10]      addrconf_add_dev+0xe2/0x170
[ 2328.076743][   T10]      inet6_addr_add+0x12f/0xa40
[ 2328.076743][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2328.076743][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2328.076743][   T10]      netlink_rcv_skb+0x130/0x360
[ 2328.076743][   T10]      netlink_unicast+0x449/0x710
[ 2328.076743][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2328.076743][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2328.076743][   T10]      ___sys_sendmsg+0xee/0x170
[ 2328.076743][   T10]      __sys_sendmsg+0xcd/0x170
[ 2328.076743][   T10]      do_syscall_64+0xc6/0x1e0
[ 2328.076743][   T10] 
[ 2328.078699][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2328.078699][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2328.078699][   T10]      ipv6_find_idev+0x102/0x170
[ 2328.078699][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2328.078699][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2328.078699][   T10]      netlink_rcv_skb+0x130/0x360
[ 2328.078699][   T10]      netlink_unicast+0x449/0x710
[ 2328.078699][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2328.078699][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2328.078699][   T10]      ___sys_sendmsg+0xee/0x170
[ 2328.078699][   T10]      __sys_sendmsg+0xcd/0x170
[ 2328.078699][   T10]      do_syscall_64+0xc6/0x1e0
[ 2328.078699][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2328.078699][   T10] 
[ 2328.080294][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2328.080294][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2328.080294][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2328.080294][   T10]      ipv6_find_idev+0x102/0x170
[ 2328.080294][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2328.080294][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2328.080294][   T10]      netlink_rcv_skb+0x130/0x360
[ 2328.080294][   T10]      netlink_unicast+0x449/0x710
[ 2328.080294][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2328.080294][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2328.080294][   T10]      ___sys_sendmsg+0xee/0x170
[ 2328.080294][   T10]      __sys_sendmsg+0xcd/0x170
[ 2328.080294][   T10]      do_syscall_64+0xc6/0x1e0
[ 2328.080294][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2328.080294][   T10] 
[ 2336.040706][   T42] INFO: task modprobe:8169 blocked for more than 1228 seconds.
[ 2336.041053][   T42]       Not tainted 6.8.0-virtme #1
[ 2336.041173][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 2336.041379][   T42] task:modprobe        state:D stack:25648 pid:8169  tgid:8169  ppid:39     flags:0x00004002
[ 2336.041655][   T42] Call Trace:
[ 2336.041751][   T42]  <TASK>
[ 2336.041843][   T42]  __schedule+0x705/0x1ac0
[ 2336.041981][   T42]  ? __pfx___schedule+0x10/0x10
[ 2336.042125][   T42]  ? schedule+0x1a5/0x210
[ 2336.042222][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2336.042354][   T42]  ? mark_lock+0x38/0x3e0
[ 2336.042452][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 2336.042578][   T42]  ? schedule+0x1a5/0x210
[ 2336.042690][   T42]  schedule+0xdf/0x210
[ 2336.042787][   T42]  schedule_preempt_disabled+0x15/0x30
[ 2336.042913][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[ 2336.043047][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 2336.043199][   T42]  ? kasan_save_stack+0x34/0x50
[ 2336.043328][   T42]  ? kasan_save_stack+0x24/0x50
[ 2336.043451][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2336.043583][   T42]  ? lock_acquire+0x1c1/0x220
[ 2336.043715][   T42]  ? register_pernet_subsys+0x1a/0x50
[ 2336.043850][   T42]  down_write+0x1c9/0x200
[ 2336.043949][   T42]  ? __pfx_down_write+0x10/0x10
[ 2336.044074][   T42]  ? __pfx___lock_release+0x10/0x10
[ 2336.044205][   T42]  ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables]
[ 2336.044401][   T42]  register_pernet_subsys+0x1a/0x50
[ 2336.044525][   T42]  nf_tables_module_init+0x17/0x100 [nf_tables]
[ 2336.044714][   T42]  do_one_initcall+0xc8/0x3f0
[ 2336.044841][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[ 2336.044974][   T42]  ? __create_object+0x5e/0xb0
[ 2336.045101][   T42]  ? kasan_unpoison+0x27/0x60
[ 2336.045234][   T42]  do_init_module+0x233/0x740
[ 2336.045370][   T42]  load_module+0x16b5/0x2350
[ 2336.045504][   T42]  ? __pfx_load_module+0x10/0x10
[ 2336.045649][   T42]  ? kernel_read_file+0x3d2/0x520
[ 2336.045783][   T42]  ? kernel_read_file+0x300/0x520
[ 2336.045912][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[ 2336.046042][   T42]  ? init_module_from_file+0xd2/0x130
[ 2336.046168][   T42]  init_module_from_file+0xd2/0x130
[ 2336.046291][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[ 2336.046446][   T42]  ? __lock_release+0x103/0x460
[ 2336.046571][   T42]  ? idempotent_init_module+0x32a/0x620
[ 2336.046713][   T42]  ? idempotent_init_module+0x32a/0x620
[ 2336.046837][   T42]  ? do_raw_spin_unlock+0x58/0x220
[ 2336.046966][   T42]  idempotent_init_module+0x342/0x620
[ 2336.047095][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 2336.047266][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 2336.047408][   T42]  do_syscall_64+0xc6/0x1e0
[ 2336.047556][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2336.047721][   T42] RIP: 0033:0x7f8894ecfe5d
[ 2336.047850][   T42] RSP: 002b:00007ffc02fe9148 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 2336.048035][   T42] RAX: ffffffffffffffda RBX: 0000561734795e90 RCX: 00007f8894ecfe5d
[ 2336.048902][   T42] RDX: 0000000000000000 RSI: 000056171fd7ca2a RDI: 0000000000000001
[ 2336.049084][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00005617347964f0
[ 2336.049267][   T42] R10: 0000000000000001 R11: 0000000000000246 R12: 000056171fd7ca2a
[ 2336.049449][   T42] R13: 0000561734795e40 R14: 0000561734796570 R15: 0000000000000000
[ 2336.049666][   T42]  </TASK>
[ 2336.049767][   T42] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
[ 2336.049974][   T42] 
[ 2336.049974][   T42] Showing all locks held in the system:
[ 2336.050150][   T42] 3 locks held by kworker/u16:0/10:
[ 2336.050270][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 2336.050524][   T42]  #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 2336.050751][   T42]  #2: ffffffff9816a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[ 2336.050973][   T42] 2 locks held by kworker/u20:0/39:
[ 2336.051090][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 2336.051337][   T42]  #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 2336.051614][   T42] 1 lock held by khungtaskd/42:
[ 2336.051739][   T42]  #0: ffffffff979591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[ 2336.051966][   T42] 1 lock held by modprobe/8169:
[ 2336.052089][   T42]  #0: ffffffff9816a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[ 2336.052333][   T42] 
[ 2336.052394][   T42] =============================================
[ 2336.052394][   T42] 
[ 2338.208757][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2338.209227][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2338.209227][   T10]      netdev_get_by_index+0x5e/0x80
[ 2338.209227][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2338.209227][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2338.209227][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2338.209227][   T10]      ipv6_add_addr+0x411/0x2000
[ 2338.209227][   T10]      inet6_addr_add+0x30e/0xa40
[ 2338.209227][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2338.209227][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2338.209227][   T10]      netlink_rcv_skb+0x130/0x360
[ 2338.209227][   T10]      netlink_unicast+0x449/0x710
[ 2338.209227][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2338.209227][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2338.209227][   T10]      ___sys_sendmsg+0xee/0x170
[ 2338.209227][   T10]      __sys_sendmsg+0xcd/0x170
[ 2338.209227][   T10]      do_syscall_64+0xc6/0x1e0
[ 2338.209227][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2338.209227][   T10] 
[ 2338.211250][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2338.211250][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2338.211250][   T10]      ipv6_find_idev+0x102/0x170
[ 2338.211250][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2338.211250][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2338.211250][   T10]      netlink_rcv_skb+0x130/0x360
[ 2338.211250][   T10]      netlink_unicast+0x449/0x710
[ 2338.211250][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2338.211250][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2338.211250][   T10]      ___sys_sendmsg+0xee/0x170
[ 2338.211250][   T10]      __sys_sendmsg+0xcd/0x170
[ 2338.211250][   T10]      do_syscall_64+0xc6/0x1e0
[ 2338.211250][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2338.211250][   T10] 
[ 2338.212809][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2338.212809][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2338.212809][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2338.212809][   T10]      ipv6_find_idev+0x102/0x170
[ 2338.212809][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2338.212809][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2338.212809][   T10]      netlink_rcv_skb+0x130/0x360
[ 2338.212809][   T10]      netlink_unicast+0x449/0x710
[ 2338.212809][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2338.212809][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2338.212809][   T10]      ___sys_sendmsg+0xee/0x170
[ 2338.212809][   T10]      __sys_sendmsg+0xcd/0x170
[ 2338.212809][   T10]      do_syscall_64+0xc6/0x1e0
[ 2338.212809][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2338.212809][   T10] 
[ 2338.214511][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2338.214793][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2338.214793][   T10]      netdev_get_by_index+0x5e/0x80
[ 2338.214793][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2338.214793][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2338.214793][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2338.214793][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2338.214793][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2338.214793][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2338.214793][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2338.214793][   T10]      addrconf_dad_begin+0x310/0x670
[ 2338.214793][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2338.214793][   T10]      process_one_work+0x84d/0x18a0
[ 2338.214793][   T10]      worker_thread+0x587/0xd30
[ 2338.214793][   T10]      kthread+0x28a/0x350
[ 2338.214793][   T10]      ret_from_fork+0x31/0x70
[ 2338.214793][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2338.214793][   T10] 
[ 2338.217406][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2338.217406][   T10]      netdev_get_by_index+0x5e/0x80
[ 2338.217406][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2338.217406][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2338.217406][   T10]      ip6_route_add+0x1c/0x140
[ 2338.217406][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2338.217406][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2338.217406][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2338.217406][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2338.217406][   T10]      netlink_rcv_skb+0x130/0x360
[ 2338.217406][   T10]      netlink_unicast+0x449/0x710
[ 2338.217406][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2338.217406][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2338.217406][   T10]      ___sys_sendmsg+0xee/0x170
[ 2338.217406][   T10]      __sys_sendmsg+0xcd/0x170
[ 2338.217406][   T10]      do_syscall_64+0xc6/0x1e0
[ 2338.217406][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2338.217406][   T10] 
[ 2338.220132][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2338.220132][   T10]      netdev_get_by_index+0x5e/0x80
[ 2338.220132][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2338.220132][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2338.220132][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2338.220132][   T10]      ipv6_add_addr+0x411/0x2000
[ 2338.220132][   T10]      inet6_addr_add+0x30e/0xa40
[ 2338.220132][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2338.220132][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2338.220132][   T10]      netlink_rcv_skb+0x130/0x360
[ 2338.220132][   T10]      netlink_unicast+0x449/0x710
[ 2338.220132][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2338.220132][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2338.220132][   T10]      ___sys_sendmsg+0xee/0x170
[ 2338.220132][   T10]      __sys_sendmsg+0xcd/0x170
[ 2338.220132][   T10]      do_syscall_64+0xc6/0x1e0
[ 2338.220132][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2338.220132][   T10] 
[ 2338.222877][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2338.222877][   T10]      netdev_get_by_index+0x5e/0x80
[ 2338.222877][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2338.222877][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2338.222877][   T10]      ip6_route_add+0x1c/0x140
[ 2338.222877][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2338.222877][   T10]      addrconf_add_dev+0xe2/0x170
[ 2338.222877][   T10]      inet6_addr_add+0x12f/0xa40
[ 2338.222877][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2338.222877][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2338.222877][   T10]      netlink_rcv_skb+0x130/0x360
[ 2338.222877][   T10]      netlink_unicast+0x449/0x710
[ 2338.222877][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2338.222877][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2338.222877][   T10]      ___sys_sendmsg+0xee/0x170
[ 2338.222877][   T10]      __sys_sendmsg+0xcd/0x170
[ 2338.222877][   T10]      do_syscall_64+0xc6/0x1e0
[ 2338.222877][   T10] 
[ 2338.225475][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2338.225475][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2338.225475][   T10]      ipv6_find_idev+0x102/0x170
[ 2338.225475][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2338.225475][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2338.225475][   T10]      netlink_rcv_skb+0x130/0x360
[ 2338.225475][   T10]      netlink_unicast+0x449/0x710
[ 2338.225475][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2338.225475][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2338.225475][   T10]      ___sys_sendmsg+0xee/0x170
[ 2338.225475][   T10]      __sys_sendmsg+0xcd/0x170
[ 2338.225475][   T10]      do_syscall_64+0xc6/0x1e0
[ 2338.225475][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2338.225475][   T10] 
[ 2338.227575][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2338.227575][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2338.227575][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2338.227575][   T10]      ipv6_find_idev+0x102/0x170
[ 2338.227575][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2338.227575][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2338.227575][   T10]      netlink_rcv_skb+0x130/0x360
[ 2338.227575][   T10]      netlink_unicast+0x449/0x710
[ 2338.227575][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2338.227575][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2338.227575][   T10]      ___sys_sendmsg+0xee/0x170
[ 2338.227575][   T10]      __sys_sendmsg+0xcd/0x170
[ 2338.227575][   T10]      do_syscall_64+0xc6/0x1e0
[ 2338.227575][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2338.227575][   T10] 
[ 2348.480770][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2348.481219][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2348.481219][   T10]      netdev_get_by_index+0x5e/0x80
[ 2348.481219][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2348.481219][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2348.481219][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2348.481219][   T10]      ipv6_add_addr+0x411/0x2000
[ 2348.481219][   T10]      inet6_addr_add+0x30e/0xa40
[ 2348.481219][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2348.481219][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2348.481219][   T10]      netlink_rcv_skb+0x130/0x360
[ 2348.481219][   T10]      netlink_unicast+0x449/0x710
[ 2348.481219][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2348.481219][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2348.481219][   T10]      ___sys_sendmsg+0xee/0x170
[ 2348.481219][   T10]      __sys_sendmsg+0xcd/0x170
[ 2348.481219][   T10]      do_syscall_64+0xc6/0x1e0
[ 2348.481219][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2348.481219][   T10] 
[ 2348.483287][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2348.483287][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2348.483287][   T10]      ipv6_find_idev+0x102/0x170
[ 2348.483287][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2348.483287][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2348.483287][   T10]      netlink_rcv_skb+0x130/0x360
[ 2348.483287][   T10]      netlink_unicast+0x449/0x710
[ 2348.483287][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2348.483287][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2348.483287][   T10]      ___sys_sendmsg+0xee/0x170
[ 2348.483287][   T10]      __sys_sendmsg+0xcd/0x170
[ 2348.483287][   T10]      do_syscall_64+0xc6/0x1e0
[ 2348.483287][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2348.483287][   T10] 
[ 2348.484856][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2348.484856][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2348.484856][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2348.484856][   T10]      ipv6_find_idev+0x102/0x170
[ 2348.484856][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2348.484856][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2348.484856][   T10]      netlink_rcv_skb+0x130/0x360
[ 2348.484856][   T10]      netlink_unicast+0x449/0x710
[ 2348.484856][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2348.484856][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2348.484856][   T10]      ___sys_sendmsg+0xee/0x170
[ 2348.484856][   T10]      __sys_sendmsg+0xcd/0x170
[ 2348.484856][   T10]      do_syscall_64+0xc6/0x1e0
[ 2348.484856][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2348.484856][   T10] 
[ 2348.486561][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2348.486826][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2348.486826][   T10]      netdev_get_by_index+0x5e/0x80
[ 2348.486826][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2348.486826][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2348.486826][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2348.486826][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2348.486826][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2348.486826][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2348.486826][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2348.486826][   T10]      addrconf_dad_begin+0x310/0x670
[ 2348.486826][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2348.486826][   T10]      process_one_work+0x84d/0x18a0
[ 2348.486826][   T10]      worker_thread+0x587/0xd30
[ 2348.486826][   T10]      kthread+0x28a/0x350
[ 2348.486826][   T10]      ret_from_fork+0x31/0x70
[ 2348.486826][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2348.486826][   T10] 
[ 2348.488732][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2348.488732][   T10]      netdev_get_by_index+0x5e/0x80
[ 2348.488732][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2348.488732][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2348.488732][   T10]      ip6_route_add+0x1c/0x140
[ 2348.488732][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2348.488732][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2348.488732][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2348.488732][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2348.488732][   T10]      netlink_rcv_skb+0x130/0x360
[ 2348.488732][   T10]      netlink_unicast+0x449/0x710
[ 2348.488732][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2348.488732][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2348.488732][   T10]      ___sys_sendmsg+0xee/0x170
[ 2348.488732][   T10]      __sys_sendmsg+0xcd/0x170
[ 2348.488732][   T10]      do_syscall_64+0xc6/0x1e0
[ 2348.488732][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2348.488732][   T10] 
[ 2348.490736][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2348.490736][   T10]      netdev_get_by_index+0x5e/0x80
[ 2348.490736][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2348.490736][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2348.490736][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2348.490736][   T10]      ipv6_add_addr+0x411/0x2000
[ 2348.490736][   T10]      inet6_addr_add+0x30e/0xa40
[ 2348.490736][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2348.490736][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2348.490736][   T10]      netlink_rcv_skb+0x130/0x360
[ 2348.490736][   T10]      netlink_unicast+0x449/0x710
[ 2348.490736][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2348.490736][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2348.490736][   T10]      ___sys_sendmsg+0xee/0x170
[ 2348.490736][   T10]      __sys_sendmsg+0xcd/0x170
[ 2348.490736][   T10]      do_syscall_64+0xc6/0x1e0
[ 2348.490736][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2348.490736][   T10] 
[ 2348.493353][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2348.493353][   T10]      netdev_get_by_index+0x5e/0x80
[ 2348.493353][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2348.493353][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2348.493353][   T10]      ip6_route_add+0x1c/0x140
[ 2348.493353][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2348.493353][   T10]      addrconf_add_dev+0xe2/0x170
[ 2348.493353][   T10]      inet6_addr_add+0x12f/0xa40
[ 2348.493353][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2348.493353][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2348.493353][   T10]      netlink_rcv_skb+0x130/0x360
[ 2348.493353][   T10]      netlink_unicast+0x449/0x710
[ 2348.493353][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2348.493353][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2348.493353][   T10]      ___sys_sendmsg+0xee/0x170
[ 2348.493353][   T10]      __sys_sendmsg+0xcd/0x170
[ 2348.493353][   T10]      do_syscall_64+0xc6/0x1e0
[ 2348.493353][   T10] 
[ 2348.496014][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2348.496014][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2348.496014][   T10]      ipv6_find_idev+0x102/0x170
[ 2348.496014][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2348.496014][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2348.496014][   T10]      netlink_rcv_skb+0x130/0x360
[ 2348.496014][   T10]      netlink_unicast+0x449/0x710
[ 2348.496014][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2348.496014][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2348.496014][   T10]      ___sys_sendmsg+0xee/0x170
[ 2348.496014][   T10]      __sys_sendmsg+0xcd/0x170
[ 2348.496014][   T10]      do_syscall_64+0xc6/0x1e0
[ 2348.496014][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2348.496014][   T10] 
[ 2348.498107][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2348.498107][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2348.498107][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2348.498107][   T10]      ipv6_find_idev+0x102/0x170
[ 2348.498107][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2348.498107][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2348.498107][   T10]      netlink_rcv_skb+0x130/0x360
[ 2348.498107][   T10]      netlink_unicast+0x449/0x710
[ 2348.498107][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2348.498107][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2348.498107][   T10]      ___sys_sendmsg+0xee/0x170
[ 2348.498107][   T10]      __sys_sendmsg+0xcd/0x170
[ 2348.498107][   T10]      do_syscall_64+0xc6/0x1e0
[ 2348.498107][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2348.498107][   T10] 
[ 2358.616684][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2358.617068][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2358.617068][   T10]      netdev_get_by_index+0x5e/0x80
[ 2358.617068][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2358.617068][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2358.617068][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2358.617068][   T10]      ipv6_add_addr+0x411/0x2000
[ 2358.617068][   T10]      inet6_addr_add+0x30e/0xa40
[ 2358.617068][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2358.617068][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2358.617068][   T10]      netlink_rcv_skb+0x130/0x360
[ 2358.617068][   T10]      netlink_unicast+0x449/0x710
[ 2358.617068][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2358.617068][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2358.617068][   T10]      ___sys_sendmsg+0xee/0x170
[ 2358.617068][   T10]      __sys_sendmsg+0xcd/0x170
[ 2358.617068][   T10]      do_syscall_64+0xc6/0x1e0
[ 2358.617068][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2358.617068][   T10] 
[ 2358.619118][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2358.619118][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2358.619118][   T10]      ipv6_find_idev+0x102/0x170
[ 2358.619118][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2358.619118][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2358.619118][   T10]      netlink_rcv_skb+0x130/0x360
[ 2358.619118][   T10]      netlink_unicast+0x449/0x710
[ 2358.619118][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2358.619118][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2358.619118][   T10]      ___sys_sendmsg+0xee/0x170
[ 2358.619118][   T10]      __sys_sendmsg+0xcd/0x170
[ 2358.619118][   T10]      do_syscall_64+0xc6/0x1e0
[ 2358.619118][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2358.619118][   T10] 
[ 2358.620669][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2358.620669][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2358.620669][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2358.620669][   T10]      ipv6_find_idev+0x102/0x170
[ 2358.620669][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2358.620669][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2358.620669][   T10]      netlink_rcv_skb+0x130/0x360
[ 2358.620669][   T10]      netlink_unicast+0x449/0x710
[ 2358.620669][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2358.620669][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2358.620669][   T10]      ___sys_sendmsg+0xee/0x170
[ 2358.620669][   T10]      __sys_sendmsg+0xcd/0x170
[ 2358.620669][   T10]      do_syscall_64+0xc6/0x1e0
[ 2358.620669][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2358.620669][   T10] 
[ 2358.622381][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2358.622635][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2358.622635][   T10]      netdev_get_by_index+0x5e/0x80
[ 2358.622635][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2358.622635][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2358.622635][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2358.622635][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2358.622635][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2358.622635][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2358.622635][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2358.622635][   T10]      addrconf_dad_begin+0x310/0x670
[ 2358.622635][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2358.622635][   T10]      process_one_work+0x84d/0x18a0
[ 2358.622635][   T10]      worker_thread+0x587/0xd30
[ 2358.622635][   T10]      kthread+0x28a/0x350
[ 2358.622635][   T10]      ret_from_fork+0x31/0x70
[ 2358.622635][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2358.622635][   T10] 
[ 2358.624591][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2358.624591][   T10]      netdev_get_by_index+0x5e/0x80
[ 2358.624591][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2358.624591][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2358.624591][   T10]      ip6_route_add+0x1c/0x140
[ 2358.624591][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2358.624591][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2358.624591][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2358.624591][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2358.624591][   T10]      netlink_rcv_skb+0x130/0x360
[ 2358.624591][   T10]      netlink_unicast+0x449/0x710
[ 2358.624591][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2358.624591][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2358.624591][   T10]      ___sys_sendmsg+0xee/0x170
[ 2358.624591][   T10]      __sys_sendmsg+0xcd/0x170
[ 2358.624591][   T10]      do_syscall_64+0xc6/0x1e0
[ 2358.624591][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2358.624591][   T10] 
[ 2358.626604][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2358.626604][   T10]      netdev_get_by_index+0x5e/0x80
[ 2358.626604][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2358.626604][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2358.626604][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2358.626604][   T10]      ipv6_add_addr+0x411/0x2000
[ 2358.626604][   T10]      inet6_addr_add+0x30e/0xa40
[ 2358.626604][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2358.626604][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2358.626604][   T10]      netlink_rcv_skb+0x130/0x360
[ 2358.626604][   T10]      netlink_unicast+0x449/0x710
[ 2358.626604][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2358.626604][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2358.626604][   T10]      ___sys_sendmsg+0xee/0x170
[ 2358.626604][   T10]      __sys_sendmsg+0xcd/0x170
[ 2358.626604][   T10]      do_syscall_64+0xc6/0x1e0
[ 2358.626604][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2358.626604][   T10] 
[ 2358.628628][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2358.628628][   T10]      netdev_get_by_index+0x5e/0x80
[ 2358.628628][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2358.628628][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2358.628628][   T10]      ip6_route_add+0x1c/0x140
[ 2358.628628][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2358.628628][   T10]      addrconf_add_dev+0xe2/0x170
[ 2358.628628][   T10]      inet6_addr_add+0x12f/0xa40
[ 2358.628628][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2358.628628][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2358.628628][   T10]      netlink_rcv_skb+0x130/0x360
[ 2358.628628][   T10]      netlink_unicast+0x449/0x710
[ 2358.628628][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2358.628628][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2358.628628][   T10]      ___sys_sendmsg+0xee/0x170
[ 2358.628628][   T10]      __sys_sendmsg+0xcd/0x170
[ 2358.628628][   T10]      do_syscall_64+0xc6/0x1e0
[ 2358.628628][   T10] 
[ 2358.630611][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2358.630611][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2358.630611][   T10]      ipv6_find_idev+0x102/0x170
[ 2358.630611][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2358.630611][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2358.630611][   T10]      netlink_rcv_skb+0x130/0x360
[ 2358.630611][   T10]      netlink_unicast+0x449/0x710
[ 2358.630611][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2358.630611][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2358.630611][   T10]      ___sys_sendmsg+0xee/0x170
[ 2358.630611][   T10]      __sys_sendmsg+0xcd/0x170
[ 2358.630611][   T10]      do_syscall_64+0xc6/0x1e0
[ 2358.630611][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2358.630611][   T10] 
[ 2358.632169][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2358.632169][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2358.632169][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2358.632169][   T10]      ipv6_find_idev+0x102/0x170
[ 2358.632169][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2358.632169][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2358.632169][   T10]      netlink_rcv_skb+0x130/0x360
[ 2358.632169][   T10]      netlink_unicast+0x449/0x710
[ 2358.632169][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2358.632169][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2358.632169][   T10]      ___sys_sendmsg+0xee/0x170
[ 2358.632169][   T10]      __sys_sendmsg+0xcd/0x170
[ 2358.632169][   T10]      do_syscall_64+0xc6/0x1e0
[ 2358.632169][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2358.632169][   T10] 
[ 2368.664749][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2368.665148][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2368.665148][   T10]      netdev_get_by_index+0x5e/0x80
[ 2368.665148][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2368.665148][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2368.665148][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2368.665148][   T10]      ipv6_add_addr+0x411/0x2000
[ 2368.665148][   T10]      inet6_addr_add+0x30e/0xa40
[ 2368.665148][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2368.665148][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2368.665148][   T10]      netlink_rcv_skb+0x130/0x360
[ 2368.665148][   T10]      netlink_unicast+0x449/0x710
[ 2368.665148][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2368.665148][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2368.665148][   T10]      ___sys_sendmsg+0xee/0x170
[ 2368.665148][   T10]      __sys_sendmsg+0xcd/0x170
[ 2368.665148][   T10]      do_syscall_64+0xc6/0x1e0
[ 2368.665148][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2368.665148][   T10] 
[ 2368.667178][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2368.667178][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2368.667178][   T10]      ipv6_find_idev+0x102/0x170
[ 2368.667178][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2368.667178][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2368.667178][   T10]      netlink_rcv_skb+0x130/0x360
[ 2368.667178][   T10]      netlink_unicast+0x449/0x710
[ 2368.667178][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2368.667178][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2368.667178][   T10]      ___sys_sendmsg+0xee/0x170
[ 2368.667178][   T10]      __sys_sendmsg+0xcd/0x170
[ 2368.667178][   T10]      do_syscall_64+0xc6/0x1e0
[ 2368.667178][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2368.667178][   T10] 
[ 2368.668724][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2368.668724][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2368.668724][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2368.668724][   T10]      ipv6_find_idev+0x102/0x170
[ 2368.668724][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2368.668724][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2368.668724][   T10]      netlink_rcv_skb+0x130/0x360
[ 2368.668724][   T10]      netlink_unicast+0x449/0x710
[ 2368.668724][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2368.668724][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2368.668724][   T10]      ___sys_sendmsg+0xee/0x170
[ 2368.668724][   T10]      __sys_sendmsg+0xcd/0x170
[ 2368.668724][   T10]      do_syscall_64+0xc6/0x1e0
[ 2368.668724][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2368.668724][   T10] 
[ 2368.670421][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2368.670680][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2368.670680][   T10]      netdev_get_by_index+0x5e/0x80
[ 2368.670680][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2368.670680][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2368.670680][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2368.670680][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2368.670680][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2368.670680][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2368.670680][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2368.670680][   T10]      addrconf_dad_begin+0x310/0x670
[ 2368.670680][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2368.670680][   T10]      process_one_work+0x84d/0x18a0
[ 2368.670680][   T10]      worker_thread+0x587/0xd30
[ 2368.670680][   T10]      kthread+0x28a/0x350
[ 2368.670680][   T10]      ret_from_fork+0x31/0x70
[ 2368.670680][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2368.670680][   T10] 
[ 2368.672570][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2368.672570][   T10]      netdev_get_by_index+0x5e/0x80
[ 2368.672570][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2368.672570][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2368.672570][   T10]      ip6_route_add+0x1c/0x140
[ 2368.672570][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2368.672570][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2368.672570][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2368.672570][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2368.672570][   T10]      netlink_rcv_skb+0x130/0x360
[ 2368.672570][   T10]      netlink_unicast+0x449/0x710
[ 2368.672570][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2368.672570][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2368.672570][   T10]      ___sys_sendmsg+0xee/0x170
[ 2368.672570][   T10]      __sys_sendmsg+0xcd/0x170
[ 2368.672570][   T10]      do_syscall_64+0xc6/0x1e0
[ 2368.672570][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2368.672570][   T10] 
[ 2368.674626][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2368.674626][   T10]      netdev_get_by_index+0x5e/0x80
[ 2368.674626][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2368.674626][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2368.674626][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2368.674626][   T10]      ipv6_add_addr+0x411/0x2000
[ 2368.674626][   T10]      inet6_addr_add+0x30e/0xa40
[ 2368.674626][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2368.674626][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2368.674626][   T10]      netlink_rcv_skb+0x130/0x360
[ 2368.674626][   T10]      netlink_unicast+0x449/0x710
[ 2368.674626][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2368.674626][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2368.674626][   T10]      ___sys_sendmsg+0xee/0x170
[ 2368.674626][   T10]      __sys_sendmsg+0xcd/0x170
[ 2368.674626][   T10]      do_syscall_64+0xc6/0x1e0
[ 2368.674626][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2368.674626][   T10] 
[ 2368.676622][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2368.676622][   T10]      netdev_get_by_index+0x5e/0x80
[ 2368.676622][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2368.676622][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2368.676622][   T10]      ip6_route_add+0x1c/0x140
[ 2368.676622][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2368.676622][   T10]      addrconf_add_dev+0xe2/0x170
[ 2368.676622][   T10]      inet6_addr_add+0x12f/0xa40
[ 2368.676622][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2368.676622][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2368.676622][   T10]      netlink_rcv_skb+0x130/0x360
[ 2368.676622][   T10]      netlink_unicast+0x449/0x710
[ 2368.676622][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2368.676622][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2368.676622][   T10]      ___sys_sendmsg+0xee/0x170
[ 2368.676622][   T10]      __sys_sendmsg+0xcd/0x170
[ 2368.676622][   T10]      do_syscall_64+0xc6/0x1e0
[ 2368.676622][   T10] 
[ 2368.678730][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2368.678730][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2368.678730][   T10]      ipv6_find_idev+0x102/0x170
[ 2368.678730][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2368.678730][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2368.678730][   T10]      netlink_rcv_skb+0x130/0x360
[ 2368.678730][   T10]      netlink_unicast+0x449/0x710
[ 2368.678730][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2368.678730][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2368.678730][   T10]      ___sys_sendmsg+0xee/0x170
[ 2368.678730][   T10]      __sys_sendmsg+0xcd/0x170
[ 2368.678730][   T10]      do_syscall_64+0xc6/0x1e0
[ 2368.678730][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2368.678730][   T10] 
[ 2368.680273][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2368.680273][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2368.680273][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2368.680273][   T10]      ipv6_find_idev+0x102/0x170
[ 2368.680273][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2368.680273][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2368.680273][   T10]      netlink_rcv_skb+0x130/0x360
[ 2368.680273][   T10]      netlink_unicast+0x449/0x710
[ 2368.680273][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2368.680273][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2368.680273][   T10]      ___sys_sendmsg+0xee/0x170
[ 2368.680273][   T10]      __sys_sendmsg+0xcd/0x170
[ 2368.680273][   T10]      do_syscall_64+0xc6/0x1e0
[ 2368.680273][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2368.680273][   T10] 
[ 2378.808744][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2378.809199][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2378.809199][   T10]      netdev_get_by_index+0x5e/0x80
[ 2378.809199][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2378.809199][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2378.809199][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2378.809199][   T10]      ipv6_add_addr+0x411/0x2000
[ 2378.809199][   T10]      inet6_addr_add+0x30e/0xa40
[ 2378.809199][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2378.809199][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2378.809199][   T10]      netlink_rcv_skb+0x130/0x360
[ 2378.809199][   T10]      netlink_unicast+0x449/0x710
[ 2378.809199][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2378.809199][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2378.809199][   T10]      ___sys_sendmsg+0xee/0x170
[ 2378.809199][   T10]      __sys_sendmsg+0xcd/0x170
[ 2378.809199][   T10]      do_syscall_64+0xc6/0x1e0
[ 2378.809199][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2378.809199][   T10] 
[ 2378.811505][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2378.811505][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2378.811505][   T10]      ipv6_find_idev+0x102/0x170
[ 2378.811505][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2378.811505][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2378.811505][   T10]      netlink_rcv_skb+0x130/0x360
[ 2378.811505][   T10]      netlink_unicast+0x449/0x710
[ 2378.811505][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2378.811505][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2378.811505][   T10]      ___sys_sendmsg+0xee/0x170
[ 2378.811505][   T10]      __sys_sendmsg+0xcd/0x170
[ 2378.811505][   T10]      do_syscall_64+0xc6/0x1e0
[ 2378.811505][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2378.811505][   T10] 
[ 2378.813075][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2378.813075][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2378.813075][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2378.813075][   T10]      ipv6_find_idev+0x102/0x170
[ 2378.813075][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2378.813075][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2378.813075][   T10]      netlink_rcv_skb+0x130/0x360
[ 2378.813075][   T10]      netlink_unicast+0x449/0x710
[ 2378.813075][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2378.813075][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2378.813075][   T10]      ___sys_sendmsg+0xee/0x170
[ 2378.813075][   T10]      __sys_sendmsg+0xcd/0x170
[ 2378.813075][   T10]      do_syscall_64+0xc6/0x1e0
[ 2378.813075][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2378.813075][   T10] 
[ 2378.814769][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2378.815023][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2378.815023][   T10]      netdev_get_by_index+0x5e/0x80
[ 2378.815023][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2378.815023][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2378.815023][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2378.815023][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2378.815023][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2378.815023][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2378.815023][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2378.815023][   T10]      addrconf_dad_begin+0x310/0x670
[ 2378.815023][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2378.815023][   T10]      process_one_work+0x84d/0x18a0
[ 2378.815023][   T10]      worker_thread+0x587/0xd30
[ 2378.815023][   T10]      kthread+0x28a/0x350
[ 2378.815023][   T10]      ret_from_fork+0x31/0x70
[ 2378.815023][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2378.815023][   T10] 
[ 2378.816906][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2378.816906][   T10]      netdev_get_by_index+0x5e/0x80
[ 2378.816906][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2378.816906][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2378.816906][   T10]      ip6_route_add+0x1c/0x140
[ 2378.816906][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2378.816906][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2378.816906][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2378.816906][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2378.816906][   T10]      netlink_rcv_skb+0x130/0x360
[ 2378.816906][   T10]      netlink_unicast+0x449/0x710
[ 2378.816906][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2378.816906][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2378.816906][   T10]      ___sys_sendmsg+0xee/0x170
[ 2378.816906][   T10]      __sys_sendmsg+0xcd/0x170
[ 2378.816906][   T10]      do_syscall_64+0xc6/0x1e0
[ 2378.816906][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2378.816906][   T10] 
[ 2378.818905][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2378.818905][   T10]      netdev_get_by_index+0x5e/0x80
[ 2378.818905][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2378.818905][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2378.818905][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2378.818905][   T10]      ipv6_add_addr+0x411/0x2000
[ 2378.818905][   T10]      inet6_addr_add+0x30e/0xa40
[ 2378.818905][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2378.818905][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2378.818905][   T10]      netlink_rcv_skb+0x130/0x360
[ 2378.818905][   T10]      netlink_unicast+0x449/0x710
[ 2378.818905][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2378.818905][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2378.818905][   T10]      ___sys_sendmsg+0xee/0x170
[ 2378.818905][   T10]      __sys_sendmsg+0xcd/0x170
[ 2378.818905][   T10]      do_syscall_64+0xc6/0x1e0
[ 2378.818905][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2378.818905][   T10] 
[ 2378.820902][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2378.820902][   T10]      netdev_get_by_index+0x5e/0x80
[ 2378.820902][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2378.820902][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2378.820902][   T10]      ip6_route_add+0x1c/0x140
[ 2378.820902][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2378.820902][   T10]      addrconf_add_dev+0xe2/0x170
[ 2378.820902][   T10]      inet6_addr_add+0x12f/0xa40
[ 2378.820902][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2378.820902][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2378.820902][   T10]      netlink_rcv_skb+0x130/0x360
[ 2378.820902][   T10]      netlink_unicast+0x449/0x710
[ 2378.820902][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2378.820902][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2378.820902][   T10]      ___sys_sendmsg+0xee/0x170
[ 2378.820902][   T10]      __sys_sendmsg+0xcd/0x170
[ 2378.820902][   T10]      do_syscall_64+0xc6/0x1e0
[ 2378.820902][   T10] 
[ 2378.822882][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2378.822882][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2378.822882][   T10]      ipv6_find_idev+0x102/0x170
[ 2378.822882][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2378.822882][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2378.822882][   T10]      netlink_rcv_skb+0x130/0x360
[ 2378.822882][   T10]      netlink_unicast+0x449/0x710
[ 2378.822882][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2378.822882][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2378.822882][   T10]      ___sys_sendmsg+0xee/0x170
[ 2378.822882][   T10]      __sys_sendmsg+0xcd/0x170
[ 2378.822882][   T10]      do_syscall_64+0xc6/0x1e0
[ 2378.822882][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2378.822882][   T10] 
[ 2378.824414][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2378.824414][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2378.824414][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2378.824414][   T10]      ipv6_find_idev+0x102/0x170
[ 2378.824414][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2378.824414][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2378.824414][   T10]      netlink_rcv_skb+0x130/0x360
[ 2378.824414][   T10]      netlink_unicast+0x449/0x710
[ 2378.824414][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2378.824414][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2378.824414][   T10]      ___sys_sendmsg+0xee/0x170
[ 2378.824414][   T10]      __sys_sendmsg+0xcd/0x170
[ 2378.824414][   T10]      do_syscall_64+0xc6/0x1e0
[ 2378.824414][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2378.824414][   T10] 
[ 2388.936748][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2388.937236][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2388.937236][   T10]      netdev_get_by_index+0x5e/0x80
[ 2388.937236][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2388.937236][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2388.937236][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2388.937236][   T10]      ipv6_add_addr+0x411/0x2000
[ 2388.937236][   T10]      inet6_addr_add+0x30e/0xa40
[ 2388.937236][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2388.937236][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2388.937236][   T10]      netlink_rcv_skb+0x130/0x360
[ 2388.937236][   T10]      netlink_unicast+0x449/0x710
[ 2388.937236][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2388.937236][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2388.937236][   T10]      ___sys_sendmsg+0xee/0x170
[ 2388.937236][   T10]      __sys_sendmsg+0xcd/0x170
[ 2388.937236][   T10]      do_syscall_64+0xc6/0x1e0
[ 2388.937236][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2388.937236][   T10] 
[ 2388.939271][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2388.939271][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2388.939271][   T10]      ipv6_find_idev+0x102/0x170
[ 2388.939271][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2388.939271][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2388.939271][   T10]      netlink_rcv_skb+0x130/0x360
[ 2388.939271][   T10]      netlink_unicast+0x449/0x710
[ 2388.939271][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2388.939271][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2388.939271][   T10]      ___sys_sendmsg+0xee/0x170
[ 2388.939271][   T10]      __sys_sendmsg+0xcd/0x170
[ 2388.939271][   T10]      do_syscall_64+0xc6/0x1e0
[ 2388.939271][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2388.939271][   T10] 
[ 2388.940821][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2388.940821][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2388.940821][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2388.940821][   T10]      ipv6_find_idev+0x102/0x170
[ 2388.940821][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2388.940821][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2388.940821][   T10]      netlink_rcv_skb+0x130/0x360
[ 2388.940821][   T10]      netlink_unicast+0x449/0x710
[ 2388.940821][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2388.940821][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2388.940821][   T10]      ___sys_sendmsg+0xee/0x170
[ 2388.940821][   T10]      __sys_sendmsg+0xcd/0x170
[ 2388.940821][   T10]      do_syscall_64+0xc6/0x1e0
[ 2388.940821][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2388.940821][   T10] 
[ 2388.942522][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2388.942786][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2388.942786][   T10]      netdev_get_by_index+0x5e/0x80
[ 2388.942786][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2388.942786][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2388.942786][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2388.942786][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2388.942786][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2388.942786][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2388.942786][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2388.942786][   T10]      addrconf_dad_begin+0x310/0x670
[ 2388.942786][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2388.942786][   T10]      process_one_work+0x84d/0x18a0
[ 2388.942786][   T10]      worker_thread+0x587/0xd30
[ 2388.942786][   T10]      kthread+0x28a/0x350
[ 2388.942786][   T10]      ret_from_fork+0x31/0x70
[ 2388.942786][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2388.942786][   T10] 
[ 2388.944678][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2388.944678][   T10]      netdev_get_by_index+0x5e/0x80
[ 2388.944678][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2388.944678][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2388.944678][   T10]      ip6_route_add+0x1c/0x140
[ 2388.944678][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2388.944678][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2388.944678][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2388.944678][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2388.944678][   T10]      netlink_rcv_skb+0x130/0x360
[ 2388.944678][   T10]      netlink_unicast+0x449/0x710
[ 2388.944678][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2388.944678][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2388.944678][   T10]      ___sys_sendmsg+0xee/0x170
[ 2388.944678][   T10]      __sys_sendmsg+0xcd/0x170
[ 2388.944678][   T10]      do_syscall_64+0xc6/0x1e0
[ 2388.944678][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2388.944678][   T10] 
[ 2388.946672][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2388.946672][   T10]      netdev_get_by_index+0x5e/0x80
[ 2388.946672][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2388.946672][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2388.946672][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2388.946672][   T10]      ipv6_add_addr+0x411/0x2000
[ 2388.946672][   T10]      inet6_addr_add+0x30e/0xa40
[ 2388.946672][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2388.946672][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2388.946672][   T10]      netlink_rcv_skb+0x130/0x360
[ 2388.946672][   T10]      netlink_unicast+0x449/0x710
[ 2388.946672][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2388.946672][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2388.946672][   T10]      ___sys_sendmsg+0xee/0x170
[ 2388.946672][   T10]      __sys_sendmsg+0xcd/0x170
[ 2388.946672][   T10]      do_syscall_64+0xc6/0x1e0
[ 2388.946672][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2388.946672][   T10] 
[ 2388.948676][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2388.948676][   T10]      netdev_get_by_index+0x5e/0x80
[ 2388.948676][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2388.948676][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2388.948676][   T10]      ip6_route_add+0x1c/0x140
[ 2388.948676][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2388.948676][   T10]      addrconf_add_dev+0xe2/0x170
[ 2388.948676][   T10]      inet6_addr_add+0x12f/0xa40
[ 2388.948676][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2388.948676][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2388.948676][   T10]      netlink_rcv_skb+0x130/0x360
[ 2388.948676][   T10]      netlink_unicast+0x449/0x710
[ 2388.948676][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2388.948676][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2388.948676][   T10]      ___sys_sendmsg+0xee/0x170
[ 2388.948676][   T10]      __sys_sendmsg+0xcd/0x170
[ 2388.948676][   T10]      do_syscall_64+0xc6/0x1e0
[ 2388.948676][   T10] 
[ 2388.950636][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2388.950636][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2388.950636][   T10]      ipv6_find_idev+0x102/0x170
[ 2388.950636][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2388.950636][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2388.950636][   T10]      netlink_rcv_skb+0x130/0x360
[ 2388.950636][   T10]      netlink_unicast+0x449/0x710
[ 2388.950636][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2388.950636][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2388.950636][   T10]      ___sys_sendmsg+0xee/0x170
[ 2388.950636][   T10]      __sys_sendmsg+0xcd/0x170
[ 2388.950636][   T10]      do_syscall_64+0xc6/0x1e0
[ 2388.950636][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2388.950636][   T10] 
[ 2388.952186][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2388.952186][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2388.952186][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2388.952186][   T10]      ipv6_find_idev+0x102/0x170
[ 2388.952186][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2388.952186][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2388.952186][   T10]      netlink_rcv_skb+0x130/0x360
[ 2388.952186][   T10]      netlink_unicast+0x449/0x710
[ 2388.952186][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2388.952186][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2388.952186][   T10]      ___sys_sendmsg+0xee/0x170
[ 2388.952186][   T10]      __sys_sendmsg+0xcd/0x170
[ 2388.952186][   T10]      do_syscall_64+0xc6/0x1e0
[ 2388.952186][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2388.952186][   T10] 
[ 2398.984739][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2398.985190][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2398.985190][   T10]      netdev_get_by_index+0x5e/0x80
[ 2398.985190][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2398.985190][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2398.985190][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2398.985190][   T10]      ipv6_add_addr+0x411/0x2000
[ 2398.985190][   T10]      inet6_addr_add+0x30e/0xa40
[ 2398.985190][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2398.985190][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2398.985190][   T10]      netlink_rcv_skb+0x130/0x360
[ 2398.985190][   T10]      netlink_unicast+0x449/0x710
[ 2398.985190][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2398.985190][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2398.985190][   T10]      ___sys_sendmsg+0xee/0x170
[ 2398.985190][   T10]      __sys_sendmsg+0xcd/0x170
[ 2398.985190][   T10]      do_syscall_64+0xc6/0x1e0
[ 2398.985190][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2398.985190][   T10] 
[ 2398.987781][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2398.987781][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2398.987781][   T10]      ipv6_find_idev+0x102/0x170
[ 2398.987781][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2398.987781][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2398.987781][   T10]      netlink_rcv_skb+0x130/0x360
[ 2398.987781][   T10]      netlink_unicast+0x449/0x710
[ 2398.987781][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2398.987781][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2398.987781][   T10]      ___sys_sendmsg+0xee/0x170
[ 2398.987781][   T10]      __sys_sendmsg+0xcd/0x170
[ 2398.987781][   T10]      do_syscall_64+0xc6/0x1e0
[ 2398.987781][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2398.987781][   T10] 
[ 2398.989330][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2398.989330][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2398.989330][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2398.989330][   T10]      ipv6_find_idev+0x102/0x170
[ 2398.989330][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2398.989330][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2398.989330][   T10]      netlink_rcv_skb+0x130/0x360
[ 2398.989330][   T10]      netlink_unicast+0x449/0x710
[ 2398.989330][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2398.989330][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2398.989330][   T10]      ___sys_sendmsg+0xee/0x170
[ 2398.989330][   T10]      __sys_sendmsg+0xcd/0x170
[ 2398.989330][   T10]      do_syscall_64+0xc6/0x1e0
[ 2398.989330][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2398.989330][   T10] 
[ 2398.991085][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2398.991350][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2398.991350][   T10]      netdev_get_by_index+0x5e/0x80
[ 2398.991350][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2398.991350][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2398.991350][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2398.991350][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2398.991350][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2398.991350][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2398.991350][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2398.991350][   T10]      addrconf_dad_begin+0x310/0x670
[ 2398.991350][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2398.991350][   T10]      process_one_work+0x84d/0x18a0
[ 2398.991350][   T10]      worker_thread+0x587/0xd30
[ 2398.991350][   T10]      kthread+0x28a/0x350
[ 2398.991350][   T10]      ret_from_fork+0x31/0x70
[ 2398.991350][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2398.991350][   T10] 
[ 2398.993246][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2398.993246][   T10]      netdev_get_by_index+0x5e/0x80
[ 2398.993246][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2398.993246][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2398.993246][   T10]      ip6_route_add+0x1c/0x140
[ 2398.993246][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2398.993246][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2398.993246][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2398.993246][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2398.993246][   T10]      netlink_rcv_skb+0x130/0x360
[ 2398.993246][   T10]      netlink_unicast+0x449/0x710
[ 2398.993246][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2398.993246][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2398.993246][   T10]      ___sys_sendmsg+0xee/0x170
[ 2398.993246][   T10]      __sys_sendmsg+0xcd/0x170
[ 2398.993246][   T10]      do_syscall_64+0xc6/0x1e0
[ 2398.993246][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2398.993246][   T10] 
[ 2398.995258][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2398.995258][   T10]      netdev_get_by_index+0x5e/0x80
[ 2398.995258][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2398.995258][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2398.995258][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2398.995258][   T10]      ipv6_add_addr+0x411/0x2000
[ 2398.995258][   T10]      inet6_addr_add+0x30e/0xa40
[ 2398.995258][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2398.995258][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2398.995258][   T10]      netlink_rcv_skb+0x130/0x360
[ 2398.995258][   T10]      netlink_unicast+0x449/0x710
[ 2398.995258][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2398.995258][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2398.995258][   T10]      ___sys_sendmsg+0xee/0x170
[ 2398.995258][   T10]      __sys_sendmsg+0xcd/0x170
[ 2398.995258][   T10]      do_syscall_64+0xc6/0x1e0
[ 2398.995258][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2398.995258][   T10] 
[ 2398.997253][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2398.997253][   T10]      netdev_get_by_index+0x5e/0x80
[ 2398.997253][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2398.997253][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2398.997253][   T10]      ip6_route_add+0x1c/0x140
[ 2398.997253][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2398.997253][   T10]      addrconf_add_dev+0xe2/0x170
[ 2398.997253][   T10]      inet6_addr_add+0x12f/0xa40
[ 2398.997253][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2398.997253][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2398.997253][   T10]      netlink_rcv_skb+0x130/0x360
[ 2398.997253][   T10]      netlink_unicast+0x449/0x710
[ 2398.997253][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2398.997253][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2398.997253][   T10]      ___sys_sendmsg+0xee/0x170
[ 2398.997253][   T10]      __sys_sendmsg+0xcd/0x170
[ 2398.997253][   T10]      do_syscall_64+0xc6/0x1e0
[ 2398.997253][   T10] 
[ 2398.999208][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2398.999208][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2398.999208][   T10]      ipv6_find_idev+0x102/0x170
[ 2398.999208][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2398.999208][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2398.999208][   T10]      netlink_rcv_skb+0x130/0x360
[ 2398.999208][   T10]      netlink_unicast+0x449/0x710
[ 2398.999208][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2398.999208][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2398.999208][   T10]      ___sys_sendmsg+0xee/0x170
[ 2398.999208][   T10]      __sys_sendmsg+0xcd/0x170
[ 2398.999208][   T10]      do_syscall_64+0xc6/0x1e0
[ 2398.999208][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2398.999208][   T10] 
[ 2399.000744][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2399.000744][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2399.000744][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2399.000744][   T10]      ipv6_find_idev+0x102/0x170
[ 2399.000744][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2399.000744][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2399.000744][   T10]      netlink_rcv_skb+0x130/0x360
[ 2399.000744][   T10]      netlink_unicast+0x449/0x710
[ 2399.000744][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2399.000744][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2399.000744][   T10]      ___sys_sendmsg+0xee/0x170
[ 2399.000744][   T10]      __sys_sendmsg+0xcd/0x170
[ 2399.000744][   T10]      do_syscall_64+0xc6/0x1e0
[ 2399.000744][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2399.000744][   T10] 
[ 2409.152702][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2409.153154][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2409.153154][   T10]      netdev_get_by_index+0x5e/0x80
[ 2409.153154][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2409.153154][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2409.153154][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2409.153154][   T10]      ipv6_add_addr+0x411/0x2000
[ 2409.153154][   T10]      inet6_addr_add+0x30e/0xa40
[ 2409.153154][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2409.153154][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2409.153154][   T10]      netlink_rcv_skb+0x130/0x360
[ 2409.153154][   T10]      netlink_unicast+0x449/0x710
[ 2409.153154][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2409.153154][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2409.153154][   T10]      ___sys_sendmsg+0xee/0x170
[ 2409.153154][   T10]      __sys_sendmsg+0xcd/0x170
[ 2409.153154][   T10]      do_syscall_64+0xc6/0x1e0
[ 2409.153154][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2409.153154][   T10] 
[ 2409.155186][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2409.155186][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2409.155186][   T10]      ipv6_find_idev+0x102/0x170
[ 2409.155186][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2409.155186][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2409.155186][   T10]      netlink_rcv_skb+0x130/0x360
[ 2409.155186][   T10]      netlink_unicast+0x449/0x710
[ 2409.155186][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2409.155186][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2409.155186][   T10]      ___sys_sendmsg+0xee/0x170
[ 2409.155186][   T10]      __sys_sendmsg+0xcd/0x170
[ 2409.155186][   T10]      do_syscall_64+0xc6/0x1e0
[ 2409.155186][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2409.155186][   T10] 
[ 2409.156731][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2409.156731][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2409.156731][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2409.156731][   T10]      ipv6_find_idev+0x102/0x170
[ 2409.156731][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2409.156731][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2409.156731][   T10]      netlink_rcv_skb+0x130/0x360
[ 2409.156731][   T10]      netlink_unicast+0x449/0x710
[ 2409.156731][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2409.156731][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2409.156731][   T10]      ___sys_sendmsg+0xee/0x170
[ 2409.156731][   T10]      __sys_sendmsg+0xcd/0x170
[ 2409.156731][   T10]      do_syscall_64+0xc6/0x1e0
[ 2409.156731][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2409.156731][   T10] 
[ 2409.158419][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2409.158675][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2409.158675][   T10]      netdev_get_by_index+0x5e/0x80
[ 2409.158675][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2409.158675][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2409.158675][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2409.158675][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2409.158675][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2409.158675][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2409.158675][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2409.158675][   T10]      addrconf_dad_begin+0x310/0x670
[ 2409.158675][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2409.158675][   T10]      process_one_work+0x84d/0x18a0
[ 2409.158675][   T10]      worker_thread+0x587/0xd30
[ 2409.158675][   T10]      kthread+0x28a/0x350
[ 2409.158675][   T10]      ret_from_fork+0x31/0x70
[ 2409.158675][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2409.158675][   T10] 
[ 2409.160558][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2409.160558][   T10]      netdev_get_by_index+0x5e/0x80
[ 2409.160558][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2409.160558][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2409.160558][   T10]      ip6_route_add+0x1c/0x140
[ 2409.160558][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2409.160558][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2409.160558][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2409.160558][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2409.160558][   T10]      netlink_rcv_skb+0x130/0x360
[ 2409.160558][   T10]      netlink_unicast+0x449/0x710
[ 2409.160558][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2409.160558][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2409.160558][   T10]      ___sys_sendmsg+0xee/0x170
[ 2409.160558][   T10]      __sys_sendmsg+0xcd/0x170
[ 2409.160558][   T10]      do_syscall_64+0xc6/0x1e0
[ 2409.160558][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2409.160558][   T10] 
[ 2409.162582][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2409.162582][   T10]      netdev_get_by_index+0x5e/0x80
[ 2409.162582][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2409.162582][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2409.162582][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2409.162582][   T10]      ipv6_add_addr+0x411/0x2000
[ 2409.162582][   T10]      inet6_addr_add+0x30e/0xa40
[ 2409.162582][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2409.162582][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2409.162582][   T10]      netlink_rcv_skb+0x130/0x360
[ 2409.162582][   T10]      netlink_unicast+0x449/0x710
[ 2409.162582][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2409.162582][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2409.162582][   T10]      ___sys_sendmsg+0xee/0x170
[ 2409.162582][   T10]      __sys_sendmsg+0xcd/0x170
[ 2409.162582][   T10]      do_syscall_64+0xc6/0x1e0
[ 2409.162582][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2409.162582][   T10] 
[ 2409.164580][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2409.164580][   T10]      netdev_get_by_index+0x5e/0x80
[ 2409.164580][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2409.164580][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2409.164580][   T10]      ip6_route_add+0x1c/0x140
[ 2409.164580][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2409.164580][   T10]      addrconf_add_dev+0xe2/0x170
[ 2409.164580][   T10]      inet6_addr_add+0x12f/0xa40
[ 2409.164580][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2409.164580][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2409.164580][   T10]      netlink_rcv_skb+0x130/0x360
[ 2409.164580][   T10]      netlink_unicast+0x449/0x710
[ 2409.164580][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2409.164580][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2409.164580][   T10]      ___sys_sendmsg+0xee/0x170
[ 2409.164580][   T10]      __sys_sendmsg+0xcd/0x170
[ 2409.164580][   T10]      do_syscall_64+0xc6/0x1e0
[ 2409.164580][   T10] 
[ 2409.166549][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2409.166549][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2409.166549][   T10]      ipv6_find_idev+0x102/0x170
[ 2409.166549][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2409.166549][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2409.166549][   T10]      netlink_rcv_skb+0x130/0x360
[ 2409.166549][   T10]      netlink_unicast+0x449/0x710
[ 2409.166549][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2409.166549][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2409.166549][   T10]      ___sys_sendmsg+0xee/0x170
[ 2409.166549][   T10]      __sys_sendmsg+0xcd/0x170
[ 2409.166549][   T10]      do_syscall_64+0xc6/0x1e0
[ 2409.166549][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2409.166549][   T10] 
[ 2409.168099][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2409.168099][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2409.168099][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2409.168099][   T10]      ipv6_find_idev+0x102/0x170
[ 2409.168099][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2409.168099][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2409.168099][   T10]      netlink_rcv_skb+0x130/0x360
[ 2409.168099][   T10]      netlink_unicast+0x449/0x710
[ 2409.168099][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2409.168099][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2409.168099][   T10]      ___sys_sendmsg+0xee/0x170
[ 2409.168099][   T10]      __sys_sendmsg+0xcd/0x170
[ 2409.168099][   T10]      do_syscall_64+0xc6/0x1e0
[ 2409.168099][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2409.168099][   T10] 
[ 2419.408815][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2419.409234][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2419.409234][   T10]      netdev_get_by_index+0x5e/0x80
[ 2419.409234][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2419.409234][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2419.409234][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2419.409234][   T10]      ipv6_add_addr+0x411/0x2000
[ 2419.409234][   T10]      inet6_addr_add+0x30e/0xa40
[ 2419.409234][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2419.409234][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2419.409234][   T10]      netlink_rcv_skb+0x130/0x360
[ 2419.409234][   T10]      netlink_unicast+0x449/0x710
[ 2419.409234][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2419.409234][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2419.409234][   T10]      ___sys_sendmsg+0xee/0x170
[ 2419.409234][   T10]      __sys_sendmsg+0xcd/0x170
[ 2419.409234][   T10]      do_syscall_64+0xc6/0x1e0
[ 2419.409234][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2419.409234][   T10] 
[ 2419.411298][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2419.411298][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2419.411298][   T10]      ipv6_find_idev+0x102/0x170
[ 2419.411298][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2419.411298][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2419.411298][   T10]      netlink_rcv_skb+0x130/0x360
[ 2419.411298][   T10]      netlink_unicast+0x449/0x710
[ 2419.411298][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2419.411298][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2419.411298][   T10]      ___sys_sendmsg+0xee/0x170
[ 2419.411298][   T10]      __sys_sendmsg+0xcd/0x170
[ 2419.411298][   T10]      do_syscall_64+0xc6/0x1e0
[ 2419.411298][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2419.411298][   T10] 
[ 2419.412881][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2419.412881][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2419.412881][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2419.412881][   T10]      ipv6_find_idev+0x102/0x170
[ 2419.412881][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2419.412881][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2419.412881][   T10]      netlink_rcv_skb+0x130/0x360
[ 2419.412881][   T10]      netlink_unicast+0x449/0x710
[ 2419.412881][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2419.412881][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2419.412881][   T10]      ___sys_sendmsg+0xee/0x170
[ 2419.412881][   T10]      __sys_sendmsg+0xcd/0x170
[ 2419.412881][   T10]      do_syscall_64+0xc6/0x1e0
[ 2419.412881][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2419.412881][   T10] 
[ 2419.414605][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2419.414891][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2419.414891][   T10]      netdev_get_by_index+0x5e/0x80
[ 2419.414891][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2419.414891][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2419.414891][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2419.414891][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2419.414891][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2419.414891][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2419.414891][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2419.414891][   T10]      addrconf_dad_begin+0x310/0x670
[ 2419.414891][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2419.414891][   T10]      process_one_work+0x84d/0x18a0
[ 2419.414891][   T10]      worker_thread+0x587/0xd30
[ 2419.414891][   T10]      kthread+0x28a/0x350
[ 2419.414891][   T10]      ret_from_fork+0x31/0x70
[ 2419.414891][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2419.414891][   T10] 
[ 2419.416797][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2419.416797][   T10]      netdev_get_by_index+0x5e/0x80
[ 2419.416797][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2419.416797][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2419.416797][   T10]      ip6_route_add+0x1c/0x140
[ 2419.416797][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2419.416797][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2419.416797][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2419.416797][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2419.416797][   T10]      netlink_rcv_skb+0x130/0x360
[ 2419.416797][   T10]      netlink_unicast+0x449/0x710
[ 2419.416797][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2419.416797][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2419.416797][   T10]      ___sys_sendmsg+0xee/0x170
[ 2419.416797][   T10]      __sys_sendmsg+0xcd/0x170
[ 2419.416797][   T10]      do_syscall_64+0xc6/0x1e0
[ 2419.416797][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2419.416797][   T10] 
[ 2419.418820][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2419.418820][   T10]      netdev_get_by_index+0x5e/0x80
[ 2419.418820][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2419.418820][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2419.418820][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2419.418820][   T10]      ipv6_add_addr+0x411/0x2000
[ 2419.418820][   T10]      inet6_addr_add+0x30e/0xa40
[ 2419.418820][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2419.418820][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2419.418820][   T10]      netlink_rcv_skb+0x130/0x360
[ 2419.418820][   T10]      netlink_unicast+0x449/0x710
[ 2419.418820][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2419.418820][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2419.418820][   T10]      ___sys_sendmsg+0xee/0x170
[ 2419.418820][   T10]      __sys_sendmsg+0xcd/0x170
[ 2419.418820][   T10]      do_syscall_64+0xc6/0x1e0
[ 2419.418820][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2419.418820][   T10] 
[ 2419.445087][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2419.445087][   T10]      netdev_get_by_index+0x5e/0x80
[ 2419.445087][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2419.445087][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2419.445087][   T10]      ip6_route_add+0x1c/0x140
[ 2419.445087][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2419.445087][   T10]      addrconf_add_dev+0xe2/0x170
[ 2419.445087][   T10]      inet6_addr_add+0x12f/0xa40
[ 2419.445087][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2419.445087][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2419.445087][   T10]      netlink_rcv_skb+0x130/0x360
[ 2419.445087][   T10]      netlink_unicast+0x449/0x710
[ 2419.445087][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2419.445087][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2419.445087][   T10]      ___sys_sendmsg+0xee/0x170
[ 2419.445087][   T10]      __sys_sendmsg+0xcd/0x170
[ 2419.445087][   T10]      do_syscall_64+0xc6/0x1e0
[ 2419.445087][   T10] 
[ 2419.447226][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2419.447226][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2419.447226][   T10]      ipv6_find_idev+0x102/0x170
[ 2419.447226][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2419.447226][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2419.447226][   T10]      netlink_rcv_skb+0x130/0x360
[ 2419.447226][   T10]      netlink_unicast+0x449/0x710
[ 2419.447226][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2419.447226][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2419.447226][   T10]      ___sys_sendmsg+0xee/0x170
[ 2419.447226][   T10]      __sys_sendmsg+0xcd/0x170
[ 2419.447226][   T10]      do_syscall_64+0xc6/0x1e0
[ 2419.447226][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2419.447226][   T10] 
[ 2419.448786][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2419.448786][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2419.448786][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2419.448786][   T10]      ipv6_find_idev+0x102/0x170
[ 2419.448786][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2419.448786][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2419.448786][   T10]      netlink_rcv_skb+0x130/0x360
[ 2419.448786][   T10]      netlink_unicast+0x449/0x710
[ 2419.448786][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2419.448786][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2419.448786][   T10]      ___sys_sendmsg+0xee/0x170
[ 2419.448786][   T10]      __sys_sendmsg+0xcd/0x170
[ 2419.448786][   T10]      do_syscall_64+0xc6/0x1e0
[ 2419.448786][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2419.448786][   T10] 
[ 2429.704768][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2429.705158][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2429.705158][   T10]      netdev_get_by_index+0x5e/0x80
[ 2429.705158][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2429.705158][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2429.705158][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2429.705158][   T10]      ipv6_add_addr+0x411/0x2000
[ 2429.705158][   T10]      inet6_addr_add+0x30e/0xa40
[ 2429.705158][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2429.705158][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2429.705158][   T10]      netlink_rcv_skb+0x130/0x360
[ 2429.705158][   T10]      netlink_unicast+0x449/0x710
[ 2429.705158][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2429.705158][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2429.705158][   T10]      ___sys_sendmsg+0xee/0x170
[ 2429.705158][   T10]      __sys_sendmsg+0xcd/0x170
[ 2429.705158][   T10]      do_syscall_64+0xc6/0x1e0
[ 2429.705158][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2429.705158][   T10] 
[ 2429.707212][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2429.707212][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2429.707212][   T10]      ipv6_find_idev+0x102/0x170
[ 2429.707212][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2429.707212][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2429.707212][   T10]      netlink_rcv_skb+0x130/0x360
[ 2429.707212][   T10]      netlink_unicast+0x449/0x710
[ 2429.707212][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2429.707212][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2429.707212][   T10]      ___sys_sendmsg+0xee/0x170
[ 2429.707212][   T10]      __sys_sendmsg+0xcd/0x170
[ 2429.707212][   T10]      do_syscall_64+0xc6/0x1e0
[ 2429.707212][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2429.707212][   T10] 
[ 2429.708768][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2429.708768][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2429.708768][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2429.708768][   T10]      ipv6_find_idev+0x102/0x170
[ 2429.708768][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2429.708768][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2429.708768][   T10]      netlink_rcv_skb+0x130/0x360
[ 2429.708768][   T10]      netlink_unicast+0x449/0x710
[ 2429.708768][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2429.708768][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2429.708768][   T10]      ___sys_sendmsg+0xee/0x170
[ 2429.708768][   T10]      __sys_sendmsg+0xcd/0x170
[ 2429.708768][   T10]      do_syscall_64+0xc6/0x1e0
[ 2429.708768][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2429.708768][   T10] 
[ 2429.710488][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2429.710759][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2429.710759][   T10]      netdev_get_by_index+0x5e/0x80
[ 2429.710759][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2429.710759][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2429.710759][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2429.710759][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2429.710759][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2429.710759][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2429.710759][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2429.710759][   T10]      addrconf_dad_begin+0x310/0x670
[ 2429.710759][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2429.710759][   T10]      process_one_work+0x84d/0x18a0
[ 2429.710759][   T10]      worker_thread+0x587/0xd30
[ 2429.710759][   T10]      kthread+0x28a/0x350
[ 2429.710759][   T10]      ret_from_fork+0x31/0x70
[ 2429.710759][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2429.710759][   T10] 
[ 2429.712658][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2429.712658][   T10]      netdev_get_by_index+0x5e/0x80
[ 2429.712658][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2429.712658][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2429.712658][   T10]      ip6_route_add+0x1c/0x140
[ 2429.712658][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2429.712658][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2429.712658][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2429.712658][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2429.712658][   T10]      netlink_rcv_skb+0x130/0x360
[ 2429.712658][   T10]      netlink_unicast+0x449/0x710
[ 2429.712658][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2429.712658][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2429.712658][   T10]      ___sys_sendmsg+0xee/0x170
[ 2429.712658][   T10]      __sys_sendmsg+0xcd/0x170
[ 2429.712658][   T10]      do_syscall_64+0xc6/0x1e0
[ 2429.712658][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2429.712658][   T10] 
[ 2429.714663][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2429.714663][   T10]      netdev_get_by_index+0x5e/0x80
[ 2429.714663][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2429.714663][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2429.714663][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2429.714663][   T10]      ipv6_add_addr+0x411/0x2000
[ 2429.714663][   T10]      inet6_addr_add+0x30e/0xa40
[ 2429.714663][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2429.714663][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2429.714663][   T10]      netlink_rcv_skb+0x130/0x360
[ 2429.714663][   T10]      netlink_unicast+0x449/0x710
[ 2429.714663][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2429.714663][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2429.714663][   T10]      ___sys_sendmsg+0xee/0x170
[ 2429.714663][   T10]      __sys_sendmsg+0xcd/0x170
[ 2429.714663][   T10]      do_syscall_64+0xc6/0x1e0
[ 2429.714663][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2429.714663][   T10] 
[ 2429.716670][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2429.716670][   T10]      netdev_get_by_index+0x5e/0x80
[ 2429.716670][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2429.716670][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2429.716670][   T10]      ip6_route_add+0x1c/0x140
[ 2429.716670][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2429.716670][   T10]      addrconf_add_dev+0xe2/0x170
[ 2429.716670][   T10]      inet6_addr_add+0x12f/0xa40
[ 2429.716670][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2429.716670][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2429.716670][   T10]      netlink_rcv_skb+0x130/0x360
[ 2429.716670][   T10]      netlink_unicast+0x449/0x710
[ 2429.716670][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2429.716670][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2429.716670][   T10]      ___sys_sendmsg+0xee/0x170
[ 2429.716670][   T10]      __sys_sendmsg+0xcd/0x170
[ 2429.716670][   T10]      do_syscall_64+0xc6/0x1e0
[ 2429.716670][   T10] 
[ 2429.718636][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2429.718636][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2429.718636][   T10]      ipv6_find_idev+0x102/0x170
[ 2429.718636][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2429.718636][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2429.718636][   T10]      netlink_rcv_skb+0x130/0x360
[ 2429.718636][   T10]      netlink_unicast+0x449/0x710
[ 2429.718636][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2429.718636][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2429.718636][   T10]      ___sys_sendmsg+0xee/0x170
[ 2429.718636][   T10]      __sys_sendmsg+0xcd/0x170
[ 2429.718636][   T10]      do_syscall_64+0xc6/0x1e0
[ 2429.718636][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2429.718636][   T10] 
[ 2429.720207][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2429.720207][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2429.720207][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2429.720207][   T10]      ipv6_find_idev+0x102/0x170
[ 2429.720207][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2429.720207][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2429.720207][   T10]      netlink_rcv_skb+0x130/0x360
[ 2429.720207][   T10]      netlink_unicast+0x449/0x710
[ 2429.720207][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2429.720207][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2429.720207][   T10]      ___sys_sendmsg+0xee/0x170
[ 2429.720207][   T10]      __sys_sendmsg+0xcd/0x170
[ 2429.720207][   T10]      do_syscall_64+0xc6/0x1e0
[ 2429.720207][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2429.720207][   T10] 
[ 2439.960746][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2439.961197][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2439.961197][   T10]      netdev_get_by_index+0x5e/0x80
[ 2439.961197][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2439.961197][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2439.961197][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2439.961197][   T10]      ipv6_add_addr+0x411/0x2000
[ 2439.961197][   T10]      inet6_addr_add+0x30e/0xa40
[ 2439.961197][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2439.961197][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2439.961197][   T10]      netlink_rcv_skb+0x130/0x360
[ 2439.961197][   T10]      netlink_unicast+0x449/0x710
[ 2439.961197][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2439.961197][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2439.961197][   T10]      ___sys_sendmsg+0xee/0x170
[ 2439.961197][   T10]      __sys_sendmsg+0xcd/0x170
[ 2439.961197][   T10]      do_syscall_64+0xc6/0x1e0
[ 2439.961197][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2439.961197][   T10] 
[ 2439.963266][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2439.963266][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2439.963266][   T10]      ipv6_find_idev+0x102/0x170
[ 2439.963266][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2439.963266][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2439.963266][   T10]      netlink_rcv_skb+0x130/0x360
[ 2439.963266][   T10]      netlink_unicast+0x449/0x710
[ 2439.963266][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2439.963266][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2439.963266][   T10]      ___sys_sendmsg+0xee/0x170
[ 2439.963266][   T10]      __sys_sendmsg+0xcd/0x170
[ 2439.963266][   T10]      do_syscall_64+0xc6/0x1e0
[ 2439.963266][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2439.963266][   T10] 
[ 2439.964831][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2439.964831][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2439.964831][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2439.964831][   T10]      ipv6_find_idev+0x102/0x170
[ 2439.964831][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2439.964831][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2439.964831][   T10]      netlink_rcv_skb+0x130/0x360
[ 2439.964831][   T10]      netlink_unicast+0x449/0x710
[ 2439.964831][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2439.964831][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2439.964831][   T10]      ___sys_sendmsg+0xee/0x170
[ 2439.964831][   T10]      __sys_sendmsg+0xcd/0x170
[ 2439.964831][   T10]      do_syscall_64+0xc6/0x1e0
[ 2439.964831][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2439.964831][   T10] 
[ 2439.966544][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2439.966814][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2439.966814][   T10]      netdev_get_by_index+0x5e/0x80
[ 2439.966814][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2439.966814][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2439.966814][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2439.966814][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2439.966814][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2439.966814][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2439.966814][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2439.966814][   T10]      addrconf_dad_begin+0x310/0x670
[ 2439.966814][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2439.966814][   T10]      process_one_work+0x84d/0x18a0
[ 2439.966814][   T10]      worker_thread+0x587/0xd30
[ 2439.966814][   T10]      kthread+0x28a/0x350
[ 2439.966814][   T10]      ret_from_fork+0x31/0x70
[ 2439.966814][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2439.966814][   T10] 
[ 2439.968728][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2439.968728][   T10]      netdev_get_by_index+0x5e/0x80
[ 2439.968728][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2439.968728][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2439.968728][   T10]      ip6_route_add+0x1c/0x140
[ 2439.968728][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2439.968728][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2439.968728][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2439.968728][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2439.968728][   T10]      netlink_rcv_skb+0x130/0x360
[ 2439.968728][   T10]      netlink_unicast+0x449/0x710
[ 2439.968728][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2439.968728][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2439.968728][   T10]      ___sys_sendmsg+0xee/0x170
[ 2439.968728][   T10]      __sys_sendmsg+0xcd/0x170
[ 2439.968728][   T10]      do_syscall_64+0xc6/0x1e0
[ 2439.968728][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2439.968728][   T10] 
[ 2439.970743][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2439.970743][   T10]      netdev_get_by_index+0x5e/0x80
[ 2439.970743][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2439.970743][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2439.970743][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2439.970743][   T10]      ipv6_add_addr+0x411/0x2000
[ 2439.970743][   T10]      inet6_addr_add+0x30e/0xa40
[ 2439.970743][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2439.970743][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2439.970743][   T10]      netlink_rcv_skb+0x130/0x360
[ 2439.970743][   T10]      netlink_unicast+0x449/0x710
[ 2439.970743][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2439.970743][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2439.970743][   T10]      ___sys_sendmsg+0xee/0x170
[ 2439.970743][   T10]      __sys_sendmsg+0xcd/0x170
[ 2439.970743][   T10]      do_syscall_64+0xc6/0x1e0
[ 2439.970743][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2439.970743][   T10] 
[ 2439.972885][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2439.972885][   T10]      netdev_get_by_index+0x5e/0x80
[ 2439.972885][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2439.972885][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2439.972885][   T10]      ip6_route_add+0x1c/0x140
[ 2439.972885][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2439.972885][   T10]      addrconf_add_dev+0xe2/0x170
[ 2439.972885][   T10]      inet6_addr_add+0x12f/0xa40
[ 2439.972885][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2439.972885][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2439.972885][   T10]      netlink_rcv_skb+0x130/0x360
[ 2439.972885][   T10]      netlink_unicast+0x449/0x710
[ 2439.972885][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2439.972885][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2439.972885][   T10]      ___sys_sendmsg+0xee/0x170
[ 2439.972885][   T10]      __sys_sendmsg+0xcd/0x170
[ 2439.972885][   T10]      do_syscall_64+0xc6/0x1e0
[ 2439.972885][   T10] 
[ 2439.974858][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2439.974858][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2439.974858][   T10]      ipv6_find_idev+0x102/0x170
[ 2439.974858][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2439.974858][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2439.974858][   T10]      netlink_rcv_skb+0x130/0x360
[ 2439.974858][   T10]      netlink_unicast+0x449/0x710
[ 2439.974858][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2439.974858][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2439.974858][   T10]      ___sys_sendmsg+0xee/0x170
[ 2439.974858][   T10]      __sys_sendmsg+0xcd/0x170
[ 2439.974858][   T10]      do_syscall_64+0xc6/0x1e0
[ 2439.974858][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2439.974858][   T10] 
[ 2439.976420][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2439.976420][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2439.976420][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2439.976420][   T10]      ipv6_find_idev+0x102/0x170
[ 2439.976420][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2439.976420][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2439.976420][   T10]      netlink_rcv_skb+0x130/0x360
[ 2439.976420][   T10]      netlink_unicast+0x449/0x710
[ 2439.976420][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2439.976420][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2439.976420][   T10]      ___sys_sendmsg+0xee/0x170
[ 2439.976420][   T10]      __sys_sendmsg+0xcd/0x170
[ 2439.976420][   T10]      do_syscall_64+0xc6/0x1e0
[ 2439.976420][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2439.976420][   T10] 
[ 2450.216765][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2450.217247][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2450.217247][   T10]      netdev_get_by_index+0x5e/0x80
[ 2450.217247][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2450.217247][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2450.217247][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2450.217247][   T10]      ipv6_add_addr+0x411/0x2000
[ 2450.217247][   T10]      inet6_addr_add+0x30e/0xa40
[ 2450.217247][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2450.217247][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2450.217247][   T10]      netlink_rcv_skb+0x130/0x360
[ 2450.217247][   T10]      netlink_unicast+0x449/0x710
[ 2450.217247][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2450.217247][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2450.217247][   T10]      ___sys_sendmsg+0xee/0x170
[ 2450.217247][   T10]      __sys_sendmsg+0xcd/0x170
[ 2450.217247][   T10]      do_syscall_64+0xc6/0x1e0
[ 2450.217247][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2450.217247][   T10] 
[ 2450.219306][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2450.219306][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2450.219306][   T10]      ipv6_find_idev+0x102/0x170
[ 2450.219306][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2450.219306][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2450.219306][   T10]      netlink_rcv_skb+0x130/0x360
[ 2450.219306][   T10]      netlink_unicast+0x449/0x710
[ 2450.219306][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2450.219306][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2450.219306][   T10]      ___sys_sendmsg+0xee/0x170
[ 2450.219306][   T10]      __sys_sendmsg+0xcd/0x170
[ 2450.219306][   T10]      do_syscall_64+0xc6/0x1e0
[ 2450.219306][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2450.219306][   T10] 
[ 2450.220891][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2450.220891][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2450.220891][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2450.220891][   T10]      ipv6_find_idev+0x102/0x170
[ 2450.220891][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2450.220891][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2450.220891][   T10]      netlink_rcv_skb+0x130/0x360
[ 2450.220891][   T10]      netlink_unicast+0x449/0x710
[ 2450.220891][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2450.220891][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2450.220891][   T10]      ___sys_sendmsg+0xee/0x170
[ 2450.220891][   T10]      __sys_sendmsg+0xcd/0x170
[ 2450.220891][   T10]      do_syscall_64+0xc6/0x1e0
[ 2450.220891][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2450.220891][   T10] 
[ 2450.222648][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2450.222911][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2450.222911][   T10]      netdev_get_by_index+0x5e/0x80
[ 2450.222911][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2450.222911][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2450.222911][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2450.222911][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2450.222911][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2450.222911][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2450.222911][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2450.222911][   T10]      addrconf_dad_begin+0x310/0x670
[ 2450.222911][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2450.222911][   T10]      process_one_work+0x84d/0x18a0
[ 2450.222911][   T10]      worker_thread+0x587/0xd30
[ 2450.222911][   T10]      kthread+0x28a/0x350
[ 2450.222911][   T10]      ret_from_fork+0x31/0x70
[ 2450.222911][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2450.222911][   T10] 
[ 2450.224827][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2450.224827][   T10]      netdev_get_by_index+0x5e/0x80
[ 2450.224827][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2450.224827][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2450.224827][   T10]      ip6_route_add+0x1c/0x140
[ 2450.224827][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2450.224827][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2450.224827][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2450.224827][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2450.224827][   T10]      netlink_rcv_skb+0x130/0x360
[ 2450.224827][   T10]      netlink_unicast+0x449/0x710
[ 2450.224827][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2450.224827][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2450.224827][   T10]      ___sys_sendmsg+0xee/0x170
[ 2450.224827][   T10]      __sys_sendmsg+0xcd/0x170
[ 2450.224827][   T10]      do_syscall_64+0xc6/0x1e0
[ 2450.224827][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2450.224827][   T10] 
[ 2450.226918][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2450.226918][   T10]      netdev_get_by_index+0x5e/0x80
[ 2450.226918][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2450.226918][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2450.226918][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2450.226918][   T10]      ipv6_add_addr+0x411/0x2000
[ 2450.226918][   T10]      inet6_addr_add+0x30e/0xa40
[ 2450.226918][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2450.226918][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2450.226918][   T10]      netlink_rcv_skb+0x130/0x360
[ 2450.226918][   T10]      netlink_unicast+0x449/0x710
[ 2450.226918][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2450.226918][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2450.226918][   T10]      ___sys_sendmsg+0xee/0x170
[ 2450.226918][   T10]      __sys_sendmsg+0xcd/0x170
[ 2450.226918][   T10]      do_syscall_64+0xc6/0x1e0
[ 2450.226918][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2450.226918][   T10] 
[ 2450.228977][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2450.228977][   T10]      netdev_get_by_index+0x5e/0x80
[ 2450.228977][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2450.228977][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2450.228977][   T10]      ip6_route_add+0x1c/0x140
[ 2450.228977][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2450.228977][   T10]      addrconf_add_dev+0xe2/0x170
[ 2450.228977][   T10]      inet6_addr_add+0x12f/0xa40
[ 2450.228977][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2450.228977][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2450.228977][   T10]      netlink_rcv_skb+0x130/0x360
[ 2450.228977][   T10]      netlink_unicast+0x449/0x710
[ 2450.228977][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2450.228977][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2450.228977][   T10]      ___sys_sendmsg+0xee/0x170
[ 2450.228977][   T10]      __sys_sendmsg+0xcd/0x170
[ 2450.228977][   T10]      do_syscall_64+0xc6/0x1e0
[ 2450.228977][   T10] 
[ 2450.230997][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2450.230997][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2450.230997][   T10]      ipv6_find_idev+0x102/0x170
[ 2450.230997][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2450.230997][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2450.230997][   T10]      netlink_rcv_skb+0x130/0x360
[ 2450.230997][   T10]      netlink_unicast+0x449/0x710
[ 2450.230997][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2450.230997][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2450.230997][   T10]      ___sys_sendmsg+0xee/0x170
[ 2450.230997][   T10]      __sys_sendmsg+0xcd/0x170
[ 2450.230997][   T10]      do_syscall_64+0xc6/0x1e0
[ 2450.230997][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2450.230997][   T10] 
[ 2450.232633][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2450.232633][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2450.232633][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2450.232633][   T10]      ipv6_find_idev+0x102/0x170
[ 2450.232633][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2450.232633][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2450.232633][   T10]      netlink_rcv_skb+0x130/0x360
[ 2450.232633][   T10]      netlink_unicast+0x449/0x710
[ 2450.232633][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2450.232633][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2450.232633][   T10]      ___sys_sendmsg+0xee/0x170
[ 2450.232633][   T10]      __sys_sendmsg+0xcd/0x170
[ 2450.232633][   T10]      do_syscall_64+0xc6/0x1e0
[ 2450.232633][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2450.232633][   T10] 
[ 2460.472767][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2460.473278][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2460.473278][   T10]      netdev_get_by_index+0x5e/0x80
[ 2460.473278][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2460.473278][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2460.473278][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2460.473278][   T10]      ipv6_add_addr+0x411/0x2000
[ 2460.473278][   T10]      inet6_addr_add+0x30e/0xa40
[ 2460.473278][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2460.473278][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2460.473278][   T10]      netlink_rcv_skb+0x130/0x360
[ 2460.473278][   T10]      netlink_unicast+0x449/0x710
[ 2460.473278][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2460.473278][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2460.473278][   T10]      ___sys_sendmsg+0xee/0x170
[ 2460.473278][   T10]      __sys_sendmsg+0xcd/0x170
[ 2460.473278][   T10]      do_syscall_64+0xc6/0x1e0
[ 2460.473278][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2460.473278][   T10] 
[ 2460.475621][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2460.475621][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2460.475621][   T10]      ipv6_find_idev+0x102/0x170
[ 2460.475621][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2460.475621][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2460.475621][   T10]      netlink_rcv_skb+0x130/0x360
[ 2460.475621][   T10]      netlink_unicast+0x449/0x710
[ 2460.475621][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2460.475621][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2460.475621][   T10]      ___sys_sendmsg+0xee/0x170
[ 2460.475621][   T10]      __sys_sendmsg+0xcd/0x170
[ 2460.475621][   T10]      do_syscall_64+0xc6/0x1e0
[ 2460.475621][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2460.475621][   T10] 
[ 2460.477223][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2460.477223][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2460.477223][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2460.477223][   T10]      ipv6_find_idev+0x102/0x170
[ 2460.477223][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2460.477223][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2460.477223][   T10]      netlink_rcv_skb+0x130/0x360
[ 2460.477223][   T10]      netlink_unicast+0x449/0x710
[ 2460.477223][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2460.477223][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2460.477223][   T10]      ___sys_sendmsg+0xee/0x170
[ 2460.477223][   T10]      __sys_sendmsg+0xcd/0x170
[ 2460.477223][   T10]      do_syscall_64+0xc6/0x1e0
[ 2460.477223][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2460.477223][   T10] 
[ 2460.478977][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2460.479281][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2460.479281][   T10]      netdev_get_by_index+0x5e/0x80
[ 2460.479281][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2460.479281][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2460.479281][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2460.479281][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2460.479281][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2460.479281][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2460.479281][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2460.479281][   T10]      addrconf_dad_begin+0x310/0x670
[ 2460.479281][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2460.479281][   T10]      process_one_work+0x84d/0x18a0
[ 2460.479281][   T10]      worker_thread+0x587/0xd30
[ 2460.479281][   T10]      kthread+0x28a/0x350
[ 2460.479281][   T10]      ret_from_fork+0x31/0x70
[ 2460.479281][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2460.479281][   T10] 
[ 2460.481245][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2460.481245][   T10]      netdev_get_by_index+0x5e/0x80
[ 2460.481245][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2460.481245][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2460.481245][   T10]      ip6_route_add+0x1c/0x140
[ 2460.481245][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2460.481245][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2460.481245][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2460.481245][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2460.481245][   T10]      netlink_rcv_skb+0x130/0x360
[ 2460.481245][   T10]      netlink_unicast+0x449/0x710
[ 2460.481245][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2460.481245][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2460.481245][   T10]      ___sys_sendmsg+0xee/0x170
[ 2460.481245][   T10]      __sys_sendmsg+0xcd/0x170
[ 2460.481245][   T10]      do_syscall_64+0xc6/0x1e0
[ 2460.481245][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2460.481245][   T10] 
[ 2460.483350][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2460.483350][   T10]      netdev_get_by_index+0x5e/0x80
[ 2460.483350][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2460.483350][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2460.483350][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2460.483350][   T10]      ipv6_add_addr+0x411/0x2000
[ 2460.483350][   T10]      inet6_addr_add+0x30e/0xa40
[ 2460.483350][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2460.483350][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2460.483350][   T10]      netlink_rcv_skb+0x130/0x360
[ 2460.483350][   T10]      netlink_unicast+0x449/0x710
[ 2460.483350][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2460.483350][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2460.483350][   T10]      ___sys_sendmsg+0xee/0x170
[ 2460.483350][   T10]      __sys_sendmsg+0xcd/0x170
[ 2460.483350][   T10]      do_syscall_64+0xc6/0x1e0
[ 2460.483350][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2460.483350][   T10] 
[ 2460.485442][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2460.485442][   T10]      netdev_get_by_index+0x5e/0x80
[ 2460.485442][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2460.485442][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2460.485442][   T10]      ip6_route_add+0x1c/0x140
[ 2460.485442][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2460.485442][   T10]      addrconf_add_dev+0xe2/0x170
[ 2460.485442][   T10]      inet6_addr_add+0x12f/0xa40
[ 2460.485442][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2460.485442][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2460.485442][   T10]      netlink_rcv_skb+0x130/0x360
[ 2460.485442][   T10]      netlink_unicast+0x449/0x710
[ 2460.485442][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2460.485442][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2460.485442][   T10]      ___sys_sendmsg+0xee/0x170
[ 2460.485442][   T10]      __sys_sendmsg+0xcd/0x170
[ 2460.485442][   T10]      do_syscall_64+0xc6/0x1e0
[ 2460.485442][   T10] 
[ 2460.487462][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2460.487462][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2460.487462][   T10]      ipv6_find_idev+0x102/0x170
[ 2460.487462][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2460.487462][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2460.487462][   T10]      netlink_rcv_skb+0x130/0x360
[ 2460.487462][   T10]      netlink_unicast+0x449/0x710
[ 2460.487462][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2460.487462][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2460.487462][   T10]      ___sys_sendmsg+0xee/0x170
[ 2460.487462][   T10]      __sys_sendmsg+0xcd/0x170
[ 2460.487462][   T10]      do_syscall_64+0xc6/0x1e0
[ 2460.487462][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2460.487462][   T10] 
[ 2460.489040][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2460.489040][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2460.489040][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2460.489040][   T10]      ipv6_find_idev+0x102/0x170
[ 2460.489040][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2460.489040][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2460.489040][   T10]      netlink_rcv_skb+0x130/0x360
[ 2460.489040][   T10]      netlink_unicast+0x449/0x710
[ 2460.489040][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2460.489040][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2460.489040][   T10]      ___sys_sendmsg+0xee/0x170
[ 2460.489040][   T10]      __sys_sendmsg+0xcd/0x170
[ 2460.489040][   T10]      do_syscall_64+0xc6/0x1e0
[ 2460.489040][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2460.489040][   T10] 
[ 2470.504745][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2470.505201][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2470.505201][   T10]      netdev_get_by_index+0x5e/0x80
[ 2470.505201][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2470.505201][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2470.505201][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2470.505201][   T10]      ipv6_add_addr+0x411/0x2000
[ 2470.505201][   T10]      inet6_addr_add+0x30e/0xa40
[ 2470.505201][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2470.505201][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2470.505201][   T10]      netlink_rcv_skb+0x130/0x360
[ 2470.505201][   T10]      netlink_unicast+0x449/0x710
[ 2470.505201][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2470.505201][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2470.505201][   T10]      ___sys_sendmsg+0xee/0x170
[ 2470.505201][   T10]      __sys_sendmsg+0xcd/0x170
[ 2470.505201][   T10]      do_syscall_64+0xc6/0x1e0
[ 2470.505201][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2470.505201][   T10] 
[ 2470.507236][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2470.507236][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2470.507236][   T10]      ipv6_find_idev+0x102/0x170
[ 2470.507236][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2470.507236][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2470.507236][   T10]      netlink_rcv_skb+0x130/0x360
[ 2470.507236][   T10]      netlink_unicast+0x449/0x710
[ 2470.507236][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2470.507236][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2470.507236][   T10]      ___sys_sendmsg+0xee/0x170
[ 2470.507236][   T10]      __sys_sendmsg+0xcd/0x170
[ 2470.507236][   T10]      do_syscall_64+0xc6/0x1e0
[ 2470.507236][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2470.507236][   T10] 
[ 2470.508794][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2470.508794][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2470.508794][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2470.508794][   T10]      ipv6_find_idev+0x102/0x170
[ 2470.508794][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2470.508794][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2470.508794][   T10]      netlink_rcv_skb+0x130/0x360
[ 2470.508794][   T10]      netlink_unicast+0x449/0x710
[ 2470.508794][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2470.508794][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2470.508794][   T10]      ___sys_sendmsg+0xee/0x170
[ 2470.508794][   T10]      __sys_sendmsg+0xcd/0x170
[ 2470.508794][   T10]      do_syscall_64+0xc6/0x1e0
[ 2470.508794][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2470.508794][   T10] 
[ 2470.510494][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2470.510769][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2470.510769][   T10]      netdev_get_by_index+0x5e/0x80
[ 2470.510769][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2470.510769][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2470.510769][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2470.510769][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2470.510769][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2470.510769][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2470.510769][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2470.510769][   T10]      addrconf_dad_begin+0x310/0x670
[ 2470.510769][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2470.510769][   T10]      process_one_work+0x84d/0x18a0
[ 2470.510769][   T10]      worker_thread+0x587/0xd30
[ 2470.510769][   T10]      kthread+0x28a/0x350
[ 2470.510769][   T10]      ret_from_fork+0x31/0x70
[ 2470.510769][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2470.510769][   T10] 
[ 2470.512674][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2470.512674][   T10]      netdev_get_by_index+0x5e/0x80
[ 2470.512674][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2470.512674][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2470.512674][   T10]      ip6_route_add+0x1c/0x140
[ 2470.512674][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2470.512674][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2470.512674][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2470.512674][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2470.512674][   T10]      netlink_rcv_skb+0x130/0x360
[ 2470.512674][   T10]      netlink_unicast+0x449/0x710
[ 2470.512674][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2470.512674][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2470.512674][   T10]      ___sys_sendmsg+0xee/0x170
[ 2470.512674][   T10]      __sys_sendmsg+0xcd/0x170
[ 2470.512674][   T10]      do_syscall_64+0xc6/0x1e0
[ 2470.512674][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2470.512674][   T10] 
[ 2470.514668][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2470.514668][   T10]      netdev_get_by_index+0x5e/0x80
[ 2470.514668][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2470.514668][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2470.514668][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2470.514668][   T10]      ipv6_add_addr+0x411/0x2000
[ 2470.514668][   T10]      inet6_addr_add+0x30e/0xa40
[ 2470.514668][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2470.514668][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2470.514668][   T10]      netlink_rcv_skb+0x130/0x360
[ 2470.514668][   T10]      netlink_unicast+0x449/0x710
[ 2470.514668][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2470.514668][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2470.514668][   T10]      ___sys_sendmsg+0xee/0x170
[ 2470.514668][   T10]      __sys_sendmsg+0xcd/0x170
[ 2470.514668][   T10]      do_syscall_64+0xc6/0x1e0
[ 2470.514668][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2470.514668][   T10] 
[ 2470.516659][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2470.516659][   T10]      netdev_get_by_index+0x5e/0x80
[ 2470.516659][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2470.516659][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2470.516659][   T10]      ip6_route_add+0x1c/0x140
[ 2470.516659][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2470.516659][   T10]      addrconf_add_dev+0xe2/0x170
[ 2470.516659][   T10]      inet6_addr_add+0x12f/0xa40
[ 2470.516659][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2470.516659][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2470.516659][   T10]      netlink_rcv_skb+0x130/0x360
[ 2470.516659][   T10]      netlink_unicast+0x449/0x710
[ 2470.516659][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2470.516659][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2470.516659][   T10]      ___sys_sendmsg+0xee/0x170
[ 2470.516659][   T10]      __sys_sendmsg+0xcd/0x170
[ 2470.516659][   T10]      do_syscall_64+0xc6/0x1e0
[ 2470.516659][   T10] 
[ 2470.518623][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2470.518623][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2470.518623][   T10]      ipv6_find_idev+0x102/0x170
[ 2470.518623][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2470.518623][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2470.518623][   T10]      netlink_rcv_skb+0x130/0x360
[ 2470.518623][   T10]      netlink_unicast+0x449/0x710
[ 2470.518623][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2470.518623][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2470.518623][   T10]      ___sys_sendmsg+0xee/0x170
[ 2470.518623][   T10]      __sys_sendmsg+0xcd/0x170
[ 2470.518623][   T10]      do_syscall_64+0xc6/0x1e0
[ 2470.518623][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2470.518623][   T10] 
[ 2470.520200][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2470.520200][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2470.520200][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2470.520200][   T10]      ipv6_find_idev+0x102/0x170
[ 2470.520200][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2470.520200][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2470.520200][   T10]      netlink_rcv_skb+0x130/0x360
[ 2470.520200][   T10]      netlink_unicast+0x449/0x710
[ 2470.520200][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2470.520200][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2470.520200][   T10]      ___sys_sendmsg+0xee/0x170
[ 2470.520200][   T10]      __sys_sendmsg+0xcd/0x170
[ 2470.520200][   T10]      do_syscall_64+0xc6/0x1e0
[ 2470.520200][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2470.520200][   T10] 
[ 2480.704741][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2480.705130][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2480.705130][   T10]      netdev_get_by_index+0x5e/0x80
[ 2480.705130][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2480.705130][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2480.705130][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2480.705130][   T10]      ipv6_add_addr+0x411/0x2000
[ 2480.705130][   T10]      inet6_addr_add+0x30e/0xa40
[ 2480.705130][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2480.705130][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2480.705130][   T10]      netlink_rcv_skb+0x130/0x360
[ 2480.705130][   T10]      netlink_unicast+0x449/0x710
[ 2480.705130][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2480.705130][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2480.705130][   T10]      ___sys_sendmsg+0xee/0x170
[ 2480.705130][   T10]      __sys_sendmsg+0xcd/0x170
[ 2480.705130][   T10]      do_syscall_64+0xc6/0x1e0
[ 2480.705130][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2480.705130][   T10] 
[ 2480.707181][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2480.707181][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2480.707181][   T10]      ipv6_find_idev+0x102/0x170
[ 2480.707181][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2480.707181][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2480.707181][   T10]      netlink_rcv_skb+0x130/0x360
[ 2480.707181][   T10]      netlink_unicast+0x449/0x710
[ 2480.707181][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2480.707181][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2480.707181][   T10]      ___sys_sendmsg+0xee/0x170
[ 2480.707181][   T10]      __sys_sendmsg+0xcd/0x170
[ 2480.707181][   T10]      do_syscall_64+0xc6/0x1e0
[ 2480.707181][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2480.707181][   T10] 
[ 2480.708731][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2480.708731][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2480.708731][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2480.708731][   T10]      ipv6_find_idev+0x102/0x170
[ 2480.708731][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2480.708731][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2480.708731][   T10]      netlink_rcv_skb+0x130/0x360
[ 2480.708731][   T10]      netlink_unicast+0x449/0x710
[ 2480.708731][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2480.708731][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2480.708731][   T10]      ___sys_sendmsg+0xee/0x170
[ 2480.708731][   T10]      __sys_sendmsg+0xcd/0x170
[ 2480.708731][   T10]      do_syscall_64+0xc6/0x1e0
[ 2480.708731][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2480.708731][   T10] 
[ 2480.710424][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2480.710689][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2480.710689][   T10]      netdev_get_by_index+0x5e/0x80
[ 2480.710689][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2480.710689][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2480.710689][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2480.710689][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2480.710689][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2480.710689][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2480.710689][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2480.710689][   T10]      addrconf_dad_begin+0x310/0x670
[ 2480.710689][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2480.710689][   T10]      process_one_work+0x84d/0x18a0
[ 2480.710689][   T10]      worker_thread+0x587/0xd30
[ 2480.710689][   T10]      kthread+0x28a/0x350
[ 2480.710689][   T10]      ret_from_fork+0x31/0x70
[ 2480.710689][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2480.710689][   T10] 
[ 2480.712599][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2480.712599][   T10]      netdev_get_by_index+0x5e/0x80
[ 2480.712599][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2480.712599][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2480.712599][   T10]      ip6_route_add+0x1c/0x140
[ 2480.712599][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2480.712599][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2480.712599][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2480.712599][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2480.712599][   T10]      netlink_rcv_skb+0x130/0x360
[ 2480.712599][   T10]      netlink_unicast+0x449/0x710
[ 2480.712599][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2480.712599][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2480.712599][   T10]      ___sys_sendmsg+0xee/0x170
[ 2480.712599][   T10]      __sys_sendmsg+0xcd/0x170
[ 2480.712599][   T10]      do_syscall_64+0xc6/0x1e0
[ 2480.712599][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2480.712599][   T10] 
[ 2480.714615][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2480.714615][   T10]      netdev_get_by_index+0x5e/0x80
[ 2480.714615][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2480.714615][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2480.714615][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2480.714615][   T10]      ipv6_add_addr+0x411/0x2000
[ 2480.714615][   T10]      inet6_addr_add+0x30e/0xa40
[ 2480.714615][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2480.714615][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2480.714615][   T10]      netlink_rcv_skb+0x130/0x360
[ 2480.714615][   T10]      netlink_unicast+0x449/0x710
[ 2480.714615][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2480.714615][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2480.714615][   T10]      ___sys_sendmsg+0xee/0x170
[ 2480.714615][   T10]      __sys_sendmsg+0xcd/0x170
[ 2480.714615][   T10]      do_syscall_64+0xc6/0x1e0
[ 2480.714615][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2480.714615][   T10] 
[ 2480.716638][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2480.716638][   T10]      netdev_get_by_index+0x5e/0x80
[ 2480.716638][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2480.716638][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2480.716638][   T10]      ip6_route_add+0x1c/0x140
[ 2480.716638][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2480.716638][   T10]      addrconf_add_dev+0xe2/0x170
[ 2480.716638][   T10]      inet6_addr_add+0x12f/0xa40
[ 2480.716638][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2480.716638][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2480.716638][   T10]      netlink_rcv_skb+0x130/0x360
[ 2480.716638][   T10]      netlink_unicast+0x449/0x710
[ 2480.716638][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2480.716638][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2480.716638][   T10]      ___sys_sendmsg+0xee/0x170
[ 2480.716638][   T10]      __sys_sendmsg+0xcd/0x170
[ 2480.716638][   T10]      do_syscall_64+0xc6/0x1e0
[ 2480.716638][   T10] 
[ 2480.718597][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2480.718597][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2480.718597][   T10]      ipv6_find_idev+0x102/0x170
[ 2480.718597][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2480.718597][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2480.718597][   T10]      netlink_rcv_skb+0x130/0x360
[ 2480.718597][   T10]      netlink_unicast+0x449/0x710
[ 2480.718597][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2480.718597][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2480.718597][   T10]      ___sys_sendmsg+0xee/0x170
[ 2480.718597][   T10]      __sys_sendmsg+0xcd/0x170
[ 2480.718597][   T10]      do_syscall_64+0xc6/0x1e0
[ 2480.718597][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2480.718597][   T10] 
[ 2480.720145][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2480.720145][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2480.720145][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2480.720145][   T10]      ipv6_find_idev+0x102/0x170
[ 2480.720145][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2480.720145][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2480.720145][   T10]      netlink_rcv_skb+0x130/0x360
[ 2480.720145][   T10]      netlink_unicast+0x449/0x710
[ 2480.720145][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2480.720145][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2480.720145][   T10]      ___sys_sendmsg+0xee/0x170
[ 2480.720145][   T10]      __sys_sendmsg+0xcd/0x170
[ 2480.720145][   T10]      do_syscall_64+0xc6/0x1e0
[ 2480.720145][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2480.720145][   T10] 
[ 2490.960755][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2490.961250][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2490.961250][   T10]      netdev_get_by_index+0x5e/0x80
[ 2490.961250][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2490.961250][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2490.961250][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2490.961250][   T10]      ipv6_add_addr+0x411/0x2000
[ 2490.961250][   T10]      inet6_addr_add+0x30e/0xa40
[ 2490.961250][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2490.961250][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2490.961250][   T10]      netlink_rcv_skb+0x130/0x360
[ 2490.961250][   T10]      netlink_unicast+0x449/0x710
[ 2490.961250][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2490.961250][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2490.961250][   T10]      ___sys_sendmsg+0xee/0x170
[ 2490.961250][   T10]      __sys_sendmsg+0xcd/0x170
[ 2490.961250][   T10]      do_syscall_64+0xc6/0x1e0
[ 2490.961250][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2490.961250][   T10] 
[ 2490.963346][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2490.963346][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2490.963346][   T10]      ipv6_find_idev+0x102/0x170
[ 2490.963346][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2490.963346][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2490.963346][   T10]      netlink_rcv_skb+0x130/0x360
[ 2490.963346][   T10]      netlink_unicast+0x449/0x710
[ 2490.963346][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2490.963346][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2490.963346][   T10]      ___sys_sendmsg+0xee/0x170
[ 2490.963346][   T10]      __sys_sendmsg+0xcd/0x170
[ 2490.963346][   T10]      do_syscall_64+0xc6/0x1e0
[ 2490.963346][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2490.963346][   T10] 
[ 2490.964936][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2490.964936][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2490.964936][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2490.964936][   T10]      ipv6_find_idev+0x102/0x170
[ 2490.964936][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2490.964936][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2490.964936][   T10]      netlink_rcv_skb+0x130/0x360
[ 2490.964936][   T10]      netlink_unicast+0x449/0x710
[ 2490.964936][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2490.964936][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2490.964936][   T10]      ___sys_sendmsg+0xee/0x170
[ 2490.964936][   T10]      __sys_sendmsg+0xcd/0x170
[ 2490.964936][   T10]      do_syscall_64+0xc6/0x1e0
[ 2490.964936][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2490.964936][   T10] 
[ 2490.966676][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2490.966936][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2490.966936][   T10]      netdev_get_by_index+0x5e/0x80
[ 2490.966936][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2490.966936][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2490.966936][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2490.966936][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2490.966936][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2490.966936][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2490.966936][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2490.966936][   T10]      addrconf_dad_begin+0x310/0x670
[ 2490.966936][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2490.966936][   T10]      process_one_work+0x84d/0x18a0
[ 2490.966936][   T10]      worker_thread+0x587/0xd30
[ 2490.966936][   T10]      kthread+0x28a/0x350
[ 2490.966936][   T10]      ret_from_fork+0x31/0x70
[ 2490.966936][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2490.966936][   T10] 
[ 2490.968840][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2490.968840][   T10]      netdev_get_by_index+0x5e/0x80
[ 2490.968840][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2490.968840][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2490.968840][   T10]      ip6_route_add+0x1c/0x140
[ 2490.968840][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2490.968840][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2490.968840][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2490.968840][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2490.968840][   T10]      netlink_rcv_skb+0x130/0x360
[ 2490.968840][   T10]      netlink_unicast+0x449/0x710
[ 2490.968840][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2490.968840][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2490.968840][   T10]      ___sys_sendmsg+0xee/0x170
[ 2490.968840][   T10]      __sys_sendmsg+0xcd/0x170
[ 2490.968840][   T10]      do_syscall_64+0xc6/0x1e0
[ 2490.968840][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2490.968840][   T10] 
[ 2490.970875][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2490.970875][   T10]      netdev_get_by_index+0x5e/0x80
[ 2490.970875][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2490.970875][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2490.970875][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2490.970875][   T10]      ipv6_add_addr+0x411/0x2000
[ 2490.970875][   T10]      inet6_addr_add+0x30e/0xa40
[ 2490.970875][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2490.970875][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2490.970875][   T10]      netlink_rcv_skb+0x130/0x360
[ 2490.970875][   T10]      netlink_unicast+0x449/0x710
[ 2490.970875][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2490.970875][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2490.970875][   T10]      ___sys_sendmsg+0xee/0x170
[ 2490.970875][   T10]      __sys_sendmsg+0xcd/0x170
[ 2490.970875][   T10]      do_syscall_64+0xc6/0x1e0
[ 2490.970875][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2490.970875][   T10] 
[ 2490.972914][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2490.972914][   T10]      netdev_get_by_index+0x5e/0x80
[ 2490.972914][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2490.972914][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2490.972914][   T10]      ip6_route_add+0x1c/0x140
[ 2490.972914][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2490.972914][   T10]      addrconf_add_dev+0xe2/0x170
[ 2490.972914][   T10]      inet6_addr_add+0x12f/0xa40
[ 2490.972914][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2490.972914][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2490.972914][   T10]      netlink_rcv_skb+0x130/0x360
[ 2490.972914][   T10]      netlink_unicast+0x449/0x710
[ 2490.972914][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2490.972914][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2490.972914][   T10]      ___sys_sendmsg+0xee/0x170
[ 2490.972914][   T10]      __sys_sendmsg+0xcd/0x170
[ 2490.972914][   T10]      do_syscall_64+0xc6/0x1e0
[ 2490.972914][   T10] 
[ 2490.974898][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2490.974898][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2490.974898][   T10]      ipv6_find_idev+0x102/0x170
[ 2490.974898][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2490.974898][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2490.974898][   T10]      netlink_rcv_skb+0x130/0x360
[ 2490.974898][   T10]      netlink_unicast+0x449/0x710
[ 2490.974898][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2490.974898][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2490.974898][   T10]      ___sys_sendmsg+0xee/0x170
[ 2490.974898][   T10]      __sys_sendmsg+0xcd/0x170
[ 2490.974898][   T10]      do_syscall_64+0xc6/0x1e0
[ 2490.974898][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2490.974898][   T10] 
[ 2490.976463][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2490.976463][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2490.976463][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2490.976463][   T10]      ipv6_find_idev+0x102/0x170
[ 2490.976463][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2490.976463][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2490.976463][   T10]      netlink_rcv_skb+0x130/0x360
[ 2490.976463][   T10]      netlink_unicast+0x449/0x710
[ 2490.976463][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2490.976463][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2490.976463][   T10]      ___sys_sendmsg+0xee/0x170
[ 2490.976463][   T10]      __sys_sendmsg+0xcd/0x170
[ 2490.976463][   T10]      do_syscall_64+0xc6/0x1e0
[ 2490.976463][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2490.976463][   T10] 
[ 2501.216694][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2501.217103][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2501.217103][   T10]      netdev_get_by_index+0x5e/0x80
[ 2501.217103][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2501.217103][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2501.217103][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2501.217103][   T10]      ipv6_add_addr+0x411/0x2000
[ 2501.217103][   T10]      inet6_addr_add+0x30e/0xa40
[ 2501.217103][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2501.217103][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2501.217103][   T10]      netlink_rcv_skb+0x130/0x360
[ 2501.217103][   T10]      netlink_unicast+0x449/0x710
[ 2501.217103][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2501.217103][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2501.217103][   T10]      ___sys_sendmsg+0xee/0x170
[ 2501.217103][   T10]      __sys_sendmsg+0xcd/0x170
[ 2501.217103][   T10]      do_syscall_64+0xc6/0x1e0
[ 2501.217103][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2501.217103][   T10] 
[ 2501.219230][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2501.219230][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2501.219230][   T10]      ipv6_find_idev+0x102/0x170
[ 2501.219230][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2501.219230][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2501.219230][   T10]      netlink_rcv_skb+0x130/0x360
[ 2501.219230][   T10]      netlink_unicast+0x449/0x710
[ 2501.219230][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2501.219230][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2501.219230][   T10]      ___sys_sendmsg+0xee/0x170
[ 2501.219230][   T10]      __sys_sendmsg+0xcd/0x170
[ 2501.219230][   T10]      do_syscall_64+0xc6/0x1e0
[ 2501.219230][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2501.219230][   T10] 
[ 2501.220790][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2501.220790][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2501.220790][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2501.220790][   T10]      ipv6_find_idev+0x102/0x170
[ 2501.220790][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2501.220790][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2501.220790][   T10]      netlink_rcv_skb+0x130/0x360
[ 2501.220790][   T10]      netlink_unicast+0x449/0x710
[ 2501.220790][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2501.220790][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2501.220790][   T10]      ___sys_sendmsg+0xee/0x170
[ 2501.220790][   T10]      __sys_sendmsg+0xcd/0x170
[ 2501.220790][   T10]      do_syscall_64+0xc6/0x1e0
[ 2501.220790][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2501.220790][   T10] 
[ 2501.222521][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2501.222795][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2501.222795][   T10]      netdev_get_by_index+0x5e/0x80
[ 2501.222795][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2501.222795][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2501.222795][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2501.222795][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2501.222795][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2501.222795][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2501.222795][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2501.222795][   T10]      addrconf_dad_begin+0x310/0x670
[ 2501.222795][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2501.222795][   T10]      process_one_work+0x84d/0x18a0
[ 2501.222795][   T10]      worker_thread+0x587/0xd30
[ 2501.222795][   T10]      kthread+0x28a/0x350
[ 2501.222795][   T10]      ret_from_fork+0x31/0x70
[ 2501.222795][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2501.222795][   T10] 
[ 2501.224679][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2501.224679][   T10]      netdev_get_by_index+0x5e/0x80
[ 2501.224679][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2501.224679][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2501.224679][   T10]      ip6_route_add+0x1c/0x140
[ 2501.224679][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2501.224679][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2501.224679][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2501.224679][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2501.224679][   T10]      netlink_rcv_skb+0x130/0x360
[ 2501.224679][   T10]      netlink_unicast+0x449/0x710
[ 2501.224679][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2501.224679][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2501.224679][   T10]      ___sys_sendmsg+0xee/0x170
[ 2501.224679][   T10]      __sys_sendmsg+0xcd/0x170
[ 2501.224679][   T10]      do_syscall_64+0xc6/0x1e0
[ 2501.224679][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2501.224679][   T10] 
[ 2501.226675][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2501.226675][   T10]      netdev_get_by_index+0x5e/0x80
[ 2501.226675][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2501.226675][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2501.226675][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2501.226675][   T10]      ipv6_add_addr+0x411/0x2000
[ 2501.226675][   T10]      inet6_addr_add+0x30e/0xa40
[ 2501.226675][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2501.226675][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2501.226675][   T10]      netlink_rcv_skb+0x130/0x360
[ 2501.226675][   T10]      netlink_unicast+0x449/0x710
[ 2501.226675][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2501.226675][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2501.226675][   T10]      ___sys_sendmsg+0xee/0x170
[ 2501.226675][   T10]      __sys_sendmsg+0xcd/0x170
[ 2501.226675][   T10]      do_syscall_64+0xc6/0x1e0
[ 2501.226675][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2501.226675][   T10] 
[ 2501.228680][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2501.228680][   T10]      netdev_get_by_index+0x5e/0x80
[ 2501.228680][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2501.228680][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2501.228680][   T10]      ip6_route_add+0x1c/0x140
[ 2501.228680][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2501.228680][   T10]      addrconf_add_dev+0xe2/0x170
[ 2501.228680][   T10]      inet6_addr_add+0x12f/0xa40
[ 2501.228680][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2501.228680][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2501.228680][   T10]      netlink_rcv_skb+0x130/0x360
[ 2501.228680][   T10]      netlink_unicast+0x449/0x710
[ 2501.228680][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2501.228680][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2501.228680][   T10]      ___sys_sendmsg+0xee/0x170
[ 2501.228680][   T10]      __sys_sendmsg+0xcd/0x170
[ 2501.228680][   T10]      do_syscall_64+0xc6/0x1e0
[ 2501.228680][   T10] 
[ 2501.230652][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2501.230652][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2501.230652][   T10]      ipv6_find_idev+0x102/0x170
[ 2501.230652][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2501.230652][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2501.230652][   T10]      netlink_rcv_skb+0x130/0x360
[ 2501.230652][   T10]      netlink_unicast+0x449/0x710
[ 2501.230652][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2501.230652][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2501.230652][   T10]      ___sys_sendmsg+0xee/0x170
[ 2501.230652][   T10]      __sys_sendmsg+0xcd/0x170
[ 2501.230652][   T10]      do_syscall_64+0xc6/0x1e0
[ 2501.230652][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2501.230652][   T10] 
[ 2501.232224][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2501.232224][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2501.232224][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2501.232224][   T10]      ipv6_find_idev+0x102/0x170
[ 2501.232224][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2501.232224][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2501.232224][   T10]      netlink_rcv_skb+0x130/0x360
[ 2501.232224][   T10]      netlink_unicast+0x449/0x710
[ 2501.232224][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2501.232224][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2501.232224][   T10]      ___sys_sendmsg+0xee/0x170
[ 2501.232224][   T10]      __sys_sendmsg+0xcd/0x170
[ 2501.232224][   T10]      do_syscall_64+0xc6/0x1e0
[ 2501.232224][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2501.232224][   T10] 
[ 2511.240753][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2511.241199][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2511.241199][   T10]      netdev_get_by_index+0x5e/0x80
[ 2511.241199][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2511.241199][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2511.241199][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2511.241199][   T10]      ipv6_add_addr+0x411/0x2000
[ 2511.241199][   T10]      inet6_addr_add+0x30e/0xa40
[ 2511.241199][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2511.241199][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2511.241199][   T10]      netlink_rcv_skb+0x130/0x360
[ 2511.241199][   T10]      netlink_unicast+0x449/0x710
[ 2511.241199][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2511.241199][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2511.241199][   T10]      ___sys_sendmsg+0xee/0x170
[ 2511.241199][   T10]      __sys_sendmsg+0xcd/0x170
[ 2511.241199][   T10]      do_syscall_64+0xc6/0x1e0
[ 2511.241199][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2511.241199][   T10] 
[ 2511.243262][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2511.243262][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2511.243262][   T10]      ipv6_find_idev+0x102/0x170
[ 2511.243262][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2511.243262][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2511.243262][   T10]      netlink_rcv_skb+0x130/0x360
[ 2511.243262][   T10]      netlink_unicast+0x449/0x710
[ 2511.243262][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2511.243262][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2511.243262][   T10]      ___sys_sendmsg+0xee/0x170
[ 2511.243262][   T10]      __sys_sendmsg+0xcd/0x170
[ 2511.243262][   T10]      do_syscall_64+0xc6/0x1e0
[ 2511.243262][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2511.243262][   T10] 
[ 2511.244813][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2511.244813][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2511.244813][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2511.244813][   T10]      ipv6_find_idev+0x102/0x170
[ 2511.244813][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2511.244813][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2511.244813][   T10]      netlink_rcv_skb+0x130/0x360
[ 2511.244813][   T10]      netlink_unicast+0x449/0x710
[ 2511.244813][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2511.244813][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2511.244813][   T10]      ___sys_sendmsg+0xee/0x170
[ 2511.244813][   T10]      __sys_sendmsg+0xcd/0x170
[ 2511.244813][   T10]      do_syscall_64+0xc6/0x1e0
[ 2511.244813][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2511.244813][   T10] 
[ 2511.246515][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2511.246785][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2511.246785][   T10]      netdev_get_by_index+0x5e/0x80
[ 2511.246785][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2511.246785][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2511.246785][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2511.246785][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2511.246785][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2511.246785][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2511.246785][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2511.246785][   T10]      addrconf_dad_begin+0x310/0x670
[ 2511.246785][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2511.246785][   T10]      process_one_work+0x84d/0x18a0
[ 2511.246785][   T10]      worker_thread+0x587/0xd30
[ 2511.246785][   T10]      kthread+0x28a/0x350
[ 2511.246785][   T10]      ret_from_fork+0x31/0x70
[ 2511.246785][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2511.246785][   T10] 
[ 2511.248669][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2511.248669][   T10]      netdev_get_by_index+0x5e/0x80
[ 2511.248669][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2511.248669][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2511.248669][   T10]      ip6_route_add+0x1c/0x140
[ 2511.248669][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2511.248669][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2511.248669][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2511.248669][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2511.248669][   T10]      netlink_rcv_skb+0x130/0x360
[ 2511.248669][   T10]      netlink_unicast+0x449/0x710
[ 2511.248669][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2511.248669][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2511.248669][   T10]      ___sys_sendmsg+0xee/0x170
[ 2511.248669][   T10]      __sys_sendmsg+0xcd/0x170
[ 2511.248669][   T10]      do_syscall_64+0xc6/0x1e0
[ 2511.248669][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2511.248669][   T10] 
[ 2511.250671][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2511.250671][   T10]      netdev_get_by_index+0x5e/0x80
[ 2511.250671][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2511.250671][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2511.250671][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2511.250671][   T10]      ipv6_add_addr+0x411/0x2000
[ 2511.250671][   T10]      inet6_addr_add+0x30e/0xa40
[ 2511.250671][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2511.250671][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2511.250671][   T10]      netlink_rcv_skb+0x130/0x360
[ 2511.250671][   T10]      netlink_unicast+0x449/0x710
[ 2511.250671][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2511.250671][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2511.250671][   T10]      ___sys_sendmsg+0xee/0x170
[ 2511.250671][   T10]      __sys_sendmsg+0xcd/0x170
[ 2511.250671][   T10]      do_syscall_64+0xc6/0x1e0
[ 2511.250671][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2511.250671][   T10] 
[ 2511.252670][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2511.252670][   T10]      netdev_get_by_index+0x5e/0x80
[ 2511.252670][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2511.252670][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2511.252670][   T10]      ip6_route_add+0x1c/0x140
[ 2511.252670][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2511.252670][   T10]      addrconf_add_dev+0xe2/0x170
[ 2511.252670][   T10]      inet6_addr_add+0x12f/0xa40
[ 2511.252670][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2511.252670][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2511.252670][   T10]      netlink_rcv_skb+0x130/0x360
[ 2511.252670][   T10]      netlink_unicast+0x449/0x710
[ 2511.252670][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2511.252670][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2511.252670][   T10]      ___sys_sendmsg+0xee/0x170
[ 2511.252670][   T10]      __sys_sendmsg+0xcd/0x170
[ 2511.252670][   T10]      do_syscall_64+0xc6/0x1e0
[ 2511.252670][   T10] 
[ 2511.254629][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2511.254629][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2511.254629][   T10]      ipv6_find_idev+0x102/0x170
[ 2511.254629][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2511.254629][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2511.254629][   T10]      netlink_rcv_skb+0x130/0x360
[ 2511.254629][   T10]      netlink_unicast+0x449/0x710
[ 2511.254629][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2511.254629][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2511.254629][   T10]      ___sys_sendmsg+0xee/0x170
[ 2511.254629][   T10]      __sys_sendmsg+0xcd/0x170
[ 2511.254629][   T10]      do_syscall_64+0xc6/0x1e0
[ 2511.254629][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2511.254629][   T10] 
[ 2511.256169][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2511.256169][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2511.256169][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2511.256169][   T10]      ipv6_find_idev+0x102/0x170
[ 2511.256169][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2511.256169][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2511.256169][   T10]      netlink_rcv_skb+0x130/0x360
[ 2511.256169][   T10]      netlink_unicast+0x449/0x710
[ 2511.256169][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2511.256169][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2511.256169][   T10]      ___sys_sendmsg+0xee/0x170
[ 2511.256169][   T10]      __sys_sendmsg+0xcd/0x170
[ 2511.256169][   T10]      do_syscall_64+0xc6/0x1e0
[ 2511.256169][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2511.256169][   T10] 
[ 2521.496754][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2521.497245][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2521.497245][   T10]      netdev_get_by_index+0x5e/0x80
[ 2521.497245][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2521.497245][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2521.497245][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2521.497245][   T10]      ipv6_add_addr+0x411/0x2000
[ 2521.497245][   T10]      inet6_addr_add+0x30e/0xa40
[ 2521.497245][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2521.497245][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2521.497245][   T10]      netlink_rcv_skb+0x130/0x360
[ 2521.497245][   T10]      netlink_unicast+0x449/0x710
[ 2521.497245][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2521.497245][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2521.497245][   T10]      ___sys_sendmsg+0xee/0x170
[ 2521.497245][   T10]      __sys_sendmsg+0xcd/0x170
[ 2521.497245][   T10]      do_syscall_64+0xc6/0x1e0
[ 2521.497245][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2521.497245][   T10] 
[ 2521.499301][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2521.499301][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2521.499301][   T10]      ipv6_find_idev+0x102/0x170
[ 2521.499301][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2521.499301][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2521.499301][   T10]      netlink_rcv_skb+0x130/0x360
[ 2521.499301][   T10]      netlink_unicast+0x449/0x710
[ 2521.499301][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2521.499301][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2521.499301][   T10]      ___sys_sendmsg+0xee/0x170
[ 2521.499301][   T10]      __sys_sendmsg+0xcd/0x170
[ 2521.499301][   T10]      do_syscall_64+0xc6/0x1e0
[ 2521.499301][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2521.499301][   T10] 
[ 2521.500866][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2521.500866][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2521.500866][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2521.500866][   T10]      ipv6_find_idev+0x102/0x170
[ 2521.500866][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2521.500866][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2521.500866][   T10]      netlink_rcv_skb+0x130/0x360
[ 2521.500866][   T10]      netlink_unicast+0x449/0x710
[ 2521.500866][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2521.500866][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2521.500866][   T10]      ___sys_sendmsg+0xee/0x170
[ 2521.500866][   T10]      __sys_sendmsg+0xcd/0x170
[ 2521.500866][   T10]      do_syscall_64+0xc6/0x1e0
[ 2521.500866][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2521.500866][   T10] 
[ 2521.502717][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2521.502979][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2521.502979][   T10]      netdev_get_by_index+0x5e/0x80
[ 2521.502979][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2521.502979][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2521.502979][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2521.502979][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2521.502979][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2521.502979][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2521.502979][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2521.502979][   T10]      addrconf_dad_begin+0x310/0x670
[ 2521.502979][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2521.502979][   T10]      process_one_work+0x84d/0x18a0
[ 2521.502979][   T10]      worker_thread+0x587/0xd30
[ 2521.502979][   T10]      kthread+0x28a/0x350
[ 2521.502979][   T10]      ret_from_fork+0x31/0x70
[ 2521.502979][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2521.502979][   T10] 
[ 2521.504890][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2521.504890][   T10]      netdev_get_by_index+0x5e/0x80
[ 2521.504890][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2521.504890][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2521.504890][   T10]      ip6_route_add+0x1c/0x140
[ 2521.504890][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2521.504890][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2521.504890][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2521.504890][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2521.504890][   T10]      netlink_rcv_skb+0x130/0x360
[ 2521.504890][   T10]      netlink_unicast+0x449/0x710
[ 2521.504890][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2521.504890][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2521.504890][   T10]      ___sys_sendmsg+0xee/0x170
[ 2521.504890][   T10]      __sys_sendmsg+0xcd/0x170
[ 2521.504890][   T10]      do_syscall_64+0xc6/0x1e0
[ 2521.504890][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2521.504890][   T10] 
[ 2521.506948][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2521.506948][   T10]      netdev_get_by_index+0x5e/0x80
[ 2521.506948][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2521.506948][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2521.506948][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2521.506948][   T10]      ipv6_add_addr+0x411/0x2000
[ 2521.506948][   T10]      inet6_addr_add+0x30e/0xa40
[ 2521.506948][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2521.506948][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2521.506948][   T10]      netlink_rcv_skb+0x130/0x360
[ 2521.506948][   T10]      netlink_unicast+0x449/0x710
[ 2521.506948][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2521.506948][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2521.506948][   T10]      ___sys_sendmsg+0xee/0x170
[ 2521.506948][   T10]      __sys_sendmsg+0xcd/0x170
[ 2521.506948][   T10]      do_syscall_64+0xc6/0x1e0
[ 2521.506948][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2521.506948][   T10] 
[ 2521.508972][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2521.508972][   T10]      netdev_get_by_index+0x5e/0x80
[ 2521.508972][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2521.508972][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2521.508972][   T10]      ip6_route_add+0x1c/0x140
[ 2521.508972][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2521.508972][   T10]      addrconf_add_dev+0xe2/0x170
[ 2521.508972][   T10]      inet6_addr_add+0x12f/0xa40
[ 2521.508972][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2521.508972][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2521.508972][   T10]      netlink_rcv_skb+0x130/0x360
[ 2521.508972][   T10]      netlink_unicast+0x449/0x710
[ 2521.508972][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2521.508972][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2521.508972][   T10]      ___sys_sendmsg+0xee/0x170
[ 2521.508972][   T10]      __sys_sendmsg+0xcd/0x170
[ 2521.508972][   T10]      do_syscall_64+0xc6/0x1e0
[ 2521.508972][   T10] 
[ 2521.510971][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2521.510971][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2521.510971][   T10]      ipv6_find_idev+0x102/0x170
[ 2521.510971][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2521.510971][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2521.510971][   T10]      netlink_rcv_skb+0x130/0x360
[ 2521.510971][   T10]      netlink_unicast+0x449/0x710
[ 2521.510971][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2521.510971][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2521.510971][   T10]      ___sys_sendmsg+0xee/0x170
[ 2521.510971][   T10]      __sys_sendmsg+0xcd/0x170
[ 2521.510971][   T10]      do_syscall_64+0xc6/0x1e0
[ 2521.510971][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2521.510971][   T10] 
[ 2521.512531][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2521.512531][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2521.512531][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2521.512531][   T10]      ipv6_find_idev+0x102/0x170
[ 2521.512531][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2521.512531][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2521.512531][   T10]      netlink_rcv_skb+0x130/0x360
[ 2521.512531][   T10]      netlink_unicast+0x449/0x710
[ 2521.512531][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2521.512531][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2521.512531][   T10]      ___sys_sendmsg+0xee/0x170
[ 2521.512531][   T10]      __sys_sendmsg+0xcd/0x170
[ 2521.512531][   T10]      do_syscall_64+0xc6/0x1e0
[ 2521.512531][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2521.512531][   T10] 
[ 2531.752754][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2531.753231][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2531.753231][   T10]      netdev_get_by_index+0x5e/0x80
[ 2531.753231][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2531.753231][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2531.753231][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2531.753231][   T10]      ipv6_add_addr+0x411/0x2000
[ 2531.753231][   T10]      inet6_addr_add+0x30e/0xa40
[ 2531.753231][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2531.753231][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2531.753231][   T10]      netlink_rcv_skb+0x130/0x360
[ 2531.753231][   T10]      netlink_unicast+0x449/0x710
[ 2531.753231][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2531.753231][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2531.753231][   T10]      ___sys_sendmsg+0xee/0x170
[ 2531.753231][   T10]      __sys_sendmsg+0xcd/0x170
[ 2531.753231][   T10]      do_syscall_64+0xc6/0x1e0
[ 2531.753231][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2531.753231][   T10] 
[ 2531.755290][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2531.755290][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2531.755290][   T10]      ipv6_find_idev+0x102/0x170
[ 2531.755290][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2531.755290][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2531.755290][   T10]      netlink_rcv_skb+0x130/0x360
[ 2531.755290][   T10]      netlink_unicast+0x449/0x710
[ 2531.755290][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2531.755290][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2531.755290][   T10]      ___sys_sendmsg+0xee/0x170
[ 2531.755290][   T10]      __sys_sendmsg+0xcd/0x170
[ 2531.755290][   T10]      do_syscall_64+0xc6/0x1e0
[ 2531.755290][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2531.755290][   T10] 
[ 2531.756851][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2531.756851][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2531.756851][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2531.756851][   T10]      ipv6_find_idev+0x102/0x170
[ 2531.756851][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2531.756851][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2531.756851][   T10]      netlink_rcv_skb+0x130/0x360
[ 2531.756851][   T10]      netlink_unicast+0x449/0x710
[ 2531.756851][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2531.756851][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2531.756851][   T10]      ___sys_sendmsg+0xee/0x170
[ 2531.756851][   T10]      __sys_sendmsg+0xcd/0x170
[ 2531.756851][   T10]      do_syscall_64+0xc6/0x1e0
[ 2531.756851][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2531.756851][   T10] 
[ 2531.758577][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2531.758856][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2531.758856][   T10]      netdev_get_by_index+0x5e/0x80
[ 2531.758856][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2531.758856][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2531.758856][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2531.758856][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2531.758856][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2531.758856][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2531.758856][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2531.758856][   T10]      addrconf_dad_begin+0x310/0x670
[ 2531.758856][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2531.758856][   T10]      process_one_work+0x84d/0x18a0
[ 2531.758856][   T10]      worker_thread+0x587/0xd30
[ 2531.758856][   T10]      kthread+0x28a/0x350
[ 2531.758856][   T10]      ret_from_fork+0x31/0x70
[ 2531.758856][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2531.758856][   T10] 
[ 2531.760770][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2531.760770][   T10]      netdev_get_by_index+0x5e/0x80
[ 2531.760770][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2531.760770][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2531.760770][   T10]      ip6_route_add+0x1c/0x140
[ 2531.760770][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2531.760770][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2531.760770][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2531.760770][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2531.760770][   T10]      netlink_rcv_skb+0x130/0x360
[ 2531.760770][   T10]      netlink_unicast+0x449/0x710
[ 2531.760770][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2531.760770][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2531.760770][   T10]      ___sys_sendmsg+0xee/0x170
[ 2531.760770][   T10]      __sys_sendmsg+0xcd/0x170
[ 2531.760770][   T10]      do_syscall_64+0xc6/0x1e0
[ 2531.760770][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2531.760770][   T10] 
[ 2531.762820][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2531.762820][   T10]      netdev_get_by_index+0x5e/0x80
[ 2531.762820][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2531.762820][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2531.762820][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2531.762820][   T10]      ipv6_add_addr+0x411/0x2000
[ 2531.762820][   T10]      inet6_addr_add+0x30e/0xa40
[ 2531.762820][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2531.762820][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2531.762820][   T10]      netlink_rcv_skb+0x130/0x360
[ 2531.762820][   T10]      netlink_unicast+0x449/0x710
[ 2531.762820][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2531.762820][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2531.762820][   T10]      ___sys_sendmsg+0xee/0x170
[ 2531.762820][   T10]      __sys_sendmsg+0xcd/0x170
[ 2531.762820][   T10]      do_syscall_64+0xc6/0x1e0
[ 2531.762820][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2531.762820][   T10] 
[ 2531.764837][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2531.764837][   T10]      netdev_get_by_index+0x5e/0x80
[ 2531.764837][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2531.764837][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2531.764837][   T10]      ip6_route_add+0x1c/0x140
[ 2531.764837][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2531.764837][   T10]      addrconf_add_dev+0xe2/0x170
[ 2531.764837][   T10]      inet6_addr_add+0x12f/0xa40
[ 2531.764837][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2531.764837][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2531.764837][   T10]      netlink_rcv_skb+0x130/0x360
[ 2531.764837][   T10]      netlink_unicast+0x449/0x710
[ 2531.764837][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2531.764837][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2531.764837][   T10]      ___sys_sendmsg+0xee/0x170
[ 2531.764837][   T10]      __sys_sendmsg+0xcd/0x170
[ 2531.764837][   T10]      do_syscall_64+0xc6/0x1e0
[ 2531.764837][   T10] 
[ 2531.766817][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2531.766817][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2531.766817][   T10]      ipv6_find_idev+0x102/0x170
[ 2531.766817][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2531.766817][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2531.766817][   T10]      netlink_rcv_skb+0x130/0x360
[ 2531.766817][   T10]      netlink_unicast+0x449/0x710
[ 2531.766817][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2531.766817][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2531.766817][   T10]      ___sys_sendmsg+0xee/0x170
[ 2531.766817][   T10]      __sys_sendmsg+0xcd/0x170
[ 2531.766817][   T10]      do_syscall_64+0xc6/0x1e0
[ 2531.766817][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2531.766817][   T10] 
[ 2531.768367][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2531.768367][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2531.768367][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2531.768367][   T10]      ipv6_find_idev+0x102/0x170
[ 2531.768367][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2531.768367][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2531.768367][   T10]      netlink_rcv_skb+0x130/0x360
[ 2531.768367][   T10]      netlink_unicast+0x449/0x710
[ 2531.768367][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2531.768367][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2531.768367][   T10]      ___sys_sendmsg+0xee/0x170
[ 2531.768367][   T10]      __sys_sendmsg+0xcd/0x170
[ 2531.768367][   T10]      do_syscall_64+0xc6/0x1e0
[ 2531.768367][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2531.768367][   T10] 
[ 2542.008743][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2542.009196][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2542.009196][   T10]      netdev_get_by_index+0x5e/0x80
[ 2542.009196][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2542.009196][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2542.009196][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2542.009196][   T10]      ipv6_add_addr+0x411/0x2000
[ 2542.009196][   T10]      inet6_addr_add+0x30e/0xa40
[ 2542.009196][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2542.009196][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2542.009196][   T10]      netlink_rcv_skb+0x130/0x360
[ 2542.009196][   T10]      netlink_unicast+0x449/0x710
[ 2542.009196][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2542.009196][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2542.009196][   T10]      ___sys_sendmsg+0xee/0x170
[ 2542.009196][   T10]      __sys_sendmsg+0xcd/0x170
[ 2542.009196][   T10]      do_syscall_64+0xc6/0x1e0
[ 2542.009196][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2542.009196][   T10] 
[ 2542.011230][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2542.011230][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2542.011230][   T10]      ipv6_find_idev+0x102/0x170
[ 2542.011230][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2542.011230][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2542.011230][   T10]      netlink_rcv_skb+0x130/0x360
[ 2542.011230][   T10]      netlink_unicast+0x449/0x710
[ 2542.011230][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2542.011230][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2542.011230][   T10]      ___sys_sendmsg+0xee/0x170
[ 2542.011230][   T10]      __sys_sendmsg+0xcd/0x170
[ 2542.011230][   T10]      do_syscall_64+0xc6/0x1e0
[ 2542.011230][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2542.011230][   T10] 
[ 2542.012778][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2542.012778][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2542.012778][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2542.012778][   T10]      ipv6_find_idev+0x102/0x170
[ 2542.012778][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2542.012778][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2542.012778][   T10]      netlink_rcv_skb+0x130/0x360
[ 2542.012778][   T10]      netlink_unicast+0x449/0x710
[ 2542.012778][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2542.012778][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2542.012778][   T10]      ___sys_sendmsg+0xee/0x170
[ 2542.012778][   T10]      __sys_sendmsg+0xcd/0x170
[ 2542.012778][   T10]      do_syscall_64+0xc6/0x1e0
[ 2542.012778][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2542.012778][   T10] 
[ 2542.014478][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2542.014745][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2542.014745][   T10]      netdev_get_by_index+0x5e/0x80
[ 2542.014745][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2542.014745][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2542.014745][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2542.014745][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2542.014745][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2542.014745][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2542.014745][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2542.014745][   T10]      addrconf_dad_begin+0x310/0x670
[ 2542.014745][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2542.014745][   T10]      process_one_work+0x84d/0x18a0
[ 2542.014745][   T10]      worker_thread+0x587/0xd30
[ 2542.014745][   T10]      kthread+0x28a/0x350
[ 2542.014745][   T10]      ret_from_fork+0x31/0x70
[ 2542.014745][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2542.014745][   T10] 
[ 2542.016634][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2542.016634][   T10]      netdev_get_by_index+0x5e/0x80
[ 2542.016634][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2542.016634][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2542.016634][   T10]      ip6_route_add+0x1c/0x140
[ 2542.016634][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2542.016634][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2542.016634][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2542.016634][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2542.016634][   T10]      netlink_rcv_skb+0x130/0x360
[ 2542.016634][   T10]      netlink_unicast+0x449/0x710
[ 2542.016634][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2542.016634][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2542.016634][   T10]      ___sys_sendmsg+0xee/0x170
[ 2542.016634][   T10]      __sys_sendmsg+0xcd/0x170
[ 2542.016634][   T10]      do_syscall_64+0xc6/0x1e0
[ 2542.016634][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2542.016634][   T10] 
[ 2542.018648][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2542.018648][   T10]      netdev_get_by_index+0x5e/0x80
[ 2542.018648][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2542.018648][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2542.018648][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2542.018648][   T10]      ipv6_add_addr+0x411/0x2000
[ 2542.018648][   T10]      inet6_addr_add+0x30e/0xa40
[ 2542.018648][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2542.018648][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2542.018648][   T10]      netlink_rcv_skb+0x130/0x360
[ 2542.018648][   T10]      netlink_unicast+0x449/0x710
[ 2542.018648][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2542.018648][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2542.018648][   T10]      ___sys_sendmsg+0xee/0x170
[ 2542.018648][   T10]      __sys_sendmsg+0xcd/0x170
[ 2542.018648][   T10]      do_syscall_64+0xc6/0x1e0
[ 2542.018648][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2542.018648][   T10] 
[ 2542.020645][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2542.020645][   T10]      netdev_get_by_index+0x5e/0x80
[ 2542.020645][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2542.020645][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2542.020645][   T10]      ip6_route_add+0x1c/0x140
[ 2542.020645][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2542.020645][   T10]      addrconf_add_dev+0xe2/0x170
[ 2542.020645][   T10]      inet6_addr_add+0x12f/0xa40
[ 2542.020645][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2542.020645][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2542.020645][   T10]      netlink_rcv_skb+0x130/0x360
[ 2542.020645][   T10]      netlink_unicast+0x449/0x710
[ 2542.020645][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2542.020645][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2542.020645][   T10]      ___sys_sendmsg+0xee/0x170
[ 2542.020645][   T10]      __sys_sendmsg+0xcd/0x170
[ 2542.020645][   T10]      do_syscall_64+0xc6/0x1e0
[ 2542.020645][   T10] 
[ 2542.022620][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2542.022620][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2542.022620][   T10]      ipv6_find_idev+0x102/0x170
[ 2542.022620][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2542.022620][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2542.022620][   T10]      netlink_rcv_skb+0x130/0x360
[ 2542.022620][   T10]      netlink_unicast+0x449/0x710
[ 2542.022620][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2542.022620][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2542.022620][   T10]      ___sys_sendmsg+0xee/0x170
[ 2542.022620][   T10]      __sys_sendmsg+0xcd/0x170
[ 2542.022620][   T10]      do_syscall_64+0xc6/0x1e0
[ 2542.022620][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2542.022620][   T10] 
[ 2542.024154][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2542.024154][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2542.024154][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2542.024154][   T10]      ipv6_find_idev+0x102/0x170
[ 2542.024154][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2542.024154][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2542.024154][   T10]      netlink_rcv_skb+0x130/0x360
[ 2542.024154][   T10]      netlink_unicast+0x449/0x710
[ 2542.024154][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2542.024154][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2542.024154][   T10]      ___sys_sendmsg+0xee/0x170
[ 2542.024154][   T10]      __sys_sendmsg+0xcd/0x170
[ 2542.024154][   T10]      do_syscall_64+0xc6/0x1e0
[ 2542.024154][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2542.024154][   T10] 
[ 2552.256749][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2552.257223][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2552.257223][   T10]      netdev_get_by_index+0x5e/0x80
[ 2552.257223][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2552.257223][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2552.257223][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2552.257223][   T10]      ipv6_add_addr+0x411/0x2000
[ 2552.257223][   T10]      inet6_addr_add+0x30e/0xa40
[ 2552.257223][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2552.257223][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2552.257223][   T10]      netlink_rcv_skb+0x130/0x360
[ 2552.257223][   T10]      netlink_unicast+0x449/0x710
[ 2552.257223][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2552.257223][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2552.257223][   T10]      ___sys_sendmsg+0xee/0x170
[ 2552.257223][   T10]      __sys_sendmsg+0xcd/0x170
[ 2552.257223][   T10]      do_syscall_64+0xc6/0x1e0
[ 2552.257223][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2552.257223][   T10] 
[ 2552.259256][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2552.259256][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2552.259256][   T10]      ipv6_find_idev+0x102/0x170
[ 2552.259256][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2552.259256][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2552.259256][   T10]      netlink_rcv_skb+0x130/0x360
[ 2552.259256][   T10]      netlink_unicast+0x449/0x710
[ 2552.259256][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2552.259256][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2552.259256][   T10]      ___sys_sendmsg+0xee/0x170
[ 2552.259256][   T10]      __sys_sendmsg+0xcd/0x170
[ 2552.259256][   T10]      do_syscall_64+0xc6/0x1e0
[ 2552.259256][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2552.259256][   T10] 
[ 2552.260801][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2552.260801][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2552.260801][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2552.260801][   T10]      ipv6_find_idev+0x102/0x170
[ 2552.260801][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2552.260801][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2552.260801][   T10]      netlink_rcv_skb+0x130/0x360
[ 2552.260801][   T10]      netlink_unicast+0x449/0x710
[ 2552.260801][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2552.260801][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2552.260801][   T10]      ___sys_sendmsg+0xee/0x170
[ 2552.260801][   T10]      __sys_sendmsg+0xcd/0x170
[ 2552.260801][   T10]      do_syscall_64+0xc6/0x1e0
[ 2552.260801][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2552.260801][   T10] 
[ 2552.262498][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2552.262766][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2552.262766][   T10]      netdev_get_by_index+0x5e/0x80
[ 2552.262766][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2552.262766][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2552.262766][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2552.262766][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2552.262766][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2552.262766][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2552.262766][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2552.262766][   T10]      addrconf_dad_begin+0x310/0x670
[ 2552.262766][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2552.262766][   T10]      process_one_work+0x84d/0x18a0
[ 2552.262766][   T10]      worker_thread+0x587/0xd30
[ 2552.262766][   T10]      kthread+0x28a/0x350
[ 2552.262766][   T10]      ret_from_fork+0x31/0x70
[ 2552.262766][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2552.262766][   T10] 
[ 2552.264657][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2552.264657][   T10]      netdev_get_by_index+0x5e/0x80
[ 2552.264657][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2552.264657][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2552.264657][   T10]      ip6_route_add+0x1c/0x140
[ 2552.264657][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2552.264657][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2552.264657][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2552.264657][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2552.264657][   T10]      netlink_rcv_skb+0x130/0x360
[ 2552.264657][   T10]      netlink_unicast+0x449/0x710
[ 2552.264657][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2552.264657][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2552.264657][   T10]      ___sys_sendmsg+0xee/0x170
[ 2552.264657][   T10]      __sys_sendmsg+0xcd/0x170
[ 2552.264657][   T10]      do_syscall_64+0xc6/0x1e0
[ 2552.264657][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2552.264657][   T10] 
[ 2552.266653][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2552.266653][   T10]      netdev_get_by_index+0x5e/0x80
[ 2552.266653][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2552.266653][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2552.266653][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2552.266653][   T10]      ipv6_add_addr+0x411/0x2000
[ 2552.266653][   T10]      inet6_addr_add+0x30e/0xa40
[ 2552.266653][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2552.266653][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2552.266653][   T10]      netlink_rcv_skb+0x130/0x360
[ 2552.266653][   T10]      netlink_unicast+0x449/0x710
[ 2552.266653][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2552.266653][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2552.266653][   T10]      ___sys_sendmsg+0xee/0x170
[ 2552.266653][   T10]      __sys_sendmsg+0xcd/0x170
[ 2552.266653][   T10]      do_syscall_64+0xc6/0x1e0
[ 2552.266653][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2552.266653][   T10] 
[ 2552.268649][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2552.268649][   T10]      netdev_get_by_index+0x5e/0x80
[ 2552.268649][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2552.268649][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2552.268649][   T10]      ip6_route_add+0x1c/0x140
[ 2552.268649][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2552.268649][   T10]      addrconf_add_dev+0xe2/0x170
[ 2552.268649][   T10]      inet6_addr_add+0x12f/0xa40
[ 2552.268649][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2552.268649][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2552.268649][   T10]      netlink_rcv_skb+0x130/0x360
[ 2552.268649][   T10]      netlink_unicast+0x449/0x710
[ 2552.268649][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2552.268649][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2552.268649][   T10]      ___sys_sendmsg+0xee/0x170
[ 2552.268649][   T10]      __sys_sendmsg+0xcd/0x170
[ 2552.268649][   T10]      do_syscall_64+0xc6/0x1e0
[ 2552.268649][   T10] 
[ 2552.270608][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2552.270608][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2552.270608][   T10]      ipv6_find_idev+0x102/0x170
[ 2552.270608][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2552.270608][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2552.270608][   T10]      netlink_rcv_skb+0x130/0x360
[ 2552.270608][   T10]      netlink_unicast+0x449/0x710
[ 2552.270608][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2552.270608][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2552.270608][   T10]      ___sys_sendmsg+0xee/0x170
[ 2552.270608][   T10]      __sys_sendmsg+0xcd/0x170
[ 2552.270608][   T10]      do_syscall_64+0xc6/0x1e0
[ 2552.270608][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2552.270608][   T10] 
[ 2552.272161][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2552.272161][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2552.272161][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2552.272161][   T10]      ipv6_find_idev+0x102/0x170
[ 2552.272161][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2552.272161][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2552.272161][   T10]      netlink_rcv_skb+0x130/0x360
[ 2552.272161][   T10]      netlink_unicast+0x449/0x710
[ 2552.272161][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2552.272161][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2552.272161][   T10]      ___sys_sendmsg+0xee/0x170
[ 2552.272161][   T10]      __sys_sendmsg+0xcd/0x170
[ 2552.272161][   T10]      do_syscall_64+0xc6/0x1e0
[ 2552.272161][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2552.272161][   T10] 
[ 2562.528698][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2562.529096][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2562.529096][   T10]      netdev_get_by_index+0x5e/0x80
[ 2562.529096][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2562.529096][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2562.529096][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2562.529096][   T10]      ipv6_add_addr+0x411/0x2000
[ 2562.529096][   T10]      inet6_addr_add+0x30e/0xa40
[ 2562.529096][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2562.529096][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2562.529096][   T10]      netlink_rcv_skb+0x130/0x360
[ 2562.529096][   T10]      netlink_unicast+0x449/0x710
[ 2562.529096][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2562.529096][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2562.529096][   T10]      ___sys_sendmsg+0xee/0x170
[ 2562.529096][   T10]      __sys_sendmsg+0xcd/0x170
[ 2562.529096][   T10]      do_syscall_64+0xc6/0x1e0
[ 2562.529096][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2562.529096][   T10] 
[ 2562.533886][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2562.533886][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2562.533886][   T10]      ipv6_find_idev+0x102/0x170
[ 2562.533886][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2562.533886][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2562.533886][   T10]      netlink_rcv_skb+0x130/0x360
[ 2562.533886][   T10]      netlink_unicast+0x449/0x710
[ 2562.533886][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2562.533886][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2562.533886][   T10]      ___sys_sendmsg+0xee/0x170
[ 2562.533886][   T10]      __sys_sendmsg+0xcd/0x170
[ 2562.533886][   T10]      do_syscall_64+0xc6/0x1e0
[ 2562.533886][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2562.533886][   T10] 
[ 2562.538263][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2562.538263][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2562.538263][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2562.538263][   T10]      ipv6_find_idev+0x102/0x170
[ 2562.538263][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2562.538263][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2562.538263][   T10]      netlink_rcv_skb+0x130/0x360
[ 2562.538263][   T10]      netlink_unicast+0x449/0x710
[ 2562.538263][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2562.538263][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2562.538263][   T10]      ___sys_sendmsg+0xee/0x170
[ 2562.538263][   T10]      __sys_sendmsg+0xcd/0x170
[ 2562.538263][   T10]      do_syscall_64+0xc6/0x1e0
[ 2562.538263][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2562.538263][   T10] 
[ 2562.542998][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2562.543633][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2562.543633][   T10]      netdev_get_by_index+0x5e/0x80
[ 2562.543633][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2562.543633][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2562.543633][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2562.543633][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2562.543633][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2562.543633][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2562.543633][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2562.543633][   T10]      addrconf_dad_begin+0x310/0x670
[ 2562.543633][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2562.543633][   T10]      process_one_work+0x84d/0x18a0
[ 2562.543633][   T10]      worker_thread+0x587/0xd30
[ 2562.543633][   T10]      kthread+0x28a/0x350
[ 2562.543633][   T10]      ret_from_fork+0x31/0x70
[ 2562.543633][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2562.543633][   T10] 
[ 2562.548773][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2562.548773][   T10]      netdev_get_by_index+0x5e/0x80
[ 2562.548773][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2562.548773][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2562.548773][   T10]      ip6_route_add+0x1c/0x140
[ 2562.548773][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2562.548773][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2562.548773][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2562.548773][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2562.548773][   T10]      netlink_rcv_skb+0x130/0x360
[ 2562.548773][   T10]      netlink_unicast+0x449/0x710
[ 2562.548773][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2562.548773][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2562.548773][   T10]      ___sys_sendmsg+0xee/0x170
[ 2562.548773][   T10]      __sys_sendmsg+0xcd/0x170
[ 2562.548773][   T10]      do_syscall_64+0xc6/0x1e0
[ 2562.548773][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2562.548773][   T10] 
[ 2562.552962][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2562.552962][   T10]      netdev_get_by_index+0x5e/0x80
[ 2562.552962][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2562.552962][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2562.552962][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2562.552962][   T10]      ipv6_add_addr+0x411/0x2000
[ 2562.552962][   T10]      inet6_addr_add+0x30e/0xa40
[ 2562.552962][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2562.552962][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2562.552962][   T10]      netlink_rcv_skb+0x130/0x360
[ 2562.552962][   T10]      netlink_unicast+0x449/0x710
[ 2562.552962][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2562.552962][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2562.552962][   T10]      ___sys_sendmsg+0xee/0x170
[ 2562.552962][   T10]      __sys_sendmsg+0xcd/0x170
[ 2562.552962][   T10]      do_syscall_64+0xc6/0x1e0
[ 2562.552962][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2562.552962][   T10] 
[ 2562.556371][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2562.556371][   T10]      netdev_get_by_index+0x5e/0x80
[ 2562.556371][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2562.556371][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2562.556371][   T10]      ip6_route_add+0x1c/0x140
[ 2562.556371][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2562.556371][   T10]      addrconf_add_dev+0xe2/0x170
[ 2562.556371][   T10]      inet6_addr_add+0x12f/0xa40
[ 2562.556371][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2562.556371][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2562.556371][   T10]      netlink_rcv_skb+0x130/0x360
[ 2562.556371][   T10]      netlink_unicast+0x449/0x710
[ 2562.556371][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2562.556371][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2562.556371][   T10]      ___sys_sendmsg+0xee/0x170
[ 2562.556371][   T10]      __sys_sendmsg+0xcd/0x170
[ 2562.556371][   T10]      do_syscall_64+0xc6/0x1e0
[ 2562.556371][   T10] 
[ 2562.559717][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2562.559717][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2562.559717][   T10]      ipv6_find_idev+0x102/0x170
[ 2562.559717][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2562.559717][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2562.559717][   T10]      netlink_rcv_skb+0x130/0x360
[ 2562.559717][   T10]      netlink_unicast+0x449/0x710
[ 2562.559717][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2562.559717][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2562.559717][   T10]      ___sys_sendmsg+0xee/0x170
[ 2562.559717][   T10]      __sys_sendmsg+0xcd/0x170
[ 2562.559717][   T10]      do_syscall_64+0xc6/0x1e0
[ 2562.559717][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2562.559717][   T10] 
[ 2562.562409][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2562.562409][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2562.562409][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2562.562409][   T10]      ipv6_find_idev+0x102/0x170
[ 2562.562409][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2562.562409][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2562.562409][   T10]      netlink_rcv_skb+0x130/0x360
[ 2562.562409][   T10]      netlink_unicast+0x449/0x710
[ 2562.562409][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2562.562409][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2562.562409][   T10]      ___sys_sendmsg+0xee/0x170
[ 2562.562409][   T10]      __sys_sendmsg+0xcd/0x170
[ 2562.562409][   T10]      do_syscall_64+0xc6/0x1e0
[ 2562.562409][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2562.562409][   T10] 
[ 2572.736743][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2572.737139][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2572.737139][   T10]      netdev_get_by_index+0x5e/0x80
[ 2572.737139][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2572.737139][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2572.737139][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2572.737139][   T10]      ipv6_add_addr+0x411/0x2000
[ 2572.737139][   T10]      inet6_addr_add+0x30e/0xa40
[ 2572.737139][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2572.737139][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2572.737139][   T10]      netlink_rcv_skb+0x130/0x360
[ 2572.737139][   T10]      netlink_unicast+0x449/0x710
[ 2572.737139][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2572.737139][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2572.737139][   T10]      ___sys_sendmsg+0xee/0x170
[ 2572.737139][   T10]      __sys_sendmsg+0xcd/0x170
[ 2572.737139][   T10]      do_syscall_64+0xc6/0x1e0
[ 2572.737139][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2572.737139][   T10] 
[ 2572.739195][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2572.739195][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2572.739195][   T10]      ipv6_find_idev+0x102/0x170
[ 2572.739195][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2572.739195][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2572.739195][   T10]      netlink_rcv_skb+0x130/0x360
[ 2572.739195][   T10]      netlink_unicast+0x449/0x710
[ 2572.739195][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2572.739195][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2572.739195][   T10]      ___sys_sendmsg+0xee/0x170
[ 2572.739195][   T10]      __sys_sendmsg+0xcd/0x170
[ 2572.739195][   T10]      do_syscall_64+0xc6/0x1e0
[ 2572.739195][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2572.739195][   T10] 
[ 2572.740744][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2572.740744][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2572.740744][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2572.740744][   T10]      ipv6_find_idev+0x102/0x170
[ 2572.740744][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2572.740744][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2572.740744][   T10]      netlink_rcv_skb+0x130/0x360
[ 2572.740744][   T10]      netlink_unicast+0x449/0x710
[ 2572.740744][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2572.740744][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2572.740744][   T10]      ___sys_sendmsg+0xee/0x170
[ 2572.740744][   T10]      __sys_sendmsg+0xcd/0x170
[ 2572.740744][   T10]      do_syscall_64+0xc6/0x1e0
[ 2572.740744][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2572.740744][   T10] 
[ 2572.742465][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2572.742733][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2572.742733][   T10]      netdev_get_by_index+0x5e/0x80
[ 2572.742733][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2572.742733][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2572.742733][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2572.742733][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2572.742733][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2572.742733][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2572.742733][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2572.742733][   T10]      addrconf_dad_begin+0x310/0x670
[ 2572.742733][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2572.742733][   T10]      process_one_work+0x84d/0x18a0
[ 2572.742733][   T10]      worker_thread+0x587/0xd30
[ 2572.742733][   T10]      kthread+0x28a/0x350
[ 2572.742733][   T10]      ret_from_fork+0x31/0x70
[ 2572.742733][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2572.742733][   T10] 
[ 2572.744641][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2572.744641][   T10]      netdev_get_by_index+0x5e/0x80
[ 2572.744641][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2572.744641][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2572.744641][   T10]      ip6_route_add+0x1c/0x140
[ 2572.744641][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2572.744641][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2572.744641][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2572.744641][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2572.744641][   T10]      netlink_rcv_skb+0x130/0x360
[ 2572.744641][   T10]      netlink_unicast+0x449/0x710
[ 2572.744641][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2572.744641][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2572.744641][   T10]      ___sys_sendmsg+0xee/0x170
[ 2572.744641][   T10]      __sys_sendmsg+0xcd/0x170
[ 2572.744641][   T10]      do_syscall_64+0xc6/0x1e0
[ 2572.744641][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2572.744641][   T10] 
[ 2572.746657][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2572.746657][   T10]      netdev_get_by_index+0x5e/0x80
[ 2572.746657][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2572.746657][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2572.746657][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2572.746657][   T10]      ipv6_add_addr+0x411/0x2000
[ 2572.746657][   T10]      inet6_addr_add+0x30e/0xa40
[ 2572.746657][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2572.746657][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2572.746657][   T10]      netlink_rcv_skb+0x130/0x360
[ 2572.746657][   T10]      netlink_unicast+0x449/0x710
[ 2572.746657][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2572.746657][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2572.746657][   T10]      ___sys_sendmsg+0xee/0x170
[ 2572.746657][   T10]      __sys_sendmsg+0xcd/0x170
[ 2572.746657][   T10]      do_syscall_64+0xc6/0x1e0
[ 2572.746657][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2572.746657][   T10] 
[ 2572.748668][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2572.748668][   T10]      netdev_get_by_index+0x5e/0x80
[ 2572.748668][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2572.748668][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2572.748668][   T10]      ip6_route_add+0x1c/0x140
[ 2572.748668][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2572.748668][   T10]      addrconf_add_dev+0xe2/0x170
[ 2572.748668][   T10]      inet6_addr_add+0x12f/0xa40
[ 2572.748668][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2572.748668][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2572.748668][   T10]      netlink_rcv_skb+0x130/0x360
[ 2572.748668][   T10]      netlink_unicast+0x449/0x710
[ 2572.748668][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2572.748668][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2572.748668][   T10]      ___sys_sendmsg+0xee/0x170
[ 2572.748668][   T10]      __sys_sendmsg+0xcd/0x170
[ 2572.748668][   T10]      do_syscall_64+0xc6/0x1e0
[ 2572.748668][   T10] 
[ 2572.750646][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2572.750646][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2572.750646][   T10]      ipv6_find_idev+0x102/0x170
[ 2572.750646][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2572.750646][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2572.750646][   T10]      netlink_rcv_skb+0x130/0x360
[ 2572.750646][   T10]      netlink_unicast+0x449/0x710
[ 2572.750646][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2572.750646][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2572.750646][   T10]      ___sys_sendmsg+0xee/0x170
[ 2572.750646][   T10]      __sys_sendmsg+0xcd/0x170
[ 2572.750646][   T10]      do_syscall_64+0xc6/0x1e0
[ 2572.750646][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2572.750646][   T10] 
[ 2572.752744][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2572.752744][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2572.752744][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2572.752744][   T10]      ipv6_find_idev+0x102/0x170
[ 2572.752744][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2572.752744][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2572.752744][   T10]      netlink_rcv_skb+0x130/0x360
[ 2572.752744][   T10]      netlink_unicast+0x449/0x710
[ 2572.752744][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2572.752744][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2572.752744][   T10]      ___sys_sendmsg+0xee/0x170
[ 2572.752744][   T10]      __sys_sendmsg+0xcd/0x170
[ 2572.752744][   T10]      do_syscall_64+0xc6/0x1e0
[ 2572.752744][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2572.752744][   T10] 
[ 2582.784746][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2582.785138][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2582.785138][   T10]      netdev_get_by_index+0x5e/0x80
[ 2582.785138][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2582.785138][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2582.785138][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2582.785138][   T10]      ipv6_add_addr+0x411/0x2000
[ 2582.785138][   T10]      inet6_addr_add+0x30e/0xa40
[ 2582.785138][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2582.785138][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2582.785138][   T10]      netlink_rcv_skb+0x130/0x360
[ 2582.785138][   T10]      netlink_unicast+0x449/0x710
[ 2582.785138][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2582.785138][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2582.785138][   T10]      ___sys_sendmsg+0xee/0x170
[ 2582.785138][   T10]      __sys_sendmsg+0xcd/0x170
[ 2582.785138][   T10]      do_syscall_64+0xc6/0x1e0
[ 2582.785138][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2582.785138][   T10] 
[ 2582.787252][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2582.787252][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2582.787252][   T10]      ipv6_find_idev+0x102/0x170
[ 2582.787252][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2582.787252][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2582.787252][   T10]      netlink_rcv_skb+0x130/0x360
[ 2582.787252][   T10]      netlink_unicast+0x449/0x710
[ 2582.787252][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2582.787252][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2582.787252][   T10]      ___sys_sendmsg+0xee/0x170
[ 2582.787252][   T10]      __sys_sendmsg+0xcd/0x170
[ 2582.787252][   T10]      do_syscall_64+0xc6/0x1e0
[ 2582.787252][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2582.787252][   T10] 
[ 2582.788806][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2582.788806][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2582.788806][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2582.788806][   T10]      ipv6_find_idev+0x102/0x170
[ 2582.788806][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2582.788806][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2582.788806][   T10]      netlink_rcv_skb+0x130/0x360
[ 2582.788806][   T10]      netlink_unicast+0x449/0x710
[ 2582.788806][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2582.788806][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2582.788806][   T10]      ___sys_sendmsg+0xee/0x170
[ 2582.788806][   T10]      __sys_sendmsg+0xcd/0x170
[ 2582.788806][   T10]      do_syscall_64+0xc6/0x1e0
[ 2582.788806][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2582.788806][   T10] 
[ 2582.790501][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2582.790775][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2582.790775][   T10]      netdev_get_by_index+0x5e/0x80
[ 2582.790775][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2582.790775][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2582.790775][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2582.790775][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2582.790775][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2582.790775][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2582.790775][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2582.790775][   T10]      addrconf_dad_begin+0x310/0x670
[ 2582.790775][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2582.790775][   T10]      process_one_work+0x84d/0x18a0
[ 2582.790775][   T10]      worker_thread+0x587/0xd30
[ 2582.790775][   T10]      kthread+0x28a/0x350
[ 2582.790775][   T10]      ret_from_fork+0x31/0x70
[ 2582.790775][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2582.790775][   T10] 
[ 2582.792657][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2582.792657][   T10]      netdev_get_by_index+0x5e/0x80
[ 2582.792657][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2582.792657][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2582.792657][   T10]      ip6_route_add+0x1c/0x140
[ 2582.792657][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2582.792657][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2582.792657][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2582.792657][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2582.792657][   T10]      netlink_rcv_skb+0x130/0x360
[ 2582.792657][   T10]      netlink_unicast+0x449/0x710
[ 2582.792657][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2582.792657][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2582.792657][   T10]      ___sys_sendmsg+0xee/0x170
[ 2582.792657][   T10]      __sys_sendmsg+0xcd/0x170
[ 2582.792657][   T10]      do_syscall_64+0xc6/0x1e0
[ 2582.792657][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2582.792657][   T10] 
[ 2582.794649][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2582.794649][   T10]      netdev_get_by_index+0x5e/0x80
[ 2582.794649][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2582.794649][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2582.794649][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2582.794649][   T10]      ipv6_add_addr+0x411/0x2000
[ 2582.794649][   T10]      inet6_addr_add+0x30e/0xa40
[ 2582.794649][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2582.794649][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2582.794649][   T10]      netlink_rcv_skb+0x130/0x360
[ 2582.794649][   T10]      netlink_unicast+0x449/0x710
[ 2582.794649][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2582.794649][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2582.794649][   T10]      ___sys_sendmsg+0xee/0x170
[ 2582.794649][   T10]      __sys_sendmsg+0xcd/0x170
[ 2582.794649][   T10]      do_syscall_64+0xc6/0x1e0
[ 2582.794649][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2582.794649][   T10] 
[ 2582.796649][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2582.796649][   T10]      netdev_get_by_index+0x5e/0x80
[ 2582.796649][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2582.796649][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2582.796649][   T10]      ip6_route_add+0x1c/0x140
[ 2582.796649][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2582.796649][   T10]      addrconf_add_dev+0xe2/0x170
[ 2582.796649][   T10]      inet6_addr_add+0x12f/0xa40
[ 2582.796649][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2582.796649][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2582.796649][   T10]      netlink_rcv_skb+0x130/0x360
[ 2582.796649][   T10]      netlink_unicast+0x449/0x710
[ 2582.796649][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2582.796649][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2582.796649][   T10]      ___sys_sendmsg+0xee/0x170
[ 2582.796649][   T10]      __sys_sendmsg+0xcd/0x170
[ 2582.796649][   T10]      do_syscall_64+0xc6/0x1e0
[ 2582.796649][   T10] 
[ 2582.798606][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2582.798606][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2582.798606][   T10]      ipv6_find_idev+0x102/0x170
[ 2582.798606][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2582.798606][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2582.798606][   T10]      netlink_rcv_skb+0x130/0x360
[ 2582.798606][   T10]      netlink_unicast+0x449/0x710
[ 2582.798606][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2582.798606][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2582.798606][   T10]      ___sys_sendmsg+0xee/0x170
[ 2582.798606][   T10]      __sys_sendmsg+0xcd/0x170
[ 2582.798606][   T10]      do_syscall_64+0xc6/0x1e0
[ 2582.798606][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2582.798606][   T10] 
[ 2582.800146][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2582.800146][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2582.800146][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2582.800146][   T10]      ipv6_find_idev+0x102/0x170
[ 2582.800146][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2582.800146][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2582.800146][   T10]      netlink_rcv_skb+0x130/0x360
[ 2582.800146][   T10]      netlink_unicast+0x449/0x710
[ 2582.800146][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2582.800146][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2582.800146][   T10]      ___sys_sendmsg+0xee/0x170
[ 2582.800146][   T10]      __sys_sendmsg+0xcd/0x170
[ 2582.800146][   T10]      do_syscall_64+0xc6/0x1e0
[ 2582.800146][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2582.800146][   T10] 
[ 2593.040775][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2593.041262][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2593.041262][   T10]      netdev_get_by_index+0x5e/0x80
[ 2593.041262][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2593.041262][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2593.041262][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2593.041262][   T10]      ipv6_add_addr+0x411/0x2000
[ 2593.041262][   T10]      inet6_addr_add+0x30e/0xa40
[ 2593.041262][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2593.041262][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2593.041262][   T10]      netlink_rcv_skb+0x130/0x360
[ 2593.041262][   T10]      netlink_unicast+0x449/0x710
[ 2593.041262][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2593.041262][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2593.041262][   T10]      ___sys_sendmsg+0xee/0x170
[ 2593.041262][   T10]      __sys_sendmsg+0xcd/0x170
[ 2593.041262][   T10]      do_syscall_64+0xc6/0x1e0
[ 2593.041262][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2593.041262][   T10] 
[ 2593.043320][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2593.043320][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2593.043320][   T10]      ipv6_find_idev+0x102/0x170
[ 2593.043320][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2593.043320][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2593.043320][   T10]      netlink_rcv_skb+0x130/0x360
[ 2593.043320][   T10]      netlink_unicast+0x449/0x710
[ 2593.043320][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2593.043320][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2593.043320][   T10]      ___sys_sendmsg+0xee/0x170
[ 2593.043320][   T10]      __sys_sendmsg+0xcd/0x170
[ 2593.043320][   T10]      do_syscall_64+0xc6/0x1e0
[ 2593.043320][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2593.043320][   T10] 
[ 2593.045563][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2593.045563][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2593.045563][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2593.045563][   T10]      ipv6_find_idev+0x102/0x170
[ 2593.045563][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2593.045563][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2593.045563][   T10]      netlink_rcv_skb+0x130/0x360
[ 2593.045563][   T10]      netlink_unicast+0x449/0x710
[ 2593.045563][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2593.045563][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2593.045563][   T10]      ___sys_sendmsg+0xee/0x170
[ 2593.045563][   T10]      __sys_sendmsg+0xcd/0x170
[ 2593.045563][   T10]      do_syscall_64+0xc6/0x1e0
[ 2593.045563][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2593.045563][   T10] 
[ 2593.047282][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2593.047551][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2593.047551][   T10]      netdev_get_by_index+0x5e/0x80
[ 2593.047551][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2593.047551][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2593.047551][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2593.047551][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2593.047551][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2593.047551][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2593.047551][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2593.047551][   T10]      addrconf_dad_begin+0x310/0x670
[ 2593.047551][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2593.047551][   T10]      process_one_work+0x84d/0x18a0
[ 2593.047551][   T10]      worker_thread+0x587/0xd30
[ 2593.047551][   T10]      kthread+0x28a/0x350
[ 2593.047551][   T10]      ret_from_fork+0x31/0x70
[ 2593.047551][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2593.047551][   T10] 
[ 2593.049452][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2593.049452][   T10]      netdev_get_by_index+0x5e/0x80
[ 2593.049452][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2593.049452][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2593.049452][   T10]      ip6_route_add+0x1c/0x140
[ 2593.049452][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2593.049452][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2593.049452][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2593.049452][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2593.049452][   T10]      netlink_rcv_skb+0x130/0x360
[ 2593.049452][   T10]      netlink_unicast+0x449/0x710
[ 2593.049452][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2593.049452][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2593.049452][   T10]      ___sys_sendmsg+0xee/0x170
[ 2593.049452][   T10]      __sys_sendmsg+0xcd/0x170
[ 2593.049452][   T10]      do_syscall_64+0xc6/0x1e0
[ 2593.049452][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2593.049452][   T10] 
[ 2593.051493][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2593.051493][   T10]      netdev_get_by_index+0x5e/0x80
[ 2593.051493][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2593.051493][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2593.051493][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2593.051493][   T10]      ipv6_add_addr+0x411/0x2000
[ 2593.051493][   T10]      inet6_addr_add+0x30e/0xa40
[ 2593.051493][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2593.051493][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2593.051493][   T10]      netlink_rcv_skb+0x130/0x360
[ 2593.051493][   T10]      netlink_unicast+0x449/0x710
[ 2593.051493][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2593.051493][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2593.051493][   T10]      ___sys_sendmsg+0xee/0x170
[ 2593.051493][   T10]      __sys_sendmsg+0xcd/0x170
[ 2593.051493][   T10]      do_syscall_64+0xc6/0x1e0
[ 2593.051493][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2593.051493][   T10] 
[ 2593.053510][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2593.053510][   T10]      netdev_get_by_index+0x5e/0x80
[ 2593.053510][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2593.053510][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2593.053510][   T10]      ip6_route_add+0x1c/0x140
[ 2593.053510][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2593.053510][   T10]      addrconf_add_dev+0xe2/0x170
[ 2593.053510][   T10]      inet6_addr_add+0x12f/0xa40
[ 2593.053510][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2593.053510][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2593.053510][   T10]      netlink_rcv_skb+0x130/0x360
[ 2593.053510][   T10]      netlink_unicast+0x449/0x710
[ 2593.053510][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2593.053510][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2593.053510][   T10]      ___sys_sendmsg+0xee/0x170
[ 2593.053510][   T10]      __sys_sendmsg+0xcd/0x170
[ 2593.053510][   T10]      do_syscall_64+0xc6/0x1e0
[ 2593.053510][   T10] 
[ 2593.055492][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2593.055492][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2593.055492][   T10]      ipv6_find_idev+0x102/0x170
[ 2593.055492][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2593.055492][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2593.055492][   T10]      netlink_rcv_skb+0x130/0x360
[ 2593.055492][   T10]      netlink_unicast+0x449/0x710
[ 2593.055492][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2593.055492][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2593.055492][   T10]      ___sys_sendmsg+0xee/0x170
[ 2593.055492][   T10]      __sys_sendmsg+0xcd/0x170
[ 2593.055492][   T10]      do_syscall_64+0xc6/0x1e0
[ 2593.055492][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2593.055492][   T10] 
[ 2593.057056][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2593.057056][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2593.057056][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2593.057056][   T10]      ipv6_find_idev+0x102/0x170
[ 2593.057056][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2593.057056][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2593.057056][   T10]      netlink_rcv_skb+0x130/0x360
[ 2593.057056][   T10]      netlink_unicast+0x449/0x710
[ 2593.057056][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2593.057056][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2593.057056][   T10]      ___sys_sendmsg+0xee/0x170
[ 2593.057056][   T10]      __sys_sendmsg+0xcd/0x170
[ 2593.057056][   T10]      do_syscall_64+0xc6/0x1e0
[ 2593.057056][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2593.057056][   T10] 
[ 2603.296741][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2603.297181][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2603.297181][   T10]      netdev_get_by_index+0x5e/0x80
[ 2603.297181][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2603.297181][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2603.297181][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2603.297181][   T10]      ipv6_add_addr+0x411/0x2000
[ 2603.297181][   T10]      inet6_addr_add+0x30e/0xa40
[ 2603.297181][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2603.297181][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2603.297181][   T10]      netlink_rcv_skb+0x130/0x360
[ 2603.297181][   T10]      netlink_unicast+0x449/0x710
[ 2603.297181][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2603.297181][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2603.297181][   T10]      ___sys_sendmsg+0xee/0x170
[ 2603.297181][   T10]      __sys_sendmsg+0xcd/0x170
[ 2603.297181][   T10]      do_syscall_64+0xc6/0x1e0
[ 2603.297181][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2603.297181][   T10] 
[ 2603.299236][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2603.299236][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2603.299236][   T10]      ipv6_find_idev+0x102/0x170
[ 2603.299236][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2603.299236][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2603.299236][   T10]      netlink_rcv_skb+0x130/0x360
[ 2603.299236][   T10]      netlink_unicast+0x449/0x710
[ 2603.299236][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2603.299236][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2603.299236][   T10]      ___sys_sendmsg+0xee/0x170
[ 2603.299236][   T10]      __sys_sendmsg+0xcd/0x170
[ 2603.299236][   T10]      do_syscall_64+0xc6/0x1e0
[ 2603.299236][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2603.299236][   T10] 
[ 2603.300776][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2603.300776][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2603.300776][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2603.300776][   T10]      ipv6_find_idev+0x102/0x170
[ 2603.300776][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2603.300776][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2603.300776][   T10]      netlink_rcv_skb+0x130/0x360
[ 2603.300776][   T10]      netlink_unicast+0x449/0x710
[ 2603.300776][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2603.300776][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2603.300776][   T10]      ___sys_sendmsg+0xee/0x170
[ 2603.300776][   T10]      __sys_sendmsg+0xcd/0x170
[ 2603.300776][   T10]      do_syscall_64+0xc6/0x1e0
[ 2603.300776][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2603.300776][   T10] 
[ 2603.302505][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2603.302776][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2603.302776][   T10]      netdev_get_by_index+0x5e/0x80
[ 2603.302776][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2603.302776][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2603.302776][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2603.302776][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2603.302776][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2603.302776][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2603.302776][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2603.302776][   T10]      addrconf_dad_begin+0x310/0x670
[ 2603.302776][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2603.302776][   T10]      process_one_work+0x84d/0x18a0
[ 2603.302776][   T10]      worker_thread+0x587/0xd30
[ 2603.302776][   T10]      kthread+0x28a/0x350
[ 2603.302776][   T10]      ret_from_fork+0x31/0x70
[ 2603.302776][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2603.302776][   T10] 
[ 2603.304705][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2603.304705][   T10]      netdev_get_by_index+0x5e/0x80
[ 2603.304705][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2603.304705][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2603.304705][   T10]      ip6_route_add+0x1c/0x140
[ 2603.304705][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2603.304705][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2603.304705][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2603.304705][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2603.304705][   T10]      netlink_rcv_skb+0x130/0x360
[ 2603.304705][   T10]      netlink_unicast+0x449/0x710
[ 2603.304705][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2603.304705][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2603.304705][   T10]      ___sys_sendmsg+0xee/0x170
[ 2603.304705][   T10]      __sys_sendmsg+0xcd/0x170
[ 2603.304705][   T10]      do_syscall_64+0xc6/0x1e0
[ 2603.304705][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2603.304705][   T10] 
[ 2603.306705][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2603.306705][   T10]      netdev_get_by_index+0x5e/0x80
[ 2603.306705][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2603.306705][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2603.306705][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2603.306705][   T10]      ipv6_add_addr+0x411/0x2000
[ 2603.306705][   T10]      inet6_addr_add+0x30e/0xa40
[ 2603.306705][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2603.306705][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2603.306705][   T10]      netlink_rcv_skb+0x130/0x360
[ 2603.306705][   T10]      netlink_unicast+0x449/0x710
[ 2603.306705][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2603.306705][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2603.306705][   T10]      ___sys_sendmsg+0xee/0x170
[ 2603.306705][   T10]      __sys_sendmsg+0xcd/0x170
[ 2603.306705][   T10]      do_syscall_64+0xc6/0x1e0
[ 2603.306705][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2603.306705][   T10] 
[ 2603.308701][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2603.308701][   T10]      netdev_get_by_index+0x5e/0x80
[ 2603.308701][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2603.308701][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2603.308701][   T10]      ip6_route_add+0x1c/0x140
[ 2603.308701][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2603.308701][   T10]      addrconf_add_dev+0xe2/0x170
[ 2603.308701][   T10]      inet6_addr_add+0x12f/0xa40
[ 2603.308701][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2603.308701][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2603.308701][   T10]      netlink_rcv_skb+0x130/0x360
[ 2603.308701][   T10]      netlink_unicast+0x449/0x710
[ 2603.308701][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2603.308701][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2603.308701][   T10]      ___sys_sendmsg+0xee/0x170
[ 2603.308701][   T10]      __sys_sendmsg+0xcd/0x170
[ 2603.308701][   T10]      do_syscall_64+0xc6/0x1e0
[ 2603.308701][   T10] 
[ 2603.310662][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2603.310662][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2603.310662][   T10]      ipv6_find_idev+0x102/0x170
[ 2603.310662][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2603.310662][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2603.310662][   T10]      netlink_rcv_skb+0x130/0x360
[ 2603.310662][   T10]      netlink_unicast+0x449/0x710
[ 2603.310662][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2603.310662][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2603.310662][   T10]      ___sys_sendmsg+0xee/0x170
[ 2603.310662][   T10]      __sys_sendmsg+0xcd/0x170
[ 2603.310662][   T10]      do_syscall_64+0xc6/0x1e0
[ 2603.310662][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2603.310662][   T10] 
[ 2603.312207][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2603.312207][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2603.312207][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2603.312207][   T10]      ipv6_find_idev+0x102/0x170
[ 2603.312207][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2603.312207][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2603.312207][   T10]      netlink_rcv_skb+0x130/0x360
[ 2603.312207][   T10]      netlink_unicast+0x449/0x710
[ 2603.312207][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2603.312207][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2603.312207][   T10]      ___sys_sendmsg+0xee/0x170
[ 2603.312207][   T10]      __sys_sendmsg+0xcd/0x170
[ 2603.312207][   T10]      do_syscall_64+0xc6/0x1e0
[ 2603.312207][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2603.312207][   T10] 
[ 2613.552763][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2613.553209][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2613.553209][   T10]      netdev_get_by_index+0x5e/0x80
[ 2613.553209][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2613.553209][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2613.553209][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2613.553209][   T10]      ipv6_add_addr+0x411/0x2000
[ 2613.553209][   T10]      inet6_addr_add+0x30e/0xa40
[ 2613.553209][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2613.553209][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2613.553209][   T10]      netlink_rcv_skb+0x130/0x360
[ 2613.553209][   T10]      netlink_unicast+0x449/0x710
[ 2613.553209][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2613.553209][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2613.553209][   T10]      ___sys_sendmsg+0xee/0x170
[ 2613.553209][   T10]      __sys_sendmsg+0xcd/0x170
[ 2613.553209][   T10]      do_syscall_64+0xc6/0x1e0
[ 2613.553209][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2613.553209][   T10] 
[ 2613.555688][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2613.555688][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2613.555688][   T10]      ipv6_find_idev+0x102/0x170
[ 2613.555688][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2613.555688][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2613.555688][   T10]      netlink_rcv_skb+0x130/0x360
[ 2613.555688][   T10]      netlink_unicast+0x449/0x710
[ 2613.555688][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2613.555688][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2613.555688][   T10]      ___sys_sendmsg+0xee/0x170
[ 2613.555688][   T10]      __sys_sendmsg+0xcd/0x170
[ 2613.555688][   T10]      do_syscall_64+0xc6/0x1e0
[ 2613.555688][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2613.555688][   T10] 
[ 2613.557570][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2613.557570][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2613.557570][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2613.557570][   T10]      ipv6_find_idev+0x102/0x170
[ 2613.557570][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2613.557570][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2613.557570][   T10]      netlink_rcv_skb+0x130/0x360
[ 2613.557570][   T10]      netlink_unicast+0x449/0x710
[ 2613.557570][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2613.557570][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2613.557570][   T10]      ___sys_sendmsg+0xee/0x170
[ 2613.557570][   T10]      __sys_sendmsg+0xcd/0x170
[ 2613.557570][   T10]      do_syscall_64+0xc6/0x1e0
[ 2613.557570][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2613.557570][   T10] 
[ 2613.559640][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2613.559935][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2613.559935][   T10]      netdev_get_by_index+0x5e/0x80
[ 2613.559935][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2613.559935][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2613.559935][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2613.559935][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2613.559935][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2613.559935][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2613.559935][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2613.559935][   T10]      addrconf_dad_begin+0x310/0x670
[ 2613.559935][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2613.559935][   T10]      process_one_work+0x84d/0x18a0
[ 2613.559935][   T10]      worker_thread+0x587/0xd30
[ 2613.559935][   T10]      kthread+0x28a/0x350
[ 2613.559935][   T10]      ret_from_fork+0x31/0x70
[ 2613.559935][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2613.559935][   T10] 
[ 2613.562231][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2613.562231][   T10]      netdev_get_by_index+0x5e/0x80
[ 2613.562231][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2613.562231][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2613.562231][   T10]      ip6_route_add+0x1c/0x140
[ 2613.562231][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2613.562231][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2613.562231][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2613.562231][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2613.562231][   T10]      netlink_rcv_skb+0x130/0x360
[ 2613.562231][   T10]      netlink_unicast+0x449/0x710
[ 2613.562231][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2613.562231][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2613.562231][   T10]      ___sys_sendmsg+0xee/0x170
[ 2613.562231][   T10]      __sys_sendmsg+0xcd/0x170
[ 2613.562231][   T10]      do_syscall_64+0xc6/0x1e0
[ 2613.562231][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2613.562231][   T10] 
[ 2613.564672][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2613.564672][   T10]      netdev_get_by_index+0x5e/0x80
[ 2613.564672][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2613.564672][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2613.564672][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2613.564672][   T10]      ipv6_add_addr+0x411/0x2000
[ 2613.564672][   T10]      inet6_addr_add+0x30e/0xa40
[ 2613.564672][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2613.564672][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2613.564672][   T10]      netlink_rcv_skb+0x130/0x360
[ 2613.564672][   T10]      netlink_unicast+0x449/0x710
[ 2613.564672][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2613.564672][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2613.564672][   T10]      ___sys_sendmsg+0xee/0x170
[ 2613.564672][   T10]      __sys_sendmsg+0xcd/0x170
[ 2613.564672][   T10]      do_syscall_64+0xc6/0x1e0
[ 2613.564672][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2613.564672][   T10] 
[ 2613.567113][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2613.567113][   T10]      netdev_get_by_index+0x5e/0x80
[ 2613.567113][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2613.567113][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2613.567113][   T10]      ip6_route_add+0x1c/0x140
[ 2613.567113][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2613.567113][   T10]      addrconf_add_dev+0xe2/0x170
[ 2613.567113][   T10]      inet6_addr_add+0x12f/0xa40
[ 2613.567113][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2613.567113][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2613.567113][   T10]      netlink_rcv_skb+0x130/0x360
[ 2613.567113][   T10]      netlink_unicast+0x449/0x710
[ 2613.567113][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2613.567113][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2613.567113][   T10]      ___sys_sendmsg+0xee/0x170
[ 2613.567113][   T10]      __sys_sendmsg+0xcd/0x170
[ 2613.567113][   T10]      do_syscall_64+0xc6/0x1e0
[ 2613.567113][   T10] 
[ 2613.569529][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2613.569529][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2613.569529][   T10]      ipv6_find_idev+0x102/0x170
[ 2613.569529][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2613.569529][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2613.569529][   T10]      netlink_rcv_skb+0x130/0x360
[ 2613.569529][   T10]      netlink_unicast+0x449/0x710
[ 2613.569529][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2613.569529][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2613.569529][   T10]      ___sys_sendmsg+0xee/0x170
[ 2613.569529][   T10]      __sys_sendmsg+0xcd/0x170
[ 2613.569529][   T10]      do_syscall_64+0xc6/0x1e0
[ 2613.569529][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2613.569529][   T10] 
[ 2613.571432][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2613.571432][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2613.571432][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2613.571432][   T10]      ipv6_find_idev+0x102/0x170
[ 2613.571432][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2613.571432][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2613.571432][   T10]      netlink_rcv_skb+0x130/0x360
[ 2613.571432][   T10]      netlink_unicast+0x449/0x710
[ 2613.571432][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2613.571432][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2613.571432][   T10]      ___sys_sendmsg+0xee/0x170
[ 2613.571432][   T10]      __sys_sendmsg+0xcd/0x170
[ 2613.571432][   T10]      do_syscall_64+0xc6/0x1e0
[ 2613.571432][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2613.571432][   T10] 
[ 2623.808743][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2623.809199][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2623.809199][   T10]      netdev_get_by_index+0x5e/0x80
[ 2623.809199][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2623.809199][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2623.809199][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2623.809199][   T10]      ipv6_add_addr+0x411/0x2000
[ 2623.809199][   T10]      inet6_addr_add+0x30e/0xa40
[ 2623.809199][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2623.809199][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2623.809199][   T10]      netlink_rcv_skb+0x130/0x360
[ 2623.809199][   T10]      netlink_unicast+0x449/0x710
[ 2623.809199][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2623.809199][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2623.809199][   T10]      ___sys_sendmsg+0xee/0x170
[ 2623.809199][   T10]      __sys_sendmsg+0xcd/0x170
[ 2623.809199][   T10]      do_syscall_64+0xc6/0x1e0
[ 2623.809199][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2623.809199][   T10] 
[ 2623.811288][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2623.811288][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2623.811288][   T10]      ipv6_find_idev+0x102/0x170
[ 2623.811288][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2623.811288][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2623.811288][   T10]      netlink_rcv_skb+0x130/0x360
[ 2623.811288][   T10]      netlink_unicast+0x449/0x710
[ 2623.811288][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2623.811288][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2623.811288][   T10]      ___sys_sendmsg+0xee/0x170
[ 2623.811288][   T10]      __sys_sendmsg+0xcd/0x170
[ 2623.811288][   T10]      do_syscall_64+0xc6/0x1e0
[ 2623.811288][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2623.811288][   T10] 
[ 2623.812852][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2623.812852][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2623.812852][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2623.812852][   T10]      ipv6_find_idev+0x102/0x170
[ 2623.812852][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2623.812852][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2623.812852][   T10]      netlink_rcv_skb+0x130/0x360
[ 2623.812852][   T10]      netlink_unicast+0x449/0x710
[ 2623.812852][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2623.812852][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2623.812852][   T10]      ___sys_sendmsg+0xee/0x170
[ 2623.812852][   T10]      __sys_sendmsg+0xcd/0x170
[ 2623.812852][   T10]      do_syscall_64+0xc6/0x1e0
[ 2623.812852][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2623.812852][   T10] 
[ 2623.814574][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2623.814849][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2623.814849][   T10]      netdev_get_by_index+0x5e/0x80
[ 2623.814849][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2623.814849][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2623.814849][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2623.814849][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2623.814849][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2623.814849][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2623.814849][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2623.814849][   T10]      addrconf_dad_begin+0x310/0x670
[ 2623.814849][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2623.814849][   T10]      process_one_work+0x84d/0x18a0
[ 2623.814849][   T10]      worker_thread+0x587/0xd30
[ 2623.814849][   T10]      kthread+0x28a/0x350
[ 2623.814849][   T10]      ret_from_fork+0x31/0x70
[ 2623.814849][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2623.814849][   T10] 
[ 2623.816747][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2623.816747][   T10]      netdev_get_by_index+0x5e/0x80
[ 2623.816747][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2623.816747][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2623.816747][   T10]      ip6_route_add+0x1c/0x140
[ 2623.816747][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2623.816747][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2623.816747][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2623.816747][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2623.816747][   T10]      netlink_rcv_skb+0x130/0x360
[ 2623.816747][   T10]      netlink_unicast+0x449/0x710
[ 2623.816747][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2623.816747][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2623.816747][   T10]      ___sys_sendmsg+0xee/0x170
[ 2623.816747][   T10]      __sys_sendmsg+0xcd/0x170
[ 2623.816747][   T10]      do_syscall_64+0xc6/0x1e0
[ 2623.816747][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2623.816747][   T10] 
[ 2623.818757][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2623.818757][   T10]      netdev_get_by_index+0x5e/0x80
[ 2623.818757][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2623.818757][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2623.818757][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2623.818757][   T10]      ipv6_add_addr+0x411/0x2000
[ 2623.818757][   T10]      inet6_addr_add+0x30e/0xa40
[ 2623.818757][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2623.818757][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2623.818757][   T10]      netlink_rcv_skb+0x130/0x360
[ 2623.818757][   T10]      netlink_unicast+0x449/0x710
[ 2623.818757][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2623.818757][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2623.818757][   T10]      ___sys_sendmsg+0xee/0x170
[ 2623.818757][   T10]      __sys_sendmsg+0xcd/0x170
[ 2623.818757][   T10]      do_syscall_64+0xc6/0x1e0
[ 2623.818757][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2623.818757][   T10] 
[ 2623.820789][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2623.820789][   T10]      netdev_get_by_index+0x5e/0x80
[ 2623.820789][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2623.820789][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2623.820789][   T10]      ip6_route_add+0x1c/0x140
[ 2623.820789][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2623.820789][   T10]      addrconf_add_dev+0xe2/0x170
[ 2623.820789][   T10]      inet6_addr_add+0x12f/0xa40
[ 2623.820789][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2623.820789][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2623.820789][   T10]      netlink_rcv_skb+0x130/0x360
[ 2623.820789][   T10]      netlink_unicast+0x449/0x710
[ 2623.820789][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2623.820789][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2623.820789][   T10]      ___sys_sendmsg+0xee/0x170
[ 2623.820789][   T10]      __sys_sendmsg+0xcd/0x170
[ 2623.820789][   T10]      do_syscall_64+0xc6/0x1e0
[ 2623.820789][   T10] 
[ 2623.822802][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2623.822802][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2623.822802][   T10]      ipv6_find_idev+0x102/0x170
[ 2623.822802][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2623.822802][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2623.822802][   T10]      netlink_rcv_skb+0x130/0x360
[ 2623.822802][   T10]      netlink_unicast+0x449/0x710
[ 2623.822802][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2623.822802][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2623.822802][   T10]      ___sys_sendmsg+0xee/0x170
[ 2623.822802][   T10]      __sys_sendmsg+0xcd/0x170
[ 2623.822802][   T10]      do_syscall_64+0xc6/0x1e0
[ 2623.822802][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2623.822802][   T10] 
[ 2623.824350][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2623.824350][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2623.824350][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2623.824350][   T10]      ipv6_find_idev+0x102/0x170
[ 2623.824350][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2623.824350][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2623.824350][   T10]      netlink_rcv_skb+0x130/0x360
[ 2623.824350][   T10]      netlink_unicast+0x449/0x710
[ 2623.824350][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2623.824350][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2623.824350][   T10]      ___sys_sendmsg+0xee/0x170
[ 2623.824350][   T10]      __sys_sendmsg+0xcd/0x170
[ 2623.824350][   T10]      do_syscall_64+0xc6/0x1e0
[ 2623.824350][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2623.824350][   T10] 
[ 2634.032770][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2634.033168][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2634.033168][   T10]      netdev_get_by_index+0x5e/0x80
[ 2634.033168][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2634.033168][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2634.033168][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2634.033168][   T10]      ipv6_add_addr+0x411/0x2000
[ 2634.033168][   T10]      inet6_addr_add+0x30e/0xa40
[ 2634.033168][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2634.033168][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2634.033168][   T10]      netlink_rcv_skb+0x130/0x360
[ 2634.033168][   T10]      netlink_unicast+0x449/0x710
[ 2634.033168][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2634.033168][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2634.033168][   T10]      ___sys_sendmsg+0xee/0x170
[ 2634.033168][   T10]      __sys_sendmsg+0xcd/0x170
[ 2634.033168][   T10]      do_syscall_64+0xc6/0x1e0
[ 2634.033168][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2634.033168][   T10] 
[ 2634.035286][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2634.035286][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2634.035286][   T10]      ipv6_find_idev+0x102/0x170
[ 2634.035286][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2634.035286][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2634.035286][   T10]      netlink_rcv_skb+0x130/0x360
[ 2634.035286][   T10]      netlink_unicast+0x449/0x710
[ 2634.035286][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2634.035286][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2634.035286][   T10]      ___sys_sendmsg+0xee/0x170
[ 2634.035286][   T10]      __sys_sendmsg+0xcd/0x170
[ 2634.035286][   T10]      do_syscall_64+0xc6/0x1e0
[ 2634.035286][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2634.035286][   T10] 
[ 2634.036850][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2634.036850][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2634.036850][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2634.036850][   T10]      ipv6_find_idev+0x102/0x170
[ 2634.036850][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2634.036850][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2634.036850][   T10]      netlink_rcv_skb+0x130/0x360
[ 2634.036850][   T10]      netlink_unicast+0x449/0x710
[ 2634.036850][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2634.036850][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2634.036850][   T10]      ___sys_sendmsg+0xee/0x170
[ 2634.036850][   T10]      __sys_sendmsg+0xcd/0x170
[ 2634.036850][   T10]      do_syscall_64+0xc6/0x1e0
[ 2634.036850][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2634.036850][   T10] 
[ 2634.038545][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2634.038820][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2634.038820][   T10]      netdev_get_by_index+0x5e/0x80
[ 2634.038820][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2634.038820][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2634.038820][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2634.038820][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2634.038820][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2634.038820][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2634.038820][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2634.038820][   T10]      addrconf_dad_begin+0x310/0x670
[ 2634.038820][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2634.038820][   T10]      process_one_work+0x84d/0x18a0
[ 2634.038820][   T10]      worker_thread+0x587/0xd30
[ 2634.038820][   T10]      kthread+0x28a/0x350
[ 2634.038820][   T10]      ret_from_fork+0x31/0x70
[ 2634.038820][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2634.038820][   T10] 
[ 2634.040720][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2634.040720][   T10]      netdev_get_by_index+0x5e/0x80
[ 2634.040720][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2634.040720][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2634.040720][   T10]      ip6_route_add+0x1c/0x140
[ 2634.040720][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2634.040720][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2634.040720][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2634.040720][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2634.040720][   T10]      netlink_rcv_skb+0x130/0x360
[ 2634.040720][   T10]      netlink_unicast+0x449/0x710
[ 2634.040720][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2634.040720][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2634.040720][   T10]      ___sys_sendmsg+0xee/0x170
[ 2634.040720][   T10]      __sys_sendmsg+0xcd/0x170
[ 2634.040720][   T10]      do_syscall_64+0xc6/0x1e0
[ 2634.040720][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2634.040720][   T10] 
[ 2634.042735][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2634.042735][   T10]      netdev_get_by_index+0x5e/0x80
[ 2634.042735][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2634.042735][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2634.042735][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2634.042735][   T10]      ipv6_add_addr+0x411/0x2000
[ 2634.042735][   T10]      inet6_addr_add+0x30e/0xa40
[ 2634.042735][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2634.042735][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2634.042735][   T10]      netlink_rcv_skb+0x130/0x360
[ 2634.042735][   T10]      netlink_unicast+0x449/0x710
[ 2634.042735][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2634.042735][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2634.042735][   T10]      ___sys_sendmsg+0xee/0x170
[ 2634.042735][   T10]      __sys_sendmsg+0xcd/0x170
[ 2634.042735][   T10]      do_syscall_64+0xc6/0x1e0
[ 2634.042735][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2634.042735][   T10] 
[ 2634.044732][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2634.044732][   T10]      netdev_get_by_index+0x5e/0x80
[ 2634.044732][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2634.044732][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2634.044732][   T10]      ip6_route_add+0x1c/0x140
[ 2634.044732][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2634.044732][   T10]      addrconf_add_dev+0xe2/0x170
[ 2634.044732][   T10]      inet6_addr_add+0x12f/0xa40
[ 2634.044732][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2634.044732][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2634.044732][   T10]      netlink_rcv_skb+0x130/0x360
[ 2634.044732][   T10]      netlink_unicast+0x449/0x710
[ 2634.044732][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2634.044732][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2634.044732][   T10]      ___sys_sendmsg+0xee/0x170
[ 2634.044732][   T10]      __sys_sendmsg+0xcd/0x170
[ 2634.044732][   T10]      do_syscall_64+0xc6/0x1e0
[ 2634.044732][   T10] 
[ 2634.046712][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2634.046712][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2634.046712][   T10]      ipv6_find_idev+0x102/0x170
[ 2634.046712][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2634.046712][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2634.046712][   T10]      netlink_rcv_skb+0x130/0x360
[ 2634.046712][   T10]      netlink_unicast+0x449/0x710
[ 2634.046712][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2634.046712][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2634.046712][   T10]      ___sys_sendmsg+0xee/0x170
[ 2634.046712][   T10]      __sys_sendmsg+0xcd/0x170
[ 2634.046712][   T10]      do_syscall_64+0xc6/0x1e0
[ 2634.046712][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2634.046712][   T10] 
[ 2634.048267][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2634.048267][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2634.048267][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2634.048267][   T10]      ipv6_find_idev+0x102/0x170
[ 2634.048267][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2634.048267][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2634.048267][   T10]      netlink_rcv_skb+0x130/0x360
[ 2634.048267][   T10]      netlink_unicast+0x449/0x710
[ 2634.048267][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2634.048267][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2634.048267][   T10]      ___sys_sendmsg+0xee/0x170
[ 2634.048267][   T10]      __sys_sendmsg+0xcd/0x170
[ 2634.048267][   T10]      do_syscall_64+0xc6/0x1e0
[ 2634.048267][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2634.048267][   T10] 
[ 2644.304748][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2644.305188][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2644.305188][   T10]      netdev_get_by_index+0x5e/0x80
[ 2644.305188][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2644.305188][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2644.305188][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2644.305188][   T10]      ipv6_add_addr+0x411/0x2000
[ 2644.305188][   T10]      inet6_addr_add+0x30e/0xa40
[ 2644.305188][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2644.305188][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2644.305188][   T10]      netlink_rcv_skb+0x130/0x360
[ 2644.305188][   T10]      netlink_unicast+0x449/0x710
[ 2644.305188][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2644.305188][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2644.305188][   T10]      ___sys_sendmsg+0xee/0x170
[ 2644.305188][   T10]      __sys_sendmsg+0xcd/0x170
[ 2644.305188][   T10]      do_syscall_64+0xc6/0x1e0
[ 2644.305188][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2644.305188][   T10] 
[ 2644.307268][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2644.307268][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2644.307268][   T10]      ipv6_find_idev+0x102/0x170
[ 2644.307268][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2644.307268][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2644.307268][   T10]      netlink_rcv_skb+0x130/0x360
[ 2644.307268][   T10]      netlink_unicast+0x449/0x710
[ 2644.307268][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2644.307268][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2644.307268][   T10]      ___sys_sendmsg+0xee/0x170
[ 2644.307268][   T10]      __sys_sendmsg+0xcd/0x170
[ 2644.307268][   T10]      do_syscall_64+0xc6/0x1e0
[ 2644.307268][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2644.307268][   T10] 
[ 2644.308811][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2644.308811][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2644.308811][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2644.308811][   T10]      ipv6_find_idev+0x102/0x170
[ 2644.308811][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2644.308811][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2644.308811][   T10]      netlink_rcv_skb+0x130/0x360
[ 2644.308811][   T10]      netlink_unicast+0x449/0x710
[ 2644.308811][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2644.308811][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2644.308811][   T10]      ___sys_sendmsg+0xee/0x170
[ 2644.308811][   T10]      __sys_sendmsg+0xcd/0x170
[ 2644.308811][   T10]      do_syscall_64+0xc6/0x1e0
[ 2644.308811][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2644.308811][   T10] 
[ 2644.310518][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2644.310798][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2644.310798][   T10]      netdev_get_by_index+0x5e/0x80
[ 2644.310798][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2644.310798][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2644.310798][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2644.310798][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2644.310798][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2644.310798][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2644.310798][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2644.310798][   T10]      addrconf_dad_begin+0x310/0x670
[ 2644.310798][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2644.310798][   T10]      process_one_work+0x84d/0x18a0
[ 2644.310798][   T10]      worker_thread+0x587/0xd30
[ 2644.310798][   T10]      kthread+0x28a/0x350
[ 2644.310798][   T10]      ret_from_fork+0x31/0x70
[ 2644.310798][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2644.310798][   T10] 
[ 2644.312687][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2644.312687][   T10]      netdev_get_by_index+0x5e/0x80
[ 2644.312687][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2644.312687][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2644.312687][   T10]      ip6_route_add+0x1c/0x140
[ 2644.312687][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2644.312687][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2644.312687][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2644.312687][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2644.312687][   T10]      netlink_rcv_skb+0x130/0x360
[ 2644.312687][   T10]      netlink_unicast+0x449/0x710
[ 2644.312687][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2644.312687][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2644.312687][   T10]      ___sys_sendmsg+0xee/0x170
[ 2644.312687][   T10]      __sys_sendmsg+0xcd/0x170
[ 2644.312687][   T10]      do_syscall_64+0xc6/0x1e0
[ 2644.312687][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2644.312687][   T10] 
[ 2644.314707][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2644.314707][   T10]      netdev_get_by_index+0x5e/0x80
[ 2644.314707][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2644.314707][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2644.314707][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2644.314707][   T10]      ipv6_add_addr+0x411/0x2000
[ 2644.314707][   T10]      inet6_addr_add+0x30e/0xa40
[ 2644.314707][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2644.314707][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2644.314707][   T10]      netlink_rcv_skb+0x130/0x360
[ 2644.314707][   T10]      netlink_unicast+0x449/0x710
[ 2644.314707][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2644.314707][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2644.314707][   T10]      ___sys_sendmsg+0xee/0x170
[ 2644.314707][   T10]      __sys_sendmsg+0xcd/0x170
[ 2644.314707][   T10]      do_syscall_64+0xc6/0x1e0
[ 2644.314707][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2644.314707][   T10] 
[ 2644.316730][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2644.316730][   T10]      netdev_get_by_index+0x5e/0x80
[ 2644.316730][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2644.316730][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2644.316730][   T10]      ip6_route_add+0x1c/0x140
[ 2644.316730][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2644.316730][   T10]      addrconf_add_dev+0xe2/0x170
[ 2644.316730][   T10]      inet6_addr_add+0x12f/0xa40
[ 2644.316730][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2644.316730][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2644.316730][   T10]      netlink_rcv_skb+0x130/0x360
[ 2644.316730][   T10]      netlink_unicast+0x449/0x710
[ 2644.316730][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2644.316730][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2644.316730][   T10]      ___sys_sendmsg+0xee/0x170
[ 2644.316730][   T10]      __sys_sendmsg+0xcd/0x170
[ 2644.316730][   T10]      do_syscall_64+0xc6/0x1e0
[ 2644.316730][   T10] 
[ 2644.318716][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2644.318716][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2644.318716][   T10]      ipv6_find_idev+0x102/0x170
[ 2644.318716][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2644.318716][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2644.318716][   T10]      netlink_rcv_skb+0x130/0x360
[ 2644.318716][   T10]      netlink_unicast+0x449/0x710
[ 2644.318716][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2644.318716][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2644.318716][   T10]      ___sys_sendmsg+0xee/0x170
[ 2644.318716][   T10]      __sys_sendmsg+0xcd/0x170
[ 2644.318716][   T10]      do_syscall_64+0xc6/0x1e0
[ 2644.318716][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2644.318716][   T10] 
[ 2644.320541][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2644.320541][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2644.320541][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2644.320541][   T10]      ipv6_find_idev+0x102/0x170
[ 2644.320541][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2644.320541][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2644.320541][   T10]      netlink_rcv_skb+0x130/0x360
[ 2644.320541][   T10]      netlink_unicast+0x449/0x710
[ 2644.320541][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2644.320541][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2644.320541][   T10]      ___sys_sendmsg+0xee/0x170
[ 2644.320541][   T10]      __sys_sendmsg+0xcd/0x170
[ 2644.320541][   T10]      do_syscall_64+0xc6/0x1e0
[ 2644.320541][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2644.320541][   T10] 
[ 2654.576754][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2654.577206][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2654.577206][   T10]      netdev_get_by_index+0x5e/0x80
[ 2654.577206][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2654.577206][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2654.577206][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2654.577206][   T10]      ipv6_add_addr+0x411/0x2000
[ 2654.577206][   T10]      inet6_addr_add+0x30e/0xa40
[ 2654.577206][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2654.577206][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2654.577206][   T10]      netlink_rcv_skb+0x130/0x360
[ 2654.577206][   T10]      netlink_unicast+0x449/0x710
[ 2654.577206][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2654.577206][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2654.577206][   T10]      ___sys_sendmsg+0xee/0x170
[ 2654.577206][   T10]      __sys_sendmsg+0xcd/0x170
[ 2654.577206][   T10]      do_syscall_64+0xc6/0x1e0
[ 2654.577206][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2654.577206][   T10] 
[ 2654.579266][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2654.579266][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2654.579266][   T10]      ipv6_find_idev+0x102/0x170
[ 2654.579266][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2654.579266][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2654.579266][   T10]      netlink_rcv_skb+0x130/0x360
[ 2654.579266][   T10]      netlink_unicast+0x449/0x710
[ 2654.579266][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2654.579266][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2654.579266][   T10]      ___sys_sendmsg+0xee/0x170
[ 2654.579266][   T10]      __sys_sendmsg+0xcd/0x170
[ 2654.579266][   T10]      do_syscall_64+0xc6/0x1e0
[ 2654.579266][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2654.579266][   T10] 
[ 2654.580843][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2654.580843][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2654.580843][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2654.580843][   T10]      ipv6_find_idev+0x102/0x170
[ 2654.580843][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2654.580843][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2654.580843][   T10]      netlink_rcv_skb+0x130/0x360
[ 2654.580843][   T10]      netlink_unicast+0x449/0x710
[ 2654.580843][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2654.580843][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2654.580843][   T10]      ___sys_sendmsg+0xee/0x170
[ 2654.580843][   T10]      __sys_sendmsg+0xcd/0x170
[ 2654.580843][   T10]      do_syscall_64+0xc6/0x1e0
[ 2654.580843][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2654.580843][   T10] 
[ 2654.582541][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2654.582812][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2654.582812][   T10]      netdev_get_by_index+0x5e/0x80
[ 2654.582812][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2654.582812][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2654.582812][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2654.582812][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2654.582812][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2654.582812][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2654.582812][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2654.582812][   T10]      addrconf_dad_begin+0x310/0x670
[ 2654.582812][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2654.582812][   T10]      process_one_work+0x84d/0x18a0
[ 2654.582812][   T10]      worker_thread+0x587/0xd30
[ 2654.582812][   T10]      kthread+0x28a/0x350
[ 2654.582812][   T10]      ret_from_fork+0x31/0x70
[ 2654.582812][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2654.582812][   T10] 
[ 2654.584723][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2654.584723][   T10]      netdev_get_by_index+0x5e/0x80
[ 2654.584723][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2654.584723][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2654.584723][   T10]      ip6_route_add+0x1c/0x140
[ 2654.584723][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2654.584723][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2654.584723][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2654.584723][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2654.584723][   T10]      netlink_rcv_skb+0x130/0x360
[ 2654.584723][   T10]      netlink_unicast+0x449/0x710
[ 2654.584723][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2654.584723][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2654.584723][   T10]      ___sys_sendmsg+0xee/0x170
[ 2654.584723][   T10]      __sys_sendmsg+0xcd/0x170
[ 2654.584723][   T10]      do_syscall_64+0xc6/0x1e0
[ 2654.584723][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2654.584723][   T10] 
[ 2654.586733][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2654.586733][   T10]      netdev_get_by_index+0x5e/0x80
[ 2654.586733][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2654.586733][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2654.586733][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2654.586733][   T10]      ipv6_add_addr+0x411/0x2000
[ 2654.586733][   T10]      inet6_addr_add+0x30e/0xa40
[ 2654.586733][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2654.586733][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2654.586733][   T10]      netlink_rcv_skb+0x130/0x360
[ 2654.586733][   T10]      netlink_unicast+0x449/0x710
[ 2654.586733][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2654.586733][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2654.586733][   T10]      ___sys_sendmsg+0xee/0x170
[ 2654.586733][   T10]      __sys_sendmsg+0xcd/0x170
[ 2654.586733][   T10]      do_syscall_64+0xc6/0x1e0
[ 2654.586733][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2654.586733][   T10] 
[ 2654.588749][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2654.588749][   T10]      netdev_get_by_index+0x5e/0x80
[ 2654.588749][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2654.588749][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2654.588749][   T10]      ip6_route_add+0x1c/0x140
[ 2654.588749][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2654.588749][   T10]      addrconf_add_dev+0xe2/0x170
[ 2654.588749][   T10]      inet6_addr_add+0x12f/0xa40
[ 2654.588749][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2654.588749][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2654.588749][   T10]      netlink_rcv_skb+0x130/0x360
[ 2654.588749][   T10]      netlink_unicast+0x449/0x710
[ 2654.588749][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2654.588749][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2654.588749][   T10]      ___sys_sendmsg+0xee/0x170
[ 2654.588749][   T10]      __sys_sendmsg+0xcd/0x170
[ 2654.588749][   T10]      do_syscall_64+0xc6/0x1e0
[ 2654.588749][   T10] 
[ 2654.590729][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2654.590729][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2654.590729][   T10]      ipv6_find_idev+0x102/0x170
[ 2654.590729][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2654.590729][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2654.590729][   T10]      netlink_rcv_skb+0x130/0x360
[ 2654.590729][   T10]      netlink_unicast+0x449/0x710
[ 2654.590729][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2654.590729][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2654.590729][   T10]      ___sys_sendmsg+0xee/0x170
[ 2654.590729][   T10]      __sys_sendmsg+0xcd/0x170
[ 2654.590729][   T10]      do_syscall_64+0xc6/0x1e0
[ 2654.590729][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2654.590729][   T10] 
[ 2654.592274][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2654.592274][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2654.592274][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2654.592274][   T10]      ipv6_find_idev+0x102/0x170
[ 2654.592274][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2654.592274][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2654.592274][   T10]      netlink_rcv_skb+0x130/0x360
[ 2654.592274][   T10]      netlink_unicast+0x449/0x710
[ 2654.592274][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2654.592274][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2654.592274][   T10]      ___sys_sendmsg+0xee/0x170
[ 2654.592274][   T10]      __sys_sendmsg+0xcd/0x170
[ 2654.592274][   T10]      do_syscall_64+0xc6/0x1e0
[ 2654.592274][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2654.592274][   T10] 
[ 2664.848681][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2664.849122][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2664.849122][   T10]      netdev_get_by_index+0x5e/0x80
[ 2664.849122][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2664.849122][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2664.849122][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2664.849122][   T10]      ipv6_add_addr+0x411/0x2000
[ 2664.849122][   T10]      inet6_addr_add+0x30e/0xa40
[ 2664.849122][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2664.849122][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2664.849122][   T10]      netlink_rcv_skb+0x130/0x360
[ 2664.849122][   T10]      netlink_unicast+0x449/0x710
[ 2664.849122][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2664.849122][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2664.849122][   T10]      ___sys_sendmsg+0xee/0x170
[ 2664.849122][   T10]      __sys_sendmsg+0xcd/0x170
[ 2664.849122][   T10]      do_syscall_64+0xc6/0x1e0
[ 2664.849122][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2664.849122][   T10] 
[ 2664.851183][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2664.851183][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2664.851183][   T10]      ipv6_find_idev+0x102/0x170
[ 2664.851183][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2664.851183][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2664.851183][   T10]      netlink_rcv_skb+0x130/0x360
[ 2664.851183][   T10]      netlink_unicast+0x449/0x710
[ 2664.851183][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2664.851183][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2664.851183][   T10]      ___sys_sendmsg+0xee/0x170
[ 2664.851183][   T10]      __sys_sendmsg+0xcd/0x170
[ 2664.851183][   T10]      do_syscall_64+0xc6/0x1e0
[ 2664.851183][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2664.851183][   T10] 
[ 2664.852731][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2664.852731][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2664.852731][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2664.852731][   T10]      ipv6_find_idev+0x102/0x170
[ 2664.852731][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2664.852731][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2664.852731][   T10]      netlink_rcv_skb+0x130/0x360
[ 2664.852731][   T10]      netlink_unicast+0x449/0x710
[ 2664.852731][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2664.852731][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2664.852731][   T10]      ___sys_sendmsg+0xee/0x170
[ 2664.852731][   T10]      __sys_sendmsg+0xcd/0x170
[ 2664.852731][   T10]      do_syscall_64+0xc6/0x1e0
[ 2664.852731][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2664.852731][   T10] 
[ 2664.854422][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2664.854674][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2664.854674][   T10]      netdev_get_by_index+0x5e/0x80
[ 2664.854674][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2664.854674][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2664.854674][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2664.854674][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2664.854674][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2664.854674][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2664.854674][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2664.854674][   T10]      addrconf_dad_begin+0x310/0x670
[ 2664.854674][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2664.854674][   T10]      process_one_work+0x84d/0x18a0
[ 2664.854674][   T10]      worker_thread+0x587/0xd30
[ 2664.854674][   T10]      kthread+0x28a/0x350
[ 2664.854674][   T10]      ret_from_fork+0x31/0x70
[ 2664.854674][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2664.854674][   T10] 
[ 2664.856554][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2664.856554][   T10]      netdev_get_by_index+0x5e/0x80
[ 2664.856554][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2664.856554][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2664.856554][   T10]      ip6_route_add+0x1c/0x140
[ 2664.856554][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2664.856554][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2664.856554][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2664.856554][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2664.856554][   T10]      netlink_rcv_skb+0x130/0x360
[ 2664.856554][   T10]      netlink_unicast+0x449/0x710
[ 2664.856554][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2664.856554][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2664.856554][   T10]      ___sys_sendmsg+0xee/0x170
[ 2664.856554][   T10]      __sys_sendmsg+0xcd/0x170
[ 2664.856554][   T10]      do_syscall_64+0xc6/0x1e0
[ 2664.856554][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2664.856554][   T10] 
[ 2664.858556][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2664.858556][   T10]      netdev_get_by_index+0x5e/0x80
[ 2664.858556][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2664.858556][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2664.858556][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2664.858556][   T10]      ipv6_add_addr+0x411/0x2000
[ 2664.858556][   T10]      inet6_addr_add+0x30e/0xa40
[ 2664.858556][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2664.858556][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2664.858556][   T10]      netlink_rcv_skb+0x130/0x360
[ 2664.858556][   T10]      netlink_unicast+0x449/0x710
[ 2664.858556][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2664.858556][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2664.858556][   T10]      ___sys_sendmsg+0xee/0x170
[ 2664.858556][   T10]      __sys_sendmsg+0xcd/0x170
[ 2664.858556][   T10]      do_syscall_64+0xc6/0x1e0
[ 2664.858556][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2664.858556][   T10] 
[ 2664.860588][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2664.860588][   T10]      netdev_get_by_index+0x5e/0x80
[ 2664.860588][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2664.860588][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2664.860588][   T10]      ip6_route_add+0x1c/0x140
[ 2664.860588][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2664.860588][   T10]      addrconf_add_dev+0xe2/0x170
[ 2664.860588][   T10]      inet6_addr_add+0x12f/0xa40
[ 2664.860588][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2664.860588][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2664.860588][   T10]      netlink_rcv_skb+0x130/0x360
[ 2664.860588][   T10]      netlink_unicast+0x449/0x710
[ 2664.860588][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2664.860588][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2664.860588][   T10]      ___sys_sendmsg+0xee/0x170
[ 2664.860588][   T10]      __sys_sendmsg+0xcd/0x170
[ 2664.860588][   T10]      do_syscall_64+0xc6/0x1e0
[ 2664.860588][   T10] 
[ 2664.862552][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2664.862552][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2664.862552][   T10]      ipv6_find_idev+0x102/0x170
[ 2664.862552][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2664.862552][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2664.862552][   T10]      netlink_rcv_skb+0x130/0x360
[ 2664.862552][   T10]      netlink_unicast+0x449/0x710
[ 2664.862552][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2664.862552][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2664.862552][   T10]      ___sys_sendmsg+0xee/0x170
[ 2664.862552][   T10]      __sys_sendmsg+0xcd/0x170
[ 2664.862552][   T10]      do_syscall_64+0xc6/0x1e0
[ 2664.862552][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2664.862552][   T10] 
[ 2664.864089][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2664.864089][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2664.864089][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2664.864089][   T10]      ipv6_find_idev+0x102/0x170
[ 2664.864089][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2664.864089][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2664.864089][   T10]      netlink_rcv_skb+0x130/0x360
[ 2664.864089][   T10]      netlink_unicast+0x449/0x710
[ 2664.864089][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2664.864089][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2664.864089][   T10]      ___sys_sendmsg+0xee/0x170
[ 2664.864089][   T10]      __sys_sendmsg+0xcd/0x170
[ 2664.864089][   T10]      do_syscall_64+0xc6/0x1e0
[ 2664.864089][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2664.864089][   T10] 
[ 2675.120774][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2675.121230][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2675.121230][   T10]      netdev_get_by_index+0x5e/0x80
[ 2675.121230][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2675.121230][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2675.121230][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2675.121230][   T10]      ipv6_add_addr+0x411/0x2000
[ 2675.121230][   T10]      inet6_addr_add+0x30e/0xa40
[ 2675.121230][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2675.121230][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2675.121230][   T10]      netlink_rcv_skb+0x130/0x360
[ 2675.121230][   T10]      netlink_unicast+0x449/0x710
[ 2675.121230][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2675.121230][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2675.121230][   T10]      ___sys_sendmsg+0xee/0x170
[ 2675.121230][   T10]      __sys_sendmsg+0xcd/0x170
[ 2675.121230][   T10]      do_syscall_64+0xc6/0x1e0
[ 2675.121230][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2675.121230][   T10] 
[ 2675.123254][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2675.123254][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2675.123254][   T10]      ipv6_find_idev+0x102/0x170
[ 2675.123254][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2675.123254][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2675.123254][   T10]      netlink_rcv_skb+0x130/0x360
[ 2675.123254][   T10]      netlink_unicast+0x449/0x710
[ 2675.123254][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2675.123254][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2675.123254][   T10]      ___sys_sendmsg+0xee/0x170
[ 2675.123254][   T10]      __sys_sendmsg+0xcd/0x170
[ 2675.123254][   T10]      do_syscall_64+0xc6/0x1e0
[ 2675.123254][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2675.123254][   T10] 
[ 2675.124800][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2675.124800][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2675.124800][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2675.124800][   T10]      ipv6_find_idev+0x102/0x170
[ 2675.124800][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2675.124800][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2675.124800][   T10]      netlink_rcv_skb+0x130/0x360
[ 2675.124800][   T10]      netlink_unicast+0x449/0x710
[ 2675.124800][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2675.124800][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2675.124800][   T10]      ___sys_sendmsg+0xee/0x170
[ 2675.124800][   T10]      __sys_sendmsg+0xcd/0x170
[ 2675.124800][   T10]      do_syscall_64+0xc6/0x1e0
[ 2675.124800][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2675.124800][   T10] 
[ 2675.126497][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2675.126774][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2675.126774][   T10]      netdev_get_by_index+0x5e/0x80
[ 2675.126774][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2675.126774][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2675.126774][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2675.126774][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2675.126774][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2675.126774][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2675.126774][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2675.126774][   T10]      addrconf_dad_begin+0x310/0x670
[ 2675.126774][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2675.126774][   T10]      process_one_work+0x84d/0x18a0
[ 2675.126774][   T10]      worker_thread+0x587/0xd30
[ 2675.126774][   T10]      kthread+0x28a/0x350
[ 2675.126774][   T10]      ret_from_fork+0x31/0x70
[ 2675.126774][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2675.126774][   T10] 
[ 2675.128655][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2675.128655][   T10]      netdev_get_by_index+0x5e/0x80
[ 2675.128655][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2675.128655][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2675.128655][   T10]      ip6_route_add+0x1c/0x140
[ 2675.128655][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2675.128655][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2675.128655][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2675.128655][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2675.128655][   T10]      netlink_rcv_skb+0x130/0x360
[ 2675.128655][   T10]      netlink_unicast+0x449/0x710
[ 2675.128655][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2675.128655][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2675.128655][   T10]      ___sys_sendmsg+0xee/0x170
[ 2675.128655][   T10]      __sys_sendmsg+0xcd/0x170
[ 2675.128655][   T10]      do_syscall_64+0xc6/0x1e0
[ 2675.128655][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2675.128655][   T10] 
[ 2675.130706][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2675.130706][   T10]      netdev_get_by_index+0x5e/0x80
[ 2675.130706][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2675.130706][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2675.130706][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2675.130706][   T10]      ipv6_add_addr+0x411/0x2000
[ 2675.130706][   T10]      inet6_addr_add+0x30e/0xa40
[ 2675.130706][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2675.130706][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2675.130706][   T10]      netlink_rcv_skb+0x130/0x360
[ 2675.130706][   T10]      netlink_unicast+0x449/0x710
[ 2675.130706][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2675.130706][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2675.130706][   T10]      ___sys_sendmsg+0xee/0x170
[ 2675.130706][   T10]      __sys_sendmsg+0xcd/0x170
[ 2675.130706][   T10]      do_syscall_64+0xc6/0x1e0
[ 2675.130706][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2675.130706][   T10] 
[ 2675.132723][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2675.132723][   T10]      netdev_get_by_index+0x5e/0x80
[ 2675.132723][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2675.132723][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2675.132723][   T10]      ip6_route_add+0x1c/0x140
[ 2675.132723][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2675.132723][   T10]      addrconf_add_dev+0xe2/0x170
[ 2675.132723][   T10]      inet6_addr_add+0x12f/0xa40
[ 2675.132723][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2675.132723][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2675.132723][   T10]      netlink_rcv_skb+0x130/0x360
[ 2675.132723][   T10]      netlink_unicast+0x449/0x710
[ 2675.132723][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2675.132723][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2675.132723][   T10]      ___sys_sendmsg+0xee/0x170
[ 2675.132723][   T10]      __sys_sendmsg+0xcd/0x170
[ 2675.132723][   T10]      do_syscall_64+0xc6/0x1e0
[ 2675.132723][   T10] 
[ 2675.134706][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2675.134706][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2675.134706][   T10]      ipv6_find_idev+0x102/0x170
[ 2675.134706][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2675.134706][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2675.134706][   T10]      netlink_rcv_skb+0x130/0x360
[ 2675.134706][   T10]      netlink_unicast+0x449/0x710
[ 2675.134706][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2675.134706][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2675.134706][   T10]      ___sys_sendmsg+0xee/0x170
[ 2675.134706][   T10]      __sys_sendmsg+0xcd/0x170
[ 2675.134706][   T10]      do_syscall_64+0xc6/0x1e0
[ 2675.134706][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2675.134706][   T10] 
[ 2675.136287][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2675.136287][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2675.136287][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2675.136287][   T10]      ipv6_find_idev+0x102/0x170
[ 2675.136287][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2675.136287][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2675.136287][   T10]      netlink_rcv_skb+0x130/0x360
[ 2675.136287][   T10]      netlink_unicast+0x449/0x710
[ 2675.136287][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2675.136287][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2675.136287][   T10]      ___sys_sendmsg+0xee/0x170
[ 2675.136287][   T10]      __sys_sendmsg+0xcd/0x170
[ 2675.136287][   T10]      do_syscall_64+0xc6/0x1e0
[ 2675.136287][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2675.136287][   T10] 
[ 2685.336746][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2685.337141][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2685.337141][   T10]      netdev_get_by_index+0x5e/0x80
[ 2685.337141][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2685.337141][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2685.337141][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2685.337141][   T10]      ipv6_add_addr+0x411/0x2000
[ 2685.337141][   T10]      inet6_addr_add+0x30e/0xa40
[ 2685.337141][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2685.337141][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2685.337141][   T10]      netlink_rcv_skb+0x130/0x360
[ 2685.337141][   T10]      netlink_unicast+0x449/0x710
[ 2685.337141][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2685.337141][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2685.337141][   T10]      ___sys_sendmsg+0xee/0x170
[ 2685.337141][   T10]      __sys_sendmsg+0xcd/0x170
[ 2685.337141][   T10]      do_syscall_64+0xc6/0x1e0
[ 2685.337141][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2685.337141][   T10] 
[ 2685.339205][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2685.339205][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2685.339205][   T10]      ipv6_find_idev+0x102/0x170
[ 2685.339205][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2685.339205][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2685.339205][   T10]      netlink_rcv_skb+0x130/0x360
[ 2685.339205][   T10]      netlink_unicast+0x449/0x710
[ 2685.339205][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2685.339205][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2685.339205][   T10]      ___sys_sendmsg+0xee/0x170
[ 2685.339205][   T10]      __sys_sendmsg+0xcd/0x170
[ 2685.339205][   T10]      do_syscall_64+0xc6/0x1e0
[ 2685.339205][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2685.339205][   T10] 
[ 2685.340756][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2685.340756][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2685.340756][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2685.340756][   T10]      ipv6_find_idev+0x102/0x170
[ 2685.340756][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2685.340756][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2685.340756][   T10]      netlink_rcv_skb+0x130/0x360
[ 2685.340756][   T10]      netlink_unicast+0x449/0x710
[ 2685.340756][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2685.340756][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2685.340756][   T10]      ___sys_sendmsg+0xee/0x170
[ 2685.340756][   T10]      __sys_sendmsg+0xcd/0x170
[ 2685.340756][   T10]      do_syscall_64+0xc6/0x1e0
[ 2685.340756][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2685.340756][   T10] 
[ 2685.342438][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2685.342719][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2685.342719][   T10]      netdev_get_by_index+0x5e/0x80
[ 2685.342719][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2685.342719][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2685.342719][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2685.342719][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2685.342719][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2685.342719][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2685.342719][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2685.342719][   T10]      addrconf_dad_begin+0x310/0x670
[ 2685.342719][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2685.342719][   T10]      process_one_work+0x84d/0x18a0
[ 2685.342719][   T10]      worker_thread+0x587/0xd30
[ 2685.342719][   T10]      kthread+0x28a/0x350
[ 2685.342719][   T10]      ret_from_fork+0x31/0x70
[ 2685.342719][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2685.342719][   T10] 
[ 2685.344589][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2685.344589][   T10]      netdev_get_by_index+0x5e/0x80
[ 2685.344589][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2685.344589][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2685.344589][   T10]      ip6_route_add+0x1c/0x140
[ 2685.344589][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2685.344589][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2685.344589][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2685.344589][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2685.344589][   T10]      netlink_rcv_skb+0x130/0x360
[ 2685.344589][   T10]      netlink_unicast+0x449/0x710
[ 2685.344589][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2685.344589][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2685.344589][   T10]      ___sys_sendmsg+0xee/0x170
[ 2685.344589][   T10]      __sys_sendmsg+0xcd/0x170
[ 2685.344589][   T10]      do_syscall_64+0xc6/0x1e0
[ 2685.344589][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2685.344589][   T10] 
[ 2685.346578][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2685.346578][   T10]      netdev_get_by_index+0x5e/0x80
[ 2685.346578][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2685.346578][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2685.346578][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2685.346578][   T10]      ipv6_add_addr+0x411/0x2000
[ 2685.346578][   T10]      inet6_addr_add+0x30e/0xa40
[ 2685.346578][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2685.346578][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2685.346578][   T10]      netlink_rcv_skb+0x130/0x360
[ 2685.346578][   T10]      netlink_unicast+0x449/0x710
[ 2685.346578][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2685.346578][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2685.346578][   T10]      ___sys_sendmsg+0xee/0x170
[ 2685.346578][   T10]      __sys_sendmsg+0xcd/0x170
[ 2685.346578][   T10]      do_syscall_64+0xc6/0x1e0
[ 2685.346578][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2685.346578][   T10] 
[ 2685.348574][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2685.348574][   T10]      netdev_get_by_index+0x5e/0x80
[ 2685.348574][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2685.348574][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2685.348574][   T10]      ip6_route_add+0x1c/0x140
[ 2685.348574][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2685.348574][   T10]      addrconf_add_dev+0xe2/0x170
[ 2685.348574][   T10]      inet6_addr_add+0x12f/0xa40
[ 2685.348574][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2685.348574][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2685.348574][   T10]      netlink_rcv_skb+0x130/0x360
[ 2685.348574][   T10]      netlink_unicast+0x449/0x710
[ 2685.348574][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2685.348574][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2685.348574][   T10]      ___sys_sendmsg+0xee/0x170
[ 2685.348574][   T10]      __sys_sendmsg+0xcd/0x170
[ 2685.348574][   T10]      do_syscall_64+0xc6/0x1e0
[ 2685.348574][   T10] 
[ 2685.350539][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2685.350539][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2685.350539][   T10]      ipv6_find_idev+0x102/0x170
[ 2685.350539][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2685.350539][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2685.350539][   T10]      netlink_rcv_skb+0x130/0x360
[ 2685.350539][   T10]      netlink_unicast+0x449/0x710
[ 2685.350539][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2685.350539][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2685.350539][   T10]      ___sys_sendmsg+0xee/0x170
[ 2685.350539][   T10]      __sys_sendmsg+0xcd/0x170
[ 2685.350539][   T10]      do_syscall_64+0xc6/0x1e0
[ 2685.350539][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2685.350539][   T10] 
[ 2685.352070][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2685.352070][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2685.352070][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2685.352070][   T10]      ipv6_find_idev+0x102/0x170
[ 2685.352070][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2685.352070][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2685.352070][   T10]      netlink_rcv_skb+0x130/0x360
[ 2685.352070][   T10]      netlink_unicast+0x449/0x710
[ 2685.352070][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2685.352070][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2685.352070][   T10]      ___sys_sendmsg+0xee/0x170
[ 2685.352070][   T10]      __sys_sendmsg+0xcd/0x170
[ 2685.352070][   T10]      do_syscall_64+0xc6/0x1e0
[ 2685.352070][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2685.352070][   T10] 
[ 2695.592745][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2695.593130][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2695.593130][   T10]      netdev_get_by_index+0x5e/0x80
[ 2695.593130][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2695.593130][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2695.593130][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2695.593130][   T10]      ipv6_add_addr+0x411/0x2000
[ 2695.593130][   T10]      inet6_addr_add+0x30e/0xa40
[ 2695.593130][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2695.593130][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2695.593130][   T10]      netlink_rcv_skb+0x130/0x360
[ 2695.593130][   T10]      netlink_unicast+0x449/0x710
[ 2695.593130][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2695.593130][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2695.593130][   T10]      ___sys_sendmsg+0xee/0x170
[ 2695.593130][   T10]      __sys_sendmsg+0xcd/0x170
[ 2695.593130][   T10]      do_syscall_64+0xc6/0x1e0
[ 2695.593130][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2695.593130][   T10] 
[ 2695.595148][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2695.595148][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2695.595148][   T10]      ipv6_find_idev+0x102/0x170
[ 2695.595148][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2695.595148][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2695.595148][   T10]      netlink_rcv_skb+0x130/0x360
[ 2695.595148][   T10]      netlink_unicast+0x449/0x710
[ 2695.595148][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2695.595148][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2695.595148][   T10]      ___sys_sendmsg+0xee/0x170
[ 2695.595148][   T10]      __sys_sendmsg+0xcd/0x170
[ 2695.595148][   T10]      do_syscall_64+0xc6/0x1e0
[ 2695.595148][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2695.595148][   T10] 
[ 2695.596695][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2695.596695][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2695.596695][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2695.596695][   T10]      ipv6_find_idev+0x102/0x170
[ 2695.596695][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2695.596695][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2695.596695][   T10]      netlink_rcv_skb+0x130/0x360
[ 2695.596695][   T10]      netlink_unicast+0x449/0x710
[ 2695.596695][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2695.596695][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2695.596695][   T10]      ___sys_sendmsg+0xee/0x170
[ 2695.596695][   T10]      __sys_sendmsg+0xcd/0x170
[ 2695.596695][   T10]      do_syscall_64+0xc6/0x1e0
[ 2695.596695][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2695.596695][   T10] 
[ 2695.598389][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2695.598654][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2695.598654][   T10]      netdev_get_by_index+0x5e/0x80
[ 2695.598654][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2695.598654][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2695.598654][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2695.598654][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2695.598654][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2695.598654][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2695.598654][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2695.598654][   T10]      addrconf_dad_begin+0x310/0x670
[ 2695.598654][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2695.598654][   T10]      process_one_work+0x84d/0x18a0
[ 2695.598654][   T10]      worker_thread+0x587/0xd30
[ 2695.598654][   T10]      kthread+0x28a/0x350
[ 2695.598654][   T10]      ret_from_fork+0x31/0x70
[ 2695.598654][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2695.598654][   T10] 
[ 2695.600571][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2695.600571][   T10]      netdev_get_by_index+0x5e/0x80
[ 2695.600571][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2695.600571][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2695.600571][   T10]      ip6_route_add+0x1c/0x140
[ 2695.600571][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2695.600571][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2695.600571][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2695.600571][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2695.600571][   T10]      netlink_rcv_skb+0x130/0x360
[ 2695.600571][   T10]      netlink_unicast+0x449/0x710
[ 2695.600571][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2695.600571][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2695.600571][   T10]      ___sys_sendmsg+0xee/0x170
[ 2695.600571][   T10]      __sys_sendmsg+0xcd/0x170
[ 2695.600571][   T10]      do_syscall_64+0xc6/0x1e0
[ 2695.600571][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2695.600571][   T10] 
[ 2695.602613][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2695.602613][   T10]      netdev_get_by_index+0x5e/0x80
[ 2695.602613][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2695.602613][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2695.602613][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2695.602613][   T10]      ipv6_add_addr+0x411/0x2000
[ 2695.602613][   T10]      inet6_addr_add+0x30e/0xa40
[ 2695.602613][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2695.602613][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2695.602613][   T10]      netlink_rcv_skb+0x130/0x360
[ 2695.602613][   T10]      netlink_unicast+0x449/0x710
[ 2695.602613][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2695.602613][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2695.602613][   T10]      ___sys_sendmsg+0xee/0x170
[ 2695.602613][   T10]      __sys_sendmsg+0xcd/0x170
[ 2695.602613][   T10]      do_syscall_64+0xc6/0x1e0
[ 2695.602613][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2695.602613][   T10] 
[ 2695.605905][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2695.605905][   T10]      netdev_get_by_index+0x5e/0x80
[ 2695.605905][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2695.605905][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2695.605905][   T10]      ip6_route_add+0x1c/0x140
[ 2695.605905][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2695.605905][   T10]      addrconf_add_dev+0xe2/0x170
[ 2695.605905][   T10]      inet6_addr_add+0x12f/0xa40
[ 2695.605905][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2695.605905][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2695.605905][   T10]      netlink_rcv_skb+0x130/0x360
[ 2695.605905][   T10]      netlink_unicast+0x449/0x710
[ 2695.605905][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2695.605905][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2695.605905][   T10]      ___sys_sendmsg+0xee/0x170
[ 2695.605905][   T10]      __sys_sendmsg+0xcd/0x170
[ 2695.605905][   T10]      do_syscall_64+0xc6/0x1e0
[ 2695.605905][   T10] 
[ 2695.609108][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2695.609108][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2695.609108][   T10]      ipv6_find_idev+0x102/0x170
[ 2695.609108][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2695.609108][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2695.609108][   T10]      netlink_rcv_skb+0x130/0x360
[ 2695.609108][   T10]      netlink_unicast+0x449/0x710
[ 2695.609108][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2695.609108][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2695.609108][   T10]      ___sys_sendmsg+0xee/0x170
[ 2695.609108][   T10]      __sys_sendmsg+0xcd/0x170
[ 2695.609108][   T10]      do_syscall_64+0xc6/0x1e0
[ 2695.609108][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2695.609108][   T10] 
[ 2695.611624][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2695.611624][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2695.611624][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2695.611624][   T10]      ipv6_find_idev+0x102/0x170
[ 2695.611624][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2695.611624][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2695.611624][   T10]      netlink_rcv_skb+0x130/0x360
[ 2695.611624][   T10]      netlink_unicast+0x449/0x710
[ 2695.611624][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2695.611624][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2695.611624][   T10]      ___sys_sendmsg+0xee/0x170
[ 2695.611624][   T10]      __sys_sendmsg+0xcd/0x170
[ 2695.611624][   T10]      do_syscall_64+0xc6/0x1e0
[ 2695.611624][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2695.611624][   T10] 
[ 2705.856763][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2705.857154][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2705.857154][   T10]      netdev_get_by_index+0x5e/0x80
[ 2705.857154][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2705.857154][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2705.857154][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2705.857154][   T10]      ipv6_add_addr+0x411/0x2000
[ 2705.857154][   T10]      inet6_addr_add+0x30e/0xa40
[ 2705.857154][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2705.857154][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2705.857154][   T10]      netlink_rcv_skb+0x130/0x360
[ 2705.857154][   T10]      netlink_unicast+0x449/0x710
[ 2705.857154][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2705.857154][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2705.857154][   T10]      ___sys_sendmsg+0xee/0x170
[ 2705.857154][   T10]      __sys_sendmsg+0xcd/0x170
[ 2705.857154][   T10]      do_syscall_64+0xc6/0x1e0
[ 2705.857154][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2705.857154][   T10] 
[ 2705.859563][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2705.859563][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2705.859563][   T10]      ipv6_find_idev+0x102/0x170
[ 2705.859563][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2705.859563][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2705.859563][   T10]      netlink_rcv_skb+0x130/0x360
[ 2705.859563][   T10]      netlink_unicast+0x449/0x710
[ 2705.859563][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2705.859563][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2705.859563][   T10]      ___sys_sendmsg+0xee/0x170
[ 2705.859563][   T10]      __sys_sendmsg+0xcd/0x170
[ 2705.859563][   T10]      do_syscall_64+0xc6/0x1e0
[ 2705.859563][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2705.859563][   T10] 
[ 2705.861461][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2705.861461][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2705.861461][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2705.861461][   T10]      ipv6_find_idev+0x102/0x170
[ 2705.861461][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2705.861461][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2705.861461][   T10]      netlink_rcv_skb+0x130/0x360
[ 2705.861461][   T10]      netlink_unicast+0x449/0x710
[ 2705.861461][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2705.861461][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2705.861461][   T10]      ___sys_sendmsg+0xee/0x170
[ 2705.861461][   T10]      __sys_sendmsg+0xcd/0x170
[ 2705.861461][   T10]      do_syscall_64+0xc6/0x1e0
[ 2705.861461][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2705.861461][   T10] 
[ 2705.863517][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2705.863840][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2705.863840][   T10]      netdev_get_by_index+0x5e/0x80
[ 2705.863840][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2705.863840][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2705.863840][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2705.863840][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2705.863840][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2705.863840][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2705.863840][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2705.863840][   T10]      addrconf_dad_begin+0x310/0x670
[ 2705.863840][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2705.863840][   T10]      process_one_work+0x84d/0x18a0
[ 2705.863840][   T10]      worker_thread+0x587/0xd30
[ 2705.863840][   T10]      kthread+0x28a/0x350
[ 2705.863840][   T10]      ret_from_fork+0x31/0x70
[ 2705.863840][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2705.863840][   T10] 
[ 2705.866132][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2705.866132][   T10]      netdev_get_by_index+0x5e/0x80
[ 2705.866132][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2705.866132][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2705.866132][   T10]      ip6_route_add+0x1c/0x140
[ 2705.866132][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2705.866132][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2705.866132][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2705.866132][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2705.866132][   T10]      netlink_rcv_skb+0x130/0x360
[ 2705.866132][   T10]      netlink_unicast+0x449/0x710
[ 2705.866132][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2705.866132][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2705.866132][   T10]      ___sys_sendmsg+0xee/0x170
[ 2705.866132][   T10]      __sys_sendmsg+0xcd/0x170
[ 2705.866132][   T10]      do_syscall_64+0xc6/0x1e0
[ 2705.866132][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2705.866132][   T10] 
[ 2705.868554][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2705.868554][   T10]      netdev_get_by_index+0x5e/0x80
[ 2705.868554][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2705.868554][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2705.868554][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2705.868554][   T10]      ipv6_add_addr+0x411/0x2000
[ 2705.868554][   T10]      inet6_addr_add+0x30e/0xa40
[ 2705.868554][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2705.868554][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2705.868554][   T10]      netlink_rcv_skb+0x130/0x360
[ 2705.868554][   T10]      netlink_unicast+0x449/0x710
[ 2705.868554][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2705.868554][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2705.868554][   T10]      ___sys_sendmsg+0xee/0x170
[ 2705.868554][   T10]      __sys_sendmsg+0xcd/0x170
[ 2705.868554][   T10]      do_syscall_64+0xc6/0x1e0
[ 2705.868554][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2705.868554][   T10] 
[ 2705.870983][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2705.870983][   T10]      netdev_get_by_index+0x5e/0x80
[ 2705.870983][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2705.870983][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2705.870983][   T10]      ip6_route_add+0x1c/0x140
[ 2705.870983][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2705.870983][   T10]      addrconf_add_dev+0xe2/0x170
[ 2705.870983][   T10]      inet6_addr_add+0x12f/0xa40
[ 2705.870983][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2705.870983][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2705.870983][   T10]      netlink_rcv_skb+0x130/0x360
[ 2705.870983][   T10]      netlink_unicast+0x449/0x710
[ 2705.870983][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2705.870983][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2705.870983][   T10]      ___sys_sendmsg+0xee/0x170
[ 2705.870983][   T10]      __sys_sendmsg+0xcd/0x170
[ 2705.870983][   T10]      do_syscall_64+0xc6/0x1e0
[ 2705.870983][   T10] 
[ 2705.873352][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2705.873352][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2705.873352][   T10]      ipv6_find_idev+0x102/0x170
[ 2705.873352][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2705.873352][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2705.873352][   T10]      netlink_rcv_skb+0x130/0x360
[ 2705.873352][   T10]      netlink_unicast+0x449/0x710
[ 2705.873352][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2705.873352][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2705.873352][   T10]      ___sys_sendmsg+0xee/0x170
[ 2705.873352][   T10]      __sys_sendmsg+0xcd/0x170
[ 2705.873352][   T10]      do_syscall_64+0xc6/0x1e0
[ 2705.873352][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2705.873352][   T10] 
[ 2705.875229][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2705.875229][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2705.875229][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2705.875229][   T10]      ipv6_find_idev+0x102/0x170
[ 2705.875229][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2705.875229][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2705.875229][   T10]      netlink_rcv_skb+0x130/0x360
[ 2705.875229][   T10]      netlink_unicast+0x449/0x710
[ 2705.875229][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2705.875229][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2705.875229][   T10]      ___sys_sendmsg+0xee/0x170
[ 2705.875229][   T10]      __sys_sendmsg+0xcd/0x170
[ 2705.875229][   T10]      do_syscall_64+0xc6/0x1e0
[ 2705.875229][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2705.875229][   T10] 
[ 2716.112778][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2716.113247][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2716.113247][   T10]      netdev_get_by_index+0x5e/0x80
[ 2716.113247][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2716.113247][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2716.113247][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2716.113247][   T10]      ipv6_add_addr+0x411/0x2000
[ 2716.113247][   T10]      inet6_addr_add+0x30e/0xa40
[ 2716.113247][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2716.113247][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2716.113247][   T10]      netlink_rcv_skb+0x130/0x360
[ 2716.113247][   T10]      netlink_unicast+0x449/0x710
[ 2716.113247][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2716.113247][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2716.113247][   T10]      ___sys_sendmsg+0xee/0x170
[ 2716.113247][   T10]      __sys_sendmsg+0xcd/0x170
[ 2716.113247][   T10]      do_syscall_64+0xc6/0x1e0
[ 2716.113247][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2716.113247][   T10] 
[ 2716.115292][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2716.115292][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2716.115292][   T10]      ipv6_find_idev+0x102/0x170
[ 2716.115292][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2716.115292][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2716.115292][   T10]      netlink_rcv_skb+0x130/0x360
[ 2716.115292][   T10]      netlink_unicast+0x449/0x710
[ 2716.115292][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2716.115292][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2716.115292][   T10]      ___sys_sendmsg+0xee/0x170
[ 2716.115292][   T10]      __sys_sendmsg+0xcd/0x170
[ 2716.115292][   T10]      do_syscall_64+0xc6/0x1e0
[ 2716.115292][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2716.115292][   T10] 
[ 2716.116860][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2716.116860][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2716.116860][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2716.116860][   T10]      ipv6_find_idev+0x102/0x170
[ 2716.116860][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2716.116860][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2716.116860][   T10]      netlink_rcv_skb+0x130/0x360
[ 2716.116860][   T10]      netlink_unicast+0x449/0x710
[ 2716.116860][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2716.116860][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2716.116860][   T10]      ___sys_sendmsg+0xee/0x170
[ 2716.116860][   T10]      __sys_sendmsg+0xcd/0x170
[ 2716.116860][   T10]      do_syscall_64+0xc6/0x1e0
[ 2716.116860][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2716.116860][   T10] 
[ 2716.118568][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2716.118870][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2716.118870][   T10]      netdev_get_by_index+0x5e/0x80
[ 2716.118870][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2716.118870][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2716.118870][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2716.118870][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2716.118870][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2716.118870][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2716.118870][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2716.118870][   T10]      addrconf_dad_begin+0x310/0x670
[ 2716.118870][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2716.118870][   T10]      process_one_work+0x84d/0x18a0
[ 2716.118870][   T10]      worker_thread+0x587/0xd30
[ 2716.118870][   T10]      kthread+0x28a/0x350
[ 2716.118870][   T10]      ret_from_fork+0x31/0x70
[ 2716.118870][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2716.118870][   T10] 
[ 2716.120772][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2716.120772][   T10]      netdev_get_by_index+0x5e/0x80
[ 2716.120772][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2716.120772][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2716.120772][   T10]      ip6_route_add+0x1c/0x140
[ 2716.120772][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2716.120772][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2716.120772][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2716.120772][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2716.120772][   T10]      netlink_rcv_skb+0x130/0x360
[ 2716.120772][   T10]      netlink_unicast+0x449/0x710
[ 2716.120772][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2716.120772][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2716.120772][   T10]      ___sys_sendmsg+0xee/0x170
[ 2716.120772][   T10]      __sys_sendmsg+0xcd/0x170
[ 2716.120772][   T10]      do_syscall_64+0xc6/0x1e0
[ 2716.120772][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2716.120772][   T10] 
[ 2716.122786][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2716.122786][   T10]      netdev_get_by_index+0x5e/0x80
[ 2716.122786][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2716.122786][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2716.122786][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2716.122786][   T10]      ipv6_add_addr+0x411/0x2000
[ 2716.122786][   T10]      inet6_addr_add+0x30e/0xa40
[ 2716.122786][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2716.122786][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2716.122786][   T10]      netlink_rcv_skb+0x130/0x360
[ 2716.122786][   T10]      netlink_unicast+0x449/0x710
[ 2716.122786][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2716.122786][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2716.122786][   T10]      ___sys_sendmsg+0xee/0x170
[ 2716.122786][   T10]      __sys_sendmsg+0xcd/0x170
[ 2716.122786][   T10]      do_syscall_64+0xc6/0x1e0
[ 2716.122786][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2716.122786][   T10] 
[ 2716.124798][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2716.124798][   T10]      netdev_get_by_index+0x5e/0x80
[ 2716.124798][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2716.124798][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2716.124798][   T10]      ip6_route_add+0x1c/0x140
[ 2716.124798][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2716.124798][   T10]      addrconf_add_dev+0xe2/0x170
[ 2716.124798][   T10]      inet6_addr_add+0x12f/0xa40
[ 2716.124798][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2716.124798][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2716.124798][   T10]      netlink_rcv_skb+0x130/0x360
[ 2716.124798][   T10]      netlink_unicast+0x449/0x710
[ 2716.124798][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2716.124798][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2716.124798][   T10]      ___sys_sendmsg+0xee/0x170
[ 2716.124798][   T10]      __sys_sendmsg+0xcd/0x170
[ 2716.124798][   T10]      do_syscall_64+0xc6/0x1e0
[ 2716.124798][   T10] 
[ 2716.126773][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2716.126773][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2716.126773][   T10]      ipv6_find_idev+0x102/0x170
[ 2716.126773][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2716.126773][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2716.126773][   T10]      netlink_rcv_skb+0x130/0x360
[ 2716.126773][   T10]      netlink_unicast+0x449/0x710
[ 2716.126773][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2716.126773][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2716.126773][   T10]      ___sys_sendmsg+0xee/0x170
[ 2716.126773][   T10]      __sys_sendmsg+0xcd/0x170
[ 2716.126773][   T10]      do_syscall_64+0xc6/0x1e0
[ 2716.126773][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2716.126773][   T10] 
[ 2716.128325][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2716.128325][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2716.128325][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2716.128325][   T10]      ipv6_find_idev+0x102/0x170
[ 2716.128325][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2716.128325][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2716.128325][   T10]      netlink_rcv_skb+0x130/0x360
[ 2716.128325][   T10]      netlink_unicast+0x449/0x710
[ 2716.128325][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2716.128325][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2716.128325][   T10]      ___sys_sendmsg+0xee/0x170
[ 2716.128325][   T10]      __sys_sendmsg+0xcd/0x170
[ 2716.128325][   T10]      do_syscall_64+0xc6/0x1e0
[ 2716.128325][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2716.128325][   T10] 
[ 2726.368747][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2726.369134][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2726.369134][   T10]      netdev_get_by_index+0x5e/0x80
[ 2726.369134][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2726.369134][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2726.369134][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2726.369134][   T10]      ipv6_add_addr+0x411/0x2000
[ 2726.369134][   T10]      inet6_addr_add+0x30e/0xa40
[ 2726.369134][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2726.369134][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2726.369134][   T10]      netlink_rcv_skb+0x130/0x360
[ 2726.369134][   T10]      netlink_unicast+0x449/0x710
[ 2726.369134][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2726.369134][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2726.369134][   T10]      ___sys_sendmsg+0xee/0x170
[ 2726.369134][   T10]      __sys_sendmsg+0xcd/0x170
[ 2726.369134][   T10]      do_syscall_64+0xc6/0x1e0
[ 2726.369134][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2726.369134][   T10] 
[ 2726.371213][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2726.371213][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2726.371213][   T10]      ipv6_find_idev+0x102/0x170
[ 2726.371213][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2726.371213][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2726.371213][   T10]      netlink_rcv_skb+0x130/0x360
[ 2726.371213][   T10]      netlink_unicast+0x449/0x710
[ 2726.371213][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2726.371213][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2726.371213][   T10]      ___sys_sendmsg+0xee/0x170
[ 2726.371213][   T10]      __sys_sendmsg+0xcd/0x170
[ 2726.371213][   T10]      do_syscall_64+0xc6/0x1e0
[ 2726.371213][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2726.371213][   T10] 
[ 2726.372783][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2726.372783][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2726.372783][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2726.372783][   T10]      ipv6_find_idev+0x102/0x170
[ 2726.372783][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2726.372783][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2726.372783][   T10]      netlink_rcv_skb+0x130/0x360
[ 2726.372783][   T10]      netlink_unicast+0x449/0x710
[ 2726.372783][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2726.372783][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2726.372783][   T10]      ___sys_sendmsg+0xee/0x170
[ 2726.372783][   T10]      __sys_sendmsg+0xcd/0x170
[ 2726.372783][   T10]      do_syscall_64+0xc6/0x1e0
[ 2726.372783][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2726.372783][   T10] 
[ 2726.374485][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2726.374760][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2726.374760][   T10]      netdev_get_by_index+0x5e/0x80
[ 2726.374760][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2726.374760][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2726.374760][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2726.374760][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2726.374760][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2726.374760][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2726.374760][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2726.374760][   T10]      addrconf_dad_begin+0x310/0x670
[ 2726.374760][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2726.374760][   T10]      process_one_work+0x84d/0x18a0
[ 2726.374760][   T10]      worker_thread+0x587/0xd30
[ 2726.374760][   T10]      kthread+0x28a/0x350
[ 2726.374760][   T10]      ret_from_fork+0x31/0x70
[ 2726.374760][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2726.374760][   T10] 
[ 2726.376672][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2726.376672][   T10]      netdev_get_by_index+0x5e/0x80
[ 2726.376672][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2726.376672][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2726.376672][   T10]      ip6_route_add+0x1c/0x140
[ 2726.376672][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2726.376672][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2726.376672][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2726.376672][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2726.376672][   T10]      netlink_rcv_skb+0x130/0x360
[ 2726.376672][   T10]      netlink_unicast+0x449/0x710
[ 2726.376672][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2726.376672][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2726.376672][   T10]      ___sys_sendmsg+0xee/0x170
[ 2726.376672][   T10]      __sys_sendmsg+0xcd/0x170
[ 2726.376672][   T10]      do_syscall_64+0xc6/0x1e0
[ 2726.376672][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2726.376672][   T10] 
[ 2726.378693][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2726.378693][   T10]      netdev_get_by_index+0x5e/0x80
[ 2726.378693][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2726.378693][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2726.378693][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2726.378693][   T10]      ipv6_add_addr+0x411/0x2000
[ 2726.378693][   T10]      inet6_addr_add+0x30e/0xa40
[ 2726.378693][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2726.378693][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2726.378693][   T10]      netlink_rcv_skb+0x130/0x360
[ 2726.378693][   T10]      netlink_unicast+0x449/0x710
[ 2726.378693][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2726.378693][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2726.378693][   T10]      ___sys_sendmsg+0xee/0x170
[ 2726.378693][   T10]      __sys_sendmsg+0xcd/0x170
[ 2726.378693][   T10]      do_syscall_64+0xc6/0x1e0
[ 2726.378693][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2726.378693][   T10] 
[ 2726.380707][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2726.380707][   T10]      netdev_get_by_index+0x5e/0x80
[ 2726.380707][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2726.380707][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2726.380707][   T10]      ip6_route_add+0x1c/0x140
[ 2726.380707][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2726.380707][   T10]      addrconf_add_dev+0xe2/0x170
[ 2726.380707][   T10]      inet6_addr_add+0x12f/0xa40
[ 2726.380707][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2726.380707][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2726.380707][   T10]      netlink_rcv_skb+0x130/0x360
[ 2726.380707][   T10]      netlink_unicast+0x449/0x710
[ 2726.380707][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2726.380707][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2726.380707][   T10]      ___sys_sendmsg+0xee/0x170
[ 2726.380707][   T10]      __sys_sendmsg+0xcd/0x170
[ 2726.380707][   T10]      do_syscall_64+0xc6/0x1e0
[ 2726.380707][   T10] 
[ 2726.382679][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2726.382679][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2726.382679][   T10]      ipv6_find_idev+0x102/0x170
[ 2726.382679][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2726.382679][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2726.382679][   T10]      netlink_rcv_skb+0x130/0x360
[ 2726.382679][   T10]      netlink_unicast+0x449/0x710
[ 2726.382679][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2726.382679][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2726.382679][   T10]      ___sys_sendmsg+0xee/0x170
[ 2726.382679][   T10]      __sys_sendmsg+0xcd/0x170
[ 2726.382679][   T10]      do_syscall_64+0xc6/0x1e0
[ 2726.382679][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2726.382679][   T10] 
[ 2726.384227][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2726.384227][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2726.384227][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2726.384227][   T10]      ipv6_find_idev+0x102/0x170
[ 2726.384227][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2726.384227][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2726.384227][   T10]      netlink_rcv_skb+0x130/0x360
[ 2726.384227][   T10]      netlink_unicast+0x449/0x710
[ 2726.384227][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2726.384227][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2726.384227][   T10]      ___sys_sendmsg+0xee/0x170
[ 2726.384227][   T10]      __sys_sendmsg+0xcd/0x170
[ 2726.384227][   T10]      do_syscall_64+0xc6/0x1e0
[ 2726.384227][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2726.384227][   T10] 
[ 2736.624749][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2736.625195][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2736.625195][   T10]      netdev_get_by_index+0x5e/0x80
[ 2736.625195][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2736.625195][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2736.625195][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2736.625195][   T10]      ipv6_add_addr+0x411/0x2000
[ 2736.625195][   T10]      inet6_addr_add+0x30e/0xa40
[ 2736.625195][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2736.625195][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2736.625195][   T10]      netlink_rcv_skb+0x130/0x360
[ 2736.625195][   T10]      netlink_unicast+0x449/0x710
[ 2736.625195][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2736.625195][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2736.625195][   T10]      ___sys_sendmsg+0xee/0x170
[ 2736.625195][   T10]      __sys_sendmsg+0xcd/0x170
[ 2736.625195][   T10]      do_syscall_64+0xc6/0x1e0
[ 2736.625195][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2736.625195][   T10] 
[ 2736.627267][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2736.627267][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2736.627267][   T10]      ipv6_find_idev+0x102/0x170
[ 2736.627267][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2736.627267][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2736.627267][   T10]      netlink_rcv_skb+0x130/0x360
[ 2736.627267][   T10]      netlink_unicast+0x449/0x710
[ 2736.627267][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2736.627267][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2736.627267][   T10]      ___sys_sendmsg+0xee/0x170
[ 2736.627267][   T10]      __sys_sendmsg+0xcd/0x170
[ 2736.627267][   T10]      do_syscall_64+0xc6/0x1e0
[ 2736.627267][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2736.627267][   T10] 
[ 2736.628830][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2736.628830][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2736.628830][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2736.628830][   T10]      ipv6_find_idev+0x102/0x170
[ 2736.628830][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2736.628830][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2736.628830][   T10]      netlink_rcv_skb+0x130/0x360
[ 2736.628830][   T10]      netlink_unicast+0x449/0x710
[ 2736.628830][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2736.628830][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2736.628830][   T10]      ___sys_sendmsg+0xee/0x170
[ 2736.628830][   T10]      __sys_sendmsg+0xcd/0x170
[ 2736.628830][   T10]      do_syscall_64+0xc6/0x1e0
[ 2736.628830][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2736.628830][   T10] 
[ 2736.630545][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2736.630820][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2736.630820][   T10]      netdev_get_by_index+0x5e/0x80
[ 2736.630820][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2736.630820][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2736.630820][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2736.630820][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2736.630820][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2736.630820][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2736.630820][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2736.630820][   T10]      addrconf_dad_begin+0x310/0x670
[ 2736.630820][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2736.630820][   T10]      process_one_work+0x84d/0x18a0
[ 2736.630820][   T10]      worker_thread+0x587/0xd30
[ 2736.630820][   T10]      kthread+0x28a/0x350
[ 2736.630820][   T10]      ret_from_fork+0x31/0x70
[ 2736.630820][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2736.630820][   T10] 
[ 2736.632724][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2736.632724][   T10]      netdev_get_by_index+0x5e/0x80
[ 2736.632724][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2736.632724][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2736.632724][   T10]      ip6_route_add+0x1c/0x140
[ 2736.632724][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2736.632724][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2736.632724][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2736.632724][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2736.632724][   T10]      netlink_rcv_skb+0x130/0x360
[ 2736.632724][   T10]      netlink_unicast+0x449/0x710
[ 2736.632724][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2736.632724][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2736.632724][   T10]      ___sys_sendmsg+0xee/0x170
[ 2736.632724][   T10]      __sys_sendmsg+0xcd/0x170
[ 2736.632724][   T10]      do_syscall_64+0xc6/0x1e0
[ 2736.632724][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2736.632724][   T10] 
[ 2736.634858][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2736.634858][   T10]      netdev_get_by_index+0x5e/0x80
[ 2736.634858][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2736.634858][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2736.634858][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2736.634858][   T10]      ipv6_add_addr+0x411/0x2000
[ 2736.634858][   T10]      inet6_addr_add+0x30e/0xa40
[ 2736.634858][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2736.634858][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2736.634858][   T10]      netlink_rcv_skb+0x130/0x360
[ 2736.634858][   T10]      netlink_unicast+0x449/0x710
[ 2736.634858][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2736.634858][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2736.634858][   T10]      ___sys_sendmsg+0xee/0x170
[ 2736.634858][   T10]      __sys_sendmsg+0xcd/0x170
[ 2736.634858][   T10]      do_syscall_64+0xc6/0x1e0
[ 2736.634858][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2736.634858][   T10] 
[ 2736.636873][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2736.636873][   T10]      netdev_get_by_index+0x5e/0x80
[ 2736.636873][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2736.636873][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2736.636873][   T10]      ip6_route_add+0x1c/0x140
[ 2736.636873][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2736.636873][   T10]      addrconf_add_dev+0xe2/0x170
[ 2736.636873][   T10]      inet6_addr_add+0x12f/0xa40
[ 2736.636873][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2736.636873][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2736.636873][   T10]      netlink_rcv_skb+0x130/0x360
[ 2736.636873][   T10]      netlink_unicast+0x449/0x710
[ 2736.636873][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2736.636873][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2736.636873][   T10]      ___sys_sendmsg+0xee/0x170
[ 2736.636873][   T10]      __sys_sendmsg+0xcd/0x170
[ 2736.636873][   T10]      do_syscall_64+0xc6/0x1e0
[ 2736.636873][   T10] 
[ 2736.638865][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2736.638865][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2736.638865][   T10]      ipv6_find_idev+0x102/0x170
[ 2736.638865][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2736.638865][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2736.638865][   T10]      netlink_rcv_skb+0x130/0x360
[ 2736.638865][   T10]      netlink_unicast+0x449/0x710
[ 2736.638865][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2736.638865][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2736.638865][   T10]      ___sys_sendmsg+0xee/0x170
[ 2736.638865][   T10]      __sys_sendmsg+0xcd/0x170
[ 2736.638865][   T10]      do_syscall_64+0xc6/0x1e0
[ 2736.638865][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2736.638865][   T10] 
[ 2736.640442][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2736.640442][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2736.640442][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2736.640442][   T10]      ipv6_find_idev+0x102/0x170
[ 2736.640442][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2736.640442][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2736.640442][   T10]      netlink_rcv_skb+0x130/0x360
[ 2736.640442][   T10]      netlink_unicast+0x449/0x710
[ 2736.640442][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2736.640442][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2736.640442][   T10]      ___sys_sendmsg+0xee/0x170
[ 2736.640442][   T10]      __sys_sendmsg+0xcd/0x170
[ 2736.640442][   T10]      do_syscall_64+0xc6/0x1e0
[ 2736.640442][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2736.640442][   T10] 
[ 2746.800776][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2746.801229][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2746.801229][   T10]      netdev_get_by_index+0x5e/0x80
[ 2746.801229][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2746.801229][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2746.801229][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2746.801229][   T10]      ipv6_add_addr+0x411/0x2000
[ 2746.801229][   T10]      inet6_addr_add+0x30e/0xa40
[ 2746.801229][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2746.801229][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2746.801229][   T10]      netlink_rcv_skb+0x130/0x360
[ 2746.801229][   T10]      netlink_unicast+0x449/0x710
[ 2746.801229][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2746.801229][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2746.801229][   T10]      ___sys_sendmsg+0xee/0x170
[ 2746.801229][   T10]      __sys_sendmsg+0xcd/0x170
[ 2746.801229][   T10]      do_syscall_64+0xc6/0x1e0
[ 2746.801229][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2746.801229][   T10] 
[ 2746.803286][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2746.803286][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2746.803286][   T10]      ipv6_find_idev+0x102/0x170
[ 2746.803286][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2746.803286][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2746.803286][   T10]      netlink_rcv_skb+0x130/0x360
[ 2746.803286][   T10]      netlink_unicast+0x449/0x710
[ 2746.803286][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2746.803286][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2746.803286][   T10]      ___sys_sendmsg+0xee/0x170
[ 2746.803286][   T10]      __sys_sendmsg+0xcd/0x170
[ 2746.803286][   T10]      do_syscall_64+0xc6/0x1e0
[ 2746.803286][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2746.803286][   T10] 
[ 2746.804848][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2746.804848][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2746.804848][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2746.804848][   T10]      ipv6_find_idev+0x102/0x170
[ 2746.804848][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2746.804848][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2746.804848][   T10]      netlink_rcv_skb+0x130/0x360
[ 2746.804848][   T10]      netlink_unicast+0x449/0x710
[ 2746.804848][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2746.804848][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2746.804848][   T10]      ___sys_sendmsg+0xee/0x170
[ 2746.804848][   T10]      __sys_sendmsg+0xcd/0x170
[ 2746.804848][   T10]      do_syscall_64+0xc6/0x1e0
[ 2746.804848][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2746.804848][   T10] 
[ 2746.806569][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2746.806834][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2746.806834][   T10]      netdev_get_by_index+0x5e/0x80
[ 2746.806834][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2746.806834][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2746.806834][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2746.806834][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2746.806834][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2746.806834][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2746.806834][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2746.806834][   T10]      addrconf_dad_begin+0x310/0x670
[ 2746.806834][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2746.806834][   T10]      process_one_work+0x84d/0x18a0
[ 2746.806834][   T10]      worker_thread+0x587/0xd30
[ 2746.806834][   T10]      kthread+0x28a/0x350
[ 2746.806834][   T10]      ret_from_fork+0x31/0x70
[ 2746.806834][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2746.806834][   T10] 
[ 2746.808733][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2746.808733][   T10]      netdev_get_by_index+0x5e/0x80
[ 2746.808733][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2746.808733][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2746.808733][   T10]      ip6_route_add+0x1c/0x140
[ 2746.808733][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2746.808733][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2746.808733][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2746.808733][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2746.808733][   T10]      netlink_rcv_skb+0x130/0x360
[ 2746.808733][   T10]      netlink_unicast+0x449/0x710
[ 2746.808733][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2746.808733][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2746.808733][   T10]      ___sys_sendmsg+0xee/0x170
[ 2746.808733][   T10]      __sys_sendmsg+0xcd/0x170
[ 2746.808733][   T10]      do_syscall_64+0xc6/0x1e0
[ 2746.808733][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2746.808733][   T10] 
[ 2746.810798][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2746.810798][   T10]      netdev_get_by_index+0x5e/0x80
[ 2746.810798][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2746.810798][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2746.810798][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2746.810798][   T10]      ipv6_add_addr+0x411/0x2000
[ 2746.810798][   T10]      inet6_addr_add+0x30e/0xa40
[ 2746.810798][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2746.810798][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2746.810798][   T10]      netlink_rcv_skb+0x130/0x360
[ 2746.810798][   T10]      netlink_unicast+0x449/0x710
[ 2746.810798][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2746.810798][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2746.810798][   T10]      ___sys_sendmsg+0xee/0x170
[ 2746.810798][   T10]      __sys_sendmsg+0xcd/0x170
[ 2746.810798][   T10]      do_syscall_64+0xc6/0x1e0
[ 2746.810798][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2746.810798][   T10] 
[ 2746.812822][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2746.812822][   T10]      netdev_get_by_index+0x5e/0x80
[ 2746.812822][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2746.812822][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2746.812822][   T10]      ip6_route_add+0x1c/0x140
[ 2746.812822][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2746.812822][   T10]      addrconf_add_dev+0xe2/0x170
[ 2746.812822][   T10]      inet6_addr_add+0x12f/0xa40
[ 2746.812822][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2746.812822][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2746.812822][   T10]      netlink_rcv_skb+0x130/0x360
[ 2746.812822][   T10]      netlink_unicast+0x449/0x710
[ 2746.812822][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2746.812822][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2746.812822][   T10]      ___sys_sendmsg+0xee/0x170
[ 2746.812822][   T10]      __sys_sendmsg+0xcd/0x170
[ 2746.812822][   T10]      do_syscall_64+0xc6/0x1e0
[ 2746.812822][   T10] 
[ 2746.814797][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2746.814797][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2746.814797][   T10]      ipv6_find_idev+0x102/0x170
[ 2746.814797][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2746.814797][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2746.814797][   T10]      netlink_rcv_skb+0x130/0x360
[ 2746.814797][   T10]      netlink_unicast+0x449/0x710
[ 2746.814797][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2746.814797][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2746.814797][   T10]      ___sys_sendmsg+0xee/0x170
[ 2746.814797][   T10]      __sys_sendmsg+0xcd/0x170
[ 2746.814797][   T10]      do_syscall_64+0xc6/0x1e0
[ 2746.814797][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2746.814797][   T10] 
[ 2746.816350][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2746.816350][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2746.816350][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2746.816350][   T10]      ipv6_find_idev+0x102/0x170
[ 2746.816350][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2746.816350][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2746.816350][   T10]      netlink_rcv_skb+0x130/0x360
[ 2746.816350][   T10]      netlink_unicast+0x449/0x710
[ 2746.816350][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2746.816350][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2746.816350][   T10]      ___sys_sendmsg+0xee/0x170
[ 2746.816350][   T10]      __sys_sendmsg+0xcd/0x170
[ 2746.816350][   T10]      do_syscall_64+0xc6/0x1e0
[ 2746.816350][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2746.816350][   T10] 
[ 2756.944753][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2756.945171][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2756.945171][   T10]      netdev_get_by_index+0x5e/0x80
[ 2756.945171][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2756.945171][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2756.945171][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2756.945171][   T10]      ipv6_add_addr+0x411/0x2000
[ 2756.945171][   T10]      inet6_addr_add+0x30e/0xa40
[ 2756.945171][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2756.945171][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2756.945171][   T10]      netlink_rcv_skb+0x130/0x360
[ 2756.945171][   T10]      netlink_unicast+0x449/0x710
[ 2756.945171][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2756.945171][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2756.945171][   T10]      ___sys_sendmsg+0xee/0x170
[ 2756.945171][   T10]      __sys_sendmsg+0xcd/0x170
[ 2756.945171][   T10]      do_syscall_64+0xc6/0x1e0
[ 2756.945171][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2756.945171][   T10] 
[ 2756.947207][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2756.947207][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2756.947207][   T10]      ipv6_find_idev+0x102/0x170
[ 2756.947207][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2756.947207][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2756.947207][   T10]      netlink_rcv_skb+0x130/0x360
[ 2756.947207][   T10]      netlink_unicast+0x449/0x710
[ 2756.947207][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2756.947207][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2756.947207][   T10]      ___sys_sendmsg+0xee/0x170
[ 2756.947207][   T10]      __sys_sendmsg+0xcd/0x170
[ 2756.947207][   T10]      do_syscall_64+0xc6/0x1e0
[ 2756.947207][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2756.947207][   T10] 
[ 2756.948862][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2756.948862][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2756.948862][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2756.948862][   T10]      ipv6_find_idev+0x102/0x170
[ 2756.948862][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2756.948862][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2756.948862][   T10]      netlink_rcv_skb+0x130/0x360
[ 2756.948862][   T10]      netlink_unicast+0x449/0x710
[ 2756.948862][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2756.948862][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2756.948862][   T10]      ___sys_sendmsg+0xee/0x170
[ 2756.948862][   T10]      __sys_sendmsg+0xcd/0x170
[ 2756.948862][   T10]      do_syscall_64+0xc6/0x1e0
[ 2756.948862][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2756.948862][   T10] 
[ 2756.950617][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2756.950892][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2756.950892][   T10]      netdev_get_by_index+0x5e/0x80
[ 2756.950892][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2756.950892][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2756.950892][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2756.950892][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2756.950892][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2756.950892][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2756.950892][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2756.950892][   T10]      addrconf_dad_begin+0x310/0x670
[ 2756.950892][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2756.950892][   T10]      process_one_work+0x84d/0x18a0
[ 2756.950892][   T10]      worker_thread+0x587/0xd30
[ 2756.950892][   T10]      kthread+0x28a/0x350
[ 2756.950892][   T10]      ret_from_fork+0x31/0x70
[ 2756.950892][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2756.950892][   T10] 
[ 2756.952792][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2756.952792][   T10]      netdev_get_by_index+0x5e/0x80
[ 2756.952792][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2756.952792][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2756.952792][   T10]      ip6_route_add+0x1c/0x140
[ 2756.952792][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2756.952792][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2756.952792][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2756.952792][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2756.952792][   T10]      netlink_rcv_skb+0x130/0x360
[ 2756.952792][   T10]      netlink_unicast+0x449/0x710
[ 2756.952792][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2756.952792][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2756.952792][   T10]      ___sys_sendmsg+0xee/0x170
[ 2756.952792][   T10]      __sys_sendmsg+0xcd/0x170
[ 2756.952792][   T10]      do_syscall_64+0xc6/0x1e0
[ 2756.952792][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2756.952792][   T10] 
[ 2756.954809][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2756.954809][   T10]      netdev_get_by_index+0x5e/0x80
[ 2756.954809][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2756.954809][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2756.954809][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2756.954809][   T10]      ipv6_add_addr+0x411/0x2000
[ 2756.954809][   T10]      inet6_addr_add+0x30e/0xa40
[ 2756.954809][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2756.954809][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2756.954809][   T10]      netlink_rcv_skb+0x130/0x360
[ 2756.954809][   T10]      netlink_unicast+0x449/0x710
[ 2756.954809][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2756.954809][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2756.954809][   T10]      ___sys_sendmsg+0xee/0x170
[ 2756.954809][   T10]      __sys_sendmsg+0xcd/0x170
[ 2756.954809][   T10]      do_syscall_64+0xc6/0x1e0
[ 2756.954809][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2756.954809][   T10] 
[ 2756.956815][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2756.956815][   T10]      netdev_get_by_index+0x5e/0x80
[ 2756.956815][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2756.956815][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2756.956815][   T10]      ip6_route_add+0x1c/0x140
[ 2756.956815][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2756.956815][   T10]      addrconf_add_dev+0xe2/0x170
[ 2756.956815][   T10]      inet6_addr_add+0x12f/0xa40
[ 2756.956815][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2756.956815][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2756.956815][   T10]      netlink_rcv_skb+0x130/0x360
[ 2756.956815][   T10]      netlink_unicast+0x449/0x710
[ 2756.956815][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2756.956815][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2756.956815][   T10]      ___sys_sendmsg+0xee/0x170
[ 2756.956815][   T10]      __sys_sendmsg+0xcd/0x170
[ 2756.956815][   T10]      do_syscall_64+0xc6/0x1e0
[ 2756.956815][   T10] 
[ 2756.958803][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2756.958803][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2756.958803][   T10]      ipv6_find_idev+0x102/0x170
[ 2756.958803][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2756.958803][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2756.958803][   T10]      netlink_rcv_skb+0x130/0x360
[ 2756.958803][   T10]      netlink_unicast+0x449/0x710
[ 2756.958803][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2756.958803][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2756.958803][   T10]      ___sys_sendmsg+0xee/0x170
[ 2756.958803][   T10]      __sys_sendmsg+0xcd/0x170
[ 2756.958803][   T10]      do_syscall_64+0xc6/0x1e0
[ 2756.958803][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2756.958803][   T10] 
[ 2756.960368][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2756.960368][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2756.960368][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2756.960368][   T10]      ipv6_find_idev+0x102/0x170
[ 2756.960368][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2756.960368][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2756.960368][   T10]      netlink_rcv_skb+0x130/0x360
[ 2756.960368][   T10]      netlink_unicast+0x449/0x710
[ 2756.960368][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2756.960368][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2756.960368][   T10]      ___sys_sendmsg+0xee/0x170
[ 2756.960368][   T10]      __sys_sendmsg+0xcd/0x170
[ 2756.960368][   T10]      do_syscall_64+0xc6/0x1e0
[ 2756.960368][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2756.960368][   T10] 
[ 2767.200739][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2767.201135][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2767.201135][   T10]      netdev_get_by_index+0x5e/0x80
[ 2767.201135][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2767.201135][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2767.201135][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2767.201135][   T10]      ipv6_add_addr+0x411/0x2000
[ 2767.201135][   T10]      inet6_addr_add+0x30e/0xa40
[ 2767.201135][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2767.201135][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2767.201135][   T10]      netlink_rcv_skb+0x130/0x360
[ 2767.201135][   T10]      netlink_unicast+0x449/0x710
[ 2767.201135][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2767.201135][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2767.201135][   T10]      ___sys_sendmsg+0xee/0x170
[ 2767.201135][   T10]      __sys_sendmsg+0xcd/0x170
[ 2767.201135][   T10]      do_syscall_64+0xc6/0x1e0
[ 2767.201135][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2767.201135][   T10] 
[ 2767.203201][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2767.203201][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2767.203201][   T10]      ipv6_find_idev+0x102/0x170
[ 2767.203201][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2767.203201][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2767.203201][   T10]      netlink_rcv_skb+0x130/0x360
[ 2767.203201][   T10]      netlink_unicast+0x449/0x710
[ 2767.203201][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2767.203201][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2767.203201][   T10]      ___sys_sendmsg+0xee/0x170
[ 2767.203201][   T10]      __sys_sendmsg+0xcd/0x170
[ 2767.203201][   T10]      do_syscall_64+0xc6/0x1e0
[ 2767.203201][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2767.203201][   T10] 
[ 2767.204761][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2767.204761][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2767.204761][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2767.204761][   T10]      ipv6_find_idev+0x102/0x170
[ 2767.204761][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2767.204761][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2767.204761][   T10]      netlink_rcv_skb+0x130/0x360
[ 2767.204761][   T10]      netlink_unicast+0x449/0x710
[ 2767.204761][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2767.204761][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2767.204761][   T10]      ___sys_sendmsg+0xee/0x170
[ 2767.204761][   T10]      __sys_sendmsg+0xcd/0x170
[ 2767.204761][   T10]      do_syscall_64+0xc6/0x1e0
[ 2767.204761][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2767.204761][   T10] 
[ 2767.206461][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2767.206742][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2767.206742][   T10]      netdev_get_by_index+0x5e/0x80
[ 2767.206742][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2767.206742][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2767.206742][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2767.206742][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2767.206742][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2767.206742][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2767.206742][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2767.206742][   T10]      addrconf_dad_begin+0x310/0x670
[ 2767.206742][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2767.206742][   T10]      process_one_work+0x84d/0x18a0
[ 2767.206742][   T10]      worker_thread+0x587/0xd30
[ 2767.206742][   T10]      kthread+0x28a/0x350
[ 2767.206742][   T10]      ret_from_fork+0x31/0x70
[ 2767.206742][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2767.206742][   T10] 
[ 2767.208638][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2767.208638][   T10]      netdev_get_by_index+0x5e/0x80
[ 2767.208638][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2767.208638][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2767.208638][   T10]      ip6_route_add+0x1c/0x140
[ 2767.208638][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2767.208638][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2767.208638][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2767.208638][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2767.208638][   T10]      netlink_rcv_skb+0x130/0x360
[ 2767.208638][   T10]      netlink_unicast+0x449/0x710
[ 2767.208638][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2767.208638][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2767.208638][   T10]      ___sys_sendmsg+0xee/0x170
[ 2767.208638][   T10]      __sys_sendmsg+0xcd/0x170
[ 2767.208638][   T10]      do_syscall_64+0xc6/0x1e0
[ 2767.208638][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2767.208638][   T10] 
[ 2767.210664][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2767.210664][   T10]      netdev_get_by_index+0x5e/0x80
[ 2767.210664][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2767.210664][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2767.210664][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2767.210664][   T10]      ipv6_add_addr+0x411/0x2000
[ 2767.210664][   T10]      inet6_addr_add+0x30e/0xa40
[ 2767.210664][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2767.210664][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2767.210664][   T10]      netlink_rcv_skb+0x130/0x360
[ 2767.210664][   T10]      netlink_unicast+0x449/0x710
[ 2767.210664][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2767.210664][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2767.210664][   T10]      ___sys_sendmsg+0xee/0x170
[ 2767.210664][   T10]      __sys_sendmsg+0xcd/0x170
[ 2767.210664][   T10]      do_syscall_64+0xc6/0x1e0
[ 2767.210664][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2767.210664][   T10] 
[ 2767.212683][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2767.212683][   T10]      netdev_get_by_index+0x5e/0x80
[ 2767.212683][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2767.212683][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2767.212683][   T10]      ip6_route_add+0x1c/0x140
[ 2767.212683][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2767.212683][   T10]      addrconf_add_dev+0xe2/0x170
[ 2767.212683][   T10]      inet6_addr_add+0x12f/0xa40
[ 2767.212683][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2767.212683][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2767.212683][   T10]      netlink_rcv_skb+0x130/0x360
[ 2767.212683][   T10]      netlink_unicast+0x449/0x710
[ 2767.212683][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2767.212683][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2767.212683][   T10]      ___sys_sendmsg+0xee/0x170
[ 2767.212683][   T10]      __sys_sendmsg+0xcd/0x170
[ 2767.212683][   T10]      do_syscall_64+0xc6/0x1e0
[ 2767.212683][   T10] 
[ 2767.214655][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2767.214655][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2767.214655][   T10]      ipv6_find_idev+0x102/0x170
[ 2767.214655][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2767.214655][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2767.214655][   T10]      netlink_rcv_skb+0x130/0x360
[ 2767.214655][   T10]      netlink_unicast+0x449/0x710
[ 2767.214655][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2767.214655][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2767.214655][   T10]      ___sys_sendmsg+0xee/0x170
[ 2767.214655][   T10]      __sys_sendmsg+0xcd/0x170
[ 2767.214655][   T10]      do_syscall_64+0xc6/0x1e0
[ 2767.214655][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2767.214655][   T10] 
[ 2767.216223][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2767.216223][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2767.216223][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2767.216223][   T10]      ipv6_find_idev+0x102/0x170
[ 2767.216223][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2767.216223][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2767.216223][   T10]      netlink_rcv_skb+0x130/0x360
[ 2767.216223][   T10]      netlink_unicast+0x449/0x710
[ 2767.216223][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2767.216223][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2767.216223][   T10]      ___sys_sendmsg+0xee/0x170
[ 2767.216223][   T10]      __sys_sendmsg+0xcd/0x170
[ 2767.216223][   T10]      do_syscall_64+0xc6/0x1e0
[ 2767.216223][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2767.216223][   T10] 
[ 2777.456755][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2777.457210][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2777.457210][   T10]      netdev_get_by_index+0x5e/0x80
[ 2777.457210][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2777.457210][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2777.457210][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2777.457210][   T10]      ipv6_add_addr+0x411/0x2000
[ 2777.457210][   T10]      inet6_addr_add+0x30e/0xa40
[ 2777.457210][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2777.457210][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2777.457210][   T10]      netlink_rcv_skb+0x130/0x360
[ 2777.457210][   T10]      netlink_unicast+0x449/0x710
[ 2777.457210][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2777.457210][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2777.457210][   T10]      ___sys_sendmsg+0xee/0x170
[ 2777.457210][   T10]      __sys_sendmsg+0xcd/0x170
[ 2777.457210][   T10]      do_syscall_64+0xc6/0x1e0
[ 2777.457210][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2777.457210][   T10] 
[ 2777.459313][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2777.459313][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2777.459313][   T10]      ipv6_find_idev+0x102/0x170
[ 2777.459313][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2777.459313][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2777.459313][   T10]      netlink_rcv_skb+0x130/0x360
[ 2777.459313][   T10]      netlink_unicast+0x449/0x710
[ 2777.459313][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2777.459313][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2777.459313][   T10]      ___sys_sendmsg+0xee/0x170
[ 2777.459313][   T10]      __sys_sendmsg+0xcd/0x170
[ 2777.459313][   T10]      do_syscall_64+0xc6/0x1e0
[ 2777.459313][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2777.459313][   T10] 
[ 2777.460878][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2777.460878][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2777.460878][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2777.460878][   T10]      ipv6_find_idev+0x102/0x170
[ 2777.460878][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2777.460878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2777.460878][   T10]      netlink_rcv_skb+0x130/0x360
[ 2777.460878][   T10]      netlink_unicast+0x449/0x710
[ 2777.460878][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2777.460878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2777.460878][   T10]      ___sys_sendmsg+0xee/0x170
[ 2777.460878][   T10]      __sys_sendmsg+0xcd/0x170
[ 2777.460878][   T10]      do_syscall_64+0xc6/0x1e0
[ 2777.460878][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2777.460878][   T10] 
[ 2777.462582][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2777.462850][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2777.462850][   T10]      netdev_get_by_index+0x5e/0x80
[ 2777.462850][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2777.462850][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2777.462850][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2777.462850][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2777.462850][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2777.462850][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2777.462850][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2777.462850][   T10]      addrconf_dad_begin+0x310/0x670
[ 2777.462850][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2777.462850][   T10]      process_one_work+0x84d/0x18a0
[ 2777.462850][   T10]      worker_thread+0x587/0xd30
[ 2777.462850][   T10]      kthread+0x28a/0x350
[ 2777.462850][   T10]      ret_from_fork+0x31/0x70
[ 2777.462850][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2777.462850][   T10] 
[ 2777.464899][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2777.464899][   T10]      netdev_get_by_index+0x5e/0x80
[ 2777.464899][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2777.464899][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2777.464899][   T10]      ip6_route_add+0x1c/0x140
[ 2777.464899][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2777.464899][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2777.464899][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2777.464899][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2777.464899][   T10]      netlink_rcv_skb+0x130/0x360
[ 2777.464899][   T10]      netlink_unicast+0x449/0x710
[ 2777.464899][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2777.464899][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2777.464899][   T10]      ___sys_sendmsg+0xee/0x170
[ 2777.464899][   T10]      __sys_sendmsg+0xcd/0x170
[ 2777.464899][   T10]      do_syscall_64+0xc6/0x1e0
[ 2777.464899][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2777.464899][   T10] 
[ 2777.467452][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2777.467452][   T10]      netdev_get_by_index+0x5e/0x80
[ 2777.467452][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2777.467452][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2777.467452][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2777.467452][   T10]      ipv6_add_addr+0x411/0x2000
[ 2777.467452][   T10]      inet6_addr_add+0x30e/0xa40
[ 2777.467452][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2777.467452][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2777.467452][   T10]      netlink_rcv_skb+0x130/0x360
[ 2777.467452][   T10]      netlink_unicast+0x449/0x710
[ 2777.467452][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2777.467452][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2777.467452][   T10]      ___sys_sendmsg+0xee/0x170
[ 2777.467452][   T10]      __sys_sendmsg+0xcd/0x170
[ 2777.467452][   T10]      do_syscall_64+0xc6/0x1e0
[ 2777.467452][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2777.467452][   T10] 
[ 2777.469487][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2777.469487][   T10]      netdev_get_by_index+0x5e/0x80
[ 2777.469487][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2777.469487][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2777.469487][   T10]      ip6_route_add+0x1c/0x140
[ 2777.469487][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2777.469487][   T10]      addrconf_add_dev+0xe2/0x170
[ 2777.469487][   T10]      inet6_addr_add+0x12f/0xa40
[ 2777.469487][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2777.469487][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2777.469487][   T10]      netlink_rcv_skb+0x130/0x360
[ 2777.469487][   T10]      netlink_unicast+0x449/0x710
[ 2777.469487][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2777.469487][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2777.469487][   T10]      ___sys_sendmsg+0xee/0x170
[ 2777.469487][   T10]      __sys_sendmsg+0xcd/0x170
[ 2777.469487][   T10]      do_syscall_64+0xc6/0x1e0
[ 2777.469487][   T10] 
[ 2777.471487][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2777.471487][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2777.471487][   T10]      ipv6_find_idev+0x102/0x170
[ 2777.471487][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2777.471487][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2777.471487][   T10]      netlink_rcv_skb+0x130/0x360
[ 2777.471487][   T10]      netlink_unicast+0x449/0x710
[ 2777.471487][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2777.471487][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2777.471487][   T10]      ___sys_sendmsg+0xee/0x170
[ 2777.471487][   T10]      __sys_sendmsg+0xcd/0x170
[ 2777.471487][   T10]      do_syscall_64+0xc6/0x1e0
[ 2777.471487][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2777.471487][   T10] 
[ 2777.473047][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2777.473047][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2777.473047][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2777.473047][   T10]      ipv6_find_idev+0x102/0x170
[ 2777.473047][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2777.473047][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2777.473047][   T10]      netlink_rcv_skb+0x130/0x360
[ 2777.473047][   T10]      netlink_unicast+0x449/0x710
[ 2777.473047][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2777.473047][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2777.473047][   T10]      ___sys_sendmsg+0xee/0x170
[ 2777.473047][   T10]      __sys_sendmsg+0xcd/0x170
[ 2777.473047][   T10]      do_syscall_64+0xc6/0x1e0
[ 2777.473047][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2777.473047][   T10] 
[ 2787.712742][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2787.713128][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2787.713128][   T10]      netdev_get_by_index+0x5e/0x80
[ 2787.713128][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2787.713128][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2787.713128][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2787.713128][   T10]      ipv6_add_addr+0x411/0x2000
[ 2787.713128][   T10]      inet6_addr_add+0x30e/0xa40
[ 2787.713128][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2787.713128][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2787.713128][   T10]      netlink_rcv_skb+0x130/0x360
[ 2787.713128][   T10]      netlink_unicast+0x449/0x710
[ 2787.713128][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2787.713128][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2787.713128][   T10]      ___sys_sendmsg+0xee/0x170
[ 2787.713128][   T10]      __sys_sendmsg+0xcd/0x170
[ 2787.713128][   T10]      do_syscall_64+0xc6/0x1e0
[ 2787.713128][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2787.713128][   T10] 
[ 2787.715850][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2787.715850][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2787.715850][   T10]      ipv6_find_idev+0x102/0x170
[ 2787.715850][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2787.715850][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2787.715850][   T10]      netlink_rcv_skb+0x130/0x360
[ 2787.715850][   T10]      netlink_unicast+0x449/0x710
[ 2787.715850][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2787.715850][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2787.715850][   T10]      ___sys_sendmsg+0xee/0x170
[ 2787.715850][   T10]      __sys_sendmsg+0xcd/0x170
[ 2787.715850][   T10]      do_syscall_64+0xc6/0x1e0
[ 2787.715850][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2787.715850][   T10] 
[ 2787.717411][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2787.717411][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2787.717411][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2787.717411][   T10]      ipv6_find_idev+0x102/0x170
[ 2787.717411][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2787.717411][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2787.717411][   T10]      netlink_rcv_skb+0x130/0x360
[ 2787.717411][   T10]      netlink_unicast+0x449/0x710
[ 2787.717411][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2787.717411][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2787.717411][   T10]      ___sys_sendmsg+0xee/0x170
[ 2787.717411][   T10]      __sys_sendmsg+0xcd/0x170
[ 2787.717411][   T10]      do_syscall_64+0xc6/0x1e0
[ 2787.717411][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2787.717411][   T10] 
[ 2787.719106][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2787.719359][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2787.719359][   T10]      netdev_get_by_index+0x5e/0x80
[ 2787.719359][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2787.719359][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2787.719359][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2787.719359][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2787.719359][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2787.719359][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2787.719359][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2787.719359][   T10]      addrconf_dad_begin+0x310/0x670
[ 2787.719359][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2787.719359][   T10]      process_one_work+0x84d/0x18a0
[ 2787.719359][   T10]      worker_thread+0x587/0xd30
[ 2787.719359][   T10]      kthread+0x28a/0x350
[ 2787.719359][   T10]      ret_from_fork+0x31/0x70
[ 2787.719359][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2787.719359][   T10] 
[ 2787.721268][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2787.721268][   T10]      netdev_get_by_index+0x5e/0x80
[ 2787.721268][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2787.721268][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2787.721268][   T10]      ip6_route_add+0x1c/0x140
[ 2787.721268][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2787.721268][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2787.721268][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2787.721268][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2787.721268][   T10]      netlink_rcv_skb+0x130/0x360
[ 2787.721268][   T10]      netlink_unicast+0x449/0x710
[ 2787.721268][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2787.721268][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2787.721268][   T10]      ___sys_sendmsg+0xee/0x170
[ 2787.721268][   T10]      __sys_sendmsg+0xcd/0x170
[ 2787.721268][   T10]      do_syscall_64+0xc6/0x1e0
[ 2787.721268][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2787.721268][   T10] 
[ 2787.723274][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2787.723274][   T10]      netdev_get_by_index+0x5e/0x80
[ 2787.723274][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2787.723274][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2787.723274][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2787.723274][   T10]      ipv6_add_addr+0x411/0x2000
[ 2787.723274][   T10]      inet6_addr_add+0x30e/0xa40
[ 2787.723274][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2787.723274][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2787.723274][   T10]      netlink_rcv_skb+0x130/0x360
[ 2787.723274][   T10]      netlink_unicast+0x449/0x710
[ 2787.723274][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2787.723274][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2787.723274][   T10]      ___sys_sendmsg+0xee/0x170
[ 2787.723274][   T10]      __sys_sendmsg+0xcd/0x170
[ 2787.723274][   T10]      do_syscall_64+0xc6/0x1e0
[ 2787.723274][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2787.723274][   T10] 
[ 2787.725296][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2787.725296][   T10]      netdev_get_by_index+0x5e/0x80
[ 2787.725296][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2787.725296][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2787.725296][   T10]      ip6_route_add+0x1c/0x140
[ 2787.725296][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2787.725296][   T10]      addrconf_add_dev+0xe2/0x170
[ 2787.725296][   T10]      inet6_addr_add+0x12f/0xa40
[ 2787.725296][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2787.725296][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2787.725296][   T10]      netlink_rcv_skb+0x130/0x360
[ 2787.725296][   T10]      netlink_unicast+0x449/0x710
[ 2787.725296][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2787.725296][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2787.725296][   T10]      ___sys_sendmsg+0xee/0x170
[ 2787.725296][   T10]      __sys_sendmsg+0xcd/0x170
[ 2787.725296][   T10]      do_syscall_64+0xc6/0x1e0
[ 2787.725296][   T10] 
[ 2787.727263][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2787.727263][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2787.727263][   T10]      ipv6_find_idev+0x102/0x170
[ 2787.727263][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2787.727263][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2787.727263][   T10]      netlink_rcv_skb+0x130/0x360
[ 2787.727263][   T10]      netlink_unicast+0x449/0x710
[ 2787.727263][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2787.727263][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2787.727263][   T10]      ___sys_sendmsg+0xee/0x170
[ 2787.727263][   T10]      __sys_sendmsg+0xcd/0x170
[ 2787.727263][   T10]      do_syscall_64+0xc6/0x1e0
[ 2787.727263][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2787.727263][   T10] 
[ 2787.728821][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2787.728821][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2787.728821][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2787.728821][   T10]      ipv6_find_idev+0x102/0x170
[ 2787.728821][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2787.728821][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2787.728821][   T10]      netlink_rcv_skb+0x130/0x360
[ 2787.728821][   T10]      netlink_unicast+0x449/0x710
[ 2787.728821][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2787.728821][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2787.728821][   T10]      ___sys_sendmsg+0xee/0x170
[ 2787.728821][   T10]      __sys_sendmsg+0xcd/0x170
[ 2787.728821][   T10]      do_syscall_64+0xc6/0x1e0
[ 2787.728821][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2787.728821][   T10] 
[ 2797.976752][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2797.977261][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2797.977261][   T10]      netdev_get_by_index+0x5e/0x80
[ 2797.977261][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2797.977261][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2797.977261][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2797.977261][   T10]      ipv6_add_addr+0x411/0x2000
[ 2797.977261][   T10]      inet6_addr_add+0x30e/0xa40
[ 2797.977261][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2797.977261][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2797.977261][   T10]      netlink_rcv_skb+0x130/0x360
[ 2797.977261][   T10]      netlink_unicast+0x449/0x710
[ 2797.977261][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2797.977261][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2797.977261][   T10]      ___sys_sendmsg+0xee/0x170
[ 2797.977261][   T10]      __sys_sendmsg+0xcd/0x170
[ 2797.977261][   T10]      do_syscall_64+0xc6/0x1e0
[ 2797.977261][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2797.977261][   T10] 
[ 2797.979314][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2797.979314][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2797.979314][   T10]      ipv6_find_idev+0x102/0x170
[ 2797.979314][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2797.979314][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2797.979314][   T10]      netlink_rcv_skb+0x130/0x360
[ 2797.979314][   T10]      netlink_unicast+0x449/0x710
[ 2797.979314][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2797.979314][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2797.979314][   T10]      ___sys_sendmsg+0xee/0x170
[ 2797.979314][   T10]      __sys_sendmsg+0xcd/0x170
[ 2797.979314][   T10]      do_syscall_64+0xc6/0x1e0
[ 2797.979314][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2797.979314][   T10] 
[ 2797.980886][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2797.980886][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2797.980886][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2797.980886][   T10]      ipv6_find_idev+0x102/0x170
[ 2797.980886][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2797.980886][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2797.980886][   T10]      netlink_rcv_skb+0x130/0x360
[ 2797.980886][   T10]      netlink_unicast+0x449/0x710
[ 2797.980886][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2797.980886][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2797.980886][   T10]      ___sys_sendmsg+0xee/0x170
[ 2797.980886][   T10]      __sys_sendmsg+0xcd/0x170
[ 2797.980886][   T10]      do_syscall_64+0xc6/0x1e0
[ 2797.980886][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2797.980886][   T10] 
[ 2797.982683][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2797.982937][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2797.982937][   T10]      netdev_get_by_index+0x5e/0x80
[ 2797.982937][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2797.982937][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2797.982937][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2797.982937][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2797.982937][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2797.982937][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2797.982937][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2797.982937][   T10]      addrconf_dad_begin+0x310/0x670
[ 2797.982937][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2797.982937][   T10]      process_one_work+0x84d/0x18a0
[ 2797.982937][   T10]      worker_thread+0x587/0xd30
[ 2797.982937][   T10]      kthread+0x28a/0x350
[ 2797.982937][   T10]      ret_from_fork+0x31/0x70
[ 2797.982937][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2797.982937][   T10] 
[ 2797.984838][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2797.984838][   T10]      netdev_get_by_index+0x5e/0x80
[ 2797.984838][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2797.984838][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2797.984838][   T10]      ip6_route_add+0x1c/0x140
[ 2797.984838][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2797.984838][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2797.984838][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2797.984838][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2797.984838][   T10]      netlink_rcv_skb+0x130/0x360
[ 2797.984838][   T10]      netlink_unicast+0x449/0x710
[ 2797.984838][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2797.984838][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2797.984838][   T10]      ___sys_sendmsg+0xee/0x170
[ 2797.984838][   T10]      __sys_sendmsg+0xcd/0x170
[ 2797.984838][   T10]      do_syscall_64+0xc6/0x1e0
[ 2797.984838][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2797.984838][   T10] 
[ 2797.986861][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2797.986861][   T10]      netdev_get_by_index+0x5e/0x80
[ 2797.986861][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2797.986861][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2797.986861][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2797.986861][   T10]      ipv6_add_addr+0x411/0x2000
[ 2797.986861][   T10]      inet6_addr_add+0x30e/0xa40
[ 2797.986861][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2797.986861][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2797.986861][   T10]      netlink_rcv_skb+0x130/0x360
[ 2797.986861][   T10]      netlink_unicast+0x449/0x710
[ 2797.986861][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2797.986861][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2797.986861][   T10]      ___sys_sendmsg+0xee/0x170
[ 2797.986861][   T10]      __sys_sendmsg+0xcd/0x170
[ 2797.986861][   T10]      do_syscall_64+0xc6/0x1e0
[ 2797.986861][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2797.986861][   T10] 
[ 2797.988879][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2797.988879][   T10]      netdev_get_by_index+0x5e/0x80
[ 2797.988879][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2797.988879][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2797.988879][   T10]      ip6_route_add+0x1c/0x140
[ 2797.988879][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2797.988879][   T10]      addrconf_add_dev+0xe2/0x170
[ 2797.988879][   T10]      inet6_addr_add+0x12f/0xa40
[ 2797.988879][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2797.988879][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2797.988879][   T10]      netlink_rcv_skb+0x130/0x360
[ 2797.988879][   T10]      netlink_unicast+0x449/0x710
[ 2797.988879][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2797.988879][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2797.988879][   T10]      ___sys_sendmsg+0xee/0x170
[ 2797.988879][   T10]      __sys_sendmsg+0xcd/0x170
[ 2797.988879][   T10]      do_syscall_64+0xc6/0x1e0
[ 2797.988879][   T10] 
[ 2797.990864][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2797.990864][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2797.990864][   T10]      ipv6_find_idev+0x102/0x170
[ 2797.990864][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2797.990864][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2797.990864][   T10]      netlink_rcv_skb+0x130/0x360
[ 2797.990864][   T10]      netlink_unicast+0x449/0x710
[ 2797.990864][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2797.990864][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2797.990864][   T10]      ___sys_sendmsg+0xee/0x170
[ 2797.990864][   T10]      __sys_sendmsg+0xcd/0x170
[ 2797.990864][   T10]      do_syscall_64+0xc6/0x1e0
[ 2797.990864][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2797.990864][   T10] 
[ 2797.992418][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2797.992418][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2797.992418][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2797.992418][   T10]      ipv6_find_idev+0x102/0x170
[ 2797.992418][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2797.992418][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2797.992418][   T10]      netlink_rcv_skb+0x130/0x360
[ 2797.992418][   T10]      netlink_unicast+0x449/0x710
[ 2797.992418][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2797.992418][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2797.992418][   T10]      ___sys_sendmsg+0xee/0x170
[ 2797.992418][   T10]      __sys_sendmsg+0xcd/0x170
[ 2797.992418][   T10]      do_syscall_64+0xc6/0x1e0
[ 2797.992418][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2797.992418][   T10] 
[ 2808.120682][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2808.121168][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2808.121168][   T10]      netdev_get_by_index+0x5e/0x80
[ 2808.121168][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2808.121168][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2808.121168][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2808.121168][   T10]      ipv6_add_addr+0x411/0x2000
[ 2808.121168][   T10]      inet6_addr_add+0x30e/0xa40
[ 2808.121168][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2808.121168][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2808.121168][   T10]      netlink_rcv_skb+0x130/0x360
[ 2808.121168][   T10]      netlink_unicast+0x449/0x710
[ 2808.121168][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2808.121168][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2808.121168][   T10]      ___sys_sendmsg+0xee/0x170
[ 2808.121168][   T10]      __sys_sendmsg+0xcd/0x170
[ 2808.121168][   T10]      do_syscall_64+0xc6/0x1e0
[ 2808.121168][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2808.121168][   T10] 
[ 2808.123222][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2808.123222][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2808.123222][   T10]      ipv6_find_idev+0x102/0x170
[ 2808.123222][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2808.123222][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2808.123222][   T10]      netlink_rcv_skb+0x130/0x360
[ 2808.123222][   T10]      netlink_unicast+0x449/0x710
[ 2808.123222][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2808.123222][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2808.123222][   T10]      ___sys_sendmsg+0xee/0x170
[ 2808.123222][   T10]      __sys_sendmsg+0xcd/0x170
[ 2808.123222][   T10]      do_syscall_64+0xc6/0x1e0
[ 2808.123222][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2808.123222][   T10] 
[ 2808.124796][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2808.124796][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2808.124796][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2808.124796][   T10]      ipv6_find_idev+0x102/0x170
[ 2808.124796][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2808.124796][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2808.124796][   T10]      netlink_rcv_skb+0x130/0x360
[ 2808.124796][   T10]      netlink_unicast+0x449/0x710
[ 2808.124796][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2808.124796][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2808.124796][   T10]      ___sys_sendmsg+0xee/0x170
[ 2808.124796][   T10]      __sys_sendmsg+0xcd/0x170
[ 2808.124796][   T10]      do_syscall_64+0xc6/0x1e0
[ 2808.124796][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2808.124796][   T10] 
[ 2808.126496][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2808.126779][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2808.126779][   T10]      netdev_get_by_index+0x5e/0x80
[ 2808.126779][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2808.126779][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2808.126779][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2808.126779][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2808.126779][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2808.126779][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2808.126779][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2808.126779][   T10]      addrconf_dad_begin+0x310/0x670
[ 2808.126779][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2808.126779][   T10]      process_one_work+0x84d/0x18a0
[ 2808.126779][   T10]      worker_thread+0x587/0xd30
[ 2808.126779][   T10]      kthread+0x28a/0x350
[ 2808.126779][   T10]      ret_from_fork+0x31/0x70
[ 2808.126779][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2808.126779][   T10] 
[ 2808.128674][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2808.128674][   T10]      netdev_get_by_index+0x5e/0x80
[ 2808.128674][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2808.128674][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2808.128674][   T10]      ip6_route_add+0x1c/0x140
[ 2808.128674][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2808.128674][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2808.128674][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2808.128674][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2808.128674][   T10]      netlink_rcv_skb+0x130/0x360
[ 2808.128674][   T10]      netlink_unicast+0x449/0x710
[ 2808.128674][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2808.128674][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2808.128674][   T10]      ___sys_sendmsg+0xee/0x170
[ 2808.128674][   T10]      __sys_sendmsg+0xcd/0x170
[ 2808.128674][   T10]      do_syscall_64+0xc6/0x1e0
[ 2808.128674][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2808.128674][   T10] 
[ 2808.130798][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2808.130798][   T10]      netdev_get_by_index+0x5e/0x80
[ 2808.130798][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2808.130798][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2808.130798][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2808.130798][   T10]      ipv6_add_addr+0x411/0x2000
[ 2808.130798][   T10]      inet6_addr_add+0x30e/0xa40
[ 2808.130798][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2808.130798][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2808.130798][   T10]      netlink_rcv_skb+0x130/0x360
[ 2808.130798][   T10]      netlink_unicast+0x449/0x710
[ 2808.130798][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2808.130798][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2808.130798][   T10]      ___sys_sendmsg+0xee/0x170
[ 2808.130798][   T10]      __sys_sendmsg+0xcd/0x170
[ 2808.130798][   T10]      do_syscall_64+0xc6/0x1e0
[ 2808.130798][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2808.130798][   T10] 
[ 2808.132807][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2808.132807][   T10]      netdev_get_by_index+0x5e/0x80
[ 2808.132807][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2808.132807][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2808.132807][   T10]      ip6_route_add+0x1c/0x140
[ 2808.132807][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2808.132807][   T10]      addrconf_add_dev+0xe2/0x170
[ 2808.132807][   T10]      inet6_addr_add+0x12f/0xa40
[ 2808.132807][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2808.132807][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2808.132807][   T10]      netlink_rcv_skb+0x130/0x360
[ 2808.132807][   T10]      netlink_unicast+0x449/0x710
[ 2808.132807][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2808.132807][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2808.132807][   T10]      ___sys_sendmsg+0xee/0x170
[ 2808.132807][   T10]      __sys_sendmsg+0xcd/0x170
[ 2808.132807][   T10]      do_syscall_64+0xc6/0x1e0
[ 2808.132807][   T10] 
[ 2808.134786][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2808.134786][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2808.134786][   T10]      ipv6_find_idev+0x102/0x170
[ 2808.134786][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2808.134786][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2808.134786][   T10]      netlink_rcv_skb+0x130/0x360
[ 2808.134786][   T10]      netlink_unicast+0x449/0x710
[ 2808.134786][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2808.134786][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2808.134786][   T10]      ___sys_sendmsg+0xee/0x170
[ 2808.134786][   T10]      __sys_sendmsg+0xcd/0x170
[ 2808.134786][   T10]      do_syscall_64+0xc6/0x1e0
[ 2808.134786][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2808.134786][   T10] 
[ 2808.136341][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2808.136341][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2808.136341][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2808.136341][   T10]      ipv6_find_idev+0x102/0x170
[ 2808.136341][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2808.136341][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2808.136341][   T10]      netlink_rcv_skb+0x130/0x360
[ 2808.136341][   T10]      netlink_unicast+0x449/0x710
[ 2808.136341][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2808.136341][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2808.136341][   T10]      ___sys_sendmsg+0xee/0x170
[ 2808.136341][   T10]      __sys_sendmsg+0xcd/0x170
[ 2808.136341][   T10]      do_syscall_64+0xc6/0x1e0
[ 2808.136341][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2808.136341][   T10] 
[ 2818.392745][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2818.393191][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2818.393191][   T10]      netdev_get_by_index+0x5e/0x80
[ 2818.393191][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2818.393191][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2818.393191][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2818.393191][   T10]      ipv6_add_addr+0x411/0x2000
[ 2818.393191][   T10]      inet6_addr_add+0x30e/0xa40
[ 2818.393191][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2818.393191][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2818.393191][   T10]      netlink_rcv_skb+0x130/0x360
[ 2818.393191][   T10]      netlink_unicast+0x449/0x710
[ 2818.393191][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2818.393191][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2818.393191][   T10]      ___sys_sendmsg+0xee/0x170
[ 2818.393191][   T10]      __sys_sendmsg+0xcd/0x170
[ 2818.393191][   T10]      do_syscall_64+0xc6/0x1e0
[ 2818.393191][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2818.393191][   T10] 
[ 2818.395244][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2818.395244][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2818.395244][   T10]      ipv6_find_idev+0x102/0x170
[ 2818.395244][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2818.395244][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2818.395244][   T10]      netlink_rcv_skb+0x130/0x360
[ 2818.395244][   T10]      netlink_unicast+0x449/0x710
[ 2818.395244][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2818.395244][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2818.395244][   T10]      ___sys_sendmsg+0xee/0x170
[ 2818.395244][   T10]      __sys_sendmsg+0xcd/0x170
[ 2818.395244][   T10]      do_syscall_64+0xc6/0x1e0
[ 2818.395244][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2818.395244][   T10] 
[ 2818.396803][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2818.396803][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2818.396803][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2818.396803][   T10]      ipv6_find_idev+0x102/0x170
[ 2818.396803][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2818.396803][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2818.396803][   T10]      netlink_rcv_skb+0x130/0x360
[ 2818.396803][   T10]      netlink_unicast+0x449/0x710
[ 2818.396803][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2818.396803][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2818.396803][   T10]      ___sys_sendmsg+0xee/0x170
[ 2818.396803][   T10]      __sys_sendmsg+0xcd/0x170
[ 2818.396803][   T10]      do_syscall_64+0xc6/0x1e0
[ 2818.396803][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2818.396803][   T10] 
[ 2818.398498][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2818.398768][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2818.398768][   T10]      netdev_get_by_index+0x5e/0x80
[ 2818.398768][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2818.398768][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2818.398768][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2818.398768][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2818.398768][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2818.398768][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2818.398768][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2818.398768][   T10]      addrconf_dad_begin+0x310/0x670
[ 2818.398768][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2818.398768][   T10]      process_one_work+0x84d/0x18a0
[ 2818.398768][   T10]      worker_thread+0x587/0xd30
[ 2818.398768][   T10]      kthread+0x28a/0x350
[ 2818.398768][   T10]      ret_from_fork+0x31/0x70
[ 2818.398768][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2818.398768][   T10] 
[ 2818.400711][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2818.400711][   T10]      netdev_get_by_index+0x5e/0x80
[ 2818.400711][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2818.400711][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2818.400711][   T10]      ip6_route_add+0x1c/0x140
[ 2818.400711][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2818.400711][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2818.400711][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2818.400711][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2818.400711][   T10]      netlink_rcv_skb+0x130/0x360
[ 2818.400711][   T10]      netlink_unicast+0x449/0x710
[ 2818.400711][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2818.400711][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2818.400711][   T10]      ___sys_sendmsg+0xee/0x170
[ 2818.400711][   T10]      __sys_sendmsg+0xcd/0x170
[ 2818.400711][   T10]      do_syscall_64+0xc6/0x1e0
[ 2818.400711][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2818.400711][   T10] 
[ 2818.402743][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2818.402743][   T10]      netdev_get_by_index+0x5e/0x80
[ 2818.402743][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2818.402743][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2818.402743][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2818.402743][   T10]      ipv6_add_addr+0x411/0x2000
[ 2818.402743][   T10]      inet6_addr_add+0x30e/0xa40
[ 2818.402743][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2818.402743][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2818.402743][   T10]      netlink_rcv_skb+0x130/0x360
[ 2818.402743][   T10]      netlink_unicast+0x449/0x710
[ 2818.402743][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2818.402743][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2818.402743][   T10]      ___sys_sendmsg+0xee/0x170
[ 2818.402743][   T10]      __sys_sendmsg+0xcd/0x170
[ 2818.402743][   T10]      do_syscall_64+0xc6/0x1e0
[ 2818.402743][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2818.402743][   T10] 
[ 2818.404787][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2818.404787][   T10]      netdev_get_by_index+0x5e/0x80
[ 2818.404787][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2818.404787][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2818.404787][   T10]      ip6_route_add+0x1c/0x140
[ 2818.404787][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2818.404787][   T10]      addrconf_add_dev+0xe2/0x170
[ 2818.404787][   T10]      inet6_addr_add+0x12f/0xa40
[ 2818.404787][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2818.404787][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2818.404787][   T10]      netlink_rcv_skb+0x130/0x360
[ 2818.404787][   T10]      netlink_unicast+0x449/0x710
[ 2818.404787][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2818.404787][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2818.404787][   T10]      ___sys_sendmsg+0xee/0x170
[ 2818.404787][   T10]      __sys_sendmsg+0xcd/0x170
[ 2818.404787][   T10]      do_syscall_64+0xc6/0x1e0
[ 2818.404787][   T10] 
[ 2818.406773][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2818.406773][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2818.406773][   T10]      ipv6_find_idev+0x102/0x170
[ 2818.406773][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2818.406773][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2818.406773][   T10]      netlink_rcv_skb+0x130/0x360
[ 2818.406773][   T10]      netlink_unicast+0x449/0x710
[ 2818.406773][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2818.406773][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2818.406773][   T10]      ___sys_sendmsg+0xee/0x170
[ 2818.406773][   T10]      __sys_sendmsg+0xcd/0x170
[ 2818.406773][   T10]      do_syscall_64+0xc6/0x1e0
[ 2818.406773][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2818.406773][   T10] 
[ 2818.408334][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2818.408334][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2818.408334][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2818.408334][   T10]      ipv6_find_idev+0x102/0x170
[ 2818.408334][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2818.408334][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2818.408334][   T10]      netlink_rcv_skb+0x130/0x360
[ 2818.408334][   T10]      netlink_unicast+0x449/0x710
[ 2818.408334][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2818.408334][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2818.408334][   T10]      ___sys_sendmsg+0xee/0x170
[ 2818.408334][   T10]      __sys_sendmsg+0xcd/0x170
[ 2818.408334][   T10]      do_syscall_64+0xc6/0x1e0
[ 2818.408334][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2818.408334][   T10] 
[ 2828.664748][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2828.665203][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2828.665203][   T10]      netdev_get_by_index+0x5e/0x80
[ 2828.665203][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2828.665203][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2828.665203][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2828.665203][   T10]      ipv6_add_addr+0x411/0x2000
[ 2828.665203][   T10]      inet6_addr_add+0x30e/0xa40
[ 2828.665203][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2828.665203][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2828.665203][   T10]      netlink_rcv_skb+0x130/0x360
[ 2828.665203][   T10]      netlink_unicast+0x449/0x710
[ 2828.665203][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2828.665203][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2828.665203][   T10]      ___sys_sendmsg+0xee/0x170
[ 2828.665203][   T10]      __sys_sendmsg+0xcd/0x170
[ 2828.665203][   T10]      do_syscall_64+0xc6/0x1e0
[ 2828.665203][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2828.665203][   T10] 
[ 2828.667267][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2828.667267][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2828.667267][   T10]      ipv6_find_idev+0x102/0x170
[ 2828.667267][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2828.667267][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2828.667267][   T10]      netlink_rcv_skb+0x130/0x360
[ 2828.667267][   T10]      netlink_unicast+0x449/0x710
[ 2828.667267][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2828.667267][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2828.667267][   T10]      ___sys_sendmsg+0xee/0x170
[ 2828.667267][   T10]      __sys_sendmsg+0xcd/0x170
[ 2828.667267][   T10]      do_syscall_64+0xc6/0x1e0
[ 2828.667267][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2828.667267][   T10] 
[ 2828.668833][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2828.668833][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2828.668833][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2828.668833][   T10]      ipv6_find_idev+0x102/0x170
[ 2828.668833][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2828.668833][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2828.668833][   T10]      netlink_rcv_skb+0x130/0x360
[ 2828.668833][   T10]      netlink_unicast+0x449/0x710
[ 2828.668833][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2828.668833][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2828.668833][   T10]      ___sys_sendmsg+0xee/0x170
[ 2828.668833][   T10]      __sys_sendmsg+0xcd/0x170
[ 2828.668833][   T10]      do_syscall_64+0xc6/0x1e0
[ 2828.668833][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2828.668833][   T10] 
[ 2828.670674][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2828.670927][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2828.670927][   T10]      netdev_get_by_index+0x5e/0x80
[ 2828.670927][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2828.670927][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2828.670927][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2828.670927][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2828.670927][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2828.670927][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2828.670927][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2828.670927][   T10]      addrconf_dad_begin+0x310/0x670
[ 2828.670927][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2828.670927][   T10]      process_one_work+0x84d/0x18a0
[ 2828.670927][   T10]      worker_thread+0x587/0xd30
[ 2828.670927][   T10]      kthread+0x28a/0x350
[ 2828.670927][   T10]      ret_from_fork+0x31/0x70
[ 2828.670927][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2828.670927][   T10] 
[ 2828.672845][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2828.672845][   T10]      netdev_get_by_index+0x5e/0x80
[ 2828.672845][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2828.672845][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2828.672845][   T10]      ip6_route_add+0x1c/0x140
[ 2828.672845][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2828.672845][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2828.672845][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2828.672845][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2828.672845][   T10]      netlink_rcv_skb+0x130/0x360
[ 2828.672845][   T10]      netlink_unicast+0x449/0x710
[ 2828.672845][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2828.672845][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2828.672845][   T10]      ___sys_sendmsg+0xee/0x170
[ 2828.672845][   T10]      __sys_sendmsg+0xcd/0x170
[ 2828.672845][   T10]      do_syscall_64+0xc6/0x1e0
[ 2828.672845][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2828.672845][   T10] 
[ 2828.674860][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2828.674860][   T10]      netdev_get_by_index+0x5e/0x80
[ 2828.674860][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2828.674860][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2828.674860][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2828.674860][   T10]      ipv6_add_addr+0x411/0x2000
[ 2828.674860][   T10]      inet6_addr_add+0x30e/0xa40
[ 2828.674860][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2828.674860][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2828.674860][   T10]      netlink_rcv_skb+0x130/0x360
[ 2828.674860][   T10]      netlink_unicast+0x449/0x710
[ 2828.674860][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2828.674860][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2828.674860][   T10]      ___sys_sendmsg+0xee/0x170
[ 2828.674860][   T10]      __sys_sendmsg+0xcd/0x170
[ 2828.674860][   T10]      do_syscall_64+0xc6/0x1e0
[ 2828.674860][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2828.674860][   T10] 
[ 2828.676883][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2828.676883][   T10]      netdev_get_by_index+0x5e/0x80
[ 2828.676883][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2828.676883][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2828.676883][   T10]      ip6_route_add+0x1c/0x140
[ 2828.676883][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2828.676883][   T10]      addrconf_add_dev+0xe2/0x170
[ 2828.676883][   T10]      inet6_addr_add+0x12f/0xa40
[ 2828.676883][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2828.676883][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2828.676883][   T10]      netlink_rcv_skb+0x130/0x360
[ 2828.676883][   T10]      netlink_unicast+0x449/0x710
[ 2828.676883][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2828.676883][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2828.676883][   T10]      ___sys_sendmsg+0xee/0x170
[ 2828.676883][   T10]      __sys_sendmsg+0xcd/0x170
[ 2828.676883][   T10]      do_syscall_64+0xc6/0x1e0
[ 2828.676883][   T10] 
[ 2828.678868][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2828.678868][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2828.678868][   T10]      ipv6_find_idev+0x102/0x170
[ 2828.678868][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2828.678868][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2828.678868][   T10]      netlink_rcv_skb+0x130/0x360
[ 2828.678868][   T10]      netlink_unicast+0x449/0x710
[ 2828.678868][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2828.678868][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2828.678868][   T10]      ___sys_sendmsg+0xee/0x170
[ 2828.678868][   T10]      __sys_sendmsg+0xcd/0x170
[ 2828.678868][   T10]      do_syscall_64+0xc6/0x1e0
[ 2828.678868][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2828.678868][   T10] 
[ 2828.680423][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2828.680423][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2828.680423][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2828.680423][   T10]      ipv6_find_idev+0x102/0x170
[ 2828.680423][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2828.680423][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2828.680423][   T10]      netlink_rcv_skb+0x130/0x360
[ 2828.680423][   T10]      netlink_unicast+0x449/0x710
[ 2828.680423][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2828.680423][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2828.680423][   T10]      ___sys_sendmsg+0xee/0x170
[ 2828.680423][   T10]      __sys_sendmsg+0xcd/0x170
[ 2828.680423][   T10]      do_syscall_64+0xc6/0x1e0
[ 2828.680423][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2828.680423][   T10] 
[ 2838.936754][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2838.937210][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2838.937210][   T10]      netdev_get_by_index+0x5e/0x80
[ 2838.937210][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2838.937210][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2838.937210][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2838.937210][   T10]      ipv6_add_addr+0x411/0x2000
[ 2838.937210][   T10]      inet6_addr_add+0x30e/0xa40
[ 2838.937210][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2838.937210][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2838.937210][   T10]      netlink_rcv_skb+0x130/0x360
[ 2838.937210][   T10]      netlink_unicast+0x449/0x710
[ 2838.937210][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2838.937210][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2838.937210][   T10]      ___sys_sendmsg+0xee/0x170
[ 2838.937210][   T10]      __sys_sendmsg+0xcd/0x170
[ 2838.937210][   T10]      do_syscall_64+0xc6/0x1e0
[ 2838.937210][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2838.937210][   T10] 
[ 2838.939260][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2838.939260][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2838.939260][   T10]      ipv6_find_idev+0x102/0x170
[ 2838.939260][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2838.939260][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2838.939260][   T10]      netlink_rcv_skb+0x130/0x360
[ 2838.939260][   T10]      netlink_unicast+0x449/0x710
[ 2838.939260][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2838.939260][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2838.939260][   T10]      ___sys_sendmsg+0xee/0x170
[ 2838.939260][   T10]      __sys_sendmsg+0xcd/0x170
[ 2838.939260][   T10]      do_syscall_64+0xc6/0x1e0
[ 2838.939260][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2838.939260][   T10] 
[ 2838.940917][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2838.940917][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2838.940917][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2838.940917][   T10]      ipv6_find_idev+0x102/0x170
[ 2838.940917][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2838.940917][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2838.940917][   T10]      netlink_rcv_skb+0x130/0x360
[ 2838.940917][   T10]      netlink_unicast+0x449/0x710
[ 2838.940917][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2838.940917][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2838.940917][   T10]      ___sys_sendmsg+0xee/0x170
[ 2838.940917][   T10]      __sys_sendmsg+0xcd/0x170
[ 2838.940917][   T10]      do_syscall_64+0xc6/0x1e0
[ 2838.940917][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2838.940917][   T10] 
[ 2838.942618][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2838.942883][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2838.942883][   T10]      netdev_get_by_index+0x5e/0x80
[ 2838.942883][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2838.942883][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2838.942883][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2838.942883][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2838.942883][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2838.942883][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2838.942883][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2838.942883][   T10]      addrconf_dad_begin+0x310/0x670
[ 2838.942883][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2838.942883][   T10]      process_one_work+0x84d/0x18a0
[ 2838.942883][   T10]      worker_thread+0x587/0xd30
[ 2838.942883][   T10]      kthread+0x28a/0x350
[ 2838.942883][   T10]      ret_from_fork+0x31/0x70
[ 2838.942883][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2838.942883][   T10] 
[ 2838.944784][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2838.944784][   T10]      netdev_get_by_index+0x5e/0x80
[ 2838.944784][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2838.944784][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2838.944784][   T10]      ip6_route_add+0x1c/0x140
[ 2838.944784][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2838.944784][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2838.944784][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2838.944784][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2838.944784][   T10]      netlink_rcv_skb+0x130/0x360
[ 2838.944784][   T10]      netlink_unicast+0x449/0x710
[ 2838.944784][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2838.944784][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2838.944784][   T10]      ___sys_sendmsg+0xee/0x170
[ 2838.944784][   T10]      __sys_sendmsg+0xcd/0x170
[ 2838.944784][   T10]      do_syscall_64+0xc6/0x1e0
[ 2838.944784][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2838.944784][   T10] 
[ 2838.946800][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2838.946800][   T10]      netdev_get_by_index+0x5e/0x80
[ 2838.946800][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2838.946800][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2838.946800][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2838.946800][   T10]      ipv6_add_addr+0x411/0x2000
[ 2838.946800][   T10]      inet6_addr_add+0x30e/0xa40
[ 2838.946800][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2838.946800][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2838.946800][   T10]      netlink_rcv_skb+0x130/0x360
[ 2838.946800][   T10]      netlink_unicast+0x449/0x710
[ 2838.946800][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2838.946800][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2838.946800][   T10]      ___sys_sendmsg+0xee/0x170
[ 2838.946800][   T10]      __sys_sendmsg+0xcd/0x170
[ 2838.946800][   T10]      do_syscall_64+0xc6/0x1e0
[ 2838.946800][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2838.946800][   T10] 
[ 2838.948809][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2838.948809][   T10]      netdev_get_by_index+0x5e/0x80
[ 2838.948809][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2838.948809][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2838.948809][   T10]      ip6_route_add+0x1c/0x140
[ 2838.948809][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2838.948809][   T10]      addrconf_add_dev+0xe2/0x170
[ 2838.948809][   T10]      inet6_addr_add+0x12f/0xa40
[ 2838.948809][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2838.948809][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2838.948809][   T10]      netlink_rcv_skb+0x130/0x360
[ 2838.948809][   T10]      netlink_unicast+0x449/0x710
[ 2838.948809][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2838.948809][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2838.948809][   T10]      ___sys_sendmsg+0xee/0x170
[ 2838.948809][   T10]      __sys_sendmsg+0xcd/0x170
[ 2838.948809][   T10]      do_syscall_64+0xc6/0x1e0
[ 2838.948809][   T10] 
[ 2838.950800][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2838.950800][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2838.950800][   T10]      ipv6_find_idev+0x102/0x170
[ 2838.950800][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2838.950800][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2838.950800][   T10]      netlink_rcv_skb+0x130/0x360
[ 2838.950800][   T10]      netlink_unicast+0x449/0x710
[ 2838.950800][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2838.950800][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2838.950800][   T10]      ___sys_sendmsg+0xee/0x170
[ 2838.950800][   T10]      __sys_sendmsg+0xcd/0x170
[ 2838.950800][   T10]      do_syscall_64+0xc6/0x1e0
[ 2838.950800][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2838.950800][   T10] 
[ 2838.952350][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2838.952350][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2838.952350][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2838.952350][   T10]      ipv6_find_idev+0x102/0x170
[ 2838.952350][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2838.952350][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2838.952350][   T10]      netlink_rcv_skb+0x130/0x360
[ 2838.952350][   T10]      netlink_unicast+0x449/0x710
[ 2838.952350][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2838.952350][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2838.952350][   T10]      ___sys_sendmsg+0xee/0x170
[ 2838.952350][   T10]      __sys_sendmsg+0xcd/0x170
[ 2838.952350][   T10]      do_syscall_64+0xc6/0x1e0
[ 2838.952350][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2838.952350][   T10] 
[ 2849.208742][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4
[ 2849.209180][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2849.209180][   T10]      netdev_get_by_index+0x5e/0x80
[ 2849.209180][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2849.209180][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2849.209180][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2849.209180][   T10]      ipv6_add_addr+0x411/0x2000
[ 2849.209180][   T10]      inet6_addr_add+0x30e/0xa40
[ 2849.209180][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2849.209180][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2849.209180][   T10]      netlink_rcv_skb+0x130/0x360
[ 2849.209180][   T10]      netlink_unicast+0x449/0x710
[ 2849.209180][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2849.209180][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2849.209180][   T10]      ___sys_sendmsg+0xee/0x170
[ 2849.209180][   T10]      __sys_sendmsg+0xcd/0x170
[ 2849.209180][   T10]      do_syscall_64+0xc6/0x1e0
[ 2849.209180][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2849.209180][   T10] 
[ 2849.211408][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2849.211408][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2849.211408][   T10]      ipv6_find_idev+0x102/0x170
[ 2849.211408][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2849.211408][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2849.211408][   T10]      netlink_rcv_skb+0x130/0x360
[ 2849.211408][   T10]      netlink_unicast+0x449/0x710
[ 2849.211408][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2849.211408][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2849.211408][   T10]      ___sys_sendmsg+0xee/0x170
[ 2849.211408][   T10]      __sys_sendmsg+0xcd/0x170
[ 2849.211408][   T10]      do_syscall_64+0xc6/0x1e0
[ 2849.211408][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2849.211408][   T10] 
[ 2849.213078][   T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at
[ 2849.213078][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2849.213078][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2849.213078][   T10]      ipv6_find_idev+0x102/0x170
[ 2849.213078][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2849.213078][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2849.213078][   T10]      netlink_rcv_skb+0x130/0x360
[ 2849.213078][   T10]      netlink_unicast+0x449/0x710
[ 2849.213078][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2849.213078][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2849.213078][   T10]      ___sys_sendmsg+0xee/0x170
[ 2849.213078][   T10]      __sys_sendmsg+0xcd/0x170
[ 2849.213078][   T10]      do_syscall_64+0xc6/0x1e0
[ 2849.213078][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2849.213078][   T10] 
[ 2849.214903][   T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7
[ 2849.215180][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2849.215180][   T10]      netdev_get_by_index+0x5e/0x80
[ 2849.215180][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2849.215180][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2849.215180][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2849.215180][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2849.215180][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2849.215180][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2849.215180][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2849.215180][   T10]      addrconf_dad_begin+0x310/0x670
[ 2849.215180][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2849.215180][   T10]      process_one_work+0x84d/0x18a0
[ 2849.215180][   T10]      worker_thread+0x587/0xd30
[ 2849.215180][   T10]      kthread+0x28a/0x350
[ 2849.215180][   T10]      ret_from_fork+0x31/0x70
[ 2849.215180][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2849.215180][   T10] 
[ 2849.217223][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2849.217223][   T10]      netdev_get_by_index+0x5e/0x80
[ 2849.217223][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2849.217223][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2849.217223][   T10]      ip6_route_add+0x1c/0x140
[ 2849.217223][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2849.217223][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2849.217223][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2849.217223][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2849.217223][   T10]      netlink_rcv_skb+0x130/0x360
[ 2849.217223][   T10]      netlink_unicast+0x449/0x710
[ 2849.217223][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2849.217223][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2849.217223][   T10]      ___sys_sendmsg+0xee/0x170
[ 2849.217223][   T10]      __sys_sendmsg+0xcd/0x170
[ 2849.217223][   T10]      do_syscall_64+0xc6/0x1e0
[ 2849.217223][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2849.217223][   T10] 
[ 2849.219390][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2849.219390][   T10]      netdev_get_by_index+0x5e/0x80
[ 2849.219390][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2849.219390][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2849.219390][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2849.219390][   T10]      ipv6_add_addr+0x411/0x2000
[ 2849.219390][   T10]      inet6_addr_add+0x30e/0xa40
[ 2849.219390][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2849.219390][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2849.219390][   T10]      netlink_rcv_skb+0x130/0x360
[ 2849.219390][   T10]      netlink_unicast+0x449/0x710
[ 2849.219390][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2849.219390][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2849.219390][   T10]      ___sys_sendmsg+0xee/0x170
[ 2849.219390][   T10]      __sys_sendmsg+0xcd/0x170
[ 2849.219390][   T10]      do_syscall_64+0xc6/0x1e0
[ 2849.219390][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2849.219390][   T10] 
[ 2849.221598][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2849.221598][   T10]      netdev_get_by_index+0x5e/0x80
[ 2849.221598][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2849.221598][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2849.221598][   T10]      ip6_route_add+0x1c/0x140
[ 2849.221598][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2849.221598][   T10]      addrconf_add_dev+0xe2/0x170
[ 2849.221598][   T10]      inet6_addr_add+0x12f/0xa40
[ 2849.221598][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2849.221598][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2849.221598][   T10]      netlink_rcv_skb+0x130/0x360
[ 2849.221598][   T10]      netlink_unicast+0x449/0x710
[ 2849.221598][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2849.221598][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2849.221598][   T10]      ___sys_sendmsg+0xee/0x170
[ 2849.221598][   T10]      __sys_sendmsg+0xcd/0x170
[ 2849.221598][   T10]      do_syscall_64+0xc6/0x1e0
[ 2849.221598][   T10] 
[ 2849.223729][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2849.223729][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2849.223729][   T10]      ipv6_find_idev+0x102/0x170
[ 2849.223729][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2849.223729][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2849.223729][   T10]      netlink_rcv_skb+0x130/0x360
[ 2849.223729][   T10]      netlink_unicast+0x449/0x710
[ 2849.223729][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2849.223729][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2849.223729][   T10]      ___sys_sendmsg+0xee/0x170
[ 2849.223729][   T10]      __sys_sendmsg+0xcd/0x170
[ 2849.223729][   T10]      do_syscall_64+0xc6/0x1e0
[ 2849.223729][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2849.223729][   T10] 
[ 2849.225388][   T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at
[ 2849.225388][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2849.225388][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2849.225388][   T10]      ipv6_find_idev+0x102/0x170
[ 2849.225388][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2849.225388][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2849.225388][   T10]      netlink_rcv_skb+0x130/0x360
[ 2849.225388][   T10]      netlink_unicast+0x449/0x710
[ 2849.225388][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2849.225388][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2849.225388][   T10]      ___sys_sendmsg+0xee/0x170
[ 2849.225388][   T10]      __sys_sendmsg+0xcd/0x170
[ 2849.225388][   T10]      do_syscall_64+0xc6/0x1e0
[ 2849.225388][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2849.225388][   T10] 

HARD STOP (1779.573998)

WAIT TIMEOUT stderr

Ctrl-C stderr

Ctrl-C stderr